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UE discontinuous reception control method and device, storage medium, terminal

A discontinuous reception and control method technology, applied in the field of terminal, storage medium, UE discontinuous reception control method and device, can solve the problem of difficulty in exerting the power saving advantage of the DRX mechanism, and achieves saving terminal power consumption and power consumption Effect

Active Publication Date: 2021-06-25
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 the power saving advantage of the DRX mechanism

Method used

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

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Embodiment Construction

[0031] 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.

[0032] 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).

[0033] Specifically, when the UE in the connected state is in the DRX mode, its parameters and characteristics are as follows:

[0034] (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 c...

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Abstract

A UE discontinuous reception control method and device, storage medium, and terminal, the control method includes: in the connected state, after the discontinuous reception HARQ round-trip time timer expires, determine whether it is in the inactive state; when in the non-continuous reception When in the active state, it remains in the inactive state and does not start the discontinuous reception retransmission timer. Through the technical solution provided by the invention, based on the long round-trip delay characteristic of the non-terrestrial communication network, the power consumption of the UE can be saved more effectively.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, and in particular to a UE discontinuous reception control method and device, a storage medium, and a terminal. 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, RTT for short) is relatively long...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W76/28H04L1/18
CPCH04L1/1812H04L1/1848H04L1/188H04W76/28Y02D30/70
Inventor 顾祥新
Owner SPREADTRUM COMM (SHANGHAI) CO LTD