# US 2018/0324603 A1 · Systems and methods of determining a transmitter or receiver configuration > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0324603 A1 - Document ID: US20180324603A1 - Status: Published application - Kind: A1 - Application number: 15/547,289 - Filed: 2017-05-05 - Published: 2018-11-08 - Earliest claimed: 2017-05-05 - Assignees: Telefonaktiebolaget LM Ericsson (publ) - Applicants: Telefonaktiebolaget LM Ericsson (publ) - Inventors: Martin Hessler; Jonas Fröberg Olsson - Web page: https://patentgrep.com/patent/US20180324603A1 ## CPC - H04L 27/26025: {Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking (allocating sub-channels of the transmission path H04L5/003)} - H04B 7/0615: {of weighted versions of same signal} - H04B 7/0626: {Channel coefficients, e.g. channel state information [CSI]} - H04B 7/08: at the receiving station - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0092: {Indication of how the channel is divided} - H04L 27/2646: {using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length} - H04W 24/02: Arrangements for optimising operational condition - H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT} - H04L 5/0023: {Time-frequency-space} - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Systems and methods of determining a transmitter or receiver configuration in a wireless communication system are provided. In one exemplary embodiment, a method performed by a radio node (101, 111, 200, 300a-b, 500, 700a-b) in a wireless communication system (100) comprises determining (405) a first transmitter or receiver configuration for transmission or reception in a first frequency spectrum (121) having a first sub-carrier spacing (123) based on a channel information measurement in a second frequency spectrum (131) having a second sub-carrier spacing (133), wherein the first (123) and second (133) sub-carrier spacings are different and the first (121) and second (131) frequency spectrums overlap. ## Claims ### Claim at position 1 1-85. (canceled) ### Claim 86 A method performed by a radio node in a wireless communication system, comprising: determining a first transmitter or receiver configuration for transmission or reception in a first frequency spectrum having a first sub-carrier spacing based on a channel information measurement in a second frequency spectrum having a second sub-carrier spacing, wherein the first and second sub-carrier spacings are different and the first and second frequency spectrums overlap. ### Claim 87 (depends on 86) The method of claim 86, wherein said determining the first transmitter or receiver configuration includes determining transmit precoder coefficients or receive beamforming weights to enable the transmission or reception in the first frequency spectrum based on the channel information measurement in the second frequency spectrum. ### Claim 88 (depends on 86) The method of claim 86, wherein said determining the first transmitter or receiver configuration is a function of a second transmitter or receiver configuration enabled for transmission or reception in the second frequency spectrum, wherein the second transmitter or receiver configuration is determined based on the channel information measurement in the second frequency spectrum. ### Claim 89 (depends on 86) The method of claim 86, wherein said determining the first transmitter or receiver configuration includes upconverting or downconverting a second transmitter or receiver configuration enabled for transmission or reception in the second frequency spectrum, wherein the second sub-carrier spacing is less than the first sub-carrier spacing. ### Claim 90 (depends on 89) The method of claim 89, wherein said upconverting or downconverting includes respective low pass filtering or interpolation filtering transmit precoder coefficients or receive beamforming weights enabled for transmissions or receptions on contiguous sub-carriers in the second frequency spectrum to obtain transmit precoder coefficients or receive beamforming weights for transmission or reception on at least one sub-carrier in the first frequency spectrum. ### Claim 91 (depends on 86) The method of claim 86, further comprising: mapping one or more second sub-carriers in the second frequency spectrum having the second sub-carrier spacing to one or more first sub-carriers in the first frequency spectrum having the first sub-carrier spacing; and wherein said determining the first transmitter or receiver configuration includes determining the first transmitter or receiver configuration for transmission or reception on the one or more first sub-carriers based on the channel information measurement on the one or more second sub-carriers. ### Claim 92 (depends on 86) The method of claim 86, further comprising: reporting the channel information for the first frequency spectrum based on the channel information measurement in the second frequency spectrum having the second sub-carrier spacing. ### Claim 93 (depends on 86) The method of claim 86, further comprising: transmitting or receiving a signal in the first frequency spectrum having the first sub-carrier spacing based on the first transmitter or receiver configuration. ### Claim 94 (depends on 86) The method of claim 86, wherein the first transmitter or receiver configuration is related to at least one of: transmit precoder coefficients or receive beamforming coefficients; a transmission format; power control information; and channel analysis data. ### Claim 95 A radio node, comprising: at least one processor and a memory, the memory comprising instructions executable by the at least one processor whereby the radio node is configured to: determine a first transmitter or receiver configuration for transmission or reception in a first frequency spectrum having a first sub-carrier spacing based on a channel information measurement in a second frequency spectrum having a second sub-carrier spacing, wherein the first and second sub-carrier spacings are different and the first and second frequency spectrums overlap. ### Claim 96 A method performed by a radio node in a wireless communication system, comprising: reporting channel information for a first frequency spectrum having a first sub-carrier spacing based on a channel information measurement in a second frequency spectrum having a second sub-carrier spacing, wherein the first and