# US 12,119,969 B2 · Non-anchor carrier frequency offset indication > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,119,969 B2 - Document ID: US12119969B2 - Status: Granted - Kind: B2 - Application number: 16/959,956 - Filed: 2018-01-03 - Published: 2021-03-04 - Granted: 2024-10-15 - Earliest claimed: 2018-01-03 - Assignees: Lenovo (Beijing) Limited - Applicants: Lenovo (Beijing) Limited - Inventors: Zhi Yan; Xiaodong Yu; Haipeng Lei; Chenxi Zhu - Web page: https://patentgrep.com/patent/US12119969B2 ## CPC - H04L 27/2602: {Signal structure} - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0092: {Indication of how the channel is divided} - H04W 48/10: using broadcasted information - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/1469: {using time-sharing} - H04W 48/12: using downlink control channel - 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 Methods and apparatuses for indicating a frequency offset of a non-anchor carrier are disclosed. A method comprising: transmitting a broadcast signal on an anchor carrier and transmitting system information on a non-anchor carrier, wherein the broadcast signal includes a frequency offset of the non-anchor carrier to the anchor carrier. ## Claims ### Claim 1 A method performed by a base station, the method comprising: transmitting a broadcast signal on an anchor carrier, wherein the anchor carrier is within a guard band associated with a Long-Term Evolution (LTE) carrier, and the broadcast signal includes bandwidth information of the LTE carrier that includes an LTE carrier bandwidth selected from the group comprising 5 MHz, 10 MHz, 15 MHz, and 20 MHz; and transmitting a system information on a non-anchor carrier, wherein the non-anchor carrier is within the guard band associated with the LTE carrier, and the broadcast signal indicates: a frequency offset between the anchor carrier and the LTE carrier; and a frequency offset between the non-anchor carrier and the anchor carrier, wherein the frequency offset between the non-anchor carrier and the anchor carrier indicates the non-anchor carrier is located on the same side of the guard band associated with the LTE carrier with the anchor carrier or the non-anchor carrier is located on the opposite side of the guard band associated with the LTE carrier to the anchor carrier. ### Claim 2 (depends on 1) The method of claim 1, wherein the frequency offset of the non-anchor carrier to the anchor carrier includes: an information of the non-anchor carrier having a higher or lower frequency than the anchor carrier; and an absolute frequency offset value of the non-anchor carrier to the anchor carrier or some combination thereof. ### Claim 3 (depends on 1) The method of claim 1, wherein the frequency offset of the non-anchor carrier to the anchor carrier includes a relative frequency offset of the non-anchor carrier to the anchor carrier. ### Claim 4 (depends on 1) The method of claim 1, wherein the frequency offset of the non-anchor carrier to the anchor carrier depends on the bandwidth information of the LTE carrier. ### Claim 5 (depends on 1) The method of claim 1, wherein the non-anchor carrier is adjacent to the anchor carrier. ### Claim 6 A base station, comprising: at least one memory; and at least one processor coupled with the at least one memory and configured to cause the base station to: transmit a broadcast signal on an anchor carrier, wherein the anchor carrier is within a guard band associated with a Long-Term Evolution (LTE) carrier, and the broadcast signal includes bandwidth information of the LTE carrier that includes an LTE carrier bandwidth selected from the group comprising 5 MHz, 10 MHz, 15 MHz, and 20 MHz; and transmit a system information on a non-anchor carrier, wherein the non-anchor carrier is within the guard band associated with the LTE carrier, and the broadcast signal indicates: a frequency offset between the anchor carrier and the LTE carrier; and a frequency offset between the non-anchor carrier and the anchor carrier, wherein the frequency offset between the non-anchor carrier and the anchor carrier indicates the non-anchor carrier is located on the same side of the guard band associated with the LTE carrier with the anchor carrier or the non-anchor carrier is located on the opposite side of the guard band associated with the LTE carrier to the anchor carrier. ### Claim 7 (depends on 6) The base station of claim 6, wherein the frequency offset of the non-anchor carrier to the anchor carrier includes: an information of the non-anchor carrier having a higher or lower frequency than the anchor carrier; and an absolute