Sending method, receiving method and device of response messages

A technology for replying information and sending methods, which is applied in the field of communication, can solve problems such as no discussion, and achieve the effect of ensuring data transmission and reducing PHICH resource overhead

Active Publication Date: 2013-02-20
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When performing cross-carrier scheduling between serving cells with different subframe ratios, or introducing new subframe ratio settings for new functions, how to effectively reserve and allocate PHICH resources has not been developed in the prior art. discuss

Method used

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  • Sending method, receiving method and device of response messages
  • Sending method, receiving method and device of response messages
  • Sending method, receiving method and device of response messages

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Embodiment Construction

[0038]In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0039] figure 1 A flowchart of an embodiment of the response information sending method provided by the present invention, such as figure 1 As shown, the method includes:

[0040] S101. The network side device sends the first subframe configuration information and the second subframe configuration information to the user equipment, wherein the su...

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PUM

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Abstract

An embodiment of the invention provides a sending method, a receiving method and a device of response messages. The sending method includes sending a first subframe matching message and a second subframe matching message to user equipment (UE); reserving a first PHICH resource collection in a first response subframe collection; reserving a second PHICH resource collection in response subframes without the first PHICH resource collection in the second subframe collection; receiving uplink data sent by the UE, determining response subframes of the uplink data; and if the first PHICH resource collection exists in the response subframes, sending response messages to the UE by using PHICH resources in the first PHICH resource collection, and if the first PHICH resource collection does not exist in the response subframes, sending response messages to the UE by using PHICH resources in the second PHICH resource collection. According to the methods and the device, consumption of the PHICH resources in the system is reduced, and data transmission of the UE is guaranteed.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a method and device for sending and receiving response information. Background technique [0002] In the Time Division Duplex (TDD) system of the Long Term Evolution (LTE) system, one wireless frame supports a variety of different uplink and downlink subframe ratios. For each subframe ratio, the LTE TDD system It also defines the delay time k of the time when the network side equipment feeds back response information to the user equipment (User Equipment; UE) relative to the time when the user equipment sends data PHICH , that is, defines the timing relationship between uplink data transmission and downlink acknowledgment information feedback. [0003] The existing LTE TDD system supports Carrier Aggregation (Carrier Aggregation) technology. A user equipment can simultaneously access one or more component carriers (Component Carriers) to communicate with network-side equi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L1/16H04W28/26H04W72/12
CPCH04L1/16H04W72/1263H04L1/1854H04L1/1812H04W28/26H04W72/12H04L1/1864H04L1/1861H04L1/1607H04L5/0055
Inventor 陈小波官磊
Owner HUAWEI TECH CO LTD
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