# US 11,910,214 B2 · Channel state information processing method and apparatus thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,910,214 B2 - Document ID: US11910214B2 - Status: Granted - Kind: B2 - Application number: 16/440,733 - Filed: 2019-06-13 - Published: 2019-09-26 - Granted: 2024-02-20 - Earliest claimed: 2017-05-05 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Wei Han; Lu Wu; Huangping Jin - Web page: https://patentgrep.com/patent/US11910214B2 ## CPC - H04B 7/024: Co-operative use of antennas of several sites, e.g. in co-ordinated multipoint or co-operative multiple-input multiple-output [MIMO] systems - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - H04B 7/06: at the transmitting station - H04L 5/00: Arrangements affording multiple use of the transmission path - H04L 5/0032: {Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation} - H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)} - H04L 5/0057: {Physical resource allocation for CQI} - H04W 24/02: Arrangements for optimising operational condition - H04W 72/54: based on quality criteria - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Embodiments of the present disclosure include channel state information processing methods and apparatuses. One example method includes configuring, by a network device, at least one piece of CSI reporting configuration information and resource configuration information corresponding to the CSI reporting configuration information, where one piece of the CSI reporting configuration information corresponds to at least two pieces of resource configuration information, wherein one resource configuration information is used for interference measurement and includes a CSI-RS resource set, wherein one resource configuration information is used for channel measurement and includes a NZP CSI-RS resource, and wherein one CSI-RS resource set corresponds to at least one CSI report. The at least one piece of CSI reporting configuration information and the resource configuration information is sent to a terminal device. ## Claims ### Claim 1 A channel state information processing method, comprising: configuring, by a network device, at least one piece of channel state information (CSI) reporting configuration information and resource configuration information corresponding to the at least one piece of CSI reporting configuration information, wherein one piece of the CSI reporting configuration information corresponds to at least two pieces of resource configuration information, wherein one of the at least two pieces of resource configuration information is used for interference measurement and comprises a plurality of channel state information-reference signal (CSI-RS) resource sets, wherein at least two of the plurality of CSI-RS resource sets comprise a non-zero power channel state information-reference signal (NZP CSI-RS) resource allocated to a second network device, wherein each CSI-RS resource set corresponds to one CSI report, and wherein the plurality of CSI-RS resource sets correspond to a plurality of interference measurement hypotheses configured by the network device; and sending, by the network device, the at least one piece of CSI reporting configuration information and the resource configuration information corresponding to the at least one piece of CSI reporting configuration information to a terminal device. ### Claim 2 (depends on 1) The method according to claim 1, wherein the network device and the second network device are coordinated transmission base stations in a multi-base station coordinated multipoint transmission scenario. ### Claim 3 (depends on 1) The method according to claim 1, wherein the network device increases a quantity of CSI-RS resource sets when a quantity of coordinated base stations is increased, without increasing a quantity of the at least one piece of CSI reporting configuration information or a quantity of the resource configuration information. ### Claim 4 (depends on 1) The method according to claim 1, further comprising sending measurement resource indication information to the terminal device, wherein the measurement resource indication information instructs the terminal device to perform measurement based on N CSI-RS resource sets, wherein the N CSI-RS resource sets are N of M CSI-RS resource sets, and wherein the M CSI-RS resource sets are all CSI-RS resource sets corresponding to the at least one piece of CSI reporting configuration information, wherein M and N are positive integers, and 1≤N≤M. ### Claim 5 (depends on 1) The method according to claim 1, wherein the configuration information of the CSI report instructs the terminal device to report content of the CSI report, and the content of the CSI report includes at least one of a channel quality indicator (CQI), a precoding matrix indicator (PMI), a rank indication (RI), or a channel state information-reference signal resource indicator (CRI). ### Claim 6 (depends on 1) The method according to claim 1, wherein the configuration information of the CSI report instructs the terminal device to report at least one of a time-domain characteristic or a frequency-domain characteristic. ### Claim 7 (depends on 1) The method according to claim 1, wherein one of the plurality of CSI-RS resource sets comprises the NZP CSI-RS resource allocated to the second network device and a second NZP CSI-RS resource allocated to a third network device. ### Claim 8 A channel state information processing method, comprising: performing, by a terminal device, measurement based on resource configuration information