METHOD AND ARRANGEMENT IN A COMMUNICATIONS NETWORK

• US 20140133428A1
• Filed: 05/13/2013
• Published: 05/15/2014
• Est. Priority Date: 05/16/2012
• Status: Active Grant

• Current Assignee: Telefonaktiebolaget LM Ericsson
• Original Assignee: Telefonaktiebolaget LM Ericsson
• Inventors: Kazmi, Muhammed, Siomina, Iana
• Granted Patent: US 9,634,820 B2
• Time in Patent Office: Days
• US Class Current: 370/329
• CPC Class Codes: H04L 5/0078 Timing of allocation
• CPC Class Codes: H04L 5/0085 when channel conditions change
• CPC Class Codes: H04L 5/0098 Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
• CPC Class Codes: H04W 24/02 Arrangements for optimising operational condition
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 28/04 Error control
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal
• CPC Class Codes: H04W 74/085 collision avoidance

Abstract

A method in a network node for adapting a Secondary cell, SCell, command to a user equipment, UE, is provided. The SCell command is one of a setup and release command. The network node adapts the SCell command by one of advancing and delaying the timing of sending said SCell command with respect to a start of a transmission occasion of disjoint signals on which one of the UE and the network node is performing at least one of a measurement, the disjoint signal is a signal that is not used for performing the measurement in every subframe, a data transmission, the disjoint signal is a signal that is not used for transmitting the data in every subframe, and a data reception, the disjoint signal is a signal that is not used for receiving the data reception in every subframe.

Claims

1. A method in a network node for adapting a Secondary cell, SCell, command to a user equipment, UE the SCell command is one of a setup and release command, and the UE is a multi-carrier capable UE, the method comprising:

adapting the SCell command by one of advancing and delaying the timing of sending said SCell command with respect to a start of a transmission of at least one of;

disjoint signals on which one of the UE and the network node is performing a measurement, the disjoint signal is a signal that is not used for performing the measurement in every subframe;

disjoint signals of a data transmission to the UE, the disjoint signal is a signal that is not used for transmitting the data in every subframe; and

disjoint signals of a data reception from the UE, the disjoint signal is a signal that is not used for receiving the data reception in every subframe.

2. The method according to claim 1, further comprising:

receiving from the UE, information related to the capabilities of the UE to adapt the SCell command when one of the UE and the network node performs at least one of;

a measurement, a data reception, and a data transmission of at least one of the uplink and downlink disjoint signals; and

wherein adapting the SCell command by one of advancing and delaying the timing of sending said command is further based on the information received from the UE.

3. The method according to claim 2, wherein the received information further comprises information related to disjoint signals on which the UE is capable of adapting the SCell command.

4. The method according to claim 1, wherein one of the SCell setup and release command is at least one of SCell activation, SCell deactivation, SCell configuration and SCell de-configuration.

5. The method according to claim 1, further comprising:

adaptively configuring at least one of;

a transmit pattern, a measurement pattern, and scheduling pattern accounting for the SCell setup or release.

6. The method according to claim 1, further comprising:

signaling the network node'"'"'s capability to at least one of the UE and another network node, the network node'"'"'s capability comprises the capability of adaptively configuring the SCell command when at least one of the UE and the network node performs at least one of a measurement, a data reception and a data transmission on at least one of the uplink and downlink disjoint signals.

7. A method in a User Equipment, UE for adapting one of a Secondary Cell, SCell, setup and release, the UE being served by a network node, the method comprising:

receiving one of an SCell setup and release command from the network node; and

adapting one of the SCell setup and release by delaying the timing of applying the command to at least partly avoid collision with a transmission of at least one of;

disjoint signals on which one of the UE and the network node is performing a measurement, the disjoint signal is a signal that is not used for performing the measurement in every subframe;

disjoint signals of a data transmission to the network node, the disjoint signal is a signal that is not used for transmitting the data in every subframe; and

disjoint signals of a data reception from the network node, the disjoint signal is a signal that is not used for receiving the data reception in every subframe.

8. The method according to claim 7, wherein the SCell setup is at least one of SCell activation, SCell deactivation, SCell configuration and SCell de-configuration.

9. The method according to claim 7, wherein the UE is required to meet a first set of pre-defined requirements related to a measurement performed on disjoint signals when adapting one of the SCell setup and release to avoid the collision.

