Annex 8 - BBU3910 Description

BBU3910 DescriptionBBU3910 Description Contents 1 Introduction....................................................................................................................................4 1.1 Functions........................................................................................................................................................................4 1.2 Appearance.....................................................................................................................................................................4 1.3 Boards.............................................................................................................................................................................5 1.3.1 UMPT..........................................................................................................................................................................5 1.3.2 GTMU.........................................................................................................................................................................8 1.3.3 UBBP.........................................................................................................................................................................10 1.3.4 UBRIb........................................................................................................................................................................12 1.3.5 UTRP.........................................................................................................................................................................12 1.3.6 USCU........................................................................................................................................................................14 1.3.7 UPEU.........................................................................................................................................................................16 1.3.8 UEIU..........................................................................................................................................................................16 1.3.9 FAN...........................................................................................................................................................................17 1.3.10 UCCU......................................................................................................................................................................18 1.4 Board Configuration.....................................................................................................................................................20 1.4.1 Board Configuration for a BBU3910 Working in Single-Mode...............................................................................20 1.4.2 Board Configuration for a BBU3910 Working in Separate-MPT Mode...................................................................21 1.4.3 Board Configuration for a BBU3910 Working in Co-MPT Mode............................................................................24 2 Technical Specifications............................................................................................................26 2.1 Baseband Specifications...............................................................................................................................................26 2.2 Capacity........................................................................................................................................................................34 2.3 Signaling Specifications...............................................................................................................................................37 2.3.1 LTE Signaling Specifications....................................................................................................................................37 2.3.2 Signaling Specifications of Co-MPT Multimode Base Station.................................................................................38 2.4 CPRI Specifications......................................................................................................................................................40 2.5 Transmission Ports........................................................................................................................................................42 2.6 Equipment Specifications.............................................................................................................................................43 2.7 LTE Traffic Model........................................................................................................................................................44 3 Acronyms and Abbreviations...................................................................................................47 Issue 11 (2016-03-30) Page 2 of 48 BBU3910 Description 1 Introduction 1.1 Functions The BBU3910 is a baseband control unit. Compared with the BBU3900, its backplane has a greater switching capability and the baseband boards installed in slots 0 to 5 all can process baseband signals. The BBU3910 has the following functions:  Manages the entire base station system in terms of operation, maintenance, and system clock.  Processes signaling messages.  Provides physical ports for information exchange between the base station and the transport network.  Provides an OM channel between the base station and the LMT, SMT, or U2000.  Processes uplink and downlink baseband signals.  Provides CPRI ports for communication with RF modules.  Provides ports for communication with environment monitoring devices. A base station can be configured with a maximum of two BBU3910s or one BBU3900 and one BBU3910 to provide higher processing capabilities. 1.2 Appearance The BBU3910, which has a case structure, is 19 inches wide and 2 U high. It can be installed in an indoor or outdoor protective cabinet. Figure 1-1 shows the appearance of the BBU3910. Issue 11 (2016-03-30) Page 3 of 48 BBU3910 Description Figure 1.1 Appearance of the BBU3910 1.3 Boards The BBU3910 can be configured with the following boards and units:  Main control and transmission board: universal main processing & transmission unit b (UMPTb), UMPTe, GSM transmission & timing & management unit b (GTMUb), and GTMUc  Baseband processing board: universal baseband processing unit d (UBBPd) , and UBBPe  Universal baseband radio interface unit b (UBRIb)  Universal transmission processing unit a (UTRPa) and UTRPc  Universal satellite card and clock unit b (USCUb)  Universal power and environment interface unit d (UPEUd)  Universal environment interface unit (UEIU)  Fan unit: FANd and FANe 1.3.1 UMPT The UMPT is a universal main control and transmission board, which can be applied to different networks. The UMPT falls into the following types:  UMPTb1: supporting multiple modes including GSM, UMTS, and LTE (FDD) in SRAN8.0 and supporting only the UMTS mode in RAN14.0. Supporting the GSM/UMTS/LTE FDD/LTE TDD quadruple modes when used together with the USCU in SRAN9.0.  