corresponding to at least one piece of channel state information (CSI) reporting configuration information received from a network device, wherein one piece of the CSI reporting configuration information corresponds to at least two pieces of resource configuration information, wherein one of the at least two pieces of resource configuration information is used for interference measurement and comprises a plurality of channel state information-reference signal (CSI-RS) resource sets, wherein at least two of the plurality of CSI-RS resource sets comprise a non-zero power channel state information-reference signal (NZP CSI-RS) resource allocated to a second network device, and wherein the plurality of CSI-RS resource sets correspond to a plurality of interference measurement hypotheses; and sending, by the terminal device, a CSI measurement result to the network device, wherein the CSI measurement result comprises the CSI report, and wherein each CSI-RS resource set corresponds to one CSI report. ### Claim 9 A network device, comprising at least one processor, one or more memories, and a transceiver, wherein: the one or more memories are coupled to the at least one processor and store programming instructions for execution by at least one processor to configure at least one piece of channel state information (CSI) reporting configuration information and resource configuration information corresponding to the at least one piece of CSI reporting configuration information, wherein one piece of the CSI reporting configuration information corresponds to at least two pieces of resource configuration information, wherein one of the at least two pieces of resource configuration information is used for interference measurement and comprises a plurality of channel state information-reference signal (CSI-RS) resource sets, wherein at least two of the plurality of CSI-RS resource sets comprise a non-zero power channel state information-reference signal (NZP CSI-RS) resource allocated to a second network device, wherein each CSI-RS resource set corresponds to one CSI report, and wherein the plurality of CSI-RS resource sets correspond to a plurality of interference measurement hypotheses configured by the network device; and the transceiver is configured to send the at least one piece of CSI reporting configuration information and the resource configuration information corresponding to the at least one piece of CSI reporting configuration information to a terminal device. ### Claim 10 (depends on 9) The network device according to claim 9, wherein: the transceiver is further configured to send measurement resource indication information to the terminal device, wherein the measurement resource indication information instructs the terminal device to perform measurement based on N CSI-RS resource sets, wherein the N CSI-RS resource sets are N of M CSI-RS resource sets, and wherein the M CSI-RS resource sets are all CSI-RS resource sets corresponding to the at least one piece of CSI reporting configuration information, wherein M and N are positive integers, and 1≤N≤M. ### Claim 11 (depends on 10) The network device according to claim 10, wherein: the transceiver is further configured to send reporting indication information to the terminal device, wherein the reporting indication information instructs the terminal device to report L CSI reports, and wherein the L CSI reports are L of N′ CSI reports corresponding to the N CSI-RS resource sets, wherein L and N′ are positive integers, 1≤L≤N′, and N≤N′. ### Claim 12 (depends on 11) The network device according to claim 11, wherein the reporting indication information further indicates an identifier of a CSI-RS resource set corresponding to each of the L CSI reports, or the reporting indication information further instructs the terminal device to report an identifier of a CSI-RS resource set corresponding to each of the L CSI reports. ### Claim 13 A terminal device, comprising at least one processor, one or more memories, and a transceiver, wherein: the one or more memories are coupled to the at least one processor and store programming instructions for execution by at least one processor to perform measurement based on resource configuration information corresponding to at least one piece of channel state information (CSI) reporting configuration information received from a network device, wherein one piece of the CSI reporting configuration information corresponds to at least two pieces of resource configuration information, wherein one of the at least two pieces of resource configuration information is used for interference measurement and comprises a plurality of channel state information-reference signal (CSI-RS) resource sets, wherein at least two of the plurality of CSI-RS resource sets comprise a non-zero power channel state information-reference signal (NZP CSI-RS) resource allocated to a second network device, and wherein the plurality of CSI-RS resource sets correspond to a plurality of interference measurement hypotheses; and the transceiver is configured to send a CSI measurement result to the network device, wherein the CSI measurement result comprises the CSI report, and wherein each CSI-RS resource set corresponds to one CSI report. ### Claim 14 (depends on 13) The terminal device according to claim 13, wherein the programming instructions are for execution by the at least one processor to: perform measurement based on the resource configuration information that corresponds to the at least one piece of CSI reporting configuration information and that is used for channel