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UE discontinuous reception control method and device, UE discontinuous reception indication method and device, storage medium, terminal and base station

A technology of discontinuous reception and control method, which is applied in the field of wireless communication, can solve the problems that it is difficult to take advantage of the power saving advantages of DRX, and achieve the effect of saving terminal power consumption and saving terminal power consumption

Active Publication Date: 2020-03-10
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the DRX mechanism is directly applied to NTN communication with a long RTT time, it will be difficult to take advantage of DRX power saving

Method used

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  • UE discontinuous reception control method and device, UE discontinuous reception indication method and device, storage medium, terminal and base station
  • UE discontinuous reception control method and device, UE discontinuous reception indication method and device, storage medium, terminal and base station
  • UE discontinuous reception control method and device, UE discontinuous reception indication method and device, storage medium, terminal and base station

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Embodiment Construction

[0033] Those skilled in the art understand that, as mentioned in the background art, NTN communication directly adopts the DRX solution in the prior art, and it is difficult to take advantage of the power saving advantage of DRX.

[0034] The inventors of the present application have found through research that in 5G NR communication, the network can configure a Discontinuous Reception (DRX) mode for a User Equipment (UE) in a connected state. A UE in the DRX mode does not need to continuously receive a physical downlink control channel (Physical Downlink Control Channel, PDCCH for short).

[0035] Specifically, when the UE in the connected state is in the DRX mode, its parameters and characteristics are as follows:

[0036](1) Discontinuous reception duration timer (drx-onDurationTimer): From the start slot of the DRX cycle (DRX cycle), the UE is fixed in the active state (active) time. During the running of the timer drx-onDurationTimer, the UE is in the active state and ca...

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Abstract

The invention provides a UE discontinuous reception control and indication method and device, a storage medium, a terminal and a base station, and the control method comprises the steps: determining that an MAC entity expects to obtain the shortest duration of uplink grant in response to a scheduling request after the MAC entity sends the scheduling request; and allocating an SR response round-trip timer to the scheduling request, the timing time of the SR response round-trip timer being equal to the shortest duration, and attempting to leave the active state during operation of the SR response round-trip timer. Through the technical scheme provided by the invention, the power consumption of the terminal can be saved.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, and in particular to a UE discontinuous reception control and indication method and device, a storage medium, a terminal, and a base station. Background technique [0002] The 3rd Generation Partnership Project (3GPP) is researching the fifth-generation mobile communications (The Fifth-Generation mobile communications, 5G) New Radio (NR) non-terrestrial communication network (Non Terrisal) Network, referred to as NTN). The research scope of 5G NTN communication mainly includes Spaceborne vehicle (Geostationary Earth Oribit Satellites, GEO for short) / Medium Earth Oribiting Satellites (MEO for short) / Low Earth Oribit Statellites (Low Earth Oribit Statellites for short) LEO) and airborne vehicle (airbornevehicle) high altitude platform (High Altitude Platforms, referred to as HAPS). The main characteristic of NTN communication is that its round trip time (Round Trip Time, RT...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W52/02
CPCH04W52/0216Y02D30/70H04W52/0229H04W52/028H04W76/28H04W84/06H04L43/0864H04W80/02H04W72/21H04W72/231
Inventor 顾祥新
Owner SPREADTRUM COMM (SHANGHAI) CO LTD