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Method and apparatus for transmission mode selection in cooperative relay

A technology of transmission mode and mode, applied in transmission system, radio transmission system, space transmit diversity, etc., can solve the problems of providing high data rate, additional cost, etc.

Inactive Publication Date: 2012-05-30
NOKIA TECHNOLOGLES OY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It may be difficult to provide high data rates throughout the cell (especially at the cell edge) due to factors such as radio link degradation
One way to solve this problem is to reduce the size of the cell, but it may incur additional costs

Method used

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  • Method and apparatus for transmission mode selection in cooperative relay
  • Method and apparatus for transmission mode selection in cooperative relay
  • Method and apparatus for transmission mode selection in cooperative relay

Examples

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Embodiment Construction

[0025] by referring to the attached Figure 1 to Figure 10 to understand the exemplary embodiments of the invention and its potential advantages.

[0026] figure 1 A simplified block diagram of a system 9 suitable for use in implementing an exemplary embodiment of the invention is shown. exist figure 1 In this example, a system 9 (such as a WiMAX system or an LTE system) includes at least one base station (BS) 14 , a plurality of mobile stations (MS) 10 and one or more relay stations (RS) 12 . BS 14 includes a suitable controller (eg, at least one data processor (DP) 14A) operatively coupled to memory (MEM) 14B and at least one wireless (eg, radio frequency RF) transceiver 14C. The MS 10 includes a suitable controller (such as at least one data processor (DP) 10A) operatively coupled to a memory (MEM) 10B and at least one wireless (eg radio frequency RF) transceiver 10C. RS 12 includes a DP 12A and an associated MEM 12B. RS 12 is adapted to communicate with MS 10 and BS 1...

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Abstract

In accordance with an example embodiment of the present invention, an apparatus, comprising at least one processor; and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to perform at least the following: select at least two relay stations from a plurality of relay stations; determine a transmission mode for cooperatively forwarding a data packet by the selected relay stations; schedule a resource allocation for the selected relay stations based at least in part on the transmission mode; and notify the selected relay stations of the resource allocation, is disclosed.

Description

technical field [0001] The invention relates to a method and a device for selecting a transmission mode in cooperative relay. Background technique [0002] A wireless communication network typically includes one or more communication stations, commonly referred to as base stations, each communication station communicates with its subscribers, also referred to as mobile stations. The communication link from a mobile station to a base station is generally referred to as uplink (UL), and the communication link from a base station to a mobile station is generally referred to as downlink (DL). [0003] Cellular mobile communication networks use two-way communication between base stations and mobile stations. It may be difficult to provide high data rates throughout a cell (especially at the cell edge) due to factors such as radio link degradation. One way to solve this problem is to reduce the size of the cell, but it may incur additional costs. [0004] Relaying is generally ...

Claims

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Application Information

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IPC IPC(8): H04W40/22H04B7/06
CPCH04W84/047H04B7/15592H04W72/02H04W88/06H04W88/04H04W72/042H04W72/12H04B7/15557H04W72/1268
Inventor 郦振红邬钢王海峰邹伟
Owner NOKIA TECHNOLOGLES OY
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