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Base station, user equipment and method for retransmitting downlink control information

A technology for controlling information and user equipment, which is applied in transmission path sub-channel allocation, error prevention/detection through transmission repetition, signaling allocation, etc., and can solve problems such as lower success rate of downlink control information

Pending Publication Date: 2019-12-24
INSTITUTE FOR INFORMATION INDUSTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Similarly, according to formula (1), in order to improve resource utilization, the number of user equipment supported by the physical downlink control channel can be increased, but relatively, the number of retransmissions R must be reduced, which makes each user equipment The success rate of decoding the downlink control information required by it is reduced

Method used

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  • Base station, user equipment and method for retransmitting downlink control information
  • Base station, user equipment and method for retransmitting downlink control information
  • Base station, user equipment and method for retransmitting downlink control information

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Embodiment Construction

[0046] The following will illustrate the specific implementation of the invention disclosed herein with various embodiments, but the various embodiments described below are not intended to limit the invention to the described environment, application, structure, process or steps. can implement. In the drawings, elements not directly related to the present invention have been omitted. In the drawings, the size of each element and the ratio between each element are just examples, not intended to limit the present invention. Unless otherwise specified, in the following content, the same (or similar) element symbols may correspond to the same (or similar) elements.

[0047] figure 1 is a schematic diagram of a wireless communication system in one or more embodiments. figure 1 What is shown is by way of illustration of the embodiments only, not limitation.

[0048] refer to figure 1 , the wireless communication system 1 can be various wireless communication systems, such as bu...

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Abstract

The invention discloses a base station, user equipment and a method for retransmitting downlink control information. The base station compresses a plurality of pieces of downlink control information respectively corresponding to a plurality of pieces of user equipment into a single piece of compressed downlink control information, and repeatedly transmits the compressed downlink control information to the plurality of pieces of user equipment in a downlink control channel. And the user equipment receives and decompresses the compressed the downlink control information from the base station ina downlink control channel so as to acquire the downlink control information related to the user equipment.

Description

technical field [0001] The present disclosure relates to a base station, user equipment and a method for retransmitting downlink control information. More specifically, the present disclosure relates to a base station that compresses a plurality of downlink control information, a user equipment that decompresses the compressed downlink control information, and a method for retransmitting the downlink control information. Background technique [0002] In a wireless communication system, user equipment (User Equipment) may not be able to successfully decode the corresponding Downlink Control Information (DCI). In this regard, the base station can repeatedly transmit (repetition) the required downlink control information for each user equipment on the physical downlink control channel (Physical Downlink Control Channel, PDCCH), so as to improve each user equipment to decode the required downlink control information. information success rate. For example, under the traditiona...

Claims

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Application Information

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IPC IPC(8): H04W28/06H04L5/00
CPCH04W28/06H04W28/065H04L5/0053H04L1/08H04W72/23H04W72/542
Inventor 陈立胜高继贤马进国曾圣嘉黄永信
Owner INSTITUTE FOR INFORMATION INDUSTRY
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