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Multi-slot cooperative communication method for multiple base stations

A cooperative communication and multi-base station technology, applied in a multi-slot multi-base station cooperative communication system and its communication field, can solve problems such as unfair treatment of cell edge users and inability to obtain the best service, and achieve the effect of improving communication quality

Inactive Publication Date: 2013-07-24
SHANGHAI RES CENT FOR WIRELESS COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this scheme is that users close to the location between two cooperative cells cannot get the best service. 4. The communication quality of collaborative services is definitely better
Furthermore, this scheme is not fair to the users at the edge of the cell

Method used

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  • Multi-slot cooperative communication method for multiple base stations
  • Multi-slot cooperative communication method for multiple base stations
  • Multi-slot cooperative communication method for multiple base stations

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Embodiment Construction

[0032] The multi-slot multi-base station cooperative communication method of the present invention at least includes the following steps:

[0033] Step 1, presetting a network topology structure of a communication system of different time slot types comprising several base stations, in the network topology structure of different time slot types, the communication area of ​​each base station is divided into a central area and several edge sectors, Each base station's central area and each edge sector have different communication frequency bands respectively, and adjacent edge sectors of different base stations have the same frequency bands in different time slot types to form different cooperative cells. Usually, each base station divides the entire available frequency band into two parts, wherein the cooperative frequency band of each edge sector is divided into three equal parts and allocated to three sectors respectively. For example, the bandwidth of α·B (0≤α≤1) is used as ...

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Abstract

The invention discloses a multi-slot cooperative communication method for multiple base stations. The method comprises the following steps of: pre-setting the network topology structures of communication systems with different slot types; selecting a corresponding cooperative cell and the slot type of the cooperative cell for a user needing cooperative communication by using a cooperative slot type selecting device; and coordinating a base station connected with the cooperative cell through a central cooperator corresponding to the cooperative cell to serve the user. The method has the advantages of solving the problem that some cell edge users cannot acquire the services of three optimal base stations at the same time in the conventional method and effectively improving the communicationquality of the edge users.

Description

technical field [0001] The present invention relates to a multi-base station cooperative communication system and a communication method thereof, in particular to a multi-slot multi-base station cooperative communication system and a communication method thereof. Background technique [0002] With the rapid growth of mobile data services, users require mobile communication systems to provide higher service rates and better service quality. Therefore, the next generation mobile communication system needs to support higher spectrum efficiency and better QoS guarantee. see figure 1 , in the multi-cell single-point transmission mode system of the prior art, each base station only serves users in its own cell. The inter-cell interference coordination technology requires that the frequency bands allocated by adjacent base stations to cell edge users do not overlap each other, so that the same-frequency interference is minimized. Among the frequency bands shown in the figure, th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W16/12H04W16/14H04W16/24
Inventor 赵巍杨秀梅熊勇朱磊贾国庆
Owner SHANGHAI RES CENT FOR WIRELESS COMM