# US 12,114,300 B2 · Resource sharing method and apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,114,300 B2 - Document ID: US12114300B2 - Status: Granted - Kind: B2 - Application number: 17/680,696 - Filed: 2022-02-25 - Published: 2022-06-09 - Granted: 2024-10-08 - Earliest claimed: 2019-08-29 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Haifeng Yu; Bo Lin; Kun Yang - Web page: https://patentgrep.com/patent/US12114300B2 ## CPC - H04W 16/10: Dynamic resource partitioning - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 92/20: between access points - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A resource sharing method and apparatus are disclosed. The method includes: A first apparatus notifies a second apparatus of a frequency domain resource of a first initial bandwidth part (BWP) in a candidate shared resource, where the frequency domain resource of the first initial BWP is not shared between the first apparatus and the second apparatus; the second apparatus notifies the first apparatus of a frequency domain resource of a second initial BWP in the candidate shared resource, where the frequency domain resource of the second initial BWP is not shared between the second apparatus and the first apparatus; and the first apparatus notifies the second apparatus of a resource that is in the candidate shared resource and that is expected by the first apparatus to be used for data transmission. ## Claims ### Claim 1 A resource sharing method, wherein the method comprises: sending, by a first apparatus, first indication information to a second apparatus, wherein the first indication information is to indicate a frequency domain resource of a first initial bandwidth part (BWP), wherein the frequency domain resource of the first initial BWP is not shared between the first apparatus and the second apparatus, but is a part of a first candidate shared resource of the first apparatus and the second apparatus; receiving, by the first apparatus, second indication information from the second apparatus, wherein the second indication information is to indicate a frequency domain resource of a second initial BWP, wherein the frequency domain resource of the second initial BWP is not shared between the second apparatus and the first apparatus, but is a part of the first candidate shared resource; sending, by the first apparatus, third indication information to the second apparatus, wherein the third indication information is to indicate a time-frequency resource that is in the first candidate shared resource and that is expected by the first apparatus to be used for data transmission; and receiving, by the first apparatus, fourth indication information from the second apparatus, wherein the fourth indication information is to indicate a time-frequency resource that is in the first candidate shared resource and that is expected by the second apparatus to be used for data transmission. ### Claim 2 (depends on 1) The method according to claim 1, wherein the frequency domain resource of the first initial BWP and the frequency domain resource of the second initial BWP do not overlap. ### Claim 3 (depends on 1) The method according to claim 1, wherein the first indication information is to indicate at least one item selected from the group consisting of a frequency domain start position of the first initial BWP, a frequency domain end position of the first initial BWP, and a frequency domain width of the first initial BWP; and wherein the second indication information is to indicate at least one item selected from the group consisting of a frequency domain start position of the second initial BWP, a frequency domain end position of the second initial BWP, and a frequency domain width of the second initial BWP. ### Claim 4 (depends on 3) The method according to claim 3, wherein the frequency domain start position of the first initial BWP is determined based on a frequency domain start position of a first downlink bandwidth and an offset between the frequency domain start position of the first downlink bandwidth and the frequency domain start position of the first initial BWP, or based on a frequency domain start position of a synchronous broadcast block (SSB), an offset between the frequency domain start position of the SSB and a frequency domain start position of a first downlink bandwidth, and an offset between the frequency domain start position of the first downlink bandwidth and the frequency domain start position of the first initial BWP; and wherein the frequency domain start position of the second initial BWP is determined based on a frequency domain start position of a second downlink bandwidth and an offset between the frequency domain start position of the second downlink bandwidth and the frequency domain start position of the second initial BWP, or based on a frequency domain start position of an SSB, an offset between the frequency domain start position of the SSB and a frequency domain start position of a second downlink bandwidth, and an offset between the frequency domain start position of the second downlink bandwidth and the frequency domain start position of the second initial BWP. ### Claim 5 (depends on 3) The method according to claim 3, wherein the frequency domain width of the first initial BWP satisfies a formula: RIV1=NBWP1size×(LRBs1−1)+RBstart, wherein LRBs1 is a quantity of consecutive RBs occupied by the frequency domain width of the first initial BWP, RIV1 is a first resource indication