# US 10,873,403 B2 · Signaling mechanism to enable local operation for multi-antenna wireless communication systems > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,873,403 B2 - Document ID: US10873403B2 - Status: Granted - Kind: B2 - Application number: 15/492,600 - Filed: 2017-04-20 - Published: 2018-03-08 - Granted: 2020-12-22 - Earliest claimed: 2016-09-02 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Kaushik Chakraborty; Tao Luo; Andrzej Partyka; Sumeeth Nagaraja; Sony Akkarakaran; Makesh Pravin John Wilson; Aitzaz Ahmad - Web page: https://patentgrep.com/patent/US10873403B2 ## CPC - H04B 15/00: Suppression or limitation of noise or interference (by means associated with receiver H04B1/10) - H04B 17/318: Received signal strength - 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 5/0069: {Allocation based on distance or geographical location} - H04W 24/02: Arrangements for optimising operational condition - H04W 24/08: Testing, {supervising or monitoring} using real traffic - H04W 52/0235: {where the received signal is a power saving command} - H04W 52/0258: {controlling an operation mode according to history or models of usage information, e.g. activity schedule or time of day} - H04W 72/04: Wireless resource allocation - H04W 72/044: based on the type of the allocated resource - H04W 72/51: based on terminal or device properties - H04W 72/541: using the level of interference - H04L 1/0026: {Transmission of channel quality indication} - H04L 5/0023: {Time-frequency-space} - H04L 25/0202: {Channel estimation} - H04W 52/325: {Power control of control or pilot channels} - H04W 72/046: {the resource being in the space domain, e.g. beams} - Y02D 30/70: in wireless communication networks - H04B: TRANSMISSION - 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) - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract An apparatus capable of performing a local operation in a low-interference environment is desired. In an aspect, the apparatus may be a user equipment (UE). The UE transmits a local operation notification to a base station, the local operation notification indicating a local operation that is local to the UE. The UE receives, from the base station, a resource indicator indicating one or more resources available for the local operation. The UE performs the local operation using the one or more resources. ## Claims ### Claim 1 A method of wireless communication by a user equipment (UE), comprising: transmitting a local operation notification to a base station, the local operation notification indicating a local operation that is local to the UE, the local operation being a self-calibration of the UE or a transmission blockage detection; receiving, from the base station, a resource indicator indicating one or more resources available for the local operation; and performing the local operation using the one or more resources, wherein the performing the local operation comprises: transmitting a reference signal using the one or more resources; determining one or more parameters based on the transmitted reference signal; and performing the local operation based on the determined one or more parameters; wherein the local operation is self-calibration of the UE, and the determining the one or more parameters comprises: measuring the one or more parameters from the transmitted reference signal; and wherein the local operation is performed based on the one or more parameters and based on one or more standard parameters. ### Claim 2 (depends on 1) The method of claim 1, wherein the one or more parameters include at least one of an amplitude or a phase. ### Claim 3 (depends on 1) The method of claim 1, wherein the local operation is transmission blockage detection and the determining the one or more parameters comprises: receiving a reflected signal of the transmitted reference signal; determining a signal strength of the reflected signal and a round-trip time of the reference signal based on a time of the transmission of the reference signal and a time of the reception of the reflected signal, wherein the one or more parameters include the signal strength of the reflected signal and the round-trip time of the reference signal, and wherein the local operation is performed based on the signal strength of the reflected signal and the round-trip time of the reference signal. ### Claim 4 (depends on 3) The method of claim 3, wherein the performing the local operation comprises: determining whether a transmission path is blocked by an object based on the signal strength of the reflected signal and on the round-trip time of the reference signal; and determining a type of the object blocking the transmission path based on the signal strength of the reflected signal and the round-trip time of the reference signal if the transmission path is blocked. ### Claim 5 (depends on 4) The method of claim 4, further comprising: refraining from transmitting a signal via the transmission path if the type of the object blocking the transmission path is a human tissue type; and utilizing the transmission path for signal transmission if the transmission path is not blocked or if the type of the object blocking the transmission path is not the human tissue type. ### Claim 6 (depends on 5) The method of claim 5, further comprising: selecting a second transmission path that is not blocked by the object; and utilizing the second transmission path for signal transmission. ### Claim 7 (depends on 5) The method of claim 5, further comprising: transmitting, to the base station, a blockage notification indicating the blockage in the transmission path if the type of the object blocking the transmission path is the human tissue type. ### Claim 8 (depends on 1) The method of claim 1, wherein the one or more resources include a plurality of transmit resources, and wherein one or more of the plurality of transmit resources are each used for transmission of the reference signal based on a predefined pattern. ### Claim 9 (depends on 8) The method of claim 8, wherein the predefined pattern is received from the base station. ### Claim 10 (depends on 1) The method of claim 1, wherein the one or more resources include a plurality of transmit resources, and the plurality of transmit resources are used to form one or more beam patterns for performing the local operation. ### Claim 11 (depends on 1) The method of claim 1, further comprising: transmitting a resource request to request a predefined amount of transmit resources, wherein the resource indicator is based on the resource request. ### Claim 12 (depends on 11) The method of claim 11, further comprising: transmitting an additional resource request requesting an additional transmit resource in addition to the predefined amount of transmit resources if the predefined amount of transmit resources is not sufficient for the local operation. ### Claim 13 A user equipment (UE) for wireless communication, comprising: a memory; and at least one processor coupled to the memory and configured to: transmit a local operation notification to a base station, the local operation notification indicating a local operation that is local to the UE, the local operation being a self-calibration of the UE or a transmission