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Data transmission method and user device

A data sending method and technology for user equipment, applied in the field of data sending method and user equipment, can solve the problem of increasing the delay of high-priority data transmission, and achieve the effect of avoiding the increase of delay

Inactive Publication Date: 2013-03-13
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] If the UE processes the UL Grant received in the same TTI (Transmission Timer Interval, transmission time interval) in any order, including RAR (Random Access Response, random access response) UL Grant, PDCCH (Physical Downlink Control Channel, physical downlink Control channel) C-RNTI (Cell-Radio Network Temporary Identifier, cell radio network temporary identifier) ​​UL Grant and SPS (Semi-Persistent Scheduling, semi-persistent scheduling) C-RNTI UL Grant, then the UE may multiplex high-priority data On transmission blocks with relatively high latency, the transmission latency of high-priority data increases

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  • Data transmission method and user device

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Embodiment Construction

[0028] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0029] Before introducing the data sending method provided by the present invention, first briefly introduce the basic parameters involved in the present invention:

[0030] In an LTE system, in order for the eNodeB to perceive the state of the UE's uplink radio link, the eNodeB can configure uplink resource authorization for the UE to send an uplink reference signal SRS (Sounding Reference Signal, uplink reference signal). SRS is sent on authorization.

[0031] In the carrier aggregation scenario, the UE can receive the RAR UL Grant through the RAR on a carrier or cell that initiates the RA (Random Access) process, and the UE can receive the PDCCH dynamic scheduling on other carriers at the same time. PDCCH C-RNTI UL Grant, or receiv...

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Abstract

The invention discloses a data transmission method and a user device, and belongs to the mobile communication field. The method comprises receiving at least two parts of uplink resource authorization allocated by a base station; combining uplink resource authorization received at different moments in the at least two parts of uplink resource authorization to obtain reuse resources; and reusing data to be transmitted in transmission blocks corresponding to the reuse resources. The user device comprises a receiving module, a processing module and a transmission module. An embodiment of the data transmission method and the user device groups the uplink resource authorization according to transmission moments of the transmission blocks corresponding to the uplink resource authorization to determine the reuse resources, transmits the transmission blocks corresponding to the uplink resource authorization after data reuse is grouped to enable user experience (UE) to determine delay situations of the uplink resources according to transmission moments, and adjusts reuse sequences according to probable delay to avoid delay increases during high-priority data transmission.

Description

technical field [0001] The invention relates to the field of mobile communication, in particular to a data sending method and user equipment. Background technique [0002] In an LTE (Long Term Evolution, long-term evolution) system, when a new transmission needs to be performed, an LCP (Logical Channel Prioritization, logical channel priority multiplexing) process needs to be applied in a multiplexing (Multiplexing) process. When UE (User Equipment, user equipment) receives multiple uplink resources or UL Grant (Uplink Grant, uplink resource grant), UE can choose to multiplex the received UL Grants in any order, and send the UL Grants to be sent through the LCP process The content is multiplexed on the TB (Transport Block, transport block) corresponding to the UL Grant, and the UE can carry the data to be sent from the logical channel with the MAC (Medium Access Control, Medium Access Control) CE (Control Element, control unit) on any TB. [0003] After analyzing the prior...

Claims

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Application Information

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IPC IPC(8): H04W72/12
CPCH04L5/00H04W72/1242H04W72/042H04W72/1289H04W72/10H04W72/12H04L5/0007H04L5/0044H04L5/0064H04W72/569H04W72/23H04W72/56
Inventor 韩广林张戩
Owner HUAWEI TECH CO LTD
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