DOWNLINK INFORMATION PROCESSING METHOD AND DEVICE

• US 20160021623A1
• Filed: 09/28/2015
• Published: 01/21/2016
• Est. Priority Date: 04/03/2013
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: GUO, Fangfu, XU, Xiaoying, CHEN, Dong
• Granted Patent: US 10,321,414 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04L 1/1887 Scheduling and prioritising arrangements
• CPC Class Codes: H04M 1/725 Cordless telephones user interfaces specially adapted therefor H04M1/724
• CPC Class Codes: H04W 36/00692 using simultaneous multiple data streams, e.g. cooperative multipoint [CoMP], carrier aggregation [CA] or multiple input multiple output [MIMO] allocation of physical resources in CoMP or in CA H04L5/0035
• CPC Class Codes: H04W 36/18 for allowing seamless reselection, e.g. soft reselection
• CPC Class Codes: H04W 52/143 Downlink power control
• CPC Class Codes: H04W 52/146 Uplink power control
• CPC Class Codes: H04W 52/247 where the output power of a terminal is based on a path parameter sent by another terminal
• CPC Class Codes: H04W 52/248 where transmission power control commands are generated based on a path parameter
• CPC Class Codes: H04W 52/265 taking into account the quality of service QoS
• CPC Class Codes: H04W 52/386 centralized, e.g. when the radio network controller or equivalent takes part in the power control
• CPC Class Codes: H04W 52/44 in connection with interruption of transmission
• CPC Class Codes: H04W 72/21 in the uplink direction of a wireless link, i.e. towards the network
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

Embodiments of the present invention provide a downlink information processing method and a device. The method includes: determining, by UE, whether a communication link between a cell in an active set and the UE meets a preset communication quality requirement; and if the communication link between the cell in the active set and the UE does not meet the preset communication quality requirement, stopping, by the UE, processing downlink information that is sent from a base station by using the communication link; therefore, transmission performance of the UE is not affected.

Claims

1. A downlink information processing method, comprising:

receiving, by user equipment (UE), stop indication information sent from a network side device, wherein the stop indication information is used for instructing the UE to stop processing downlink information that is sent from a base station by using a communication link between a cell in an active set and the UE; and

stopping, by the UE according to the stop indication information, processing the downlink information that is sent from the base station by using the communication link.

2. The method according to claim 1, wherein the receiving, by UE, stop indication information sent from a network side device further comprises one of:

receiving, by the UE, the stop indication information sent from the base station; and

receiving, by the UE, the stop indication information sent from a radio network controller (RNC).

3. The method according to claim 1, wherein after the stopping, by the UE according to the stop indication information, processing the downlink information that is sent from the base station by using the communication link, the method further comprises:

receiving, by the UE, resumption indication information sent from the network side device, wherein the resumption indication information is used for instructing the UE to resume processing the downlink information that is sent from the base station by using the communication link; and

resuming, by the UE according to the resumption indication information, processing the downlink information that is sent from the base station by using the communication link.

4. The method according to any one of claim 1, wherein the stopping, by the UE, processing the downlink information that is sent from the base station by using the communication link further comprises at least one of:

stopping, by the UE, processing a transmit power control (TPC) command that is sent from the base station by using the communication link; and

stopping, by the UE, processing a dedicated physical control channel (DPCCH)/dedicated physical data channel (DPDCH)/F-dedicated physical channel (DPCH)/enhanced dedicated channel relative grant channel (E-RGCH)/enhanced dedicated channel hybrid automatic repeat request acknowledgment indicator channel (E-HICH) that is sent from the base station by using the communication link.

5. The method according to claim 4, wherein the stopping, by the UE, processing a dedicated physical control channel (DPCCH)/dedicated physical data channel (DPDCH)/F-dedicated physical channel (DPCH)/enhanced dedicated channel relative grant channel (E-RGCH)/enhanced dedicated channel hybrid automatic repeat request acknowledgment indicator channel (E-HICH) that is sent from the base station by using the communication link further comprises one of:

stopping, by the UE, receiving the DPCCH/DPDCH/F-DPCH/E-RGCH/E-HICH that is sent from the base station by using the communication link;

receiving, by the UE, a DPDCH that is sent from the base station by using the communication link, and stopping using a signal on the DPDCH in combination processing;

receiving, by the UE, a DPCCH/DPDCH/F-DPCH that is sent from the base station by using the communication link, and stopping using a signal on the DPCCH/DPDCH/F-DPCH in signal to interference ratio (SIR) evaluation;

receiving, by the UE, an E-RGCH that is sent from the base station by using the communication link, and stopping using a relative grant signal on the E-RGCH in combination processing;

receiving, by the UE, an E-RGCH that is sent from the base station by using the communication link, and stopping sending relative grant information on the E-RGCH to an upper layer of the UE;

receiving, by the UE, an E-HICH that is sent from the base station by using the communication link, and stopping using a feedback signal on the E-HICH in combination processing; and

receiving, by the UE, an E-HICH that is sent from the base station by using the communication link, and stopping sending feedback information on the E-HICH to an upper layer of the UE.

6. The method according to any one of claim 1, wherein before the receiving, by user equipment (UE), stop indication information sent from a network side device, the method further comprises:

sending, by the UE, capability indication information to the network side device, wherein the capability indication information is used for indicating that the UE has a capability of stopping processing the downlink information and/or resuming processing the downlink information.

7. User equipment UE, comprising:

a receiver, configured to receive stop indication information sent from a network side device, wherein the stop indication information is used for instructing the UE to stop processing downlink information that is sent from a base station by using a communication link between a cell in an active set and the UE; and

a processor, configured to stop, according to the stop indication information, processing the downlink information that is sent from the base station by using the communication link.

