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Response information transmission method and device

A technology of responding to information and information transmission, applied in the field of communication, can solve problems such as large feedback, achieve the effect of suppressing downlink data retransmission, and improving effectiveness and credibility

Active Publication Date: 2018-05-04
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a response information transmission method and device to at least solve the technical problem in the prior art that UE needs to feed back a large amount of ACK / NACK information due to carrier aggregation

Method used

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  • Response information transmission method and device
  • Response information transmission method and device

Examples

Experimental program
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Effect test

Embodiment 1

[0026] Such as figure 1 As shown, the present invention provides a preferred response information transmission device 100, which includes: a determination unit 102, configured to determine the number of carriers configured by the UE; a configuration unit 104, configured to , according to the carrier type and accompanying information transmission state, configure a physical uplink control channel (Physical Uplink Control Channel, PUCCH for short) resource for the UE to transmit response information, wherein the accompanying information transmission state is used to indicate the physical downlink shared channel of the main carrier (Physical Downlink Shared Channel, PDSCH for short) is accompanied by physical downlink control channel (Physical Downlink Control Channel, PDCCH for short) information transmission; the transmission unit 106 is configured to use the configured PUCCH resources to transmit response information.

[0027] In the above preferred implementation manner, when...

Embodiment 2

[0034] based on Figure 1-3 As shown in the preferred response information transmission device, the present invention also provides a preferred response information transmission method, such as Figure 4 As shown, the specific steps of the method include:

[0035] S402: Determine the number of carriers configured by the UE;

[0036] S404: When the number of carriers of the UE is greater than the predetermined threshold, configure a physical uplink control channel PUCCH resource for the UE to transmit response information according to the carrier type and accompanying information transmission status, wherein the accompanying information transmission status is used to indicate the physical downlink of the main carrier Whether the shared channel PDSCH is accompanied by physical downlink control channel PDCCH information transmission;

[0037] S406: Use the configured PUCCH resources to transmit response information.

[0038] In the above preferred implementation manner, when t...

Embodiment 3

[0045] The present invention also provides another preferred response message transmission method, such as Figure 5 As shown, the specific steps include (S502-S512):

[0046] S502: The base station side determines the number of carriers configured for the UE.

[0047] S504: The base station side determines the PUCCH resource, and the specific determination method is:

[0048] The PUCCH resource configuration method for the ACK / NACK feedback of the primary component carrier / cell (Primary Component Carrier / Cell, PCC / PCell for short) is as follows:

[0049] When a PDSCH indicated by a Physical Downlink Control Channel (PDCCH for short) or a downlink SPS release is transmitted in PCC subframe n-4, the corresponding Physical Uplink Control Channel (PUCCH for short) The resources are:

[0050]

[0051] Among them, n CCE，0 It is the number of the first CCE of the PDCCH related to PCC uplink and downlink services.

[0052] When the Physical Downlink Shared Channel (PDSCH) wit...

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Abstract

The present invention discloses a response information transmission method and device, wherein the method includes: determining the number of carriers configured by the UE; when the number of carriers of the UE is greater than a predetermined threshold, configuring the UE for the UE according to the carrier type and the accompanying information transmission state The PUCCH resource for transmitting response information, wherein the accompanying information transmission status is used to indicate whether the PDSCH of the main carrier is accompanied by PDCCH information transmission; the configured PUCCH resource is used to transmit the response information. The present invention solves the problem in the prior art that the UE needs to feed back a large amount of ACK / NACK information due to carrier aggregation, and effectively suppresses unnecessary downlink data retransmission while effectively transmitting and feeding back ACK / NACK information, thereby improving the Validity and reliability of ACK / NACK information transmission.

Description

technical field [0001] The present invention relates to the communication field, in particular, to a method and device for transmitting response information. Background technique [0002] With the rapid development of the Long Term Evolution (abbreviated as LTE) system, the 3GPP has gradually carried out research work on technologies related to LTE-Advanced. Compared with the LTE system, the LTE-Advanced system has greatly improved in terms of key technologies, and successively introduced carrier aggregation technology (CA), relay (Relay) technology, Comp technology, enhanced multi-antenna technology and uplink multi-antenna technology and other technologies. [0003] However, the reason why the carrier aggregation technology is proposed is that in terms of system bandwidth, LTE-Advanced needs to support higher uplink and downlink transmission rates, and the downlink needs to support a data transmission rate of 1Gbps, so the bandwidth needs to reach 100MHz to meet the requi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L1/16H04L1/18
Inventor 费佩燕彭佛才秦洪峰
Owner ZTE CORP
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