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1、Contents:1Introduction31.1RBS6601 Main remote Solution41.2Safe, Smart and Sound Going Forward42RBS 6601 Hardware Architecture52.1RBS 6601 Main Unit52.2Remote Radio Unit52.3Optical Interface Link52.4Site Solutions53Applications for RBS 660153.1Metropolitan Indoor Site53.2Suburban Shelter Site53.3High
2、way Coverage Site53.4In-building Coverage Solution54Configurations54.1Radio Configurations54.2Digital Unit Configurations55Technical Specifications55.1RRU, Supported standards55.2Power Options55.3Dimensions55.4Weight56Environmental Capabilities56.1Safety Standards56.2Other Standards and Requirements
3、57Abbreviations51 IntroductionThe RBS 6000 base station family is designed to meet the increasingly complex challenges facing operators today. RBS 6000 is built with tomorrows technology and at the same provide backwards-compatibility with the highly successful RBS 2000 and RBS 3000 product lines. R
4、BS 6000 base stations offer a seamless, integrated and environmentally friendly solution and a safe, smart and sound roadmap for whatever tomorrow holds.Figure 1 RBS 6000 base station familyRBS 6000 Series Key Features: Path to sustainability: The RBS 6000 Series ensures a smooth migration to new fu
5、nctionality and new technologies with existing sites and cabinets, thus providing a path to sustained revenues and profits. Power on demand: Reengineering the power supply and fully integrating it into the system were key objectives in designing the RBS 6000 series. The intelligent power supply prov
6、ides power on demand that is exactly matched to what is needed at any given moment, thus ensuring that power consumption is kept to an absolute minimum. Multi-standard: All RBS 6000 base stations support multiple radio technologies. Integrated simplicity: New multi-purpose cabinets, an innovative co
7、mmon building practice for all components, modular design and an extremely high level of integration bring the functionality and capacity of an entire site down to the size of a cabinet1.1 RBS6601 Main remote SolutionRBS 6601 is a Main Remote solution, optimized to deliver high radio performance for
8、 efficient cell planning in a wide range of indoor and outdoor applications. The Main Remote RBS, in which each RRU is located near an antenna, reduces feeder losses and enables the system to use the same high-performance network features at lower output power, thereby lowering power consumption and
9、 both capital and operational expenditure. Up to twelve Remote Radio Units (RRU) can be connected to a Main Unit (MU) to match any site requirements. The small, lightweight units are easily carried to site and offer simple and discrete installation where space and access are decisive issues.1.2 Safe
10、, Smart and Sound Going ForwardThe Main Remote concept is designed to support all technologies in virtually any combination. This means that timing in network expansion is less critical and that there is less risk in investment decisions, since base band and RRU capacity can be added as it is needed
11、 for the technology that is in demand.Like the other members of the RBS 6000 family, the Main Remote RBS 6601 provides a common transport network solution that supports a wide range of technologies.2 RBS 6601 Hardware ArchitectureThe MainRemote solution has the similar architecture as the other prod
12、ucts in the RBS 6000 family. The main Remote Solution is divided into a Main Unit (MU) and multiple Remote Radio Unit (RRU) that are connected to the MU through optical fiber cables. Figure 2 RBS 6601, Main Unit (MU) and Remote Radio Unit (RRU)Figure 3 RBS 6601 3-sector site2.1 RBS 6601 Main UnitThe
13、 RBS 6601 Main Unit is indoor specified.2.1.1 RBS 6601 - Indoor Main UnitThe RBS 6601 Main Unit is designed for indoor environments, preferably mounted in a 19-inch rack. One DUW or two DUG/DUL can be housed in one RBS 6601 Main Unit.Some of the key characteristics of the RBS 6601 Main Unit are: Pow
14、er distribution of -48 VDC to Digital Units Climate system including built-in fans and control part In addition to the above RBS 6601 Main Unit also provides a limited number of built-in customer alarm connections as well as connection to an external Support Alarm Unit (SAU).Power distribution unitT
15、ransmission connectorsGPS connectorO&M and control connectorsRRU connectorsFigure 4 RBS 6601 Main Unit with DUG/DULPower distribution unitTransmission connectorsGPS connectorO&M and control connectorsRRU connectorsFigure 5 RBS 6601 Main Unit with DUW2.1.2 Digital Unit for GSMThe Digital Unit GSM, DU
16、G 20 can control up to 12 GSM carriers. If more than 12 TRXs are required, then an additional DUG can be installed in the RBS 6601 Main Unit and synchronized with the other DUG in the Main Unit.The DUG supports the cross-connection of individual time slots to specific TRXs and extracts the synchroni