UMPTb2: supporting multiple modes including GSM, UMTS, and LTE (FDD) in SRAN8.0 and supporting the GSM/UMTS/LTE FDD/LTE TDD quadruple modes in SRAN9.0.  UMPTe: supporting the GSM/UMTS/LTE FDD/LTE TDD quadruple modes in SRAN11.1. Panel Figure 1-2 shows the UMPTb1 panel. Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 4 of 48 Copyright © Huawei Technologies Co., Ltd. BBU3910 Description Figure 1. equipment.1 UMPTb1 panel Figure 1-3 shows the UMPTb2 panel.  Processes signaling messages. performance monitoring. transmission ports. radio resources. transmission information.  Interconnects two BBUs and exchanges control information. Ports Table 1-1 describes the ports on the UMTPb1/UMPTb2. and clock information between them.  Provides a reference clock.1 Ports on the UMTPb1/UMPTb2 Silkscreen Connector Quantity Description FE/GE0 RJ45 1 FE/GE electrical port FE/GE1 SFP 1 FE/GE optical port CI SFP female 1 Used for BBU Issue 11 (2016-03-30) Page 5 of 48 . Figure 1.2 UMPTb2 panel Figure 1-4 shows the UMPTe panel. Figure 1. and an OM channel to the LMT or U2000.3 UMPTe panel Functions The UMPT performs the following functions:  Controls and manages the entire base station in terms of configuration. and active/standby switchovers. Table 1.  The GPS port on the UMPTb2 is used for transferring radio frequency (RF) signals from the antenna to the satellite card.2 Ports on the UMPTe Silkscreen Connector Quantity Description FE/GE0. XGE3 SFP 2 XGE optical port CI SFP female 1 Connects to the UCIU USB USB 1 A USB flash drive can be inserted into the port for software upgrade and base station commissioning. 1 Reset button Table 1-2 describes the ports on the UMPTe. Ltd. . Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 6 of 48 Copyright © Huawei Technologies Co. RST . FE/GE2 RJ45 2 FE/GE electrical port XGE1. Table 1. BBU3910 Description Silkscreen Connector Quantity Description interconnection USB USB 1 A USB flash drive can be inserted into the port for software upgrade and base station commissioning.. CLK USB 1 Used for multiplexing the time of day (TOD) clock and test clock E1/T1 DB26 female 1 E1/T1 port supporting input and output of four E1s/T1s GPS SMA 1  The GPS port on the UMPTb1 is reserved. BBU3910 Description Silkscreen Connector Quantity Description CLK USB 1 Used for multiplexing the TOD clock and test clock GPS SMA 1 Used for transferring radio frequency (RF) signals from the antenna to the satellite card. Figure 1. Panel Figure 1-5 shows the GTMUb panel.2 GTMUc panel Functions The GTMU performs the following functions: Issue 11 (2016-03-30) Page 7 of 48 . The BBU3910 supports only the GTMUb and GTMUc. RST . Figure 1.1 GTMUb panel Figure 1-6 shows the GTMUc panel. 1 Reset button 1.3.2 GTMU The GTMU is the main control and transmission board for the GSM network.  Provides a reference clock. an alarm input port. equipment. CPRI ports. 1 Reset button Table 1-4 describes the ports on the GTMUc. Ltd.2 Ports on the GTMUc Silkscreen Connector Quantity Description CPRI0 to CPRI5 SFP female 6 Data transmission ports that interconnect with RF modules. These Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 8 of 48 Copyright © Huawei Technologies Co. or U2000. . BBU3910 Description  Controls and manages the entire base station in terms of configuration. These ports support input and output of electrical and optical signals. and an OM channel to the LMT. transmission ports. performance.  Processes signaling messages. and radio resources. EXT SFP female 1 Reserved port ETH RJ45 1 Local maintenance and commissioning port FE0 RJ45 1 FE electrical port FE1 DLC 1 FE optical port USB USB 1 Software loading port TST USB 1 Clock test port E1/T1 DB26 female 1 E1/T1 port supporting input and output of four E1s/T1s RST .1 Ports on the GTMUb Silkscreen Connector Quantity Description CPRI0 to CPRI5 SFP female 6 Data transmission ports that interconnect with RF modules. SMT. Table 1.. Ports Table 1-3 describes the ports on the GTMUb. security. Table 1. 0 SPC350 onwards. 1 Reset button 1. UL Issue 11 (2016-03-30) Page 9 of 48 . UBBPe2. The modes supported by the UBBPd boards from SRAN9. UBBPe3.  For details about the UBBPei board.3 UBBP There are six types of UBBPd: UBBPd1. see the DBS3900 LTE Product Description. and UBBPd4 boards support only the UMTS mode from RAN15. UMTS. and six types of UBBPe: UBBPe1.3. GUL The modes supported by the UBBPe boards from SRAN11. UL. LTE. UBBPei and UBBPem. LTE  UBBPe3/UBBPe4: UMTS. UMTS. see the RMU3900A Description. UBBPd3. GU. LTE.  For details about the UBBPem board. UBBPe4. GL  UBBPd6: GSM. UBBPd4. UMTS. UBBPd5 and UBBPd6. BBU3910 Description Silkscreen Connector Quantity Description ports support input and output of electrical and optical signals. UBBPd2. GU. UBBPd3. UBBPd2. ETH RJ45 1 Local maintenance and commissioning port FE0 RJ45 1 FE electrical port FE1 DLC 1 FE optical port USB USB 1 Software loading port TST USB 1 Clock test port E1/T1 DB26 female 1 E1/T1 port supporting input and output of four E1s/T1s RST . The UBBPd1. GU  UBBPd3/UBBPd4/UBBPd5: GSM.0 onwards are as follows:  UBBPd1/UBBPd2: GSM. GL.1 onwards are as follows:  UBBPe1/UBBPe2: UMTS. LTE. UBBPd2. BBU3910 Description Panel The UBBPd1. Ltd. and UBBPd6 have the same panel. UBBPe2. UBBPd4. Ports Table 1-5 describes the ports on the UBBPd or UBBPe. UBBPd5. as shown in Figure 1-7. HEI QSFP 1 Port that interconnects baseband processing boards for data communication between them Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 10 of 48 Copyright © Huawei Technologies Co. UBBPe3 and UBBPe4 have the same panel. . UBBPd3.  Supports deployment of multiple modes on one UBBP. Figure 1.1 UBBPd panel The UBBPe1.1 Ports on the UBBPd or UBBPe Silkscreen Connector Quantity Description CPRI0 to CPRI5 SFP female 6 They are the data transmission ports connecting the BBU to RF modules. Table 1. as shown in Figure 1-8.2 UBBPe panel Functions The UBBP performs the following functions:  Provides CPRI ports for communication with RF modules. Figure 1. and support the input and output of optical and electrical transmission signals.. For example. These ports support input and output of electrical and optical signals.8 Gbit/s. or GL RF modules using CPRI fiber optic cables. Figure 1.1 UBRIb panel Functions The UBRIb performs the following functions:  Provides extended CPRI electrical or optical ports. Table 1. The CPRI ports support the data rate of 9.5 UTRP There are two types of UTRP: UTRPc and UTRPa.3.  