# US 2021/0243632 A1 · Measurements on a first band applicable to procedures on a second band > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0243632 A1 - Document ID: US20210243632A1 - Status: Published application - Kind: A1 - Application number: 17/159,548 - Filed: 2021-01-27 - Published: 2021-08-05 - Earliest claimed: 2020-01-31 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Hamed PEZESHKI; Tao LUO; Taesang YOO; Arumugam CHENDAMARAI KANNAN; Sony AKKARAKARAN; Jingchao BAO - Web page: https://patentgrep.com/patent/US20210243632A1 ## CPC - H04W 24/10: Scheduling measurement reports {; Arrangements for measurement reports} - G06N 3/0464: Convolutional networks [CNN, ConvNet] - G06N 3/09: Supervised learning - G06N 20/00: Machine learning - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W 76/27: Transitions between radio resource control [RRC] states - H04W 80/02: Data link layer protocols - G06N 3/044: Recurrent networks, e.g. Hopfield networks - G06N 3/045: Combinations of networks - G06N 3/084: Backpropagation, e.g. using gradient descent - G10L 19/04: using predictive techniques - H04B 17/3912: {Simulation models, e.g. distribution of spectral power density or received signal strength indicator [RSSI] for a given geographic region} - H04B 17/3913: {Predictive models, e.g. based on neural network models} - H04L 41/16: using machine learning or artificial intelligence - H04N 21/4666: {using neural networks, e.g. processing the feedback provided by the user} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - G06N: COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS - G10L: SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract Certain aspects of the present disclosure provide techniques for measurements on a first frequency band applicable to procedures on a second frequency band. A technique that may be performed by a user equipment (UE) may include sending a base station (BS) an indication of the first frequency band, which may be a preferred measurement frequency band. The UE may then measure one or more reference signals (RSs) on the preferred measurement frequency band. The UE may then apply the measurements of the one or more RSs on the preferred measurement frequency band for one or more procedures on the second frequency band. ## Claims ### Claim 1 An apparatus for wireless communications, comprising: a memory; and at least one processor coupled with the memory and configured to: send a base station (BS) an indication of a preferred measurement frequency band; measure one or more reference signals (RSs) on the preferred measurement frequency band; and apply the measurements of the one or more RSs on the preferred measurement frequency band for one or more procedures on a second frequency band. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the at least one processor is further configured to apply the measurements of the one or more RSs on the preferred measurement frequency band for one or more procedures on one or more third frequency bands. ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the preferred measurement frequency band and the second frequency band are in a same frequency range. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein the preferred measurement frequency band is in a first frequency range and the second frequency band is in a second frequency range. ### Claim 5 (depends on 4) The apparatus of claim 4, wherein the first frequency range is a lower frequency range than the second frequency range. ### Claim 6 (depends on 1) The apparatus of claim 1, wherein the at least one processor is configured to: estimating one or more channel parameters of the second frequency band using a machine learning (ML) algorithm with the measurements of the one or more RSs on the preferred measurement frequency band as an input to the ML algorithm. ### Claim 7 (depends on 1) The apparatus of claim 1, wherein the at least one processor is configured to send the BS the indication of the preferred measurement frequency band via at least one of: radio resource control (RRC) signaling, physical uplink control channel (PUCCH) signaling, or a medium access control (MAC) control element (MAC-CE). ### Claim 8 (depends on 1) The apparatus of claim 1, wherein the at least one processor is configured to send the BS the indication in a capability report. ### Claim 9 (depends on 1) The apparatus of claim 1, wherein the at least one processor is further configured to: receive from the BS, in response to the indication of the preferred measurement frequency band, a configuration of resources for the preferred measurement frequency band, wherein measuring the one or more RSs on the preferred measurement frequency band comprises measuring the one or more RSs using the configuration of the resources for the preferred measurement band. ### Claim 10 (depends on 9) The apparatus of claim 9, wherein the configuration of the resources comprises, for each of the configured resources, an indication of one or more other frequency bands for which measurements using the configured resource is applicable, and wherein the one or more other frequency bands includes the second frequency band. ### Claim 11 (depends on 1) The apparatus of claim 1, wherein the at least one processor is further configured to: report the measurements of the one or more RSs on the preferred measurement frequency band, to the BS, and an indication of one or more frequency bands, including the second frequency band, for which the measurements are applicable. ### Claim 12 (depends on 1) The