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Transmission scheduling method, user equipment and base station

A user equipment, transmission scheduling technology, applied in the field of communication, can solve the problem of no solution, UE can not communicate with the base station, etc.

Active Publication Date: 2020-06-05
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no feasible solution for the UE applying sTTI scheduling to deal with the Hybrid Automatic Repeat Request (HARQ) process, which causes the UE applying sTTI scheduling to be unable to communicate with the base station

Method used

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  • Transmission scheduling method, user equipment and base station
  • Transmission scheduling method, user equipment and base station
  • Transmission scheduling method, user equipment and base station

Examples

Experimental program
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Embodiment Construction

[0042] In a long term evolution (Long Term Evolution, LTE) communication system, a base station schedules transmission of downlink data and transmission of uplink data through downlink control signaling (Downlink Control Information, DCI) in a subframe. For example, for the transmission of downlink data, the base station indicates to the user equipment (User Equipment, UE) the resource configuration information for downlink data transmission (including modulation and coding format, location information of allocated physical resource blocks, etc.) After deciphering its own DCI, it receives data on the Physical Downlink Shared Channel (PDSCH) according to the resource configuration information contained in it. If the UE can decipher the data correctly, the UE will receive data in a certain subframe n+k(k> =4) Send an acknowledgment character (Acknowledgment, ACK); if the UE cannot decode the data, the UE needs to feed back a negative acknowledgment character (Negative Acknowledgm...

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PUM

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Abstract

The invention relates to a transmission scheduling method, user equipment and a base station. The transmission scheduling method comprises the steps of sending capability information to the base station, wherein the capability information comprises information of a short transmission time interval capable of being supported by itself, and the short transmission time interval is less than 1ms; receiving corresponding parameters configured by the base station when data transmission is performed by adopting the short transmission time interval; determining the quantity of hybrid repeat request processes required to be maintained according to the short transmission time interval and scheduling delay corresponding to the short transmission time interval, and maintaining the hybrid repeat request processes according to the quantity; and configuring information scheduled by the base station according to the short transmission time interval and the scheduling delay. The scheme can solve a problem of how to process the HARQ (Hybrid Automatic Repeat Request) process by UE applying sTTI (Short Transmission Time Interval) scheduling, and thus realizes communication between the UE applying sTTI scheduling and the base station.

Description

technical field [0001] The present invention relates to the communication field, in particular to a transmission scheduling method, user equipment and a base station. Background technique [0002] In a long term evolution (Long Term Evolution, LTE) communication system, a base station schedules transmission of downlink data and transmission of uplink data through downlink control signaling (Downlink Control Information, DCI) in a subframe. For example, for the transmission of downlink data, the base station indicates to the user equipment (User Equipment, UE) the resource configuration information for downlink data transmission (including modulation and coding format, location information of allocated physical resource blocks, etc.) After deciphering its own DCI, it receives data on the Physical Downlink Shared Channel (PDSCH) according to the resource configuration information contained in it. If the UE can decipher the data correctly, the UE will receive data in a certain ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/12H04L1/18
CPCH04L1/1812H04L1/1825H04W72/121H04W72/1221H04W72/1263
Inventor 邓云
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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