value parameter, RBstart1 is a start resource block position of the first initial BWP, and NBWP1size represents a quantity of first resource blocks RBs; and the frequency domain width of the second initial BWP satisfies a formula: RIV2=NBWP2size×(LRBs2−1)+RBstart2, wherein LRBs2 is a quantity of consecutive RBs occupied by the frequency domain width of the second initial BWP, RIV2 is a second resource indication value parameter, RBstart2 is a start resource block position of the second initial BWP, and NBWP2size represents a quantity of second RBs. ### Claim 6 (depends on 1) The method according to claim 1, wherein the time-frequency resource that is expected by the first apparatus to be used for data transmission and that is indicated by the third indication information does not comprise the frequency domain resource of the first initial BWP and the frequency domain resource of the second initial BWP. ### Claim 7 (depends on 1) The method according to claim 1, wherein the third indication information comprises a first field and a second field; wherein the first field is to indicate a resource type of the time-frequency resource that is expected by the first apparatus to be used for data transmission, wherein the resource type comprises at least one type selected from the group consisting of an uplink UL resource type, a supplementary uplink SUL resource type, and a downlink DL resource type; and wherein the second field is to indicate a position of a time-frequency resource corresponding to each resource type. ### Claim 8 (depends on 7) The method according to claim 7, wherein the third indication information further comprises a third field, and the third field is used to indicate an effective moment of a time-frequency resource that is in the second field and that is expected to be used for data transmission. ### Claim 9 (depends on 7) The method according to claim 7, wherein the second field further comprises a fourth field, wherein the fourth field is to indicate whether the position of the time-frequency resource corresponding to each resource type changes; and when the fourth field indicates that the position changes, the second field further comprises a fifth field, wherein the fifth field is to indicate a position that is of a time-frequency resource that is expected to be used for data transmission and that is obtained after the position changes. ### Claim 10 (depends on 1) The method according to claim 1, wherein the sending, by a first apparatus, of the first indication information to the second apparatus and the sending, by the first apparatus, of the third indication information to the second apparatus comprise: sending, by the first apparatus, the first indication information and the third indication information to the second apparatus by using a first request message. ### Claim 11 A first apparatus, comprising: at least one processor; and a memory coupled to the at least one processor and having program instructions stored thereon which, when executed by the at least one processor, cause the apparatus to: send first indication information to a second apparatus, wherein the first indication information is to indicate a frequency domain resource of a first initial bandwidth part BWP, wherein the frequency domain resource of the first initial BWP is not shared between the first apparatus and the second apparatus, but is a part of a first candidate shared resource of the first apparatus and the second apparatus; receive second indication information from the second apparatus, wherein the second indication information is to indicate a frequency domain resource of a second initial BWP, wherein the frequency domain resource of the second initial BWP is not shared between the second apparatus and the first apparatus, but is a part of the first candidate shared resource; send third indication information to the second apparatus, wherein the third indication information is to indicate a time-frequency resource that is in the first candidate shared resource and that is expected by the first apparatus to be used for data transmission; and receive fourth indication information from the second apparatus, wherein the fourth indication information is to indicate a time-frequency resource that is in the first candidate shared resource and that is expected by the second apparatus to be used for data transmission. ### Claim 12 (depends on 11) The apparatus according to claim 11, wherein the frequency domain resource of the first initial BWP and the frequency domain resource of the second initial BWP do not overlap. ### Claim 13 (depends on 11) The apparatus according to claim 11, wherein the first indication information is to indicate at least one item selected from the group consisting of a frequency domain start position of the first initial BWP, a frequency domain end position of the first initial BWP, and a frequency domain width of the first initial BWP; and wherein the second indication information is to indicate at least one item selected from the group consisting of a frequency domain start position of the second initial BWP, a frequency domain end position of the second initial BWP, and a frequency domain width of the second initial BWP. ### Claim 14 (depends on 13) The apparatus according to claim 13, wherein the program instructions further cause the apparatus to: determine the frequency domain start position of the first initial BWP based on a start position of a first downlink bandwidth and an offset