METHOD AND DEVICE FOR DETERMINING UPLINK TRANSMISSION INTERRUPTION TIME

• US 20150188793A1
• Filed: 06/05/2013
• Published: 07/02/2015
• Est. Priority Date: 06/05/2012
• Status: Abandoned Application

• Current Assignee: China Academy of Telecom Technology (China Information Communication Technology Group Co. Ltd.)
• Original Assignee: China Academy of Telecom Technology (China Information Communication Technology Group Co. Ltd.)
• Inventors: Zhao, Yali
• Application Number:
  US14/405,783
• Publication Number:
  US 20150188793A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04L 43/0847 Transmission error
• CPC Class Codes: H04L 5/1469 using time-sharing
• CPC Class Codes: H04W 24/08 Testing, supervising or monitoring using real traffic
• CPC Class Codes: H04W 72/02 Selection of wireless resources by user or terminal
• CPC Class Codes: H04W 74/004 in the uplink, i.e. towards network
• CPC Class Codes: H04W 76/28 Discontinuous transmission [DTX]; Discontinuous reception [DRX]

Abstract

Disclosed are a method and device for determining an uplink transmission interruption time. The method comprises: a UE determining an uplink transmission interruption time of each cell aggregated by the UE; within the uplink transmission interruption time of each cell aggregated by the UE, the UE stopping uplink transmission of the cell. In the embodiment of the present invention, the uplink transmission interruption time of each cell aggregated by the UE is determined, so as to clearly determine the uplink transmission interruption time incurred by gap measurement, thereby enabling the UE to know how to stop uplink transmission on each cell.

Claims

1. A method for determining uplink transmission interruption time, comprising:

a User Equipment, UE, determining uplink transmission interruption time of each cell aggregated by the UE; and

the UE stopping, during the uplink transmission interruption time of each cell aggregated by the UE, uplink transmission of the cell.

2. The method according to claim 1, wherein the UE determining the uplink transmission interruption time of each cell aggregated by the UE comprises:

the UE determining uplink transmission interruption time corresponding to all cells aggregated by the UE as the uplink transmission interruption time of each cell;

or

the UE determining the uplink transmission interruption time respectively for each cell aggregated by the UE;

or

the UE determining a transceiver required to perform measurements and aggregated cells served by the transceiver, determining uplink transmission interruption time of the respective aggregated cells served by the transceiver, and determining uplink transmission interruption time of aggregated cells served by other transceivers of the UE to be 0.

3. The method according to claim 2, wherein the UE determining the uplink transmission interruption time corresponding to all the cells aggregated by the UE as the uplink transmission interruption time of each cell comprises:

the UE determining uplink transmission interruption time resulting from a measurement gap over each cell aggregated by the UE according to a duplex mode and/or Time Division Duplex, TDD, uplink/downlink, UL/DL, configuration of the each cell, and determining a union set or an intersection set of the uplink transmission interruption time over all cells as the uplink transmission interruption time of the each cell;

or

the UE determining the uplink transmission interruption time of each cell to be a Measurement Gap Length, MGL, plus a specified value;

or

the UE determining uplink transmission interruption time resulting from a measurement gap according to a reference duplex mode and/or TDD UL/DL configuration, and taking the uplink transmission interruption time as the uplink transmission interruption time of the each cell.

4. The method according to claim 2, wherein the UE determining the uplink transmission interruption time respectively for each cell aggregated by the UE comprises:

the UE determining the uplink transmission interruption time respectively for each cell based upon a set of duplex configurations to which the each cell belongs, wherein the set of duplex configurations includes at least one aggregated cell, and when the set of duplex configurations includes a plurality of cells, the plurality of cells have a same duplex mode and/or TDD UL/DL configuration;

wherein the UE determining the uplink transmission interruption time respectively for each cell based upon the set of duplex configurations to which the each cell belongs comprises;

the UE determining uplink transmission interruption time according to a duplex mode and/or TDD UL/DL configuration in the set of duplex configurations, and taking the uplink transmission interruption time as the uplink transmission interruption time of each cell in the set of duplex configurations;

or

the UE determining uplink transmission interruption time according to a reference duplex mode and/or TDD UL/DL configuration in the set of duplex configurations, and taking the uplink transmission interruption time as the uplink transmission interruption time of each cell in the set of duplex configurations.

