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Method and apparatus for controlling retransmissions in a wireless communications system

A wireless communication system, retransmission technology, applied in the field of telecommunications, can solve the problem of "not knowing", the base station confuses the retransmission type, erroneous acceptance or other problems.

Inactive Publication Date: 2008-08-13
LUCENT TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the initial (first) transmission or any subsequent retransmissions are cancelled, then the mobile device does not "know" which retransmission sequence number will be sent subsequently as a retransmission, and the base station may confuse the retransmission type and incorrectly accept or discard received data

Method used

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  • Method and apparatus for controlling retransmissions in a wireless communications system
  • Method and apparatus for controlling retransmissions in a wireless communications system
  • Method and apparatus for controlling retransmissions in a wireless communications system

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Embodiment Construction

[0016] Exemplary embodiments of the present invention will be described hereinafter. In the interest of clarity, not all features of an actual implementation are described in this specification. Of course, it should be appreciated that in developing any such actual embodiment, numerous implementation-specific decisions can be made in order to achieve the developer's specific goals, such as compliance with system-related and Business-related constraints. In addition, it should be appreciated that such a development effort might be complex and time-consuming, but would nevertheless become a routine of course for those of ordinary skill in the art having the benefit of this disclosure.

[0017] Turning now to the drawings and referring specifically to FIG. 1 , there is shown a communication system 100 in accordance with one embodiment of the present invention. For purposes of illustration, the communication system 100 of FIG. 1 is generally compatible with technical specificati...

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Abstract

The present invention relates to methods and devices for controlling retransmissions in a wireless communication system. The present invention provides a method for controlling communications between a base station and a mobile device in the presence of transmission gaps. The method includes skipping transmissions that overlap the transmission gap. An alternative method includes postponing the transmission until the next available transmission time.

Description

technical field [0001] The present invention relates generally to telecommunications and, more particularly, to wireless communications. Background technique [0002] In the field of wireless telecommunications, such as cellular telephony, a system usually comprises a number of base stations (or NodeBs in 3GPP (Third Generation Partnership Project) terminology) distributed over the area served by the system. Different mobile devices (or User Equipment UE in 3GPP terminology) located within the area can then access the system and thus other interconnected telecommunication systems via one or more of said base stations. Typically, as a mobile device passes through an area, the mobile device maintains communication with the system by communicating with one or more base stations as it moves. The process of moving between base stations is often referred to as soft handoff, and can occur relatively frequently if the mobile device is moving rapidly. A mobile device can communicat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/18
CPCH04L1/1819H04L1/1887H04W48/16H04L1/18
Inventor R·W·巴赫尔F·多米尼克孔红卫W·E·拿布汉恩
Owner LUCENT TECH INC
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