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Method and system for overcoming confliction between uplink hybrid automatic retransmission request and burst traffic

A hybrid automatic retransmission and service technology, applied in the field of communication, can solve problems such as control channel conflicts

Inactive Publication Date: 2010-08-18
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The technical problem to be solved by the present invention is to provide a method and system for overcoming the conflict between the uplink hybrid automatic repeat request and the burst service, so as to solve the problem of the burst service and the control channel and / or feedback channel in the ongoing uplink HARQ process conflicting issues

Method used

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  • Method and system for overcoming confliction between uplink hybrid automatic retransmission request and burst traffic
  • Method and system for overcoming confliction between uplink hybrid automatic retransmission request and burst traffic

Examples

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Embodiment 1

[0061] For example, the predetermined information is: 1. A superframe contains 4 radio frames, a radio frame contains 8 subframes, and the allocation ratio of uplink and downlink subframes is 3:5; 2. Both uplink processing delay and downlink processing delay are 2 subframes The duration of the frame; 3. The control channel or feedback channel associated with the uplink subframe is distributed every interval of a downlink subframe in a wireless frame in the superframe; according to the method of the present invention, the specific steps are:

[0062] Step 1, (eg Figure 5 As shown) the base station sequentially labels the radio frames in a superframe, such as: SF0-SF31; and labels the downlink subframes in the superframe as control channels or feedback channels, such as U0, U1, U2....

[0063] The existing control channel and feedback channel associated with each uplink subframe are set according to predetermined information, as shown in Table 1, the corresponding relationship ...

Embodiment 2

[0078] When the predetermined information is: 1. A superframe contains 4 radio frames, a radio frame contains 8 subframes, and the allocation ratio of uplink and downlink subframes is 4:4; 2. Both uplink processing delay and downlink processing delay are 3 subframes The duration of the frame; 3. The control channel or feedback channel associated with the uplink subframe is continuously distributed on the downlink subframe in the superframe; according to the method of the present invention, the specific steps are:

[0079] Step 1, (eg Image 6 As shown) the base station sequentially labels the radio frames in a superframe, such as: SF0-SF31; and labels the downlink subframes in the superframe as control channels or feedback channels, such as U0, U1, U2....

[0080] The existing control channel and feedback channel associated with each uplink subframe are set according to predetermined information, as shown in Table 4, the corresponding relationship between each uplink subframe ...

Embodiment 3

[0092] When the predetermined information is: 1. A superframe contains 4 wireless frames, a wireless frame contains 8 subframes, and the allocation ratio of uplink and downlink subframes is 5:3; 2. The uplink processing delay is 3 subframes long, and the downlink processing 3. The control channel or feedback channel associated with the uplink subframe is continuously distributed on the downlink subframe in the superframe; according to the method of the present invention, the specific steps are:

[0093] Step 1, (eg Figure 7 As shown) the base station sequentially labels the radio frames in a superframe, such as: SF0-SF31; and labels the downlink subframes in the superframe as control channels or feedback channels, such as U0, U1, U2....

[0094] The existing control channel and feedback channel associated with each uplink subframe are set according to predetermined information, as shown in Table 6, the corresponding relationship between each uplink subframe and its associated...

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Abstract

The invention discloses a method and a system for overcoming confliction between an uplink hybrid automatic retransmission request and burst traffic. The method comprises that: when the burst traffic is produced and a control channel and / or feedback channel associated with one or more uplink sub-frames in an uplink HARQ process between a base station and a terminal are / is unavailable, the base station changes the unavailable control channel associated with the uplink sub-frame into an available control channel before the unavailable control channel and changes the unavailable feedback channelassociated with the uplink sub-frame into an available feedback channel behind the unavailable feedback channel; new association relationships between the uplink sub-frame and the changed control channel and / or the changed feedback channel are transmitted to the terminal through a broadcast channel; and the terminal and the base station both utilize the control channel and / or the feedback channelassociated with the uplink sub-frame to perform the uplink HARQ process according to the new association relationships. Through the method and the system, the problem of the confliction between the burst traffic and the control channel and / or the feedback channel in the performed uplink HARQ process is solved.

Description

technical field [0001] The present invention relates to the field of communications, in particular to a method and system for overcoming conflicts between uplink Hybrid Automatic Retransmission Request (HARQ, Hybrid Automatic Retransmission Request) and burst services. Background technique [0002] Hybrid Automatic Repeat Request (HARQ) is a technology proposed to overcome the influence of wireless mobile channel time-varying and multipath fading on signal transmission. It is implemented by using the two technologies of Forward Error Correction (FEC, Forward Error Correction) in combination. The HARQ technology can enable the wireless mobile communication system to obtain higher system throughput and higher system stability, and it is the 3G Long Term Evolution (LTE, Long Term Evolution) system and the World Interoperability for Microwave Access (WiMAX, World Interoperability for One of the key technologies in the Microwave Access) system. [0003] In the TDD-OFDM (Time Di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/18
CPCH04L1/1854H04L1/1887
Inventor 王军虎
Owner ZTE CORP
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