Provides CPRI convergence and distribution.0. 1. Panel Figure 1-9 shows the UBRIb panel.4 UBRIb The UBRIb is available as of SRAN8.3. LO.1 Ports on the UBRIb Silkscreen Connector Quantity Description CPRI0 to CPRI5 SFP 6 Data transmission ports that interconnect with RF modules. BBU3910 Description 1. in a co-MPT GL base station. Issue 11 (2016-03-30) Page 11 of 48 .  Connects to CPRI fiber optic cables of any mode combination in GU/GL/GUL co-MPT multimode scenarios when it is used together with the UBBP. Ports Table 1-6 describes the ports on the UBRIb. the UBRIb can connect to GO. − Provides two 100 Mbit/s/1000 Mbit/s Ethernet optical ports and performs Ethernet MAC layer functions. Figure 1. The UTRPa provides eight E1/T1 links. Ltd.0/RAN14. The UTRPc performs the following functions: − Provides transmission for the GSM. and LTE modes. − Provides four 10 Mbit/s/100 Mbit/s/1000 Mbit/s Ethernet electrical ports and performs the functions of the MAC layer and physical layer.. UMTS.0/SRAN7. performs HDLC deframing and framing.0.1 UTRPc panel Figure 1-11 shows the UTRPa panel. where ATM cell flows are inversely multiplexed and de-multiplexed. which include sending and receiving Ethernet link data and parsing MAC addresses. Ports Table 1-7 describes the ports on the UTRPc. − Supports co-transmission of the GSM.2 UTRPa panel Functions  The UTRPc is available as of GBSS14. Figure 1.0/eRAN3. Table 1. UMTS. and LTE networks and enables theses networks to share the same IPsec tunnel.1. and allocates and controls 256 HDLC timeslots. BBU3910 Description Panel Figure 1-10 shows the UTRPc panel.  The UTRPa is an extended transmission board for the UMTS network and is available as of RAN15.1 Ports on the UTRPc Silkscreen Connector Quantity Description FE/GE0 and SFP female 2 FE/GE optical ports FE/GE1 FE/GE2 to FE/GE5 RJ45 4 FE/GE electrical Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 12 of 48 Copyright © Huawei Technologies Co. . 1 USCUb11/USCUb14 panel Functions The USCU performs the following functions:  The USCUb11 provides ports to communicate with the RGPS (for example the reused equipment of the customer) and BITS equipment. Issue 11 (2016-03-30) Page 13 of 48 . Panel The panel of the USCUb11 is the same as that of the USCUb14.6 USCU There are two types of USCU: USCUb11 and USCUb14. Figure 1. Table 1.  The USCUb14 does not support RGPS signals. BBU3910 Description Silkscreen Connector Quantity Description ports Table 1-8 describes the ports on the UTRPa.3. Figure 1-12 shows the USCUb11/USCUb14 panel. It contains a UBLOX satellite card.2 Ports on the UTRPa Silkscreen Connector Quantity Description E1/T1 (0~3) DB26 female 1 E1/T1 port supporting input and output of four E1s/T1s numbered from 0 to 3 E1/T1 (4~7) DB26 female 1 E1/T1 port supporting input and output of four E1s/T1s numbered from 4 to 7 1. It does not support GPS signals. M-1PPS SMA 1 Receives 1PPS signals from the M1000.  The RGPS port on the USCUb4 is reserved. Table 1-9 describes the ports on the USCUb11/USCUb14. Ltd.. BITS SMA 1 Receives BITS clock signals. It cannot receive GPS signals. . It cannot receive RGPS signals. Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 14 of 48 Copyright © Huawei Technologies Co. TOD1 RJ45 1 Receives or transmits 1PPS+TOD signals. and receives TOD signals from the M1000.1 Ports on the USCUb11/USCUb14 Silkscreen Connector Quantity Description GPS SMA 1 The GPS ports on the USCUb14 receive GPS signals. The GPS port on the USCUb11 is reserved. GSM and UMTS do not support 1PPS+TOD clock signals. BBU3910 Description Ports The ports on the USCUb11 and USCUb14 are the same. TOD0 RJ45 1 Receives or transmits 1PPS+TOD signals. RGPS PCB welded wiring 1  The RGPS port on terminal the USCUb11 receives RGPS signals. Table 1.048 MHz and 10 MHz clock reference. supports adaptive input of 2. 1 Ports on the UPEU Silkscreen Connector Quantity Description -48V 3V3 1 Port for –48 V DC power input EXT-ALM0 RJ45 1 Port for Boolean inputs 0 to 3 EXT-ALM1 RJ45 1 Port for Boolean inputs 4 to 7 MON0 RJ45 1 Port for RS485 input 0 MON1 RJ45 1 Port for RS485 input 1 1. Issue 11 (2016-03-30) Page 15 of 48 .8 UEIU The UEIU transmits information reported by the environment monitoring device and alarm information to the main control board. Table 1.1 UPEUd panel Functions  Converts –48 V DC input power into +12 V DC and provides an output power of 650 W. Ports Table 1-10 describes the ports on the UPEUd. The BBU3910 supports only the UPEUd. The Boolean signals can only be dry contact or OC signals. Figure 1. Panel Figure 1-13 shows the UPEUd panel.  Provides two ports for transmitting RS485 signals and eight ports for transmitting Boolean signals. BBU3910 Description 1.3.7 UPEU The universal power and environment interface unit (UPEU) is a power module for the BBU.3. . .  Provides two ports. BBU3910 Description Panel Figure 1-14 shows the UEIU panel. Panel Figure 1-15 shows the FANd panel.  Transmits information reported by the environment monitoring device and alarm information to the main control board.1 Ports on the UEIU Silkscreen Connector Quantity Description EXT-ALM0 RJ45 1 Port for Boolean inputs 0 to 3 EXT-ALM1 RJ45 1 Port for Boolean inputs 4 to 7 MON0 RJ45 1 Port for RS485 input 0 MON1 RJ45 1 Port for RS485 input 1 1.9 FAN The FAN is a fan unit in the BBU3910. Ports Table 1-11 describes the ports on the UEIU. each transmitting four paths of Boolean signals. Table 1. Figure 1.1 UEIU panel Functions The UEIU performs the following functions:  Provides two ports. each transmitting one path of RS485 signals. Ltd. which can only be dry contact or OC signals. A BBU3910 can be configured with either a FANd or FANe. Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 16 of 48 Copyright © Huawei Technologies Co.3. 1 FANd panel Figure 1. BBU3910 Description Figure 1.10 UCCU The UCCU is a board used to interconnect the BBU with the USU. Issue 11 (2016-03-30) Page 17 of 48 . It reports the status of the fans and the fan module to the BBU and dissipates heat from the BBU.2 FANe panel Functions The FANd or FANe controls the rotation speed of the fans and monitors the temperature of the fan module. Panel Figure 1-17 shows the UCCU panel. allowing a remote distance connection between the BBU and USU in BBU interconnection scenarios.3. 