CN-122029789-A - Method for supporting use of hybrid parameter set in communication system and apparatus therefor

Abstract

According to an embodiment of the present disclosure, a method performed by an O-DU in a communication system may include a step of receiving capability information on the O-RU from the O-RU, a step of determining whether to allocate communication resources for the O-RU using a plurality of SCSs based on the capability information and allocating a plurality of carriers for the communication resources using different SCSs, a step of generating setting information of the O-RU based on the capability information and the allocated information of the plurality of carriers, and a step of transmitting the generated setting information to the O-RU, wherein the setting information includes a center frequency offset for each of the plurality of carriers configured with the different SCSs.

Inventors

• Hong Xunyi

Assignees

• 株式会社秀利得

Dates

Publication Date

20260512

Application Date

20241011

Priority Date

20231012

Claims (11)

1. 1. A method performed by an open radio access network distributed unit, O-DU, in a communication system, comprising: A step of receiving capability information about an open radio access network radio frequency unit O-RU from the O-RU; A step of determining whether to allocate communication resources for the O-RU using a plurality of subcarrier spacing SCS based on the capability information, and allocating a plurality of carriers for the communication resources using a different SCS; A step of generating setting information for the O-RU based on the capability information and the allocated information of the plurality of carriers, and A step of transmitting the generated setting information to the O-RU, Wherein the setting information includes a center frequency offset for each of a plurality of carriers configured with the different SCS.
2. 2. The method according to claim 1, wherein, The center frequency offset represents an offset value from a center of a channel bandwidth of the communication resource to a center of a first resource element of a first resource block of each of the plurality of carriers.
3. 3. The method according to claim 1, wherein, The capability information includes hybrid parameter set capability information indicating whether the O-RU can use resources allocated using a plurality of SCSs, and The capability information includes section type information and frame structure information supported by the O-RU.
4. 4. The method according to claim 1, wherein, A step of allocating a plurality of carriers for the communication resource using different SCS, comprising: a step of assigning the same eAxC ID to each of the plurality of carriers, and Determining a zone type of at least one carrier of the plurality of carriers as zone type 3.
5. 5. The method according to claim 4, wherein, The step of generating the setting information includes: a step of determining a center of a channel bandwidth of the communication resource; a step of determining a center frequency offset of at least one carrier configured by the segment type 3 based on a center of the channel bandwidth, and Generating the setting information based on a center frequency offset of at least one carrier configured by the zone type 3.
6. 6. A method performed by an open radio access network, radio frequency, unit, O-RU, in a communication system, comprising: a step of receiving setting information from an open radio access network distributed unit O-DU; A step of identifying a plurality of carriers configured with different subcarrier spacings SCS based on the received setting information, and A step of determining wireless communication resources based on the plurality of carriers, The setting information includes a center frequency offset for each of the plurality of carriers.
7. 7. The method according to claim 6, wherein, The center frequency offset represents an offset value from a center of a channel bandwidth of the communication resource to a center of a first resource element of a first resource block of each of the plurality of carriers.
8. 8. The method according to claim 6, wherein, The multiple carriers are configured by the same eAxC ID, The segment type of at least one carrier of the plurality of carriers is segment type 3.
9. 9. The method as claimed in claim 8, wherein, The center frequency offset includes a center frequency offset of at least one carrier configured by the segment type 3.
10. 10. The method according to claim 6, wherein, The setting information is received through a management plane message composed of YANG modules, The center frequency offset is included on the YANG module in a list representing a number of resource blocks for each of the plurality of carriers.
11. 11. An open radio access network distributed unit, O-DU, comprising: A transceiver; Memory, and A processor coupled to the transceiver and the memory, The processor is configured to: Receiving capability information about an open radio access network radio frequency unit, O-RU, from the O-RU; Determining whether to allocate communication resources for the O-RU using a plurality of subcarrier spacing SCS based on the capability information, and allocating a plurality of carriers for the communication resources using a different SCS; Generating setting information for the O-RU based on the capability information and the allocated information of the plurality of carriers, and Transmitting the generated setting information to the O-RU, Wherein the setting information includes a center frequency offset for each of a plurality of carriers configured with the different SCS.

Description

Method for supporting use of hybrid parameter set in communication system and apparatus therefor Technical Field The present disclosure relates to a method for supporting a hybrid parameter set when it is used in a communication system and an apparatus thereof. Background As wireless communication systems evolve and evolve into fourth generation (4 th generation) communication systems, fifth generation (5 g generation) communication systems, etc., various functions and specifications are required. Various means have been introduced to satisfy such functions and specifications, and as one of them, a function separation (functional split) network infrastructure structure has been introduced to realize the functions and specifications. As a representative configuration of the function separation manner, the base station may be expressed as a centralized unit (centralized unit, CU), a Distributed Unit (DU) and a Radio Unit (RU) according to functions, and an interface (interface) of each unit is defined in 3GPP and the group of O-RAN alliance (O-RAN ALLIANCE, open-radio access network alliance) and the like. Disclosure of Invention Problems to be solved by the invention One technical problem to be solved by the present disclosure is to provide a method for efficiently utilizing communication in a forward link (fronthaul) or increasing processing capacity in O-RAN communication. Another technical problem to be solved by the present disclosure is to provide a method for saving resources and costs and improving communication quality by using a hybrid parameter set (mixed numerologies) when performing communication in the forward direction. Solution for solving the problem According to an embodiment, a method performed by a controller in a communication system may include a step of receiving capability information on an open radio access network radio frequency unit (open RAN radio unit, O-RU) from the O-RU, a step of determining whether to allocate communication resources for the O-RU using a plurality of SCSs based on the capability information and allocating a plurality of carriers for the communication resources using different SCSs, a step of generating configuration information for the O-RU based on the capability information and information of the allocated plurality of carriers, and a step of transmitting the generated configuration information to the O-RU, wherein the configuration information includes a center frequency offset for each of the plurality of carriers configured with the different SCSs. According to an embodiment, the center frequency offset may represent an offset value from a center of a channel bandwidth of the communication resource to a center of a first resource element (resource element) of a first resource block (resource block) of each of the plurality of carriers. According to an embodiment, the capability information includes mixed parameter set capability information indicating whether the O-RU can use resources allocated using a plurality of SCS, and the capability information may further include section type information and frame structure information supported by the O-RU. According to an embodiment, the step of allocating a plurality of carriers for the communication resource using different SCSs may include a step of allocating the same eAxC (extended active-carrier) ID to each of the plurality of carriers, and a step of determining a zone type of at least one carrier of the plurality of carriers as a zone type 3. According to an embodiment, the step of generating the setting information may include the step of determining a center of a channel bandwidth of the communication resource, the step of determining a center frequency offset of at least one carrier configured by the zone type 3 based on the center of the channel bandwidth, and the step of generating the setting information based on the center frequency offset of at least one carrier configured by the zone type 3. According to another embodiment of the present disclosure, a method performed by an O-RU may include a step of receiving setting information from an open radio access network distributed unit (open RAN distributed unit, O-DU), a step of identifying a plurality of carriers configured with different SCSs based on the received setting information, and a step of determining a wireless communication resource based on the plurality of carriers, the setting information including a center frequency offset for each of the plurality of carriers. According to an embodiment, the setting information may be received via a management plane (MANAGEMENT PLANE, M-plane) message formed by a YANG module, and the center frequency offset is included in a list representing the number of resource blocks of each of the plurality of carriers on the YANG module. According to another embodiment of the present disclosure, an O-DU may include a transceiver, a memory, and a processor coupled to the transceiver and the memory, the processo