Discontinuous reception dynamic configuration method, terminal and base station

Patent metadata

Field	Value
Publication number	US-9491702-B2
Application number	US-201314398228-A
Country	US
Kind code	B2
Filing date	May 7, 2013
Priority date	May 10, 2012
Publication date	Nov 8, 2016
Grant date	Nov 8, 2016

Abstract

The embodiment of the present document discloses a method, terminal and base station for dynamically configuring Discontinuous Reception (DRX), which enable the base station dynamically configure a DRX short cycle with a low expense, and enable the terminal be adapted to the power saving demand for different data services. The terminal executes the following processing: receiving a DRX cycle using instruction transmitted by the base station; using a long DRX cycle if determining that the received DRX cycle using instruction is a long DRX cycle using instruction. The base station executes the following processing: when the base station determines that the UE needs to use the long DRX cycle according to data arriving regular of the terminal, transmitting the long DRX cycle using instruction to the UE. The terminal includes a receiving module and a DRX module.

First claim

I claim:

1. A method for dynamically configuring Discontinuous Reception (DRX), comprising:
a terminal (UE) receiving a DRX cycle using instruction transmitted by a base station; and
if the UE determines that a received DRX cycle using instruction is a long DRX cycle using instruction, then using a long DRX cycle; wherein:
the UE uses the long DRX cycle, comprising: the UE using the long DRX cycle statically according to content of the long DRX cycle using instruction or according to an agreed configuration with a network side; wherein, the using the long DRX cycle statically refers to that the UE stops using a short DRX cycle and uses the long DRX cycle all the time;
wherein,
if the UE is using the short DRX cycle when receiving the long DRX cycle using instruction, then the UE uses the long DRX cycle statically, comprising: the UE stopping using the short DRX cycle, after a current short DRX cycle is completed, to use the long DRX cycle all the time;
if a DRX inactivity timer is running when the UE receives the long DRX cycle using instruction, then the UE uses the long DRX cycle statically, comprising: the UE stopping using the short DRX cycle, after the DRX inactivity timer is overtime or the UE receives DRX command media access control layer control information unit (command MAC CE), to use the long DRX cycle all the time;
if the UE is using the long DRX cycle when receiving the long DRX cycle using instruction, then the UE uses the long DRX cycle statically, comprising: the UE stopping using the short DRX cycle, after the DRX inactivity timer is overtime next time or the DRX command MAC CE is received next time, to use the long DRX cycle all the time; and

wherein, the UE stops using the short DRX cycle, comprising: the UE setting a DRX short cycle timer as 0 or as overtime.

2. The method according to claim 1 , wherein:
the UE uses the long DRX cycle, comprising: the UE using the long DRX cycle dynamically according to the content of the long DRX cycle using instruction or according to the agreed configuration with the network side; wherein, the using the long DRX cycle dynamically refers to that the UE stops using the short DRX cycle and only uses the long DRX cycle only in a preset time, and resumes using the short DRX cycle after the preset time is arrived.

3. The method according to claim 2 , further comprising:
the UE setting a dynamic long DRX cycle using timer to judge whether the preset time is arrived, wherein, the dynamic long DRX cycle using timer starts to count when the UE starts to use the long DRX cycle; or starts to count when the DRX inactivity timer is overtime first time or the DRX command MAC CE is received first time after the UE starts to use the long DRX cycle;
wherein the preset time is: an integral multiple time of a subframe; or an integral multiple time of the long DRX cycle; or a number of times that the DRX inactivity timer is overtime or a number of times that the UE receives the DRX command MAC CE;
or,
the preset time is configured to the UE by the base station through a radio resource control (RRC) dedicated signaling or a media access control (MAC) signaling;
wherein, if the UE is using the short DRX cycle when receiving the long DRX cycle using instruction, then the UE uses the long DRX cycle dynamically, comprising: the UE stopping using the short DRX cycle to use the long DRX cycle when a next DRX cycle starts, and resuming using the short DRX cycle when the DRX inactivity timer is overtime last time or the DRX command MAC CE is received last time after the preset time is arrived;
if the DRX inactivity timer is running when the UE receives the long DRX cycle using instruction, then the UE uses the long DRX cycle dynamically, comprising: the UE stopping using the short DRX cycle to use the long DRX cycle after the DRX inactivity timer is overtime or the UE receives the DRX command MAC CE, and resuming using the short DRX cycle when the DRX inactivity timer is overtime last time or the DRX command MAC CE is received last time after the preset time is arrived;
if the UE is using the long DRX cycle when receiving the long DRX cycle using instruction, then the UE uses the long DRX cycle dynamically, comprising: the UE stopping using the short DRX cycle to use the long DRX cycle after the DRX inactivity timer is overtime next time or the DRX command MAC CE is received next time; and resuming using the short DRX cycle when the DRX inactivity timer is overtime last time or the DRX command MAC CE is received last time after the preset time is arrived.

