Central base station system based on advanced telecommunication computer system structure

A technology of base station system and architecture, applied in the field of base stations, can solve problems such as difficulty in meeting demand pressure

Inactive Publication Date: 2008-12-10
UTSTARCOM TELECOM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the CompactPCI architecture has made some expansion efforts, it is still difficult to meet the increasing demand pressure, and it is also difficult to adopt newer technologies, such as high-speed differential transmission technology

Method used

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  • Central base station system based on advanced telecommunication computer system structure
  • Central base station system based on advanced telecommunication computer system structure
  • Central base station system based on advanced telecommunication computer system structure

Examples

Experimental program
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Effect test

Embodiment Construction

[0112] The block diagram of Fig. 3a shows the structure of a centralized base station system 20 based on a scalable architecture with remote radio frequency units.

[0113] As shown in FIG. 3 a , the base station system 20 includes a main base station subsystem 21 and multiple remote radio frequency subsystems 22 . The main base station subsystem 21 includes a signal transmission network 19, a plurality of remote radio frequency interface units 25, a baseband signal flow switching network 27, a plurality of baseband processing units 24, a clock synchronization unit 23, a LAN (local area network) switching network 28, and a base station controller Interface unit 26 , main control unit 29 and signaling unit 18 . The main control unit 29 controls the other parts of the main base station subsystem 21 in the same frame through the channel 17 (shown as the thick solid line), and the channel 17 can physically pass through a LAN network or an internal bus (such as a PCI bus) accompli...

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Abstract

An ATCA-based centralized base station system includes a main base station subsystem and one or more remote radio frequency subsystems. The main base station subsystem includes: one or more chassis based on the ATCA platform, each chassis including at least one ATCA board. A form of control switching module; one or more base station controller interface modules; a signaling module; one or more baseband processing modules; one or more remote radio frequency interface modules; a first switching network, including a chassis backplane BASE interface Link, control switching module and first network switching unit; second switching network, including chassis backplane FABRIC interface link, control switching module and second network switching unit; clock synchronization network, including chassis backplane clock synchronization bus , control switching module and clock unit; and signal transmission network, wherein the second network switching unit and clock unit are also connected to the first network switching unit, and one of the control switching modules of all chassis is the main control module.

Description

technical field [0001] The invention relates to the base station technology in the mobile communication system, in particular to a centralized base station architecture with separated radio frequency units and its implementation on the ATCA (Advanced Telecommunications Computer Architecture) platform. Background technique [0002] 1. Radio frequency unit remote technology, centralized base station [0003] In a mobile communication system, a radio access network typically consists of a base station (BTS) and a base station controller (BSC) or radio network controller (RNC) for controlling multiple base stations, as shown in Figure 1a. The base station is mainly composed of baseband processing subsystem, radio frequency (RF) subsystem, antenna and other units, responsible for the transmission, reception and processing of wireless signals, and a base station can cover different cells through multiple antennas, as shown in Figure 1b. [0004] In the mobile communication system...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/30H04W88/08
CPCH04W88/085
Inventor 刘晟阮绍云赵柏峻
Owner UTSTARCOM TELECOM CO LTD
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