1. 25 Gbit/s.1 Ports on the UCCU Silkscreen Connector Quantity Description M0 to M3 QSFP 4 Function as primary interconnection ports and connect to secondary interconnection ports. allowing a remote distance between the BBU and USU in BBU interconnection scenarios. Has four 10GE TX/RX channels.1376 Gbit/s and two SRIO TX/RX channels with a rate of 6. Each optical port has two CPRI TX/RX channels with a rate of 10.. Table 1.1376 Gbit/s and two SRIO TX/RX channels with a rate of 6. Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 18 of 48 Copyright © Huawei Technologies Co. BBU3910 Description Figure 1. M4/S1 QSFP 1 Functions as a primary interconnection port and connects to a secondary interconnection port. Has two CPRI TX/RX channels with a rate of 10.1 UCCU panel Functions The UCCU exchanges baseband data between BBUs. Ltd. Ports Table 1-12 lists the ports on the UCCU.25 Gbit/s. M5/S0 QSFP 1 Functions as a secondary interconnection port and connects to a primary interconnection port. . 4 Typical board configuration for a BBU3910 working in UMTS mode Issue 11 (2016-03-30) Page 19 of 48 .1 Board Configuration for a BBU3910 Working in Single-Mode Figure 1.2 Typical board configuration for a BBU3910 working in GSM (eGBTS) mode Figure 1.4 Board Configuration 1.4.3 Typical board configuration for a BBU3910 working in GSM (GBTS) mode Figure 1. BBU3910 Description 1. 2 Typical board configuration for a BBU3910 working in GU mode (GSM refers to the GBTS) Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 20 of 48 Copyright © Huawei Technologies Co.5 Typical board configuration for a BBU3910 working in LTE mode 1. BBU3910 Description Figure 1.. GU: refers to the BBU shared by GSM and UMTS. . Ltd.4. Figure 1.2 Board Configuration for a BBU3910 Working in Separate- MPT Mode Typical Configurations of a Single BBU The following figures show the typical board configurations for a single BBU.1 Typical board configuration for a BBU3910 working in GU mode (GSM refers to the eGBTS) Figure 1. Other mode combinations are similar. 5 Typical board configuration for a BBU3910 working in UL mode Typical Configurations of Two Interconnected BBUs The typical board configuration principles for two interconnected BBUs are as follows:  Two BBU3910s can be interconnected only through UMPT+UMPT. transmission data.  When a BBU3900 and a BBU3910 are interconnected. BBU3910 Description Figure 1.0 onwards.3 Typical board configuration for a BBU3910 working in GL mode (GSM refers to the eGBTS) Figure 1. Issue 11 (2016-03-30) Page 21 of 48 . The UMPTs in the two BBUs are connected using a control and clock signal link to exchange control data.  The BBU interconnection through UMPT+UMPT is supported from SRAN9.4 Typical board configuration for a BBU3910 working in GL mode (GSM refers to the GBTS) Figure 1.  A BBU3900 and a BBU3910 can be interconnected through the UCIU+UMPT or UMPT+UMPT mode. and clock signals. the root BBU must be the BBU3900. 1 Typical board configuration for a BBU3910 working in G&U+L mode (GSM refers to the eGBTS) Figure 1.2 Typical board configuration for a BBU3910 working in G&U+L mode (GSM refers to the GBTS) Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 22 of 48 Copyright © Huawei Technologies Co. BBU3910 Description Figure 1. . Ltd.. 3 Board Configuration for a BBU3910 Working in Co-MPT Mode In a co-MPT multimode base station. BBU3910 Description Figure 1. U*L mode. G*L mode.4 Typical board configuration for a BBU3910 working in G&L+U mode (GSM refers to the GBTS) 1. Issue 11 (2016-03-30) Page 23 of 48 . and G*U*L mode.3 Typical board configuration for a BBU3910 working in G&L+U mode (GSM refers to the eGBTS) Figure 1. different modes share a main control board. The following figures show the typical board configurations for a BBU3910 in G*U mode.4. . UMPT-UL.5 Typical board configuration for a BBU3910 working in G*U mode Figure 1. and G*U*L. This rule also applies to G*L.. Figure 1.8 Typical board configuration for a BBU3910 working in G*U*L mode Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 24 of 48 Copyright © Huawei Technologies Co.  UMPT-GU indicates that a UMPT supports both GSM and UMTS. and UMPT-GUL. This rule also applies to UMPT- GL. U*L. Ltd. BBU3910 Description  G*U indicates that GSM and UMTS share a UMPT.6 Typical board configuration for a BBU3910 working in G*L mode Figure 1.7 Typical board configuration for a BBU3910 working in U*L mode Figure 1. 1 UMTS baseband specifications (per UBBP board) Board Number Number Number Number Number Number of Cells of UL of DL of of of CEs CEs HSDPA HSDPA HSUPA Codes UEs UEs UBBPd1 6 384 512 6x15 288 288 UBBPd2 6 512 768 6x15 384 384 UBBPd3 6 384 512 6x15 288 288 UBBPd4 6 512 768 6x15 384 384 Issue 11 (2016-03-30) Page 25 of 48 .1 GSM baseband specifications Board GSM TRX UBBPd1 24 UBBPd2 24 UBBPd3 24 UBBPd4 24 UBBPd5 36 UBBPd6 48 UMTS Baseband Specifications Table 1. BBU3910 Description 2 Technical Specifications 2.1 Baseband Specifications GSM Baseband Specifications Table 1. 0 (V100R009C00SPC210) onwards. the total number of cells should be less than or equal to the maximum supported number of 2R cells. a total of six cells are supported in hybrid configurations. In these configurations. Ltd. a maximum of three cells are supported. the UBBPd4 supports hybrid configurations of 1R and 4R cells or 2R and 4R cells. the UBBPd6 supports hybrid configurations of 1R and 4R cells or 2R and 4R cells.1 onwards.1 Number of LTE cells (per UBBP board) Board Number of Cells UBBPd3 3x20 MHz 2T2R UBBPd4 3x20 MHz 4T4R UBBPd5  6x20 MHz 2T2R  3x20 MHz 4T4R UBBPd6 6x20 MHz 4T4R UBBPe1 3x20 MHz 2T2R UBBPe2 3x20 MHz 4T4R UBBPe3 6x20 MHz 2T2R UBBPe4 6x20 MHz 4T4R  Any hybrid configurations of 1R and 2R cells are supported. a maximum of three cells are supported.  From SRAN9.  From SRAN11. . the UBBPd5 supports hybrid configurations of 1R and 4R cells or 2R and 4R cells. BBU3910 Description Board Number Number Number Number Number Number of Cells of UL of DL of of of CEs CEs HSDPA HSDPA HSUPA Codes UEs UEs UBBPd5 6 768 768 6x15 512 512 UBBPd6 12 1024 1024 12x15 768 768 UBBPe1 6 384 512 6x15 288 288 UBBPe2 6 512 768 6x15 384 384 UBBPe3 12 768 768 12x15 512 512 UBBPe4 12 1024 1024 12x15 768 768 LTE Baseband Specifications Table 1.1 onwards. a maximum of three 2R cells and a maximum of three 4R cells are supported. In these configurations. From SRAN11. In these configurations. In these configurations.  From SRAN9.. Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 26 of 48 Copyright © Huawei Technologies Co.0 (V100R009C00SPC210) onwards. BBU3910 Description Table 1. Table 1.4 Number of LTE UEs (per UBBP board) Board Cell Maximum Maximum Number of Uplink Bandwidt Number Synchronized UEs h (MHz) of UEs in RRC Board Datacard Smartphone Connecte Specificat Traffic Traffic Model d Mode ions Model UBBPd3/ 1.  The maximum numbers of UEs in RRC connected mode in different traffic models are the same as the board specifications.4 168  LBBPd: 100  UBBPd: 168 3 360 360 5 600 600 10/15/20 1200 1200 Table 1.2 Number of LTE UEs (per cell) Cell Maximum Number of Maximum Number of Bandwidth（MHz） UEs in RRC Connected Uplink Synchronized Mode per Cell UEs per Cell 1.7 LTE Traffic Model. see 2.4 504 504 504 504 UBBPd4 3 1080 1080 1080 1080 Issue 11 (2016-03-30) Page 27 of 48 .3 Number of LTE UEs (per MPT board) Board Maximum Maximum Number of Uplink Synchronized UEs Number of UEs in RRC Board Datacard Smartphone Connected Specification Traffic Model Traffic Model Mode s UMPTb1/UMPT 10800 10800 2000 2000 b2 UMPTe1/UMPT 14400 14400 9000 9000 e2  For details about the data card traffic model and smartphone traffic model. 0:  eRAN7. MU-MIMO.1 and  eRAN8. SIMO.4 1008 1008 1008 1008 UBBPd6 3 2160 2160  eRAN7.4 1008 1008 1008 1008 UBBPe4 3 2160 2160 2160 2160 5/10/15/20 3600 3600 2400 2400 Table 1. MU-MIMO.1 later versions: and later 2160 versions: 2160 5/10/15/20 3600 3600  eRAN7. BBU3910 Description 5 1800 1800  eRAN7.1 later versions: and later 2200 versions: 2200 UBBPe1/ 1.0: 1400 1400  eRAN8.7 6.1 and  eRAN8.1 and  eRAN8. 64QAM) 16QAM) 16QAM) 16QAM) (Mbit/s) (Mbit/s) (Mbit/s) (Mbit/s) 1.0:  eRAN7.2 6.4 Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 28 of 48 Copyright © Huawei Technologies Co.4 3. .5 LTE throughput (per cell) Cell Maximum DL Maximum UL Maximum UL Maximum UL Bandwidth Throughput Throughput Throughput Throughput (MHz) per Cell (2x2 per Cell (2x2 per Cell (1x4 per Cell (2x4 MIMO.4 8.4 504 504 504 504 UBBPe2 3 1080 1080 1080 1080 5 1800 1800 1500 1500 10/15/20 3600 3600 1500 1500 UBBPe3/ 1.1 later versions: and later 1500 versions: 1500 10/15/20 3600 3600  eRAN7. Ltd.0: 1800 1800  eRAN8.0: 1800 1800  eRAN8.0: 1400 1400  eRAN8.0:  eRAN7.0:  eRAN7.1 and  eRAN8..1 later versions: and later 1500 versions: 1500 UBBPd5/ 1. 1: DL: 900.6 LTE throughput (per UE) Cell Maximum DL Throughput per Maximum UL Throughput per Bandwidth UE (2x2 MIMO.2 3 22 8 5 36 13 10 73 27 15 110 40 20 150 51 Table 1.7 3. BBU3910 Description Cell Maximum DL Maximum UL Maximum UL Maximum UL Bandwidth Throughput Throughput Throughput Throughput (MHz) per Cell (2x2 per Cell (2x2 per Cell (1x4 per Cell (2x4 MIMO.0: DL: 1200. (MHz) (Mbit/s) 16QAM) (Mbit/s) 1. UL: 225 UBBPd5 DL: 600. 64QAM) 16QAM) 16QAM) 16QAM) (Mbit/s) (Mbit/s) (Mbit/s) (Mbit/s) 3 22 16 8 16 5 36 27 13 27 10 73 55 27 55 15 110 81 40 81 20 150 110 55 110 Table 1. UL: 600 UBBPe1 DL: 450. MU-MIMO.4 8. UL: 225 UBBPd4 DL: 600. UL: 450  eRAN11. SIMO. MU-MIMO. 64QAM) UE (1x2 SIMO/1x4 SIMO. UL: 225 UBBPe2 DL: 600.7 LTE throughput (per UBBP board) Board Maximum Throughput (Mbit/s) UBBPd3 DL: 450. UL: 300 UBBPd6  eRAN8. UL: 300 Issue 11 (2016-03-30) Page 29 of 48 . UL. Ltd.4 MHz DL: 225 UBBPd4 2T2R bandwidth: 504 bandwidth: 504 UL: 112. . Table 1. in GL. the UBBP board supports hybrid configurations of 1R and 4R cells or hybrid configurations of 2R and 4R cells in LTE mode.1 onwards.5  3 MHz  3/5/10 MHz: bandwidth: 600 1080  5 MHz bandwidth: Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 30 of 48 Copyright © Huawei Technologies Co..1 GU co-BBP baseband specifications Board GSM UMTS TRX Numbe Numbe Numbe Numbe Numbe Numbe r of r of UL r of DL r of r of r of Cells CEs CEs HSDP HSDP HSUPA A A UEs UEs Codes UBBPd1 12 6 192 256 6x15 144 144 UBBPd2 12 6 256 384 6x15 192 192 UBBPd3 12 6 192 256 6x15 144 144 UBBPd4 12 6 256 384 6x15 192 192 UBBPd5 18 6 384 512 6x15 288 288 UBBPd6 24 6 512 768 6x15 384 384 From SRAN11.4 MHz  1.2 GL co-BBP baseband specifications Board GS LTE M TRX Number Maximum Maximum Maximum of Cells Number of UEs number of UL Throughp in RRC synchronized ut (Mbit/s) Connected UEs Mode (smartphone traffic model) UBBPd3/ 12 3x10 MHz  1. UL: 300 UBBPe4 DL: 1200. and GUL co-BBP scenarios. BBU3910 Description Board Maximum Throughput (Mbit/s) UBBPe3 DL: 600. UL: 600 Co-BBP Baseband Specifications Table 1. 4 MHz  1.3 UL co-BBP baseband specifications Board UMTS LTE Nu Nu Nu Nu Nu Nu Num Maxim Maxim Maxi mb mb mb mbe mb mb ber um um mum er er er r of er er of Numbe numbe Throu of of of HS of of Cells r of UEs r of UL ghput Cel UL DL DP HS HS in RRC synchr (Mbit ls CEs CEs A DP UP Connec onized /s) Cod A A ted UEs es UE UE Mode (smart s s phone traffic model) UBBP 6 512 768 6x15 384 384 3x20  1.4 DL: d6 MHz MHz MHz 600 4T4R bandw bandw UL: idth: idth: 225 504 504  3 MHz  3/5/10 bandw /15/20 idth: MHz 1080 bandw  5 MHz idth: bandw 800 idth: 1800  10/15/ 20 MHz bandw idth: Issue 11 (2016-03-30) Page 31 of 48 .4  1. BBU3910 Description 1800  10 MHz bandwidth: 3600 UBBPd5 18 3x20 MHz  1.4 MHz DL: 600 4T4R bandwidth: 504 bandwidth: 504 UL: 225 UBBPd6 24  3 MHz  3/5/10/15/20 bandwidth: MHz 1080 bandwidth: 800  5 MHz bandwidth: 1800  10/15/20 MHz bandwidth: 3600 Table 1. BBU3910 Description 3600 UBBP 6 384 512 6x15 288 288 3x20  1.4 DL: e3 MHz MHz MHz 450 2T2R bandw bandw UL: idth: idth: 225 504 504 UBBP 6 512 768 6x15 384 384 3x20  3 MHz  3/5/10 DL: e4 MHz bandw /15/20 600 4T4R idth: MHz UL: 1080 bandw 225  5 MHz idth: bandw 1000 idth: 1800  10/15/ 20 MHz bandw idth: 3600 Table 1. .4 MHz bandwidth: 504 Connected Mode  3 MHz bandwidth: 1080  5 MHz bandwidth: 1800  10/15/20 MHz bandwidth: 3600 Maximum number of UL  1.4  1.4 GUL co-BBP baseband specifications Board UBBPd6 GSM TRX 12 UMTS Number of Cells 6 Number of UL CEs 256 Number of DL CEs 384 Number of HSDPA Codes 6x15 Number of HSDPA UEs 192 Number of HSUPA UEs 192 LTE Number of Cells 3x20 MHz 4T4R Maximum Number of UEs in RRC  1.4 MHz bandwidth: 504 synchronized UEs (smartphone  3/5/10/15/20 MHz bandwidth: 800 traffic model) Maximum Throughput (Mbit/s) DL: 600. UL: 225 Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 32 of 48 Copyright © Huawei Technologies Co.. Ltd.  TDM transmission: 48 TRXs  IP over FE transmission: 60 TRXs  IP over E1 transmission: 48 TRXs In GBSS16. and GBSS18.1: 1 GTMUb/GTMUc+1 A single site supports a maximum of 32 cells UBRIb (optional) and each cell supports a maximum of 24 TRXs. downlink: 6144 CEs) Issue 11 (2016-03-30) Page 33 of 48 . and RAN18. and GBSS18.1: and each cell supports a maximum of 24 TRXs.0. RAN17.0.2 Capacity Table 1.1: 1 UMPT+6 UBBPd6 48 cells (uplink: 6144 CEs.1. Table 1.1. BBU3910 Description 2.6 Capacity of a BBU working in UMTS mode Mode Specifications Board Configuration UMTS In RAN16. GBSS17.0. 