5. The method according to claim 2, wherein the UE determining the transceiver required to perform the measurements comprises:

the UE determining a transceiver at a highest frequency as the transceiver required to perform the measurements;

or

the UE determining a transceiver at a lowest frequency as the transceiver required to perform the measurements;

or

the UE receiving explicit configuration information from a base station device to indicate a band corresponding to the transceiver required to perform the measurements, and determining a transceiver corresponding to the band as the transceiver required to perform the measurements.

6. The method according to claim 2, wherein the UE determining the uplink transmission interruption time of the respective aggregated cells served by the transceiver comprises:

the UE determining uplink transmission interruption time resulting from a measurement gap over each aggregated cell served by the transceiver according to a duplex mode and/or TDD UL/DL configuration of the each cell, and taking the determined uplink transmission interruption time as the uplink transmission interruption time corresponding to the each cell;

or

the UE determining uplink transmission interruption time resulting from a measurement gap over each aggregated cell served by the transceiver according to a duplex mode and/or TDD UL/DL configuration of the each cell, and taking a union set of the uplink transmission interruption time over the respective cells as the uplink transmission interruption time of the each cell;

or

the UE determining uplink transmission interruption time resulting from a measurement gap according to a reference duplex mode and/or TDD UL/DL configuration, and taking the uplink transmission interruption time as the uplink transmission interruption time of the respective aggregated cells served by the transceiver.

7. The method according to claim 3, wherein the reference duplex mode and/or TDD UL/DL configuration includes:

a duplex mode and/or a TDD UL/DL configuration of a PCell;

or

a duplex mode and/or a TDD UL/DL configuration prescribed by a base station device and the UE;

or

a duplex mode and/or a TDD UL/DL configuration configured by an Operation Administration and Maintenance, OAM;

or

a duplex mode and/or a TDD UL/DL configuration notified by the base station device to the UE via an explicit signaling.

8. The method according to claim 1, wherein the UE stopping, during the uplink transmission interruption time of each cell aggregated by the UE, the uplink transmission of the cell comprises:

the UE stopping, during the uplink transmission interruption time of each cell aggregated by the UE, transmitting one or any combination of the following information over the cell;

a Physical Uplink Shared Channel, PUSCH, a Physical Uplink Control Channel, PUCCH, a Physical Random Access Channel, PRACH, and a Sounding Reference Signal, SRS;

wherein the PUCCH includes one or any combination of the following information;

a Channel Quality Indicator, CQI, a Pre-coding Matrix Indicator, PMI, a Rank Indication, RI, a Scheduling Request, SR, and a Hybrid Automatic Repeat Request, HARQ, feedback.

9. A method for determining uplink transmission interruption time, comprising:

a base station device determining uplink transmission interruption time of each cell aggregated by a User Equipment, UE; and

the base station device stopping sending uplink transmission scheduling information during the uplink transmission interruption time of each cell aggregated by the UE to the UE over the cell.

10. The method according to claim 9, wherein the base station device determining the uplink transmission interruption time of each cell aggregated by the UE comprises:

the base station device determining uplink transmission interruption time corresponding to all cells aggregated by the UE as the uplink transmission interruption time of each cell;

or

the base station device determining the uplink transmission interruption time respectively for each cell aggregated by the UE;

or

the base station device determining a transceiver required to perform measurements of the UE and aggregated cells served by the transceiver, determining uplink transmission interruption time of the respective aggregated cells served by the transceiver, and determining uplink transmission interruption time of aggregated cells served by other transceivers of the UE to be 0.

11. The method according to claim 10, wherein the base station device determining the uplink transmission interruption time corresponding to all the cells aggregated by the UE as the uplink transmission interruption time of each cell comprises:

the base station device determining uplink transmission interruption time resulting from a measurement gap over each cell aggregated by the UE according to a duplex mode and/or Time Division Duplex, TDD, uplink/downlink, UL/DL, configuration of the each cell, and determining a union set or an intersection set of the uplink transmission interruption time over all cells as the uplink transmission interruption time of the each cell;

or

the base station device determining the uplink transmission interruption time of each cell to be a Measurement Gap Length, MGL, plus a specified value;

or

the base station device determining uplink transmission interruption time resulting from a measurement gap according to a reference duplex mode and/or TDD UL/DL configuration, and taking the uplink transmission interruption time as the uplink transmission interruption time of the each cell.