second sub-carrier spacings are different and the first and second frequency spectrums overlap. ### Claim 97 A radio node, comprising: at least one processor and a memory, the memory comprising instructions executable by the at least one processor whereby the radio node is configured to: report channel information for a first frequency spectrum having a first sub-carrier spacing based on a channel information measurement in a second frequency spectrum having a second sub-carrier spacing, wherein the first and second sub-carrier spacings are different and the first and second frequency spectrums overlap. ### Claim 98 A method performed by a radio node in a wireless communication system, comprising: receiving channel information for a first frequency spectrum having a first sub-carrier spacing based on one or more signals transmitted in a second frequency spectrum having a second sub-carrier spacing with the one or more signals enabling a channel information measurement, wherein the first and second sub-carrier spacings are different and the first and second frequency spectrums overlap. ### Claim 99 (depends on 98) The method of claim 98, further comprising: determining a first transmitter or receiver configuration for transmission or reception in the first frequency spectrum having the first sub-carrier spacing based on the channel information for the first frequency spectrum; and transmitting or receiving a signal in the first frequency spectrum having the first sub-carrier spacing based on the first transmitter or receiver configuration. ### Claim 100 (depends on 99) The method of claim 99, further comprising: mapping one or more second sub-carriers in the second frequency spectrum having the second sub-carrier spacing to one or more first sub-carriers in the first frequency spectrum having the first sub-carrier spacing; and wherein said determining the first transmitter or receiver configuration includes determining the first transmitter or receiver configuration for transmission or reception on the one or more first sub-carriers based on the channel information measurement on the one or more second sub-carriers. ### Claim 101 (depends on 99) The method of claim 99, wherein the first transmitter or receiver configuration is related to at least one of: transmit precoder coefficients or receive beamforming coefficients; a transmission format; power control information; and channel analysis data. ### Claim 102 A radio node, comprising: at least one processor and a memory, the memory comprising instructions executable by the at least one processor whereby the radio node is configured to: receive channel information for a first frequency spectrum having a first sub-carrier spacing based on one or more signals transmitted in a second frequency spectrum having a second sub-carrier spacing with the one or more signals enabling a channel information measurement, wherein the first and second sub-carrier spacings are different and the first and second frequency spectrums overlap. ### Claim 103 A method performed by a radio node in a wireless communication system, comprising: determining a first transmitter or receiver configuration for transmission or reception in a first frequency spectrum having a first sub-carrier spacing based on channel information received from another radio node and related to a second frequency spectrum having a second sub-carrier spacing, wherein the first and second sub-carrier spacings are different and the first and second frequency spectrums overlap. ### Claim 104 (depends on 103) The method of claim 103, wherein said determining the first transmitter or receiver configuration includes determining transmit precoder coefficients or receive beamforming weights to enable the transmission or reception in the first frequency spectrum based on the channel information related to the second frequency spectrum). ### Claim 105 (depends on 103) The method of claim 103, wherein said determining the first transmitter or receiver configuration is a function of a second transmitter or receiver configuration enabled for transmission or reception in the second frequency spectrum, wherein the second transmitter or receiver configuration is determined based on the channel information related to the second frequency spectrum. ### Claim 106 (depends on 103) The method of claim 103, wherein said determining the first transmitter or receiver configuration includes upconverting or downconverting a second transmitter or receiver configuration enabled for transmission or reception in the second frequency spectrum, wherein the second sub-carrier spacing is less than the first sub-carrier spacing. ### Claim 107 (depends on 103) The method of claim 103, further comprising: mapping one or more second sub-carriers in the second frequency spectrum having the second sub-carrier spacing to one or more first sub-carriers in the first frequency spectrum having the first sub-carrier spacing; and wherein said determining the first transmitter or receiver configuration includes determining the first transmitter or receiver configuration for transmission or reception on the one or more first sub-carriers based on the channel information measurement on the one or more second sub-carriers. ### Claim 108 (depends on 103) The method of any of claim 103, further comprising: transmitting or receiving a signal in the first frequency spectrum having the first sub-carrier spacing based on the first transmitter or receiver configuration. ### Claim 109 (depends on 103) The method of claim 103, wherein the first transmitter or receiver configuration is related to at least one of: transmit precoder coefficients or receive beamforming coefficients; a transmission format; power control information; and channel analysis data. ### Claim 110 A radio node, comprising: at least one processor and a memory, the memory comprising instructions executable by the at least one processor whereby the radio node is configured to: determine a first transmitter or receiver configuration for transmission or reception in a first frequency spectrum having a first sub-carrier spacing based on channel information received from another radio node and related to a second frequency spectrum having a second sub-carrier spacing, wherein the first and second sub-carrier spacings are different and the first and second frequency spectrums overlap.