17、zation information from the Pulse-Code Modulation (PCM) link to generate a timing reference for the RBS.The DUG 20 supports: E1/T1 transmission interface Baseband processing Link Access Procedures on D-Channel (LAPD) concentration / multiplexing Abis optimization Multi-drop (cascading) Synchronized
18、radio network, through an external GPS receiver Transceiver Group (TG) synchronization Site LAN2.1.3 Digital Unit for WCDMAThe Digital Unit WCDMA (DUW) comes in three variants, DUW 10/20/30, depending on capacity demand. The DUW contains the baseband, control, and switching, as well as the Iub and M
19、ub interfaces. The DUW can handle different time-varying traffic mixes consisting of voice circuit-switched data, packet-switched data, and high-speed data such as High Speed Packet Access (HSPA).Baseband resources are pooled in the DUW and the number of Channel Elements (CE) and high-speed data cap
20、acity can be optimized to fit operator requirements for user type and number of services.The baseband capacity is pooled independently of sectors and frequencies. Two baseband pools can exist (two DUW). Each DUW is then housed in one 19”, 1.5U RBS 6601 Main Unit. The two DUW in two separate 19” 1.5U
21、 RBS 6601 Main Units can be configured as one RBS node.The DUW stabilizes the clock signal extracted from the transport network connection or optional external GPS equipment and uses it to synchronize the RBS. The DUW provides: 100/1000 Base-T Ethernet Channelised STM-1 transport network interface F
22、our IMA capable E1/T1/J1 portsThe DUW can connect to RRU22, RRUW or RRUS.2.1.4 Digital Unit for LTEThe DUL contains the baseband, control, and switching, as well as the S1 and Mub interfaces for LTE RBS. The DUL supports different time-varying traffic mixes over the LTE high-speed data interface.Bas
23、eband resources are pooled in the DUL and the high-speed data capacity can be optimized to fit operator requirements for user type and number of services. The baseband capacity is pooled independently of sectors and frequencies, and up to two baseband pools can exist (two DUL) in one 19” 6601 Main U
24、nit with a height of 1.5U and act as one RBS node.The DUL stabilizes the clock signal extracted from the transport network connection or optional external GPS equipment and uses it to synchronize the RBS. The DUL provides: Full IP connectivity A gigabit Ethernet transport network interface2.2 Remote
25、 Radio Unit2.2.1 RRUW & RRUSFigure 6, Remote Radio Unit (RRUW/RRUS) RRUW and RRUS are designed to be installed close to the antennas, and can be either wall or pole mounted. The RRUW has got WCDMA capability. RRUS is Multi Standard Radio, MSR, capable. This means that RRUS is capable of running GSM,
26、 WCDMA and LTE on the same RRU HW. Standard can be changed by software reload. The RRUS is HW prepared for running mixed mode configurations, i.e. to run 2 standards simultaneously. The standards supported in each frequency variant of RRUS depend on which frequencies each standard is defined in 3GPP
27、. A table with standards supported for each frequency is found in chapter 5.1.For GSM and LTE, up to 12 RRUS can be connected to one MU. For WCDMA, up to 12 RRUW or RRUS can be connected to the same MU.The RRUW & RRUS sustainable average output power is 60 W, for very large coverage and high capacit
28、y requirements. Dual band configurations are also supported by connecting RRUW or RRUS for different frequency bands to the same MU.The RRUW & RRUS contain most of the radio processing hardware. The main parts of the RRU are the: Transceiver (TRX) Transmitter (TX) amplification Transmitter/Receiver
29、(TX/RX) duplexing TX/RX filtering Voltage Standing Wave Ratio (VSWR) support ASC, TMA & RET support Optical interfaceAll connections are located at the bottom of the RRUW & RRUS.TMAs or ASCs are normally not needed when the RRU is mounted near the antenna. Still to maximize the flexibility at site R
30、RUW & RRUS has support for ASC, TMA and Remote Electrical Tilt (RET).2.2.2 RRU22 Figure 7, Remote Radio Unit (RRU22 20W & 40W) The RRU22 are WCDMA capable and designed to be installed close to the antennas, either wall or pole mounted. Up to six RRU22 can be connected to the same MU to match any sit
31、e type.Different types of RRU22 are available with respect to frequencies and output power (20 or 40 W). It is possible to mix different RRU types in the same configuration. Dual band configurations are supported by connecting RRU for different frequency bands to the same MU.The RRU contain most of
32、the radio processing hardware. The main parts of the RRU are the: Transceiver (TRX) Transmitter (TX) amplification Transmitter/Receiver (TX/RX) duplexing TX/RX filtering Voltage Standing Wave Ratio (VSWR) support (40W) ASC, TMA & RET support (see table below) Optical interfaceAll connections are loc