12. The method according to claim 10, wherein the base station device determining the uplink transmission interruption time respectively for each cell aggregated by the UE comprises:

the base station device determining the uplink transmission interruption time respectively for each cell aggregated by the UE based upon a set of duplex configurations to which the each cell belongs, wherein the set of duplex configurations includes at least one aggregated cell, and when the set of duplex configurations includes a plurality of cells, the plurality of cells have a same duplex mode and/or TDD UL/DL configuration;

wherein the base station device determining the uplink transmission interruption time respectively for each cell aggregated by the UE based upon the set of duplex configurations to which the each cell belongs comprises;

the base station device determining uplink transmission interruption time according to a duplex mode and/or TDD UL/DL configuration in the set of duplex configurations, and taking the uplink transmission interruption time as the uplink transmission interruption time of each cell in the set of duplex configurations;

or

the base station device determining uplink transmission interruption time according to a reference duplex mode and/or TDD UL/DL configuration in the set of duplex configurations, and taking the uplink transmission interruption time as the uplink transmission interruption time of each cell in the set of duplex configurations.

13. The method according to claim 10, wherein the base station device determining the transceiver required to perform the measurements of the UE comprises:

the base station device determining a transceiver at a highest frequency as the transceiver required to perform the measurements of the UE;

or

the base station device determining a transceiver at a lowest frequency as the transceiver required to perform the measurements of the UE;

or

the base station device obtaining a correspondence relationship between bands supported by the UE and transceivers, determining one of a plurality of transceivers as the transceiver required to perform the measurements of the UE, and notifying the UE of information about a band corresponding to the transceiver required to perform the measurements via explicit configuration information.

14. The method according to claim 13, wherein the base station device obtaining the correspondence relationship between bands supported by the UE and transceivers comprises:

the base station device obtaining the correspondence relationship between bands supported by the UE and transceivers from a correspondence relationship between bands and transceivers reported in a UE capability;

or

the base station device obtaining the correspondence relationship between bands supported by the UE and transceivers from a measurement gap capability reported based upon a band combination in a UE capability.

15. The method according to claim 10, wherein the base station device determining the uplink transmission interruption time of the respective aggregated cells served by the transceiver comprises:

the base station device determining uplink transmission interruption time resulting from a measurement gap over each aggregated cell served by the transceiver according to a duplex mode and/or TDD UL/DL configuration of the each cell, and taking the determined uplink transmission interruption time as the uplink transmission interruption time corresponding to the each cell;

or

the base station device determining uplink transmission interruption time resulting from a measurement gap over each aggregated cell served by the transceiver according to a duplex mode and/or TDD UL/DL configuration of the each cell, and taking a union set of the uplink transmission interruption time over the respective cells as the uplink transmission interruption time of the each cell;

or

the base station device determining uplink transmission interruption time resulting from a measurement gap according to a reference duplex mode and/or TDD UL/DL configuration, and taking the uplink transmission interruption time as the uplink transmission interruption time of the respective aggregated cells served by the transceiver.

16. The method according to claim 11, wherein the reference duplex mode and/or TDD UL/DL configuration includes:

a duplex mode and/or a TDD UL/DL configuration of a PCell;

or

a duplex mode and/or a TDD UL/DL configuration prescribed by the base station device and the UE;

or

a duplex mode and/or a TDD UL/DL configuration configured by an OAM;

or

a duplex mode and/or a TDD UL/DL configuration determined and notified by the base station device to the UE via an explicit signaling.

17. A User Equipment, UE, comprising:

a determining module configured to determine uplink transmission interruption time of each cell aggregated by the UE; and

a processing module configured to stop, during the uplink transmission interruption time of each cell aggregated by the UE, uplink transmission of the cell.

18-24. -24. (canceled)

25. A base station device, comprising:

a determining module configured to determine uplink transmission interruption time of each cell aggregated by a User Equipment, UE; and

a processing module configured to stop sending uplink transmission scheduling information during the uplink transmission interruption time of each cell aggregated by the UE to the UE over the cell.

26-32. -32. (canceled)