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EP-4736494-A2 - COVERAGE AND CAPACITY IN A RADIO ACCESS NETWORK

EP4736494A2EP 4736494 A2EP4736494 A2EP 4736494A2EP-4736494-A2

Abstract

A method may include sending, by a first base station to a second base station, one or more first messages. The messages may include a plurality of proposed coverage modifications of one or more cells of the first base station. The messages may also include an indication of a cause for the plurality of proposed coverage modifications. The method may also include receiving, by the first base station from the second base station, one or more second messages including one or more preferred coverage modifications of the plurality of proposed coverage modifications.

Inventors

  • FILIN, STANISLAV
  • XU, JIAN
  • Dinan, Esmael Hejazi
  • PARK, KYUNGMIN

Assignees

  • Ofinno, LLC

Dates

Publication Date
20260506
Application Date
20240627

Claims (20)

  1. 1. A method comprising: sending, by a first base station to a second base station, one or more first messages comprising one or more cell coverage states of one or more cells of the first base station.
  2. 2. A method comprising: receiving, by a second base station from a first base station, one or more first messages comprising one or more cell coverage states of one or more cells of the first base station.
  3. 3. A method comprising: sending, by a first base station to a second base station, one or more first messages comprising one or more beam coverage states of one or more beams of one or more cells of the first base station.
  4. 4. A method comprising: receiving, by a second base station by a first base station, one or more first messages comprising one or more beam coverage states of one or more beams of one or more cells of the first base station.
  5. 5. A method comprising: determining by a first base station one or more cell coverage states of one or more cells of the first base station, wherein the determining is based on determining by the first base station a coverage and/or capacity issue; and sending, by the first base station to a second base station, one or more first messages comprising the one or more cell coverage states of the one or more cells of the first base station.
  6. 6. A method comprising: receiving, by a second base station from a first base station, one or more first messages comprising one or more cell coverage states of the one or more cells of the first base station, wherein the one or more cell coverage states are determined by the first base station for a coverage and/or capacity issue.
  7. 7. A method comprising: determining by a first base station one or more beam coverage states of one or more beams of one or more cells of the first base station, wherein the determining is based on determining by the first base station a coverage and/or capacity issue; and sending, by the first base station to a second base station, one or more first messages comprising the one or more beam coverage states of the one or more beams of the one or more cells of the first base station.
  8. 8. A method comprising: receiving, from a second base station by a first base station, one or more first messages comprising one or more beam coverage states of the one or more beams of one or more cells of the first base station, wherein the one or more beam coverage states are determined by the first base station for a coverage and/or capacity issue.
  9. 9. A method comprising: sending, by a first base station to a second base station, one or more first messages comprising: a plurality of proposed coverage modifications of one or more cells of the first base station; and an indication of a cause for the plurality of proposed coverage modifications; and receiving, by the first base station from the second base station, one or more second messages comprising one or more preferred coverage modifications of the plurality of proposed coverage modifications.
  10. 10. A method comprising: sending, by a first base station to a second base station, one or more first messages comprising a plurality of proposed coverage modifications of one or more cells of the first base station; and receiving, by the first base station from the second base station, one or more second messages comprising one or more preferred coverage modifications of the plurality of proposed coverage modifications.
  11. 11. A method comprising: receiving, by a second base station from a first base station, one or more first messages comprising a plurality of proposed coverage modifications of one or more cells of the first base station; and sending, by the second base station to the first base station, one or more second messages comprising one or more preferred coverage modifications of the plurality of proposed coverage modifications.
  12. 12. A method comprising: sending, by a first distributed unit of a base station (BS-DU1) to a central unit of the base station (BS-CU), one or more first messages comprising a plurality of proposed coverage modifications of one or more cells of the BS- DU1; and receiving, by the BS-DU1 from the BS-CU, one or more second messages comprising one or more preferred coverage modifications of the plurality of proposed coverage modifications.
  13. 13. A method comprising: receiving, by a central unit of a base station (BS-CU) from a first distributed unit of the base station (BS-DU1 ), one or more first messages comprising a plurality of proposed coverage modifications of one or more cells of the BS-DU1; and sending, by the BS-CU to the BS-DU1, one or more second messages comprising one or more preferred coverage modifications of the plurality of proposed coverage modifications.
  14. 14. A method comprising: sending, by a central unit of a base station (BS-CU) to a second distributed unit of the base station (BS-DU2), one or more first messages comprising a plurality of proposed coverage modifications of one or more cells of a first distributed unit of the base station (BS-DU 1 ); and receiving, by the BS-CU from the BS-DU2, one or more second messages comprising one or more preferred coverage modifications of the plurality of proposed coverage modifications.
  15. 15. A method comprising: receiving, by a second distributed unit of a base station (BS-DU2) from a central unit of the base station (BS- CU), one or more first messages comprising a plurality of proposed coverage modifications of one or more cells of a first distributed unit of the base station (BS-DU1); and sending, by the BS-DU2 to the BS-CU, one or more second messages comprising one or more preferred coverage modifications of the plurality of proposed coverage modifications.
  16. 16. A method comprising: receiving, by a second base station from a first base station, one or more first messages comprising a plurality of proposed coverage modifications of one or more cells of the first base station; determining, by the second base station and based on the one or more first messages, one or more preferred coverage modifications of the plurality of proposed coverage modifications; and sending, by the second base station to the first base station, one or more second messages comprising the one or more preferred coverage modifications.
  17. 17. The method of any one of claims 5 to 16, wherein the one or more first messages further comprise an indication of a cause.
  18. 18. The method of claim 17, wherein the cause comprises at least one of: a cause of the coverage and/or capacity issue; a cause for the plurality of proposed coverage modifications; or a cause for a corresponding proposed coverage modification of the plurality of proposed coverage modifications.
  19. 19. The method of 18, wherein the cause for the plurality of proposed coverage modifications comprises: a load balancing optimization; and/or an energy efficiency optimization; and/or a mobility optimization; and/or a coverage optimization; and/or a capacity optimization; and/or a coverage issue; and/or a capacity issue; and/or a cell edge capacity issue; and/or an energy consumption issue; and/or a mobility issue.
  20. 20. A method comprising: sending, by a first base station to a second base station, one or more first messages comprising: a plurality of proposed coverage modifications of one or more cells of the first base station; and an indication of a cause for the plurality of proposed coverage modifications; and receiving, by the first base station from the second base station, one or more second messages comprising one or more preferred coverage modifications of the plurality of proposed coverage modifications.

