# US 10,374,766 B2 · Electronic device that determines an uplink pilot sequence, and method therefor > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,374,766 B2 - Document ID: US10374766B2 - Status: Granted - Kind: B2 - Application number: 15/327,585 - Filed: 2015-04-10 - Published: 2017-06-29 - Granted: 2019-08-06 - Earliest claimed: 2014-08-07 - Assignees: Sony Corporation - Applicants: Chen Qian; Jinhui Chen; Zhaocheng Wang; Chen Sun - Inventors: Chen Qian; Jinhui Chen; Zhaocheng Wang; Chen Sun - Web page: https://patentgrep.com/patent/US10374766B2 ## CPC - 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 5/0023: {Time-frequency-space} - H04L 5/0051: {of dedicated pilots, i.e. pilots destined for a single user or terminal} - H04L 5/0069: {Allocation based on distance or geographical location} - H04L 5/0073: {Allocation arrangements that take into account other cell interferences} - H04W 72/0466: {the resource being a scrambling code} - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W 64/006: {with additional information processing, e.g. for direction or speed determination} - H04W 72/51: based on terminal or device properties - 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 for an electronic device includes determining, based on indicating information of an uplink pilot sequence allocated by a base station, an uplink pilot sequence, transmitting the uplink pilot sequence, and determining a change in a geographical location of the electronic device. In a case that the geographical locations of the electronic device before and after changing correspond to different cell partitions, the uplink pilot sequence is updated based on the indicating information allocated by the base station, and the updated uplink pilot sequence corresponds to the cell partition corresponding to the geographical location of the electronic device after changing. The uplink pilot sequence is for the base station estimating a channel between the base station and the electronic device, and filtering based on the geographical location of the electronic device during the channel estimation, to obtain a channel estimation result matching the electronic device. ## Claims ### Claim 1 An electronic device, comprising: circuitry, configured to determine, based on indicating information of an uplink pilot sequence allocated by a base station, an uplink pilot sequence of the electronic device, and determine a change in a geographical location of the electronic device, wherein, in a case that the geographical locations of the electronic device before and after changing correspond to different cell partitions, the circuitry updates, based on the indicating information of the uplink pilot sequence allocated by the base station, the uplink pilot sequence of the electronic device, and the updated uplink pilot sequence corresponds to the different cell partition corresponding to the geographical location of the electronic device after changing, and the uplink pilot sequence is for the base station estimating a channel between the base station and the electronic device, and filtering based on the geographical location of the electronic device during the channel estimation, to obtain a channel estimation result matching the electronic device; and the electronic device further comprising a transmitter configured to transmit the uplink pilot sequence to the base station. ### Claim 2 (depends on 1) The electronic device according to claim 1, wherein the transmitter is further configured to transmit information on the geographical location of the electronic device, and the circuitry is further configured to receive the indicating information of the uplink pilot sequence allocated by the base station. ### Claim 3 (depends on 2) The electronic device according to claim 2, wherein the circuitry receives a dedicated control signaling containing the indicating information of the uplink pilot sequence, and the uplink pilot sequence determining unit parses the dedicated control signaling to determine the uplink pilot sequence of the electronic device. ### Claim 4 (depends on 2) The electronic device according to claim 2, wherein the circuitry receives a broadcasting signaling containing the indicating information of the uplink pilot sequence, the broadcasting signaling containing a correspondence between a plurality of cell partitions and a plurality of uplink pilot sequences, and the circuitry parses the broadcasting signaling and determines the uplink pilot sequence of the electronic device according to a cell partition corresponding to a current location of the electronic device. ### Claim 5 A method for an electronic device, comprising: determining, based on indicating information of an uplink pilot sequence allocated by a base station, an uplink pilot sequence of the electronic device; transmitting the uplink pilot sequence to the base station; and determining a change in a geographical location of the electronic device, wherein, in a case that the geographical locations of the electronic device before and after changing correspond to different cell partitions, the uplink pilot sequence of the electronic device is updated based on the indicating information of the uplink pilot sequence allocated by the base station, and the updated uplink pilot sequence corresponds to the different cell partition corresponding to the geographical location of the electronic device after changing, and the uplink pilot sequence is for the base station estimating a channel between the base station and the electronic device, and filtering based on the geographical location of the electronic device during the channel estimation, to obtain a channel estimation result matching the electronic device. ### Claim 6 (depends on 5) The method according to claim 5, further comprising: transmitting information on the geographical location of the electronic device; and receiving the indicating information of the uplink pilot sequence allocated by the base station. ### Claim 7 (depends on 5) The method according to claim 5, further comprising: receiving a dedicated control signaling containing the indicating information of the uplink pilot sequence; and parsing the dedicated control signaling to determine the uplink pilot sequence of the electronic device. ### Claim 8 (depends on 5) The method according to claim 5, further comprising: receiving a broadcasting signaling containing the indicating information of the uplink pilot sequence, the broadcasting signaling containing a correspondence between a plurality of cell partitions and a plurality of uplink pilot sequences; and parsing the broadcasting signaling and determining the uplink pilot sequence of the electronic device according to a cell partition corresponding to a current location of the electronic device. ### Claim 9 A non-transitory computer readable medium including instructions, which when executed by a processor in an electronic device, cause the processor to execute steps comprising: determining, based on indicating information of an uplink pilot sequence allocated by a base station, an uplink pilot sequence of the electronic device; transmitting the uplink pilot sequence to the base station; and determining a change in a geographical location of the electronic device, wherein, in a case that the geographical locations of the electronic device before and after changing correspond to different cell partitions, the uplink pilot sequence of the electronic device is updated based on the indicating information of the uplink pilot sequence allocated by the base station, and the updated uplink pilot sequence corresponds to the different cell partition corresponding to the geographical location of the electronic device after changing, and the uplink pilot sequence is for the base station estimating a channel between the base station and the electronic device, and filtering based on the geographical location of the electronic device during the channel estimation, to obtain a channel estimation result matching the electronic device. ### Claim 10 (depends on 9) The non-transitory computer readable medium according to claim 9, storing instruction further causing the processor to execute steps comprising: transmitting information on the geographical location of the electronic device; and receiving the indicating information of the uplink pilot sequence allocated by the base station. ### Claim 11 (depends on 9) The non-transitory computer readable medium according to claim 9, storing instruction further causing the processor to execute steps comprising: receiving a dedicated control signaling containing the indicating information of the uplink pilot sequence; and parsing the dedicated control signaling to determine the uplink pilot sequence of the electronic device. ### Claim 12 (depends on 9) The non-transitory computer readable medium according to claim 9, storing instruction further causing the processor to execute steps comprising: receiving a broadcasting signaling containing the indicating information of the uplink pilot sequence, the broadcasting signaling containing a correspondence between a plurality of cell partitions and a plurality of uplink pilot sequences; and parsing the broadcasting signaling and determining the uplink pilot sequence of the electronic device according to a cell partition corresponding to a current location of the electronic device.