4. The method according to claim 1 , further comprising:
if the DRX cycle using instruction received by the UE is a short DRX cycle using instruction, then using the short DRX cycle;
wherein, after the UE receives the short DRX cycle using instruction, the method further comprises: the UE determining that the long DRX cycle using instruction is received before receiving this short DRX cycle using instruction, then the UE determining that the long DRX cycle using instruction fails, and the UE resuming using the short DRX cycle;
or, the UE uses the short DRX cycle, comprising: using the short DRX cycle when the UE determines that the DRX inactivity timer is overtime or the UE receives the DRX command MAC CE.

5. The method according to claim 1 , further comprising:
after receiving the long DRX cycle using instruction, the UE receiving a RRC connection reconfiguration signaling including a short DRX cycle configuration parameter, then the UE determining that the long DRX cycle using instruction fails, and the UE using the short DRX cycle according to the short DRX cycle configuration parameter included in the RRC connection reconfiguration signaling.

6. A method for dynamically configuring Discontinuous Reception (DRX), comprising:
a base station transmitting a long DRX cycle using instruction to a terminal (UE) when determining that the UE needs to use the long DRX cycle according to a data arriving regular of the UE;
transmitting a short DRX cycle using instruction to the UE when the base station determines that the UE needs to use the short DRX cycle according to the data arriving regular of the UE;
wherein,
the base station transmitting a RRC connection reconfiguration signaling including a short DRX cycle configuration parameter to the UE, used for indicating the UE to use the short DRX cycle according to the short DRX cycle configuration parameter;
the base station transmitting the short DRX cycle using instruction to the UE through the RRC dedicated signaling or the MAC signaling; and

the base station comprises: an evolved node B, or a wireless network controller.

7. The method according to claim 6 , wherein:
the long DRX cycle using instruction comprises: a statically valid long DRX cycle using instruction or a dynamically valid long DRX cycle using instruction;
the base station comprises: an evolved node B, or a wireless network controller.

8. The method according to claim 6 , wherein:
the base station transmitting the long DRX cycle using instruction to the UE through a RRC dedicated signaling or a MAC signaling;
the base station comprises: an evolved node B, or a wireless network controller.

9. A terminal for realizing dynamically configuring Discontinuous Reception (DRX), comprising a processor for executing steps of a receiving module and a DRX module, wherein:
the receiving module is configured to receive a DRX cycle using instruction transmitted by a base station; and
the DRX module is configured to: if determining that the DRX cycle using instruction received by the receiving module is a long DRX cycle using instruction, then use a long DRX cycle; wherein:
the DRX module is configured to use the long DRX cy

Assignees

• Zte Corp

Inventors

• Dai Qian

Classifications

• H04W16/10

  Dynamic resource partitioning · CPC title

• H04W76/048

  Electricity · mapped topic

• H04W52/0225 Primary

  using monitoring of external events, e.g. the presence of a signal · CPC title

• Y02B60/50

  Cross-Sectional Technologies · mapped topic

• H04W52/0216 Primary

  using a pre-established activity schedule, e.g. traffic indication frame · CPC title