8. The UE according to claim 7, wherein the receiver is further configured to receive the stop indication information sent from the base station;

or receive the stop indication information sent from a radio network controller (RNC).

9. The UE according to claim 7, wherein the receiver is further configured to:

after the processor stops, according to the stop indication information, processing the downlink information that is sent from the base station by using the communication link, receive resumption indication information sent from the network side device, wherein the resumption indication information is used for instructing the UE to resume processing the downlink information that is sent from the base station by using the communication link; and

the processor is further configured to resume, according to the resumption indication information, processing the downlink information that is sent from the base station by using the communication link.

10. The UE according to claim 7, wherein the processor is further configured to stop processing a transmit power control (TPC) command that is sent from the base station by using the communication link.

11. The UE according to claim 7, wherein the processor is further configured to stop processing a dedicated physical control channel (DPCCH)/dedicated physical data channel (DPDCH)/F-dedicated physical channel (DPCH)/enhanced dedicated channel relative grant channel (E-RGCH)/enhanced dedicated channel hybrid automatic repeat request acknowledgment indicator channel (E-HICH) that is sent from the base station by using the communication link.

12. The UE according to claim 11, wherein

the processor is further configured to stop receiving the DPCCH/DPDCH/F-DPCH/E-RGCH/E-HICH that is sent from the base station by using the communication link;

or

the receiver is further configured to receive a DPDCH that is sent from the base station by using the communication link, and the processor is further configured to stop using a signal on the DPDCH in combination processing;

or

the receiver is further configured to receive a DPCCH/DPDCH/F-DPCH that is sent from the base station by using the communication link, and the processor is further configured to stop using a signal on the DPCCH/DPDCH/F-DPCH in signal to interference ratio (SIR) evaluation;

or

the receiver is further configured to receive an E-RGCH that is sent from the base station by using the communication link, and the processor is further configured to stop using a relative grant signal on the E-RGCH in combination processing;

or

the receiver is further configured to receive an E-RGCH that is sent from the base station by using the communication link, and the processor is further configured to stop sending relative grant information on the E-RGCH to an upper layer of the UE;

or

the receiver is further configured to receive an E-HICH that is sent from the base station by using the communication link, and the processor is further configured to stop using a feedback signal on the E-HICH in combination processing;

or

the receiver is further configured to receive an E-HICH that is sent from the base station by using the communication link, and the processor is further configured to stop sending feedback information on the E-HICH to an upper layer of the UE.

13. The UE according to any one of claim 7, further comprising:

a transmitter, configured to;

before the receiver receives the stop indication information sent from the network side device, send capability indication information to the network side device, wherein the capability indication information is used for indicating that the UE has a capability of stopping processing the downlink information and/or resuming processing the downlink information.

14. A downlink information control method, comprising:

when a serving cell of user equipment (UE) is a micro cell, determining, by a radio network controller (RNC), whether a communication link between a cell in an active set and the UE meets a preset communication quality requirement; and

if the communication link between the cell in the active set and the UE does not meet the preset communication quality requirement, sending, by the RNC, a first indication message to a base station, wherein the first indication message is used for instructing the base station to stop sending a transmit power control (TPC) command to the UE by using the communication link.

15. The method according to any one of claim 14, wherein the first indication message is further used for instructing the base station to stop processing a TPC command that is sent from the UE by using the communication link or stop receiving information that is sent from the UE by using the communication link.

16. A downlink information control method, comprising:

when a serving cell of user equipment (UE) is a micro cell, receiving, by a base station, a first indication message sent from a radio network controller (RNC), wherein the first indication message is used for instructing the base station to stop sending a transmit power control (TPC) command to the UE by using a communication link between a cell in an active set and the UE; and

stopping, by the base station according to the first indication message, sending the TPC command to the UE by using the communication link.

17. The method according to claim 16, wherein the first indication message is further used for instructing the base station to stop processing a TPC command that is sent from the UE by using the communication link or stop receiving information that is sent from the UE by using the communication link;

and

after the receiving, by a base station, a first indication message sent from an RNC, the method further comprises;

according to the first indication message, stopping, by the base station, processing the TPC command that is sent from the UE by using the communication link or stopping receiving the information that is sent from the UE by using the communication link.

18. A radio network controller (RNC), comprising:

a processor, configured to;

when a serving cell of user equipment (UE) is a micro cell, determine whether a communication link between a cell in an active set and the UE meets a preset communication quality requirement; and

a transmitter, configured to;

if the communication link between the cell in the active set and the UE does not meet the preset communication quality requirement, send a first indication message to a base station, wherein the first indication message is used for instructing the base station to stop sending a transmit power control (TPC) command to the UE by using the communication link.

19. The RNC according to claim 18, wherein the first indication message is further used for instructing the base station to stop processing a TPC command that is sent from the UE by using the communication link or stop receiving information that is sent from the UE by using the communication link.

20. A base station, comprising:

a receiver, configured to;

when a serving cell of user equipment (UE) is a micro cell, receive a first indication message sent from a radio network controller (RNC), wherein the first indication message is used for instructing the base station to stop sending a transmit power control (TPC) command to the UE by using a communication link between a cell in an active set and the UE; and

a processor, configured to stop, according to the first indication message, sending the TPC command to the UE by using the communication link.

21. The base station according to claim 20, wherein the first indication message is further used for instructing the base station to stop processing a TPC command that is sent from the UE by using the communication link or stop receiving information that is sent from the UE by using the communication link;

and

the processor is further configured to;

after the receiver receives the first indication message sent from the RNC, according to the first indication message, stop processing the TPC command that is sent from the UE by using the communication link or stop receiving the information that is sent from the UE by using the communication link.