1 GTMUc+1 UBRIb  IP over FE transmission: 72 TRXs  IP over E1 transmission: 48 TRXs In GBSS17. GBSS17. (optional) A single cell supports a maximum of 24 TRXs.1: eGBTS: A single site supports a maximum of 12 cells 1 GTMUb+1 UBRIb and each cell supports a maximum of 24 TRXs.1 and GBSS18.5 Capacity of a BBU working in GSM mode Mode Specifications Board Configuration GSM In GBSS16.1: 1 UMPTb+2 UBRIb A single site supports a maximum of 12 cells In GBSS 18.1. 1 and later versions: .Datacard traffic model: 10800 connected mode per eNodeB . eRAN7. eRAN8.7 Capacity of a BBU working in LTE mode Mode Item Specifications LTE Maximum number of  When configured with a UMPTb: cells per BBU . eRAN8.1: The sum of uplink and downlink data rates at the MAC layer is 10 Gbit/s.  When configured with a UMPTe: . 20 MHz) .1 and later versions: Two UMPT boards: The sum of uplink and downlink data rates at the MAC layer is 3000 Mbit/s.Smart phone traffic model: 9000 (configured with one UMPTe board) 18000 (configured with two UMPTe boards) Maximum number of  When configured with a UMPTb: 32400 data radio bearers  When configured with a UMPTe: (DRBs) for a single eNodeB eRAN11.1 and later versions: 72 cells (2T2R/2T4R/4T4R. Maximum number of  When configured with a UMPTb: UEs in RRC . eRAN7. .. .1 and later versions: 43200 (configured with one UMPTe board) Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 34 of 48 Copyright © Huawei Technologies Co. eRAN11.1 and later versions: 8000  When configured with a UMPTe: eRAN11. 20 MHz) Maximum throughput  When configured with a UMPTb: of a single eNodeB .1 and eRAN11.0. Ltd.1 and later versions: 36 cells (2T2R/2T4R/4T4R.Datacard traffic model: 14400 (configured with one UMPTe board) 28800 (configured with two UMPTe boards) .0: 36 cells (2T2R/2T4R.1 and later versions: One UMPT board: The sum of uplink and downlink data rates at the MAC layer is 1500 Mbit/s. 20 MHz)  When configured with a UMPTe: .1. 20 MHz) 18 cells (4T4R.1. BBU3910 Description Table 1. eRAN11. eRAN11.Smart phone traffic model: eRAN7. eRAN11.1 and eRAN11.0: 2600 eRAN8. eRAN8. if GSM is configured with 24 carriers (G8/8/8). and 1 UMPTb+5 UBBPd6 SRAN11. SRAN10. each carrier can be configured three SDCCHs.  The maximum number of UEs in RRC Connected mode varies depending on the traffic model. In Table 2-17.1: GSM G8/8/8+UMTS 3x12 (Uplink: 5120 CEs.1. BBU3910 Description  Cell specifications and DRB specifications do not vary depending on the traffic model. Downlink: 5120 CEs) Table 1. and  1 GTMUb+1 UMPT+5 SRAN11. and 1 UMPTb+6 UBBPd6 SRAN11.  1 GTMUc+1 UMPT+5 20 MHz.0. 10800 UEs in RRC connected mode with 10/15/20 MHz bandwidth) Issue 11 (2016-03-30) Page 35 of 48 . Table 2-18.0.9 Capacity of a BBU working in GL mode Mode Specifications Board Configuration GL In SRAN9. The sum of uplink and downlink data rates at the MAC layer is 1500 Mbit/s. (2)  : When the GTMUb serves as the main control board of eGBTS.1: GSM G24/24/24(1)+LTE 36 cells (2T2R. SRAN10.1. each carrier can be configured with one Standalone Dedicated Control Channel (SDCCH) only. Table 1.1.1. SRAN10. and Table 2-19: (1)  : If GSM is configured with 72 carriers (G24/24/24). The sum of uplink and UBBPd6 downlink data rates at the MAC layer is 1500 Mbit/s.0.1: GSM G24/24/24(2) + UMTS UBBPd6 3x16 (Uplink: 5120 CEs. This section provides the maximum number of UEs in RRC Connected mode in Huawei-defined datacard and smartphone traffic models. Downlink:  1 GTMUc+1 UMPT+5 5120 CEs) UBBPd6 In SRAN9.) In SRAN9.8 Capacity of a BBU working in GU mode Mode Specifications Board Configuration GU In SRAN9. SRAN10. on the prerequisite that network performance is ensured.1: UBBPd6 GSM G24/24/24(2)+LTE 30 cells (2T2R. the GSM capacity specification is S8/8/8. and  1 GTMUb+1 UMPT+5 SRAN11.0. 1. 9600 UEs in RRC connected mode with 10/15/20 MHz bandwidth) Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 36 of 48 Copyright © Huawei Technologies Co.1: UBBPd6_U+2 UBBPd5_L GSM G24/24/24(2)+UMTS 36 cells+LTE  1 GTMUc+1 UMPTb_UL+3 12 cells (2T2R. SRAN10. Ltd.1: GSM G24/24/24(2)+UMTS 36 cells+LTE 24 cells (2T2R. 7200 UEs in RRC UBBPd6_U+2 UBBPd5_L connected mode with 10/15/20 MHz bandwidth) In SRAN11. The sum of uplink and downlink data rates at the MAC layer is 10Gbit/s. and 1 UMPTb+3 UBBPd5_U+3 SRAN11. 19200 UEs in RRC connected mode with 10/15/20 MHz bandwidth) In SRAN11.1: UBBPd5_L GSM G24/24/24(1)+UMTS 18 cells+LTE 18 cells (2T2R. 10800 UEs in RRC connected mode with 10/15/20 MHz bandwidth) In SRAN9.0.10 Capacity of a BBU working in GUL mode Mode Specifications Board Configuration GUL In SRAN9.0. BBU3910 Description Mode Specifications Board Configuration In SRAN11.1: GSM G24/24/24(1)+LTE 72 cells (2T2R. SRAN10. and  1 GTMUb+1 UMPTb_UL+3 SRAN11.1: GSM G24/24/24(2)+LTE 60 cells (2T2R. . 21600 UEs in RRC connected mode with 10/15/20 MHz bandwidth) Table 1. The sum of uplink and downlink data rates at the MAC layer is 10 Gbit/s. 20 MHz.1..) In SRAN11.1: GSM G24/24/24(1)+UMTS 24 cells+LTE 48 cells (2T2R. the signaling specifications of an eNodeB cannot exceed 480.1 and later versions: 432000 In eRAN7.12 Signaling specifications and maximum number of UEs in RRC connected mode supported by an eNodeB (smartphone traffic model) Board Combination Signaling Specifications Number of UEs in RRC (BHCA) Connected Mode 1 UMPTb+1 UBBPd6  eRAN7.1 and later versions: 360000 UMPTe eRAN11. As a result. Table 1.1. BHCA indicates the signaling processing capabilities of a system. DRB setup and release. and transition from the uplink-synchronized state to the uplink-asynchronized state.1 LTE Signaling Specifications Busy hour call attempts (BHCA) is the number of calls attempted at a busy hour. The BHCA specifications provided by Huawei are based on the smartphone traffic model. A busy hour call initiated on different operators' networks involves different types and numbers of signaling procedures and therefore consumes different amount of eNodeB resources.0: 324000  eRAN7.0: 252000  eRAN8.1 and later versions: 1620000 UBBPd3/UBBPd4  eRAN7.0: 324000  eRAN8.1 and later versions: 396000 UBBPe1/UBBPe2 eRAN11. BBU3910 Description 2. the signaling specifications of an eNodeB cannot exceed 3.1.3. call release (including CSFB if it occurs).0: 1800  eRAN8.11 Signaling specifications of LTE boards Board Signaling Specifications (BHCA) UMPTb1/UMPTb2  eRAN7.1 and later versions: 324000 UBBPe3/UBBPe4 eRAN11. The following table lists the signaling specifications of the UMPT and UBBP in the smartphone traffic model.1 and later versions: Issue 11 (2016-03-30) Page 37 of 48 . tracking area update (TAU). The following table lists the signaling specifications and the maximum number of UEs in RRC connected mode supported by an eNodeB when the smartphone traffic model is used.240. In eRAN11.000 BHCA.000 BHCA. Table 1.000 BHCA. Signaling procedures required for completing a call may include the following: call setup.3 Signaling Specifications 2. handover. the signaling specifications of an eNodeB cannot exceed 1.1 and later versions: 270000 UBBPd5/UBBPd6  eRAN7. the BHCA capability varies depending on the traffic model.0: 270000  eRAN8. In eRAN8.440.1 and later versions:  eRAN8.0. and one CNBAP indicates one radio link (RL) establishment procedure.13 Signaling specifications of the co-MPT GU dual-mode base station Product Typical Signaling Recommended Board Version Specifications Configuration SRAN9. UL..3.  