Method and device for allocating physical resource blocks

A technology of physical resource block and direction of arrival, which is applied in the field of allocating physical resource blocks, can solve problems such as increasing the data block error rate at the receiving end, strong multiple access interference, reducing the resource utilization rate of the cell communication system and user capacity, etc.

Active Publication Date: 2010-06-02
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Embodiments of the present invention provide a method and device for allocating physical resource blocks, which are used to solve the problem that under the influence of smart antennas, the physical resource allocation meth...

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  • Method and device for allocating physical resource blocks
  • Method and device for allocating physical resource blocks
  • Method and device for allocating physical resource blocks

Examples

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Embodiment Construction

[0026] In the embodiment of the present invention, according to the direction of arrival angle of the terminal, the area of ​​the cell where the terminal is located is determined, and corresponding physical resource blocks are allocated to the terminal according to the area. Since the physical resource blocks allocated to terminals in the same area are the same, At the same time, only one terminal sends or receives data, which eliminates multiple access interference in the same area.

[0027] Each physical resource block occupies a different code channel resource, and the sending end sends data to the receiving end on the code channel occupied by the physical resource block, that is, the receiving end monitors the code channel occupied by the physical resource block allocated to itself.

[0028] The base station in the embodiment of the invention is a base station using a smart antenna.

[0029] The embodiments of the present invention will be further described in detail below...

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Abstract

The invention relates to the technical field of wireless communication, in particular to a method and a device for allocating physical resource blocks. The device and the method are used to solve the problems of increase in an error block rate of data at a receiving terminal and reduction in the resource utilization rate and user capacity of the communication system of a cell, which are caused by the high multi-access interference generated by the method for allocating the physical resource blocks in the prior art under the influence of a smart antenna. The method of the embodiment of the invention comprises: determining the region of a cell of a terminal according to the directional angle of an incoming wave of a terminal, wherein the region is one of the plurality of regions of cells; determining the physical resource block corresponding to the terminal according to a preset mapping relationship between region identifiers and physical resource blocks; and sending the parameters of the determined physical resource block to the terminal. The method of the embodiment of the invention can reduce multi-access interference in the same cell and the error block rate of the receiving terminal and improve the resource utilization rate and user capacity of the communication system.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method and device for allocating physical resource blocks. Background technique [0002] In a VoIP (Voice over IP, IP-based voice call) service, the network side sends data to the terminal side through the code channel corresponding to the physical resource block. [0003] Currently, in the downlink transmission of VoIP services, a cell is generally configured with two time slots, such as figure 1 As shown, for example: there are 32 code channels in two time slots. At this time, there are 4 physical resource blocks A1, A2, B1 and B2 occupying 8 code channels in the physical resources, wherein A1 and A2 are in the same time slot; B1 and B2 are in the same time slot. [0004] In the FDD (Frequency division duplex, frequency division duplex) system and TDD (Time division duplex, time division duplex) system of the VoIP service, the network side will alloca...

Claims

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Application Information

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IPC IPC(8): H04W72/08
Inventor 秦飞张利杰
Owner DATANG MOBILE COMM EQUIP CO LTD
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