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Retransmission resource allocation method for wireless communication system

A wireless communication system and resource allocation technology, applied in the fields of semi-persistent resource allocation message allocation and retransmission resource allocation, and retransmission resource allocation, can solve problems such as increasing the processing complexity of user equipment, and achieve a solution that reduces processing complexity and enhances reliability. Effect

Active Publication Date: 2011-08-17
SAMSUNG ELECTRONICS CO LTD
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  • Abstract
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AI Technical Summary

Problems solved by technology

[0006] Therefore, the user equipment stores the value indicating the status of the most recently received packet for distinguishing the first transmission and retransmission of the packet, but this process increases the processing complexity of the user equipment

Method used

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  • Retransmission resource allocation method for wireless communication system
  • Retransmission resource allocation method for wireless communication system
  • Retransmission resource allocation method for wireless communication system

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Embodiment Construction

[0026] Embodiments of the present invention will be described in detail with reference to the accompanying drawings. The same reference numbers are used throughout the drawings to refer to the same or like parts. Detailed descriptions of well-known functions and structures incorporated herein may be omitted to avoid obscuring the subject matter of the present invention.

[0027] figure 1 is a schematic diagram showing an LTE structure to which an embodiment of the present invention is applied.

[0028] Such as figure 1 As shown, the LTE architecture is characterized by an evolved radio access network (E-RAN) 110 and 112 containing only two infrastructure nodes: the evolved Node B (hereinafter referred to as ENB or Node B) 120, 122, 124, 126 and 128, and Access Gateways (AGs), ie, Evolved Gateway GPRS Serving Nodes (EGGSNs) 130 and 132 .

[0029] User Equipment (UE) 101 accesses an Internet Protocol (IP) network via E-RANs 110 and 112 .

[0030] ENBs 120 , 122 , 124 , 126 ...

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Abstract

A retransmission resource allocation method and apparatus for a wireless communication system for allocating a retransmission resource using a semi-persistent resource allocation message indicating a retransmission resource allocation is provided. The method includes receiving, at a mobile terminal, a semi-persistent resource allocation message; determining whether the semi-persistent resource allocation message indicates a retransmission resource allocation or a semi-persistent resource allocation, based on usage information included in the semi-persistent resource allocation message; and executing, when the semi-persistent resource allocation message indicates the retransmission resource allocation, a retransmission operation based on resource assignment information included in the semi-persistent resource allocation message.

Description

technical field [0001] The present invention generally relates to a wireless communication system, and specifically relates to a retransmission resource allocation method and device for the wireless communication system using a semi-persistent resource allocation message indicating retransmission resource allocation to allocate retransmission resources. Background technique [0002] Universal Mobile Telecommunications System (UMTS) is one of the third generation (3G) mobile telecommunications technologies developed from Global System for Mobile Communications (GSM) and General Packet Radio Service (GPRS) and using Wideband Code Division Multiple Access (WCDMA). [0003] The 3rd Generation Partnership Project (3GPP), which is in charge of the standardization of UMTS, is studying to significantly expand the performance of UMTS through Long Term Evolution (LTE). LTE is a 3GPP standard that provides downlink speeds of up to 100 Mbps and is expected to be commercially available i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26
CPCH04W72/042H04L1/1812H04L1/1887H04W72/23H04L1/004H04W72/11
Inventor 金成勋格特-简.范利肖特
Owner SAMSUNG ELECTRONICS CO LTD
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