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Method for improving edge performance of wireless communication system

A wireless communication system, edge technology, applied in wireless communication, electrical components, network planning, etc., can solve the problem of unbalanced throughput in the center area and edge area of ​​the cell

Active Publication Date: 2010-01-06
SPREADTRUM COMM (SHANGHAI) CO LTD
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Problems solved by technology

[0017] For this reason, the present invention proposes a method for improving the edge performance of the wireless communication system, and solves the problem of unbalanced throughput between the center area and the edge area of ​​the cell by improving the system capacity and spectrum efficiency of the edge area of ​​the cell

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  • Method for improving edge performance of wireless communication system
  • Method for improving edge performance of wireless communication system
  • Method for improving edge performance of wireless communication system

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Embodiment Construction

[0049] The present invention is a technique proposed for improving system capacity and frequency spectrum utilization rate on the basis of soft fractional frequency reuse scheme. still refer to image 3 As shown, in a soft fractional frequency reuse scheme, the wireless communication network is divided into multiple cells according to the cellular shape, and only two adjacent cells 0 and 1 are shown in the figure. However, it is easy to understand that there may be other adjacent cells around cell 0. For an example, refer to Figure 2A shown.

[0050] According to a step of the present invention, each cell is divided into a central area and a plurality of edge areas. For example, the cell 0 can be divided into a central area 01 and a plurality of edge areas (only one area 02 is marked in the figure). Similarly, the cell 1 is divided into a central area 11 and a plurality of edge areas (only one area 12 is marked in the figure). Two adjacent cells 0,1 are adjacent at respec...

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Abstract

The invention discloses a method for improving the edge performance of a wireless communication system, which comprises the following steps: dividing each cell in a wireless communication network into a central region and a plurality of edge regions, wherein two small adjacent cells are adjacent in an edge region thereof; selecting all the frequencies in a useable frequency range to transmit signals with a user terminal of the central region in each cell; and selecting all the frequencies in a useable frequency range to transmit signals with user terminals of the edge regions in each cell, wherein the two adjacent edge regions of any adjacent regions select different frequencies and the transmitted signals with the user terminals in the edge regions contain multi-layer data at the same time and at the same frequency. The method can be used for solving the problem of unbalanced throughput of the central regions and the edge regions of the cell and can obtain frequency spectrum utilization rate similar to a shared-frequency network.

Description

technical field [0001] The invention relates to a method for improving the receiving performance of a cell edge area in a wireless communication system, which is used to realize the user throughput balance between the cell center area and the cell edge area. Background technique [0002] With the widespread popularization of mobile networks such as GSM in the past two decades, global voice communication services have achieved great success. Currently, there are more than 1.8 billion mobile voice users worldwide. At the same time, our communication habits have also evolved from the previous point-to-point (Place to Place) to person-to-person. The rapid development of personal communication has greatly promoted the miniaturization and diversification of personal communication equipment, combined with the capabilities of data services such as multimedia messaging, online games, video on demand, music downloads, and mobile TV, it has greatly met the needs of personal communicat...

Claims

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Application Information

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IPC IPC(8): H04W16/00H04W88/08
Inventor 张小东吴涛简相超陈垚
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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