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Base station group control system and realizing method thereof

A group control system and base station technology, applied in the field of base station group control, can solve the problems of complex connection, weak scalability, and inflexible group control methods, and achieve simple connection, flexible group control methods, and reduced quantity Effect

Inactive Publication Date: 2006-12-13
ZTE CORP
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to overcome the shortcomings of the existing hardware synchronous group control mode, and solve the problems of complicated connection, inflexible group control mode and weak scalability existing in the existing hardware synchronous group control mode

Method used

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  • Base station group control system and realizing method thereof
  • Base station group control system and realizing method thereof
  • Base station group control system and realizing method thereof

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Embodiment Construction

[0031] Considering that due to hardware connection, there will be a delay when transmitting frame timing signals between the master and slave base stations, therefore, when applying the technical solution of the present invention, it is necessary to correct the transmitted frame timing signals.

[0032] see figure 2 , figure 2 Shown is a schematic diagram of the frame sequence transmitted by the group control base station of the PHS system. 21 is the frame format of PHS stipulated in the STD-28 protocol. The length of each frame is 5ms and consists of 8 time slots: 211 is 4 sending time slots (T1~T4), 212 is 4 receiving time slots (R1~T4). R4), after the base station is put into operation, it first sends a signal (sending time slot), and then receives the signal (receiving time slot). 22 is the frame timing signal of the transmission time slot generated according to the above frame format 21 after the main base station is put into operation, and 221 marks the start of one ...

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Abstract

The present invention relates to digital communication system in radio communication field. The base station group control system includes N base stations, each of which includes main controlling CPU, TDMA / TDD processing unit connected to the main controlling CPU, sync processing time sequence unit connected to the TDMA / TDD processing unit, and line interface unit connected with the sync processing time sequence unit. The sync processing time sequence unit is sync optocoupler with wire-ANDing function; and all the base stations are connected via one frame time sequence bus and one ground line led out from the line interface unit for frame time sequence signal transmission. The present invention also provides the method of realizing group control system in the said system. The present invention has the advantages of flexible group control mode, simple wiring, strong expandability and high signal isolating effect between base stations.

Description

technical field [0001] The present invention relates to a method for realizing group control of base stations, and mainly relates to digital communication systems using TDMA (Time Division Multiple Access) and TDD (Time Division Duplex) working modes in the field of wireless communication, such as base stations in PHS (Personal Portable Phone System) systems group control method. Background technique [0002] At present, the PHS system has been widely used. Faced with the increasing number of users, it is necessary to provide more service channels for use. One of the methods to solve this problem is to use group-controlled base stations—that is, to "bundle" multiple conventional single base stations, and they share one control channel (CCH), and the remaining channels are all used for business purposes. Compared with simply increasing the number of single base stations, this method can provide more traffic channels (TCH). [0003] The main task of the base station group co...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04Q7/20H04Q7/30H04W88/08H04W88/12
Inventor 方红兴于宏全徐敏
Owner ZTE CORP
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