# US 12,764,684 B2 · Synchronisation signaling for wireless communication network > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,764,684 B2 - Document ID: US12764684B2 - Status: Granted - Kind: B2 - Application number: 18/247,781 - Filed: 2020-10-12 - Published: 2023-12-14 - Granted: 2026-10-13 - Earliest claimed: 2020-10-12 - Assignees: Telefonaktiebolaget LM Ericsson (publ) - Applicants: Telefonaktiebolaget LM Ericsson (publ) - Inventors: Ning He; Håkan Björkegren; Robert Baldemair; Mattias Frenne - Web page: https://patentgrep.com/patent/US12764684B2 ## CPC - H04W 56/0015: {one node acting as a reference for the others} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract There is disclosed a method of operating a transmitting radio node in a wireless communication network. The method includes transmitting first synchronisation signaling having one or more first pairs of allocation units carrying broadcast signaling, and transmitting second synchronisation signaling having one or more second pairs of allocation units carrying broadcast signaling, wherein broadcast signaling carried on the first and second pairs of allocation units are cross-wise associated. The disclosure also pertains to related devices and methods. ## Claims ### Claim 1 A method of operating a transmitting radio node in a wireless communication network, the method comprising: transmitting first synchronisation signaling comprising one or more first pairs of allocation units carrying broadcast signaling; and transmitting second synchronisation signaling comprising one or more second pairs of allocation units carrying broadcast signaling, the broadcast signaling carried in first and second pairs of allocation units being cross-wise associated, and the cross-wise association of the broadcast signaling being at an allocation unit level, the cross-wise association comprising broadcast signaling carried on a leading allocation unit of a first pair of allocation units associated to a trailing allocation unit of a second pair of allocation units, and the trailing allocation of the first pair being a negative complex conjugate of the leading allocation unit of the second pair. ### Claim 2 A transmitting radio node for a wireless communication network, the transmitting radio node comprising: processing circuitry; and radio circuitry connected to the processing circuitry, to configure the transmitting radio node to: transmit first synchronisation signaling comprising one or more first pairs of allocation units carrying broadcast signaling; and transmit second synchronisation signaling comprising one or more second pairs of allocation units carrying broadcast signaling, the broadcast signaling carried in first and second pairs of allocation units being cross-wise associated, and the cross-wise association of the broadcast signaling being at an allocation unit level, the cross-wise association of the broadcast signaling carried on a leading allocation unit of a first pair of allocation units associated to a trailing allocation unit of a second pair of allocation units, and the trailing allocation of the first pair being a negative complex conjugate of the leading allocation unit of the second pair. ### Claim 3 A method of operating a receiving radio node in a wireless communication network, the method comprising: communicating based on received first synchronisation signaling comprising one or more first pairs of allocation units carrying broadcast signaling, and received second synchronisation signaling comprising one or more second pairs of allocation units carrying broadcast signaling, the broadcast signaling carried in first and second pairs of allocation units being cross-wise associated, and the cross-wise association of the broadcast signaling being at an allocation unit level, the cross-wise association of the broadcast signaling carried on a leading allocation unit of a first pair of allocation units associated to a trailing allocation unit of a second pair of allocation units, and the trailing allocation of the first pair of allocation units being a negative complex conjugate of the leading allocation unit of the second pair. ### Claim 4 A receiving radio node for a wireless communication network, the receiving radio node comprising radio circuitry to configure the receiving radio node to: communicate based on received first synchronisation signaling comprising one or more first pairs of allocation units carrying broadcast signaling, and received second synchronisation signaling comprising one or more second pairs of allocation units carrying broadcast signaling, the broadcast signaling carried in first and second pairs of allocation units being cross-wise associated and the cross-wise association of the broadcast signaling being at an allocation unit level, the cross-wise association of the broadcast signaling carried on a leading allocation unit of a first pair of allocation units associated to a trailing allocation unit of a second pair of allocation units, and the trailing allocation of the first pair of allocation units being a negative complex conjugate of the leading allocation unit of the second pair. ### Claim 5 (depends on 1) The method according to claim 1, wherein cross-wise association refers to signaling carried on a trailing allocation unit of a first pair of allocation units is associated to a leading allocation unit of a second pair of allocation units. ### Claim 6 (depends on 1) The method according to claim 1, wherein the first synchronisation signaling comprises 2 or 3 first pairs of allocation units, and the second synchronisation signaling comprises 2 or 3 second pairs of allocation units. ### Claim 7 (depends on 1) The method according to claim 1, wherein the first pairs and second pairs are neighbouring in time domain to secondary synchronisation signaling. ### Claim 8 (depends on 1) The method according to claim 1, wherein the first pairs are in an order in time domain, and the second pairs are in an order in time domain, wherein first and second pairs corresponding to each other according to the order in time domain correspond to the same information content. ### Claim 9 A non-transitory computer storage medium storing a computer program having instructions causing processing circuitry to one of both control and perform a method, the method comprising: transmitting first synchronisation signaling comprising one or more first pairs of allocation units carrying broadcast signaling; and transmitting second synchronisation signaling comprising one or more second pairs of allocation units carrying broadcast signaling, the broadcast signaling carried on first and second pairs of allocation units being cross-wise associated, and the cross-wise association of the broadcast signaling being at an allocation unit level, the cross-wise association of the broadcast signaling carried on a leading allocation unit of a first pair of allocation units associated to a trailing allocation unit of a second pair of allocation units, and the trailing allocation of the first pair of allocation units being a negative complex conjugate of the leading allocation unit of the second pair. ### Claim 10 (depends on 3) The method according to claim 3, wherein cross-wise association refers to broadcast signaling carried on a leading allocation unit of a first pair of allocation units being associated to a trailing allocation unit of a second pair of allocation units. ### Claim 11 (depends on 10) The method according to claim 10, wherein the trailing allocation unit of the second pair is a complex conjugate of the leading allocation unit of the first pair. ### Claim 12 (depends on 3) The method according to claim 3, wherein cross-wise association refers to signaling carried on a trailing allocation unit of a first pair of allocation units is associated to a leading allocation unit of a second pair of allocation units. ### Claim 13 (depends on 12) The method according to claim 12, wherein the trailing allocation unit of the first pair may be the negative complex conjugate of the leading allocation unit of the second pair. ### Claim 14 (depends on 3) The method according to claim 3, wherein the first synchronisation signaling comprises 2 or 3 first pairs of allocation units, and the second synchronisation signaling comprises 2 or 3 second pairs of allocation units. ### Claim 15 (depends on 3) The method according to claim 3, wherein the first pairs and second pairs are neighbouring in time domain to secondary synchronisation signaling. ### Claim 16 (depends on 3) The method according to claim 3, wherein the first pairs are in an order in time domain, and the second pairs are in an order in time domain, wherein first and second pairs corresponding to each other according to the order in time domain correspond to the same information content. ### Claim 17 (depends on 5) The method according to claim 5, wherein the first pairs and second pairs are neighbouring in time domain to secondary synchronisation signaling. ### Claim 18 (depends on 6) The method according to claim 6, wherein the first pairs and second pairs are neighbouring in time domain to secondary synchronisation signaling.