measurement; and perform measurement based on the resource configuration information that corresponds to the at least one piece of CSI reporting configuration information and that is used for interference measurement. ### Claim 15 (depends on 14) The terminal device according to claim 14, wherein the programming instructions are for execution by the at least one processor to perform measurement based on a resource set indicated by measurement resource indication information sent by the network device, wherein the measurement resource indication information instructs the terminal device to perform measurement based on N CSI-RS resource sets, wherein the N CSI-RS resource sets are N of M CSI-RS resource sets, and wherein the M CSI-RS resource sets are all CSI-RS resource sets corresponding to the at least one piece of CSI reporting configuration information, wherein M and N are positive integers, and 1≤N≤M. ### Claim 16 (depends on 15) The terminal device according to claim 15, wherein the transceiver is configured to send a CSI measurement result to the network device based on reporting indication information sent by the network device, wherein the CSI measurement result comprises L CSI reports, and wherein the L CSI reports are L of N′ CSI reports corresponding to the N CSI-RS resource sets, wherein L and N′ are positive integers, 1≤L≤N′, and N≤N′. ### Claim 17 (depends on 16) The terminal device according to claim 16, wherein the reporting indication information further indicates an identifier of a CSI-RS resource set corresponding to each of the L CSI reports, or the CSI measurement result further comprises an identifier of a CSI-RS resource set corresponding to each of the L CSI reports. ### Claim 18 A non-transitory computer readable storage medium, comprising instructions, wherein when the instructions run on a computer, the computer performs a channel state information processing method, and wherein the method comprises: performing, measurement based on resource configuration information corresponding to at least one piece of channel state information (CSI) reporting configuration information received from a network device, wherein one piece of the CSI reporting configuration information corresponds to at least two pieces of resource configuration information, wherein one of the at least two pieces of resource configuration information is used for interference measurement and comprises a plurality of channel state information-reference signal (CSI-RS) resource sets, wherein at least two of the plurality of CSI-RS resource sets comprise a non-zero power channel state information-reference signal (NZP CSI-RS) resource allocated to a second network device, and wherein the plurality of CSI-RS resource sets correspond to a plurality of interference measurement hypotheses; and sending, a CSI measurement result to the network device, wherein the CSI measurement result comprises the CSI report, and wherein each CSI-RS resource set corresponds to one CSI report. ### Claim 19 A chip, wherein the chip comprises a processor and interface, wherein the processor is configured to implement a channel state information processing method, and wherein the method comprises: performing, measurement based on resource configuration information corresponding to at least one piece of channel state information (CSI) reporting configuration information received from a network device, wherein one piece of the CSI reporting configuration information corresponds to at least two pieces of resource configuration information, wherein one of the at least two pieces of resource configuration information is used for interference measurement and comprises a plurality of channel state information-reference signal (CSI-RS) resource sets, wherein at least two of the plurality of CSI-RS resource sets comprise a non-zero power channel state information-reference signal (NZP CSI-RS) resource allocated to a second network device, and wherein the plurality of CSI-RS resource sets correspond to at least one interference measurement hypothesis; and sending, a CSI measurement result to the network device, wherein the CSI measurement result comprises the CSI report, and wherein each CSI-RS resource set corresponds to one CSI report. ### Claim 20 A chip, wherein the chip comprises a processor and a memory, wherein the memory stores a program instruction, and the processor is configured to read and execute the program instruction to implement a channel state information processing method, and wherein the method comprises: performing, measurement based on resource configuration information corresponding to at least one piece of channel state information (CSI) reporting configuration information, wherein one piece of the CSI reporting configuration information corresponds to at least two pieces of resource configuration information received from a network device, wherein one of the at least two pieces of resource configuration information is used for interference measurement and comprises a plurality of channel state information-reference signal (CSI-RS) resource sets, wherein at least two of the plurality of CSI-RS resource sets comprise a non-zero power channel state information-reference signal (NZP CSI-RS) resource allocated to a second network device, and wherein the plurality of CSI-RS resource sets correspond to at least one interference measurement hypothesis; and sending, a CSI measurement result to the network device, wherein the CSI measurement result comprises the CSI report, and wherein each CSI-RS resource set corresponds to one CSI report.