between a frequency domain start position of the first downlink bandwidth and the frequency domain start position of the first initial BWP, or based on a frequency domain start position of a synchronous broadcast block SSB, an offset between the frequency domain start position of the SSB and a frequency domain start position of a first downlink bandwidth, and an offset between the frequency domain start position of the first downlink bandwidth and the frequency domain start position of the first initial BWP; and determine the frequency domain start position of the second initial BWP based on a frequency domain start position of a second downlink bandwidth and an offset between the frequency domain start position of the second downlink bandwidth and the frequency domain start position of the second initial BWP, or based on a frequency domain start position of an SSB, an offset between the frequency domain start position of the SSB and a frequency domain start position of a second downlink bandwidth, and an offset between the frequency domain start position of the second downlink bandwidth and the frequency domain start position of the second initial BWP. ### Claim 15 (depends on 13) The apparatus according to claim 13, wherein the frequency domain width of the first initial BWP satisfies a formula: RIV1=NBWP1size×(LRBs1−1)+RBstart, wherein LRBs1 is a quantity of consecutive RBs occupied by the frequency domain width of the first initial BWP, RIV1 is a first resource indication value parameter, RBstart1 is a start resource block position of the first initial BWP, and NBWP1size represents a quantity of first resource blocks RBs; and the frequency domain width of the second initial BWP satisfies a formula: RIV2=NBWP2size×(LRBs2−1)+RBstart2, wherein LRBs2 is a quantity of consecutive RBs occupied by the frequency domain width of the second initial BWP, RIV2 is a second resource indication value parameter, RBstart2 is a start resource block position of the second initial BWP, and NBWP2size represents a quantity of second RBs. ### Claim 16 (depends on 11) The apparatus according to claim 11, wherein the time-frequency resource that is expected by the first apparatus to be used for data transmission and that is indicated by the third indication information does not comprise the frequency domain resource of the first initial BWP and the frequency domain resource of the second initial BWP. ### Claim 17 (depends on 11) The apparatus according to claim 11, wherein the third indication information comprises a first field and a second field; wherein the first field is to indicate a resource type of the time-frequency resource that is expected by the first apparatus to be used for data transmission, wherein the resource type comprises at least one type selected from the group consisting of an uplink UL resource type, a supplementary uplink SUL resource type, and a downlink DL resource type; and wherein the second field is to indicate a position of a time-frequency resource corresponding to each resource type. ### Claim 18 (depends on 17) The apparatus according to claim 17, wherein the third indication information further comprises a third field, wherein the third field is to indicate an effective moment of a time-frequency resource that is in the second field and that is expected to be used for data transmission. ### Claim 19 (depends on 17) The apparatus according to claim 17, wherein the second field further comprises a fourth field, and the fourth field is to indicate whether the position of the time-frequency resource corresponding to each resource type changes; and wherein the program instructions cause the apparatus to: when the fourth field indicates that the position changes, send a fifth field by using the second field, wherein the fifth field is to indicate a position that is of the time-frequency resource that is expected to be used for data transmission and that is obtained after the position changes. ### Claim 20 A non-transitory computer-readable storage medium storing programming instructions for execution by at least one processor, wherein the programming instructions, when executed, cause the at least one processor to: send first indication information to a second apparatus, wherein the first indication information is to indicate a frequency domain resource of a first initial bandwidth part (BWP), wherein the frequency domain resource of the first initial BWP is not shared between the first apparatus and the second apparatus, but is a part of a first candidate shared resource of the first apparatus and the second apparatus; receive second indication information from the second apparatus, wherein the second indication information is to indicate a frequency domain resource of a second initial BWP, wherein the frequency domain resource of the second initial BWP is not shared between the second apparatus and the first apparatus, but is a part of the first candidate shared resource; send third indication information to the second apparatus, wherein the third indication information is to indicate a time-frequency resource that is in the first candidate shared resource and that is expected by the first apparatus to be used for data transmission; and receive fourth indication information from the second apparatus, wherein the fourth indication information is to indicate a time-frequency resource that is in the first candidate shared resource and that is expected by the second apparatus to be used for data transmission.