apparatus of claim 1, wherein the one or more procedures comprise at least one of: a channel state information (CSI) reporting procedure, a mobility procedure, a frequency band assignment procedure, a beam management procedure, a beam failure detection procedure, a beam failure recovery procedure, a channel quality indicator (CQI) predication procedure, or a band quality procedure. ### Claim 13 (depends on 1) The apparatus of claim 1, wherein the at least one processor is further configured to: select the preferred measurement frequency band based on at least one of: a hardware architecture of the apparatus, a radio frequency (RF) circuitry of the apparatus, or an amount of measurement overhead associated with one or more frequency ranges. ### Claim 14 An apparatus for wireless communications, comprising: a memory; and at least one processor coupled with the memory and configured to: receive an indication of a preferred measurement frequency band from a user equipment (UE); send, the UE, a configuration of resources for the preferred measurement frequency band; and send, the UE, one or more reference signals (RSs) on the preferred measurement frequency band. ### Claim 15 (depends on 14) The apparatus of claim 14, wherein the at least one processor is further configured to: receive, from the UE, a report of measurements of the one or more RSs on the preferred measurement frequency band and an indication of one or more other frequency bands for which the measurements of the one or more RSs on the preferred measurement frequency band are applicable. ### Claim 16 (depends on 14) The apparatus of claim 14, wherein the configuration of the resources for the preferred measurement frequency band comprises, for each configured resource, one or more other frequency bands for which measurements using the configured resource is applicable. ### Claim 17 (depends on 16) The apparatus of claim 16, wherein the preferred measurement frequency band and the one or more other frequency bands are in a same frequency range. ### Claim 18 (depends on 16) The apparatus of claim 16, wherein the preferred measurement frequency band is in a first frequency range and the one or more other frequency bands is in a second frequency range. ### Claim 19 (depends on 18) The apparatus of claim 18, wherein the first frequency range is in a lower frequency range and the second frequency range. ### Claim 20 (depends on 14) The apparatus of claim 14, wherein the at least one processor is configured to receive the indication of the preferred measurement frequency band via at least one of: radio resource control (RRC) signaling, physical uplink control channel (PUCCH) signaling, or a medium access control (MAC) control element (MAC-CE). ### Claim 21 (depends on 14) The apparatus of claim 14, wherein the at least one processor is configured to receive the indication of the preferred measurement frequency in a UE capability report. ### Claim 22 A method for wireless communications by a user equipment (UE), comprising: sending a base station (BS) an indication of a preferred measurement frequency band; measuring one or more reference signals (RSs) on the preferred measurement frequency band; and applying the measurements of the one or more RSs on the preferred measurement frequency band for one or more procedures on a second frequency band. ### Claim 23 (depends on 22) The method of claim 22, further comprising applying the measurements of the one or more RSs on the preferred measurement frequency band for one or more procedures on one or more third frequency bands. ### Claim 24 (depends on 22) The method of claim 22, wherein the preferred measurement frequency band and the second frequency band are in a same frequency range. ### Claim 25 (depends on 22) The method of claim 22, wherein the preferred measurement frequency band is in a first frequency range and the second frequency band is in a second frequency range. ### Claim 26 (depends on 22) The method of claim 22, wherein applying the measurements of the one or more RSs on the preferred measurement frequency band for the one or more procedures on the second frequency band includes: estimating one or more channel parameters of the second frequency band using a machine learning (ML) algorithm with the measurements of the one or more RSs on the preferred measurement frequency band as an input to the ML algorithm. ### Claim 27 A method for wireless communications by a base station (BS), comprising: receiving an indication of a preferred measurement frequency band from a user equipment (UE); sending the UE a configuration of resources for the preferred measurement frequency band; and sending the UE one or more reference signals (RSs) on the preferred measurement frequency band. ### Claim 28 (depends on 27) The method of claim 27, further comprising: receiving, from the UE, a report of measurements of the one or more RSs on the preferred measurement frequency band and an indication of one or more other frequency bands for which the measurements of the one or more RSs on the preferred measurement frequency band are applicable. ### Claim 29 (depends on 27) The method of claim 27, wherein the configuration of the resources for the preferred measurement frequency band comprises, for each configured resource, one or more other frequency bands for which measurements using the configured resource is applicable. ### Claim 30 (depends on 29) The method of claim 29, wherein the preferred measurement frequency band and the one or more other frequency bands are in a same frequency range.