frequency offset value of the non-anchor carrier to the anchor carrier or some combination thereof. ### Claim 8 (depends on 6) The base station of claim 6, wherein the frequency offset of the non-anchor carrier to the anchor carrier includes a relative frequency offset of the non-anchor carrier to the anchor carrier. ### Claim 9 (depends on 6) The base station of claim 6, wherein the frequency offset of the non-anchor carrier to the anchor carrier depends on the bandwidth information of the LTE carrier. ### Claim 10 (depends on 6) The base station of claim 6, wherein the non-anchor carrier is adjacent to the anchor carrier. ### Claim 11 A method performed by a user equipment (UE), the method comprising: receiving a broadcast signal on an anchor carrier; and receiving a system information on a non-anchor carrier, wherein the anchor carrier is within a guard band associated with a Long-Term Evolution (LTE) carrier that includes an LTE carrier bandwidth selected from the group comprising 5 MHz, 10 MHz, 15 MHz, and 20 MHz, and the broadcast signal includes bandwidth information of the LTE carrier, the non-anchor carrier is within the guard band associated with the LTE carrier, and the broadcast signal indicates: a frequency offset between the anchor carrier and the LTE carrier; and a frequency offset between the non-anchor carrier and the anchor carrier, wherein the frequency offset between the non-anchor carrier and the anchor carrier indicates the non-anchor carrier is located on the same side of the guard band associated with the LTE carrier with the anchor carrier or the non-anchor carrier is located on the opposite side of the guard band associated with the LTE carrier to the anchor carrier. ### Claim 12 (depends on 11) The method of claim 11, wherein the frequency offset of the non-anchor carrier to the anchor carrier includes an information of the non-anchor carrier having a higher or lower frequency than the anchor carrier and an absolute frequency offset value of the non-anchor carrier to the anchor carrier or some combination thereof. ### Claim 13 (depends on 11) The method of claim 11, wherein the frequency offset of the non-anchor carrier to the anchor carrier includes a relative frequency offset of the non-anchor carrier to the anchor carrier. ### Claim 14 (depends on 11) The method of claim 11, wherein the frequency offset of the non-anchor carrier to the anchor carrier depends on the bandwidth information of the LTE carrier. ### Claim 15 (depends on 11) The method of claim 11, wherein the non-anchor carrier is adjacent to the anchor carrier. ### Claim 16 A user equipment (UE), comprising: at least one memory; and at least one processor coupled with the at least one memory and configured to cause the UE to: receive a broadcast signal on an anchor carrier, wherein the anchor carrier is within a guard band associated with a Long-Term Evolution (LTE) carrier, and the broadcast signal includes bandwidth information of the LTE carrier that includes an LTE carrier bandwidth selected from the group comprising 5 MHz, 10 MHz, 15 MHz, and 20 MHz; and receive a system information on a non-anchor carrier, wherein the non-anchor carrier is within the guard band associated with the LTE carrier, and the broadcast signal indicates: a frequency offset between the anchor carrier and the LTE carrier; and a frequency offset between the non-anchor carrier and the anchor carrier, wherein the frequency offset between the non-anchor carrier and the anchor carrier indicates the non-anchor carrier is located on the same side of the guard band associated with the LTE carrier with the anchor carrier or the non-anchor carrier is located on the opposite side of the guard band associated with the LTE carrier to the anchor carrier. ### Claim 17 (depends on 16) The UE of claim 16, wherein the frequency offset of the non-anchor carrier to the anchor carrier includes an information of the non-anchor carrier having a higher or lower frequency than the anchor carrier and an absolute frequency offset value of the non-anchor carrier to the anchor carrier or some combination thereof. ### Claim 18 (depends on 16) The UE of claim 16, wherein the frequency offset of the non-anchor carrier to the anchor carrier includes a relative frequency offset of the non-anchor carrier to the anchor carrier. ### Claim 19 (depends on 16) The UE of claim 16, wherein the frequency offset of the non-anchor carrier to the anchor carrier depends on the bandwidth information of the LTE carrier. ### Claim 20 (depends on 16) The UE of claim 16, wherein the non-anchor carrier is adjacent to the anchor carrier.