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Method and related apparatus for handling a contention-based random acces procedure

一种随机存取、通讯装置的技术，应用在无线通信、使用返回通道进行错误预防/检测、数字传输系统等方向，能够解决客户端功率消耗、干扰其它客户端上链传输等问题

Active Publication Date: 2012-10-31
INNOVATIVE SONIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, continuing to schedule retransmissions of transmission messages will result in unnecessary consumption of client power
In addition, since the base station may have allocated the channel resources originally used by the client to transmit the scheduled transmission message to other clients, the retransmission of the scheduled transmission message will also interfere with the uplink transmission of other clients

Method used

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  • Method and related apparatus for handling a contention-based random acces procedure
  • Method and related apparatus for handling a contention-based random acces procedure
  • Method and related apparatus for handling a contention-based random acces procedure

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Embodiment Construction

[0018] Please refer to figure 2 , figure 2 It is a schematic diagram of a wireless communication system 10 . The wireless communication system 10 is preferably a Long Term Evolution (LTE) system, which is briefly composed of a network terminal and multiple UEs. exist figure 2 In the above, the network end and the client end are used to illustrate the structure of the wireless communication system 10; in fact, the network end may include multiple base stations, wireless network controllers, etc. according to different requirements; and the client end may be a mobile phone, a computer system and other equipment.

[0019] Please refer to image 3 , image 3 It is a functional block diagram of the wireless communication device 100 of a wireless communication system. The wireless communication device 100 can be used to realize figure 2 client in . For brevity, image 3 Only an input device 102 , an output device 104 , a control circuit 106 , a CPU 108 , a storage devic...

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Abstract

The invention discloses a method and apparatus for handling a contention-based random access procedure in a user equipment (UE) of a wireless communication system. The method includes steps of sending a Scheduled Transmission message, the Scheduled Transmission message applying an HARQ (Hybrid Automatic Repeat request) process for transmission, starting a Contention Resolution Timer and monitoring a PDCCH (Physical Downlink Control Channel), and flushing a buffer of the HARQ process used for transmission of the Scheduled Transmission message when a contention result of the random access procedure is determined.

Description

technical field [0001] The present invention refers to a method for processing a contention-type random access program and its related communication device, especially a method for processing a contention-type random access program in a wireless communication system and its related communication device, and Timely terminate retransmission of a scheduled transmission message. Background technique [0002] The Long Term Evolution (LTE) wireless communication system is an advanced high-speed wireless communication system built on the third generation mobile communication system (such as the Global System for Mobile Telecommunication), which only needs to support packet switching transmission, and wireless The link control (Radio Link Control, RLC) communication protocol layer and the media access control (Medium Access Control, MAC) communication protocol layer can be integrated in the same communication network unit, such as a base station (Node B), without Separately located...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W74/08
CPCH04W74/0833H04L1/1874H04W72/1284H04L1/1887H04W72/21H04W74/0838H04L1/18H04W74/08
Inventor 郭丰旗
Owner INNOVATIVE SONIC