Description

TITLE Coverage and Capacity in a Radio Access Network CROSS-REFERENCE TO RELATED APPLICATIONS [0001] This application claims the benefit of U.S. Provisional Application No. 63/523,438, filed June 27, 2023, which is hereby incorporated by reference in its entirety. BRIEF DESCRIPTION OF THE DRAWINGS [0002] Examples of several of the various embodiments of the present disclosure are described herein with reference to the drawings. [0003] FIG. 1A and FIG. 1B illustrate example mobile communication networks in which embodiments of the present disclosure may be implemented. [0004] FIG. 2A and FIG. 2B respectively illustrate a New Radio (NR) user plane and control plane protocol stack. [0005] FIG. 3 illustrates an example of services provided between protocol layers of the NR user plane protocol stack of FIG. 2A. [0006] FIG. 4A illustrates an example downlink data flow through the NR user plane protocol stack of FIG. 2A. [0007] FIG. 4B illustrates an example format of a MAC subheader in a MAC PDU. [0008] FIG. 5A and FIG. 5B respectively illustrate a mapping between logical channels, transport channels, and physical channels for the downlink and uplink. [0009] FIG. 6 is an example diagram showing RRC state transitions of a UE. [0010] FIG. 7 illustrates an example configuration of an NR frame into which OFDM symbols are grouped. [0011] FIG. 8 illustrates an example configuration of a slot in the time and frequency domain for an NR carrier. [0012] FIG. 9 illustrates an example of bandwidth adaptation using three configured BWPs for an NR carrier. [0013] FIG. 10A illustrates three carrier aggregation configurations with two component carriers. [0014] FIG. 10B illustrates an example of how aggregated cells may be configured into one or more PUCCH groups. [0015] FIG. 11A illustrates an example of an SS/PBCH block structure and location. [0016] FIG. 11 B illustrates an example of CSI-RSs that are mapped in the time and frequency domains. [0017] FIG. 12A and FIG. 12B respectively illustrate examples of three downlink and uplink beam management procedures. [0018] FIG. 13A, FIG. 13B, and FIG. 13C respectively illustrate a four-step contention-based random access procedure, a two-step contention-free random access procedure, and another two-step random access procedure. [0019] FIG. 14A illustrates an example of CORESET configurations fora bandwidth part. [0020] FIG. 14B illustrates an example of a CCE-to-REG mapping for DCI transmission on a CORESET and PDCCH processing. [0021] FIG. 15 illustrates an example of a wireless device in communication with a base station. [0022] FIG. 16A, FIG. 16B, FIG. 16C, and FIG. 16D illustrate example structures for uplink and downlink transmission. [0023] FIG. 17 illustrates an example of a functional architecture for artificial intelligence and/or machine learning. [0024] FIG. 18 illustrates an example of using AI/ML in a radio access network. [0025] FIG. 19 illustrates an example of using AI/ML in a radio access network [0026] FIG. 20 illustrates an example of coverage areas update in a radio access network. [0027] FIG. 21 illustrates an example embodiment of the present disclosure. [0028] FIG. 22 illustrates an example embodiment of the present disclosure. [0029] FIG. 23 illustrates an example embodiment of the present disclosure. [0030] FIG. 24 illustrates an example embodiment of the present disclosure. [0031] FIG. 25 illustrates an example of a coverage modification. [0032] FIG. 26 illustrates an example embodiment of the present disclosure. [0033] FIG. 27 illustrates an example embodiment of the present disclosure. [0034] FIG. 28 illustrates an example embodiment of the present disclosure. [0035] FIG. 29 illustrates an example embodiment of the present disclosure. [0036] FIG. 30 illustrates an example embodiment of the present disclosure. [0037] FIG. 31 illustrates an example embodiment of the present disclosure. [0038] FIG. 32 illustrates an example embodiment of the present disclosure. [0039] FIG. 33 illustrates an example embodiment of the present disclosure. [0040] FIG. 34 illustrates an example embodiment of the present disclosure. DETAILED DESCRIPTION [0041] In the present disclosure, various embodiments are presented as examples of how the disclosed techniques may be implemented and/or how the disclosed techniques may be practiced in environments and scenarios. It will be apparent to persons skilled in the relevant art that various changes in form and detail can be made therein without departing from the scope. In fact, after reading the description, it will be apparent to one skilled in the relevant art how to implement alternative embodiments. The present embodiments should not be limited by any of the described exemplary embodiments. The embodiments of the present disclosure will be described with reference to the accompanying drawings. Limitations, features, and/or elements from the disclosed example embodiments may be combined to create further embodiments within the sco