Method for transmitting data, base station and user equipment

A technology for transmitting data and base stations, which is applied in the field of communication and can solve the problem of high control information overhead of time-frequency resources

Active Publication Date: 2020-11-10
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] In view of this, the embodiments of the present invention provide a data transmission method, base station and user equipment, by planning the time-frequency resources occupied by the control channel and the time-frequen

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  • Method for transmitting data, base station and user equipment
  • Method for transmitting data, base station and user equipment
  • Method for transmitting data, base station and user equipment

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Embodiment Construction

[0097] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Obviously, the described embodiments are part 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 shall fall within the protection scope of the present invention.

[0098] It should be understood that the technical solutions of the embodiments of the present invention can be applied to various communication systems, for example: Global System of Mobile communication (Global System of Mobile communication, referred to as "GSM") system, Code Division Multiple Access (Code Division Multiple Access, referred to as "GSM") system CDMA") system, Wideband Code Division Multiple Access (referred to as "WCDMA") system, General P...

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Abstract

This application proposes a method of transmission data, including the current time period of the first transmission time interval of the current control channel at the end of the current control channel. The first TTI includes at least two time periods.At least two time periods of each time period, the starting time of the data channel corresponding to the control channels of the control channel is located in different TTIs;The control information of the carrier, the control information is used to dispatch the current data channel corresponding to the current control channel; the base station determines the second TTI at the beginning of the current data channel;TTI interacts with the current data channel with the user device on TTI.Therefore, the method described in this application reduces the overhead of the control information used to indicate time -frequency resources by regulating the time -frequency resources in the system.

Description

technical field [0001] The present invention relates to the communication field, in particular to a data transmission method, base station and user equipment in the communication field. Background technique [0002] In the existing Long Term Evolution ("LTE") system, the downlink control channel includes a physical downlink control channel (Physical Downlink Control Channel, "PDCCH" for short) and an enhanced physical downlink control channel (Enhanced PDCCH, "PDCCH" for short). EPDCCH") two types of channels. The time-frequency resource occupied by the PDCCH channel is in the first 1 to 4 symbols of a Transmission Time Interval (Transmission Time Interval, referred to as "TTI"), through the physical control format indicator channel (Physical Control Format Indicator Channel, referred to as "PCFICH") channel Or high-level signaling information is determined and occupies the entire system bandwidth. However, the time-frequency resources occupied by the EPDCCH channel occupy...

Claims

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Application Information

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IPC IPC(8): H04W72/04
CPCH04W72/1263H04W72/12H04W72/20H04W72/0446H04W72/23H04W72/044
Inventor 花梦胡文权焦淑蓉
Owner HUAWEI TECH CO LTD
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