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Method for poll processing after radio link control reconfiguration in radio communication system

A wireless link control and wireless communication system technology, applied in wireless communication, wireless network protocol, electrical components, etc., can solve problems such as stalemate, achieve the effect of fast and simple process, wide application range, enhanced stability and reliability

Active Publication Date: 2013-06-19
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Assuming that before the reconfiguration occurs, the last PDU carrying the poll is lost. Since the Timer_Poll_Periodic timer is stopped after reconfiguration, and the Timer_Poll timer is not started, then if no new PDU is sent, a new PDU will not be triggered. Polling, and the receiving end will not send a status report because it has not received the polling, so the two parties will fall into a stalemate

Method used

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  • Method for poll processing after radio link control reconfiguration in radio communication system
  • Method for poll processing after radio link control reconfiguration in radio communication system
  • Method for poll processing after radio link control reconfiguration in radio communication system

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Embodiment Construction

[0040] In order to understand the technical content of the present invention more clearly, the following examples are given in detail.

[0041] see Figure 4 with Figure 5 As shown, the method for processing polling after radio link control reconfiguration in the wireless communication system, the wireless communication system includes a sending end and a receiving end, and the radio link control is in confirmation mode, wherein the The sending end configures the first polling control timer in the radio link control in the confirmation mode, and the method includes the following steps:

[0042] (1) When the sending end reconfigures the wireless link control in the confirmation mode, check whether the second polling control timer is set in the polling control configuration;

[0043] (2) If the second polling control timer is not configured, perform a normal reconfiguration process and end;

[0044] (3) If the second polling control timer is configured, then check whether th...

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Abstract

The invention relates to a method for poll processing after radio link control reconfiguration in a radio communication system. In the method, when radio link control reconfiguration occurs, if a new configuration comprises a Timer Poll timer and comprises no Timer Poll Periodic timer, the radio link control is about to check the state of a current sending window, and if a protocol data unit (PDU) which is not confirmed to be received exists in the sending window, a new poll is triggered, otherwise, the poll is unnecessary to trigger; and when the new poll is sent, the Timer Poll timer is about to be started according to the new configuration. The method for poll processing after radio link control reconfiguration in the radio communication system is favorable for effectively preventing two parties from trapping in a stalemate after the radio link control reconfiguration, enhancing system stability and reliability and improving system operating efficiency, and has rapid and simple processes and a wider application scope.

Description

technical field [0001] The present invention relates to the field of wireless communication, in particular to the technical field of wireless link control processing in a WCDMA system, and specifically refers to a method for processing polling after reconfiguration of wireless link control in a wireless communication system. Background technique [0002] Radio Link Control (RLC, Radio Link Ctrl) is mainly responsible for data transmission in the wireless communication protocol, which includes transparent mode (TM, Transparent Mode), unacknowledged mode (UM, Unacknowledged Mode) and acknowledged mode (AM, Acknowledged Mode ) three modes. In the present invention, the AM mode is mainly aimed at. [0003] In AM mode, RLC segments and connects the service data unit (SDU, Service Data Unit), adds a header, and may also add a length indicator (LI, Length Indicator) and padding bytes, and finally encapsulates it into a specified size A protocol data unit (PDU, Protocol Data Unit)...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W80/06
Inventor 卿晋
Owner SPREADTRUM COMM (SHANGHAI) CO LTD