If GSM is configured with 72 carriers (S24/24/24). each carrier can be configured with one Standalone Dedicated Control Channel (SDCCH) only.1/SR 48 TRX+414000 BHCA 1 UMPTb1+2 UBBPd3 AN11. BBU3910 Description Board Combination Signaling Specifications Number of UEs in RRC (BHCA) Connected Mode 396000 2200 1 UMPTb+2 UBBPd5 eRAN8.1 and later versions: 1440000 8000 2.1 and later versions: eRAN8. and Table 2-25.0/SRAN1 24 TRX +1000 CNBAPS 1 UMPTb1+5 UBBPd1 0.1 48 TRX+270000 BHCA 1 UMPTb1+2 UBBPd3+1 UBRIb SRAN11. if GSM is configured with 24 carriers (S8/8/8).1: 1 UMPTe+5 UBBPd1 48 TRX+500 CNBAPS 1 UMPTb1+2 UBBPd1+1 UBRIb SRAN11.1/SRAN11. Table 2-23. Table 2-24.1: 1 UMPTe+2 UBBPd1+1 UBRIb Table 1. Ltd.14 Signaling specifications of the co-MPT GL dual-mode base station Product Typical Signaling Recommended Board Version Specifications Configuration SRAN9.  Common NodeB Application Protocol (CNBAP) indicates the signaling traffic of a NodeB over the Iub interface. GL. Table 1. each carrier can be configured three SDCCHs. and GUL multimode base stations are listed in Table 2-22.0 48 TRX+90000 BHCA 1 UMPTb1+1 UBBPd3+1 UBRIb 48 TRX+180000 BHCA 1 UMPTb1+2 UBBPd3 SRAN10. .1 and later versions: eRAN8.1 and later versions: 792000 4400 1 UMPTb+4 UBBPd5 eRAN8.2 Signaling Specifications of Co-MPT Multimode Base Station The signaling specifications of co-MPT GU.1 SRAN11.1 24 TRX+1350000 BHCA Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 38 of 48 Copyright © Huawei Technologies Co. The NBAP is defined in 3GPP specifications. 0 350 CNBAPS+90000 BHCA 1 UMPTb1+1 UBBPd2_U+1 UBBPd3_L 350 CNBAPS+180000 BHCA 1 UMPTb1+1 UBBPd2_U+2 UBBPd3_L SRAN10.1/SR 350 CNBAPS+270000 BHCA 1 UMPTb1+1 UBBPd2_U+1 AN11.1 UBBPd3_L 24 TRX+800 CNBAPS+234000 BHCA 1 UMPTb1+4 UBBPd1_U+1 UBBPd3_L SRAN11.1 24 TRX+600 CNBAPS+900000 BHCA 2.1 600 CNBAPS+1206000 BHCA Table 1.1/SR 18 TRX+500 CNBAPS+270000 BHCA 1 UMPTb1+2 UBBPd2_U+1 AN11.0 18 TRX+500 CNBAPS+90000 BHCA 1 UMPTb1+2 UBBPd2_U+1 UBBPd3_L 24 TRX+800 CNBAPS+90000 BHCA 1 UMPTb1+4 UBBPd1_U+1 UBBPd3_L SRAN10.1 Maximum distance between the BBU and RRUs (single-mode) Mode Maximum Distance Between the BBU and RRUs GSM 40 km Issue 11 (2016-03-30) Page 39 of 48 .15 Signaling specifications of the co-MPT UL dual-mode base station Product Typical Signaling Recommended Board Version Specifications Configuration SRAN9. BBU3910 Description Table 1.1 UBBPd3_L 350 CNBAPS+504000 BHCA 1 UMPTb1+1 UBBPd2_U+2 UBBPd3_L SRAN11.16 Signaling specifications of the co-MPT GUL triple-mode base station Product Typical Signaling Specifications Recommended Board Version Configuration SRAN9.4 CPRI Specifications Maximum Distance Between the BBU and RRUs Table 1. chain.8 Star.0 and eRAN8.9/6.8 Star.25/2. and ring topologies Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 40 of 48 Copyright © Huawei Technologies Co.0:  UBBPd3: 20 km GUL  UBBPd4: 40 km  UBBPd5 or UBBPd6: − 40 km (cell quantity ≤ 3) − 20 km (cell quantity ≤ 3) In eRAN11.0:  UBBPd3: 20 km  UBBPd4: 40 km  UBBPd5 or UBBPd6: − 40 km (cell quantity ≤ 3) − 20 km (cell quantity ≤ 3) In eRAN11.9/6. Ltd. chain.1 CPRI port specifications Board Number of CPRI Port Rate Topo Type CPRI ports (Gbit/s) GTMUb/GTMUc 6 1.144/9.1 and later versions:  UBBPd3/UBBPd4/UBBPd5/UBBPd6: 40 km Table 1.2 Maximum distance between the BBU and RRUs (multimode) Mode Maximum Distance Between the BBU and RRUs GU 40 km GL The maximum distances from different LTE baseband boards are as follows: UL In eRAN7.5/4. and ring topologies UBRIb 6 1.25/2.1 and later versions: − UBBPd3/UBBPd4/UBBPd5/UBBPd6: 40 km CPRI Ports Table 1. BBU3910 Description Mode Maximum Distance Between the BBU and RRUs UMTS 40 km LTE The maximum distances from different LTE baseband boards are as follows: In eRAN7.144/9. . and ring topologies UBBPd/UBBPe 6 1. chain.25/2..0 and eRAN8.5/4.5 Star. 144  2 (cell bandwidth ≤ 10  4 (cell bandwidth ≤ 10 MHz) MHz)  2 (cell bandwidth = 15 MHz  1 (cell bandwidth = 15 or 20 MHz) MHz or 20 MHz) 9.25 4 2.25 4x4 MIMO cells are not  4 (cell bandwidth ≤ 3 MHz) recommended because the  2 (cell bandwidth ≤ 5 MHz) transmission bandwidth of the CPRI ports is limited.8 32 *: indicates that the number of supported cells is reduced by half if the 2T2R cell supports VAM and the two TX antennas are configured on two RF modules in two CPRI links for VAM.144 24 9.8  4 (cell bandwidth ≤ 10  8 (cell bandwidth ≤ 10 MHz) MHz)  4 (cell bandwidth = 15 MHz  2 (cell bandwidth = 15 or 20 MHz) MHz or 20 MHz) Issue 11 (2016-03-30) Page 41 of 48 .  1 if the cell bandwidth is less than or equal to 10 MHz 2.5 8 4.9  2 (cell bandwidth ≤ 10  4 (cell bandwidth ≤ 10 MHz) MHz)  2 (cell bandwidth = 15 MHz  1 (cell bandwidth = 15 or 20 MHz) MHz or 20 MHz) 6.9 16 6.1 Mapping between the CPRI port rate and the number of cells in a UMTS scenario CPRI Port Rate (Gbit/s) Number of 1T2R/2T2R* Cells 1.2 Mapping between the CPRI port rate and the number of cells in an LTE scenario CPRI Port Rate (Gbit/s) Number of 2T4R/4T4R Number of 1T2R/2T2R Cells Cells 1.5 1 if the cell bandwidth is  4 (cell bandwidth ≤ 5 MHz) less than or equal to 10  2 (cell bandwidth ≤ 10 MHz) MHz  1 (cell bandwidth = 15 MHz or 20 MHz) 4. Table 1. BBU3910 Description CPRI bandwidth access capability Table 1. Ltd. and 1 FE/GE optical port UMPTe 2 FE/GE electrical ports and 2 XGE optical ports UTRPc 4 FE/GE electrical ports and 2 FE/GE optical ports This section describes only the transmission ports on a BBU working in single mode.5 Transmission Ports Table 1. 1 FE/GE electrical port. 1 FE/GE electrical port.5 Dimensions and weight Item Specifications Dimensions (height x width x length) 86 mm × 442mm × 310 mm Weight In SRAN8. and 1 FE/GE optical port UMPTe 2 FE/GE electrical ports and 2 XGE optical ports UTRPc 4 FE/GE electrical ports and 2 FE/GE optical ports UTRPa 2 E1/T1 ports (transmitting 8 E1s/T1s) LTE UMPTb 1 E1/T1 port (transmitting 4 E1s/T1s). ..4 V DC to –57 V DC Table 1.0 and SRAN9. 