METHODS FOR ENERGY SAVING IN A CELLULAR NETWORK

Abstract

A method of adaptation of signals and channels in a cellular network, the method comprising: adapting (104), by the at least one first node, transmission pattern of at least one Synchronization Signal Block (SSB), and signalling (106), by the at least one first node, at least one parameter related to the adaptation to at least one second node.

Specification

Description:AS UPLOADED , Claims:WE CLAIM:

1. A method of adaptation of signals and channels in a cellular network, the method comprising:
adapting (104), by the at least one first node, transmission pattern of at least one Synchronization Signal Block (SSB); and
signalling (106), by the at least one first node, at least one parameter related to the adaptation to at least one second node.

2. The method as claimed in claim 1, wherein the at least one first node comprises one or more of at least one Base Station (BS), at least one Integrated Access and Backhaul (IAB) node, at least one relay, and at least one Distributed Unit (DU).

3. The method as claimed in claim 1, wherein the at least one second node comprises one or more of at least one User Equipment (UE), at least one IAB node, at least one DU, at least one Mobile Termination (MT) unit, at least one relay, and at least one BS.

4. The method as claimed in claim 1, comprises determining (102) at least one information related to one or more of at least one first node and a network.

5. The method as claimed in claim 4, wherein the at least one information comprises one or more of load, traffic conditions, channel conditions, number of second nodes connected to the at least one first node, the buffer status of the at least one second node, types of the at least one second node, deployment scenarios, and UE arrival rate.

6. The method as claimed in claim 1, wherein the signalling is using at least one of Radio Resource Control (RRC) message, Medium Access Control Element (MAC-CE), control channel, broadcast channel, sidelink channel, and Xn interface.

7. The method as claimed in claim 1, wherein adapting the transmission pattern comprises varying the periodicity of one of:
at least one SSB beam from a plurality of SSB beams of one or more SSB burst;
at least one SSB group of an SSB burst; and
at least one SSB beam of at least one SSB group of an SSB burst.

8. The method as claimed in claim 1, wherein adapting the transmission pattern comprises turning off one of:
at least one SSB beam from a plurality of SSB beams of one or more SSB burst;
at least one SSB group of an SSB burst; and
at least one SSB beam of at least one SSB group of an SSB burst.

9. The method as claimed in claim 7, wherein the SSB beams having same SSB order in plurality of groups are assigned with same periodicity.

10. The method as claimed in claim 1, wherein the parameter comprises one or more of at least one periodicity, at least one index value, and a granularity of varying the periodicity, and wherein granularity comprises one of beams and SSB groups in the SSB burst.

11. The method as claimed in claim 10, wherein the index value is at least one of beam index and group index.

12. The method as claimed in claim 10, comprising an indication for reusing the at least one periodicity across the SSB groups.

13. The method as claimed in claim 1, wherein the at least one parameter is represented using ceil {MLog2(N)} bits, wherein M denotes at least one of maximum number of group and number of beams, and N denotes total number of options for periodicity.

14. The method as claimed in claim 1, wherein the adaption is valid until one of
expiry of a time period;
wherein the time period is one of the predefined and signalled from the at least one first node,
receiving an update of the at least one parameter related to the adaptation of the at least one transmission pattern and
a deactivation command is received from the at least one first node.

15. A method of adaptation of signals and channels in a cellular network, the method comprising:
receiving, by the at least one second node, at least one parameter related to the adaptation of transmission pattern of at least one Synchronization Signal Block (SSB) from at least one first node,
wherein adaptation of the transmission pattern comprises at least one of:
varying the periodicity of at least one SSB, and
turning off at least one SSB; and
performing, by the at least one second node, at least one operation based on the transmission pattern.

16. The method as claimed in claim 15, wherein the at least one first node comprises one or more of at least one Base Station (BS), at least one Integrated Access and Backhaul (IAB) node, at least one relay, and at least one Distributed Unit (DU).

17. The method as claimed in claim 15, wherein the at least one second node comprises one or more of at least one User Equipment (UE), at least one IAB node, at least one DU, at least one Mobile Termination (MT) unit, at least one relay, and at least one BS.

18. The method as claimed in claim 15, wherein the receiving is using at least one of Radio Resource Control (RRC) message, Medium Access Control Element (MAC-CE), control channel, broadcast channel, sidelink channel, and Xn interface.

19. The method as claimed in claim 15, wherein the parameter comprises one or more of at least one periodicity, at least one index value, and a granularity of varying the periodicity, and wherein granularity comprises one of beams and SSB groups in the SSB burst.

20. The method as claimed in claim 19, wherein the index value is at least one of beam index and group index.

21. The method as claimed in claim 19, comprising an indication for reusing the at least one periodicity across the SSB groups.

22. The method as claimed in claim 15, wherein the at least one parameter is represented using ceil {MLog2(N)} bits, wherein M denotes at least one of maximum number of group and number of beams, and N denotes total number of options for periodicity.

23. The method as claimed in claim 15, wherein the performing comprises at least one of
identifying the transmission pattern of at least one SSB, and
receiving the at least one SSB based on the transmission pattern.

24. The method as claimed in claim 15, wherein varying the periodicity of at least one SSB comprises one of:
varying the periodicity at least one SSB beam from a plurality of SSB beams of one or more SSB burst;
varying the periodicity at least one SSB group of an SSB burst; and,
varying the periodicity at least one SSB beam of at least one SSB group of an SSB burst.

25. The method as claimed in claim 15, wherein turning off at least one SSB comprises one of:
turning off at least one SSB beam from a plurality of SSB beams of one or more SSB burst;
turning off at least one SSB group of an SSB burst; and
turning off at least one SSB beam of at least one SSB group of an SSB burst.

26. The method as claimed in claim 24, wherein the SSB beams having same SSB order in plurality of groups are assigned with same periodicity.

27. The method as claimed in claim 15, wherein the adaption is valid until one of expiry of a time period;
wherein the time period is one of the predefined and signalled from the at least one first node,
receiving an update of the at least one parameter related to the adaptation of the at least one transmission pattern and
a deactivation command is received from the at least one first node.

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