# US 8,543,149 B2 · Message-based approach for improved interference power estimation > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,543,149 B2 - Document ID: US8543149B2 - Status: Granted - Kind: B2 - Application number: 12/286,223 - Filed: 2008-09-29 - Published: 2009-10-08 - Granted: 2013-09-24 - Earliest claimed: 2008-04-04 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Zhouyue Pi; Farooq Khan - Inventors: Zhouyue Pi; Farooq Khan - Web page: https://patentgrep.com/patent/US8543149B2 ## CPC - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - H04W 72/54: based on quality criteria - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A method of operating a base station comprising determining one or more time-frequency resources to be used for interference power estimation, generating a message indicating the one or more time-frequency resources to be used for interference power estimation, and transmitting the message to a subscriber station. ## Claims ### Claim 1 A method of operating a base station comprising: determining, based on system deployment information, one or more time-frequency resources to be usedfor interference power estimation, wherein the system deployment information comprises at least one of: a frequency reuse factor, an inter-cell interference management scheme, and a fractional frequency re-use pattern; generating a message indicating the one or more time-frequency resources to be used for interference power estimation by a subscriber station; and transmitting the message to the subscriber station. ### Claim 2 (depends on 1) The method of claim 1, wherein a time-frequency resource of the one or more time-frequency resources is one of a resource element and a sub-carrier. ### Claim 3 (depends on 1) The method of claim 1, wherein the one or more time-frequency resources comprises a used time-frequency resource and an unused time-frequency resource. ### Claim 4 (depends on 1) The method of claim 1, wherein the one or more time-frequency resources comprises a reserved time-frequency resource. ### Claim 5 (depends on 1) The method of claim 1, wherein generating a message indicating one or more time-frequency resources to be used for interference power estimation further comprises: addressing the message to an identification. ### Claim 6 (depends on 5) The method of claim 5, wherein the identification is one of a media access control (MAC) identification and a user equipment (UE) identification. ### Claim 7 (depends on 1) The method of claim 1, wherein the message is one of a signaling message and a control channel message. ### Claim 8 (depends on 1) The method of claim 1, wherein the one or more time-frequency resources indicated in the message are dynamically adjusted. ### Claim 9 A wireless communication network comprising a plurality of base stations capable of wireless communication with a plurality of subscriber stations within a coverage area of the network, wherein at least one of the plurality of base stations is configured to: determine, based on system deployment information, one or more time-frequency resources to be used for interference power estimation, wherein the system deployment information comprises at least one of: a frequency reuse factor, an inter-cell interference management scheme, and a fractional frequency re-use pattern; generating a message indicating the one or more time-frequency resources to be used for interference power estimation by at least one of the plurality of subscriber stations; and transmit the message to the at least one subscriber station. ### Claim 10 (depends on 9) The network of claim 9, wherein a time-frequency resource of the one or more time-frequency resources is one of a resource element and a sub-carrier. ### Claim 11 (depends on 9) The network of claim 9, wherein the one or more time-frequency resources comprises a used time-frequency resource and an unused time-frequency resource. ### Claim 12 (depends on 9) The network of claim 9, wherein the one or more time-frequency resources comprises a reserved time-frequency resource. ### Claim 13 (depends on 9) The network of claim 9, wherein the at least one base station is configured to address the message to an identification. ### Claim 14 (depends on 13) The network of claim 13, wherein the identification is one of a media access control (MAC) identification and a user equipment (UE) identification. ### Claim 15 (depends on 9) The network of claim 9, wherein the message is one of a signaling message and a control channel message. ### Claim 16 (depends on 9) The network of claim 9, wherein the one or more time-frequency resources indicated in the message are dynamically adjusted. ### Claim 17 A base station capable of wireless communication with a plurality of subscriber stations within a coverage area of a network, where the base station is configured to: determine, based on system deployment information, one or more time-frequency resources to be used for interference power estimation, wherein the system deployment information comprises at least one of: a frequency reuse factor, an inter-cell interference management scheme, and a fractional frequency re-use pattern; generate a message indicating the one or more time-frequency resources to be used for interference power estimation by a subscriber station; and transmit the message to the subscriber station. ### Claim 18 (depends on 17) The base station of claim 17, wherein a time-frequency resource of the one or more time-frequency resources is one of a resource element and a sub-carrier. ### Claim 19 (depends on 17) The base station of claim 17, wherein the one or more time-frequency resources comprises a used time-frequency resource and an unused time-frequency resource. ### Claim 20 (depends on 17) The base station of claim 17, wherein the one or more time-frequency resources comprises a reserved time-frequency resource. ### Claim 21 (depends on 17) The base station of claim 17, wherein the base station is configured to address the message to an identification. ### Claim 22 (depends on 21) The base station of claim 21, wherein the identification is one of a media access control (MAC) identification and a user equipment (UE) identification. ### Claim 23 (depends on 17) The base station of claim 17, wherein the message is one of a signaling message and a control channel message. ### Claim 24 (depends on 17) The base station of claim 17, wherein the one or more time-frequency resources indicated in the message are dynamically adjusted. ### Claim 25 A subscriber station capable of wireless communication with a base station within a coverage area of a network, wherein the subscriber station is configured to: receive a message indicating one or more time-frequency resources to be used for interference power estimation, wherein the one or more time-frequency resources is selected based on a system deployment information comprising at least one of: a frequency reuse factor, an inter-cell interference management scheme, and a fractional frequency re-use pattern; decoding the message; and estimate an interference power using the one or more time-frequency resources indicated in the message. ### Claim 26 (depends on 25) The subscriber station of claim 25, wherein a time-frequency resource of the one or more time-frequency resources is one of a resource element and a sub-carrier. ### Claim 27 (depends on 26) The subscriber station of claim 26, wherein the one or more time-frequency resources comprises a used time-frequency resource and an unused time-frequency resource. ### Claim 28 (depends on 26) The subscriber station of claim 26, wherein the one or more time-frequency resources comprises a reserved time-frequency resource. ### Claim 29 (depends on 26) The subscriber station of claim 26, wherein the message is one of a signaling message and a control channel message. ### Claim 30 (depends on 26) The subscriber station of claim 26, wherein the one or more time-frequency resources indicated in the message are dynamically adjusted.