2.0:  In full configuration: ≤ 12 kg Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 42 of 48 Copyright © Huawei Technologies Co.3 Transmission ports Mode Specifications GSM UMPTb 1 E1/T1 port (transmitting 4 E1s/T1s).6 Equipment Specifications Table 1. and 1 FE/GE optical port UMPTe 2 FE/GE electrical ports and 2 XGE optical ports UTRPc 4 FE/GE electrical ports and 2 FE/GE optical ports UMTS UMPTb 1 E1/T1 port (transmitting 4 E1s/T1s). 1 FE/GE electrical port. The number of transmission ports on a BBU working in multi-mode equals the sum of the transmission ports on the boards in each mode.4 Input power Item Specification Input power UPEUd: –48 V DC Voltage range: –38. BBU3910 Description 2. LTE dongle and customer premises equipment (CPE) are examples of such data cards. low mobility. BBU3910 Description Item Specifications  In typical configuration: ≤ 7 kg In SRAN10.7 LTE Traffic Model On live networks. UEs in this traffic model are characterized by long online duration.6 Heat dissipation capabilities of a BBU Configuration Specifications FANd  In SRAN8.0 and SRAN9.  The smartphone traffic model derives from a typical LTE network where smartphones make up a large proportion of all admitted terminals.1 and later versions: 1000 W FANe  In SRAN8.7 Environment specifications Item Specifications Operating temperature  –20ºC to +55ºC (long-term)  +55ºC to +60ºC (short-term) Relative humidity 5% RH to 95% RH Protection class IP20 Atmospheric pressure 70 kPa to 106 kPa Noise power level ETS 300 753 3.1 and later versions:  In full configuration: ≤ 15 kg  In typical configuration: ≤ 7 kg Table 1. and many large-packet data services.  The datacard traffic model derives from a typical LTE network where data cards make up a large proportion of all admitted terminals.2 bels Storage time The product must be installed and put into use within a year after being delivered. This section describes two traffic models: datacard traffic model and smartphone traffic model.1 ≤ 7. UEs in this traffic model are Issue 11 (2016-03-30) Page 43 of 48 . or it may malfunction. the service capacity of an eNodeB FDD depends on system processing capacities as well as the traffic model used.1 and later versions: 1000 W Table 1.0 and SRAN9.0: 650 W  In SRAN10.0: 650 W In SRAN10. 2. and many small-packet data services. Ltd. Table 1. . BBU3910 Description characterized by short online duration. The following table describes the control plane (CP) traffic models for the datacard and smartphone traffic models..8 CP traffic models for the datacard and smartphone traffic models Control plane process Specifications for Specifications for the the Smartphone Datacard Traffic Traffic Model Model PS Call Attempt Number per User 180 20 @BH(1) (times) Dedicated Bearer Attempt Number per 5 1 User @BH (times) TAU & Aattach & Detach per User 30 5 @BH (times) Intra-eNodeB Handover Number per 10 1 User @BH (times) Inter-eNodeB X2 Based Handover Out 40 2 Attempt Number per User @BH (times) Inter-eNodeB X2 Based Handover In 40 2 Attempt Number per User @BH (times) Inter-eNodeB S1 Based Handover Out 0 0 Attempt Number per User @BH (times) Inter-eNodeB S1 Based Handover In 0 0 Attempt Number per User @BH (times) Inter-RAT Handover Attempt Number 3 0 per User @BH (times) Inter-RAT Redirection Attempt 12 0 Number per User @BH (times) CSFB Based Inter-RAT Handover 0 0 Attempt Number per User @BH (times) CSFB Based Inter-RAT Redirection 5 0 Attempt Number per User @BH (times) CA Scell Configuration Update 10 0 Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 44 of 48 Copyright © Huawei Technologies Co. high mobility. frequent network access and release. @BH refers to at busy hour. (1) : Traffic models described in the following table are obtained in busy hours. 35 20000 50 uploading & streaming SNS 15. Issue 11 (2016-03-30) Page 45 of 48 . Table 1.9 UP traffic model for the smartphone traffic model Service Type PS Call Attempt DL Traffic DL: UL Traffic Ratio (%) Volume per PS Volume Ratio Call (KB) Web browsing & E.1 Storage Video Call 0.7 Music & APP 0. BBU3910 Description Control plane process Specifications for Specifications for the the Smartphone Datacard Traffic Traffic Model Model Attempt Number per User @BH (times) Syn2Unsyn Attempt Number per User 0 0 @BH (times) Unsyn2Syn Attempt Number per User 0 0 @BH (times) RRC Re-Establish Number per User 2 0 @BH (times) Paging number @BH (times) 1260000 100000 The following table describes the user plane (UP) traffic model for the smartphone traffic model.50 5000 30 downloading & Streaming File sharing & 0.00 5 0.00 200 4 IM 15.00 0. 35. 0.10 400 0.00 250 15 mail Video downloading.20 3000 1 Heart beat 25.85 50 1 The following table describes the UP traffic model for the datacard traffic model.1 1 Other 8. Ltd. .10 UP traffic model for the datacard traffic model Service Type UL Traffic Volume per DL Traffic Volume per PS Call (KB) PS Call (KB) FTP 600 6000 Issue 11 (2016-03-30) Huawei Proprietary and Confidential Page 46 of 48 Copyright © Huawei Technologies Co.. BBU3910 Description Table 1. 11 Acronyms and abbreviations Abbreviation Full Name ATM Asynchronous Transfer Mode BBU Baseband Unit BITS Building Integrated Timing Supply System CAPS Call Attempt Per Second CE Channel Elements CNBAPS Common NodeB Application Parts CPRI Common Public Radio Interface DL Downlink EDGE Enhanced Data rates for GSM Evolution FE Fast Ethernet GE Gigabit Ethernet GLONASS Global Navigation Satellite System GPS Global Positioning System GSM Global Service Mobile HDLC High-level Data Link Control HSDPA High Speed Downlink Packet Access IC Interference Cancellation IP Internet Protocol LMT Local Maintenance Terminal LTE Long Term Evolution Issue 11 (2016-03-30) Page 47 of 48 . BBU3910 Description 3 Acronyms and Abbreviations Table 1. BBU3910 Description Abbreviation Full Name MAC Media Access Control MIMO Multi-input and Multi-output OC-3 Optical Carrier Level 3 OM Operation and Maintenance OMC Operation and Maintenance Center RGPS Remote Global Positioning System SMT Site Maintenance Terminal STM-1 Synchronous Transport Mode-1 TOD Time of Day UBRI Universal Baseband Radio Interference Board UEIU Universal Environment Interface Unit UL Uplink UMTS Universal Mobile Telecommunications System UMPT Universal Main Processing and Transmission Unit UPEU Universal Power and Environment Interface Unit USCU Universal Satellite card and Clock Unit UTRP Universal Transmission Processing Unit Issue 11 (2016-03-30) Page 48 of 48 .