10. The method according to claim 7, wherein the UE is required to meet a second set of pre-defined requirements related to a measurement performed on disjoint signals when adapting one of the SCell setup and release to partially avoid the collision.

11. The method according to claim 7, further comprising:

signaling to the network node that the UE has capability to adapt the one of SCell setup and release of the SCell when at least one of the UE and the network node performs at least one of a measurement, a data reception and a data transmission on at least one of the uplink and downlink disjoint signal.

12. The method according to claim 7, further comprising:

receiving, from the network node, the network node'"'"'s capability to adaptively configure SCell command when at least one of the UE and the network node performs at least one of a measurement, a data reception and a data transmission on at least one of the uplink and downlink disjoint signals.

13. A network node for adapting a Secondary cell, SCell, command to a user equipment, UE the SCell command is one of a setup and release command, and the UE is a multi-carrier capable UE, the network node comprising:

a processor configured to adapt the SCell command by one of advancing and delaying the timing of sending said SCell command with respect to a start of a transmission of at least one of;

disjoint signals on which one of the UE and the network node is performing a measurement, the disjoint signal is a signal that is not used for performing the measurement in every subframe;

disjoint signals of a data transmission to the UE, the disjoint signal is a signal that is not used for transmitting the data in every subframe; and

disjoint signals of a data reception from the UE, the disjoint signal is a signal that is not used for receiving the data reception in every subframe.

14. The network node according to claim 13, further comprising:

a communication circuitry configured to receive from the UE, information related to the capabilities of the UE to adapt the SCell command when one of the UE and the network node performs at least one of;

a measurement, a data reception, and a data transmission of at least one of the uplink and downlink disjoint signals; and

wherein the processor is further configured to adapt the SCell command by one of advancing and delaying the timing of sending the SCell command based on the information received from the UE.

15. The network node according to claim 14, wherein the information to be received further comprises information related to disjoint signals on which the UE is capable of adapting the SCell command.

16. The network node according to claim 13, wherein one of the SCell setup and release command is at least one of SCell activation, SCell deactivation, SCell configuration and SCell de-configuration.

17. The network node according to claim 13, wherein the processor is further configured to adaptively configure at least one of:

a transmit pattern, a measurement pattern, and scheduling pattern accounting for at least one of the SCell setup and release.

18. The network node according to claim 13, wherein the communication circuitry is further configured to signal the network node'"'"'s capability to at least one of the UE and another network node, the network node'"'"'s capability comprises the capability of adaptively configuring the SCell command when at least one of the UE and the network node performs at least one of a measurement, a data reception and a data transmission on the uplink and/or downlink disjoint signals.

19. A User Equipment, UE for adapting one of an Secondary Cell, SCell, setup and release, the UE being configured to be served by a network node, the UE comprising:

a communication circuitry configured to receive one of an SCell setup and release command from the network node; and

a processor configured to adapt one of the SCell setup and release by delaying the timing of applying the SCell command to at least partly avoid collision with a transmission of at least one of;

disjoint signals on which one of the UE and the network node is performing a measurement, the disjoint signal is a signal that is not used for performing the measurement in every subframe;

disjoint signals of a data transmission to the network node, the disjoint signal is a signal that is not used for transmitting the data in every subframe; and

disjoint signals of a data reception from the network node, the disjoint signal is a signal that is not used for receiving the data reception in every subframe.

20. The UE according to claim 19, wherein the SCell setup is at least one of SCell activation, SCell deactivation, SCell configuration and SCell de-configuration.

21. The UE according to claim 19, wherein the UE is configured to be required to meet a first set of pre-defined requirements related to a measurement performed on disjoint signals when adapting one of the SCell setup and release to avoid the collision.

22. The UE according to claim 19, wherein the UE is configured to be required to meet a second set of pre-defined requirements related to a measurement performed on disjoint signals when adapting one of the SCell setup and release to partially avoid the collision.

23. The UE according to claim 19, wherein the communication circuitry further is configured to signal to the network node that the UE has capability to adapt one of the SCell setup and release of the SCell when at least one of the UE and the network node performs at least one of a measurement, a data reception and a data transmission on at least one of the uplink and downlink disjoint signal.

24. The UE according to claim 19, wherein the communication circuitry further is configured to receive, from the network node, the network node'"'"'s capability to adaptively configure SCell command when at least one of the UE and the network node performs at least one of a measurement, a data reception and a data transmission on the uplink and/or downlink disjoint signals.