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A data transmission method and device

A technology of data transmission and equipment, applied in the field of communication, can solve the problems of high power consumption and low efficiency of blind detection

Active Publication Date: 2020-05-15
上海朋邦实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, when the user equipment performs blind detection, it performs blind detection in the search space according to various possible scheduling control channel lengths, resulting in low efficiency of user equipment blind detection and excessive power consumption

Method used

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  • A data transmission method and device
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  • A data transmission method and device

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Embodiment Construction

[0084] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0085] Embodiments of the present invention provide a data transmission device, refer to figure 1 As shown, the device 101 includes a receiving unit 1011 and a processing unit 1012 .

[0086] Wherein, the receiving unit 1011 is configured to receive scheduling control channel length information, the scheduling control channel length information includes the number of physical resource units occupied by the scheduling control channel, and the sche...

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Abstract

The invention discloses a data transmission method and device, relates to the field of communication, and can solve the problems of low efficiency and excessive power consumption when a user equipment performs blind detection on a scheduling control channel. The specific scheme is as follows: the first device receives the length information of the scheduling control channel, the first device performs blind detection according to the length information of the scheduling control channel in the preset search space, and after the first device detects the scheduling control channel corresponding to the length information of the scheduling control channel, The resource allocation information carried by the scheduling control channel is acquired, and the present invention is used for data transmission.

Description

technical field [0001] The present invention relates to the communication field, in particular to a data transmission method and equipment. Background technique [0002] In the downlink transmission of the LTE (English: Long Term Evolution; abbreviation: long-term evolution) communication system, eNB (English: evolved Node B; abbreviation: evolved base station) usually performs data transmission in units of subframes, and the length of a subframe is 1 millisecond, a subframe includes a Physical Downlink Shared Channel (English: Physical Downlink Shared Channel; PDSCH for short) area and a Physical Downlink Control Channel (English: Physical Downlink Control Channel; PDCCH for short) area, where the PDSCH is used to carry the eNB For the data sent to the user equipment, the PDCCH is used to carry the resource allocation information sent by the eNB to the user equipment. In order to reasonably utilize the physical resources of the PDCCH area, the eNB divides the PDCCH area in...

Claims

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Application Information

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IPC IPC(8): H04W24/00
CPCH04W24/10H04L1/0046H04L1/0072Y02D30/70H04L1/0038H04W72/20H04W72/0446H04W72/12
Inventor 韩广林熊新
Owner 上海朋邦实业有限公司