33、ated at the bottom of the RRU.TMA or ASC are normally not needed when the RRU is mounted near the antenna. Some of the RRU types however have support for ASC, TMA, RET and RET Interface Unit (RIU). The compatibility for the different RRU is presented in the table below.ASC/TMARETRIURRU22 20 WXRRU22
34、40 WXX(1)X(2)(1) Possible if connected via ASC(2) Only needed when no ASC is used2.3 Optical Interface LinkThe RRU are connected to the MU through optical fiber cables. The length between the RBS 6601 MU and a RRUW or RRUS can be as long as up to 40 km.The units can be connected to each other in sev
35、eral different ways depending on the site setup. The RBS 6601 supports: Star connection of the RRU, where each RRU is connected to the MU. RRUW & RRUS support cascade connections, where only one fiber cable is connected between the MU and one of the RRU. The other RRU are then connected to each othe
36、r. This solution reduces the length of the optical fiber cable needed and can be used in multiple applications when the RRU are located far away from the MU. The RRU22 can be connected as the last RRU in a RRU cascade chain. 2.4 Site Solutions2.4.1 Support Alarm UnitThe optional Site Alarm Unit (SAU
37、) monitors and controls customer equipment.The SAU can handle up to 32 external alarms and four output control ports.2.4.2 GPSThe RBS can be optionally connected to a GPS unit, which is used for synchronization of the RBS.For more Main Remote site solution information please see the Main Remote site
38、 installation document.3 Applications for RBS 6601The RBS 6601 offers a wide spectrum of indoor applications. It is well suited for medium- to large capacity needs and is easy and flexible to set up.3.1 Metropolitan Indoor SiteFigure 8 Metropolitan Indoor SiteThe RBS 6601 is perfectly suited for met
39、ropolitan locations, with medium to large capacity needs and requirements for low power consumption. The small subunits are ideal for sites where access is limited or when site installation would result in an undesirable level of disturbance, as the included units can be carried using elevators or s
40、tairwells by hand. The RRUs are mounted close to the antennas and the MU can be installed in an existing 19-inch rack or wall-mounting kit in an equipment room.3.2 Suburban Shelter SiteFigure 9 Suburban Shelter SiteThe RBS 6601 is a perfect solution for achieving coverage and capacity in suburban en
41、vironments. The Main Remote RBS 6601 provides wide area coverage where expansion can be implemented in a cost efficient way.Radio sites in remote areas with limited access to power infrastructure can benefit from the Main Remote RBS6601, since it offers low power consumption and high efficiency at t
42、he same time.The MU can be installed in an existing 19” rack in a small shelter below the tower, and each RRU is installed close to the antennas in the tower top.3.3 Highway Coverage SiteFigure 10 Highway Coverage SiteCost-effective coverage and capacity, low power consumption, and simplified civil
43、works make the RBS6601 an ideal choice for highway coverage sites. The RRU can be spread out along the highway where they easily can be mounted on roadside poles, with negligible footprints, to minimize the interference on the surroundings. The MU is mounted in a shelter with a 19” rack. 3.4 In-buil
44、ding Coverage SolutionFigure 11 In-Building Coverage SolutionUsing the RRU as a driver and connected to a Distributed Antenna System (DAS), the RBS 6601 is a good candidate when deploying in-building coverage. The possibility to spread out the RRU result in that one RBS can provide several buildings
45、 with exclusively tailored coverage.This solution can preferable be deployed in locations such as shopping centers, train stations and sport arenas.4 Configurations4.1 Radio ConfigurationsThe RRU22 is a WCDMA capable radio unit.RRU22 ConfigurationBandwidthTechnologyOutput Power*WCDMA 2 carriersMCPA2
46、0/40 WThe RRUW is a WCDMA capable radio unit.RRUW ConfigurationBandwidthTechnologyOutput Power*WCDMA 4 carriersMCPA20/40/60 WThe RRUS is a multi-standard unit and can amplify two standards simultaneously.ConfigurationBandwidthTechnologyOutput Power*GSM High capacity4 TRXsMCPA20/40/60 W WCDMA 4 carri
47、ersMCPA20/40/60 WLTE20 MHz MCPA20/40/60 W* Output power from the antenna reference point. The output power and number of cell carriers/bandwith for RBS with RRUW or RRUS are set by use of HW activation codes.For radio performance information please see RBS 6000 Radio Performance and RBS 3000 Radio Performance (for RRU22) in the Product Catalogue.4.1.1 GSM with MCPAExample configurationsConfiguration *Number of RRUSOutput power per TRX*34320 W38620 W64620 W* Configured nominal output power.* In order t