blockage detection, receive, from the base station, a resource indicator indicating one or more resources available for the local operation, and perform the local operation using the one or more resources, wherein the at least one processor configured to perform the local operation is configured to: transmit a reference signal using the one or more resources; determine one or more parameters based on the transmitted reference signal; and perform the local operation based on the determined one or more parameters; wherein the local operation is self-calibration of the UE, and the at least one processor configured to determine the one or more parameters is configured to: measure the one or more parameters from the transmitted reference signal, wherein the local operation is performed based on the one or more parameters and based on one or more standard parameters. ### Claim 14 (depends on 13) The UE of claim 13, wherein the local operation is transmission blockage detection, and the at least one processor configured to determine the one or more parameters is configured to: receive a reflected signal of the transmitted reference signal; determine a signal strength of the reflected signal and a round-trip time of the reference signal based on a time of the transmission of the reference signal and a time of the reception of the reflected signal, wherein the one or more parameters include the signal strength of the reflected signal and the round-trip time of the reference signal, and wherein the local operation is performed based on the signal strength of the reflected signal and the round-trip time of the reference signal. ### Claim 15 (depends on 14) The UE of claim 14, wherein the at least one processor configured to perform the local operation is configured to: determine whether a transmission path is blocked by an object based on the signal strength of the reflected signal and the round-trip time of the reference signal; and determine a type of the object blocking the transmission path based on the signal strength of the reflected signal and the round-trip time of the reference signal if the transmission path is blocked. ### Claim 16 (depends on 13) The UE of claim 13, wherein the one or more resources include a plurality of transmit resources, and wherein one or more of the plurality of transmit resources are each used for transmission of the reference signal based on a predefined pattern. ### Claim 17 (depends on 13) The UE of claim 13, wherein the at least one processor is further configured to: transmit a resource request to request a predefined amount of transmit resources, wherein the resource indicator is based on the resource request. ### Claim 18 (depends on 17) The UE of claim 17, wherein the at least one processor is further configured to: transmit an additional resource request requesting an additional transmit resource in addition to the predefined amount of transmit resources if the predefined amount of transmit resources is not sufficient for the local operation. ### Claim 19 A user equipment (UE) for wireless communication, comprising: means for transmitting a local operation notification to a base station, the local operation notification indicating a local operation that is local to the UE, the local operation being a self-calibration of the UE or a transmission blockage detection; means for receiving, from the base station, a resource indicator indicating one or more resources available for the local operation; and means for performing the local operation using the one or more resources, wherein the means for performing the local operation is configured to: transmit a reference signal using the one or more resources; determine one or more parameters based on the transmitted reference signal; and perform the local operation based on the determined one or more parameters; wherein the local operation is self-calibration of the UE, and wherein configuring the means for performing the local operation to determine the one or more parameters further comprises configuring the means for performing the local operation to: measure the one or more parameters from the transmitted reference signal; and wherein the local operation is performed based on the one or more parameters and based on one or more standard parameters. ### Claim 20 (depends on 19) The UE of claim 19, wherein the local operation is transmission blockage detection and wherein configuring the means for performing the local operation to determine the one or more parameters further comprises configuring the means for performing the local operation to: receive a reflected signal of the transmitted reference signal; determine a signal strength of the reflected signal and a round-trip time of the reference signal based on a transmission time of the reference signal and a reception time of the reflected signal, wherein the one or more parameters include the signal strength of the reflected signal and the round-trip time of the reference signal, and wherein the local operation is performed based on the signal strength of the reflected signal and the round-trip time of the reference signal. ### Claim 21 (depends on 20) The UE of claim 20, wherein the means for performing the local operation is configured to: determine whether a transmission path is blocked by an object based on the signal strength of the reflected signal and the round-trip time of the reference signal; and determine a type of the object blocking the transmission path based on the signal strength of the reflected signal and the round-trip time of the reference signal if the transmission path is blocked. ### Claim 22 (depends on 19) The UE of claim 19, further comprising: means for transmitting a resource request to request a predefined amount of transmit resources, wherein the resource indicator is based on the resource request. ### Claim 23 (depends on 22) The UE of claim 22, further comprising: means for transmitting an additional resource request requesting an additional transmit resource in addition to the predefined amount of transmit resources if the predefined amount of transmit resources is not sufficient for the local operation. ### Claim 24 A computer-readable medium storing computer executable code for a user equipment (UE), comprising code to: transmit a local operation notification to a base station, the local operation notification indicating a local operation that is local to the UE, the local operation being a self-calibration of the UE or a transmission blockage detection; receive, from the base station, a resource indicator indicating one or more resources available for the local operation; and perform the local operation using the one or more resources, wherein to perform the local operation comprises code to: transmit a reference signal using the one or more resources; determine one or more parameters based on the transmitted reference signal; and perform the local operation based on the determined one or more parameters; wherein the local operation is self-calibration of the UE, and to determine the one or more parameters comprises code to: measure the one or more parameters from the transmitted reference signal, wherein the local operation is performed based on the one or more parameters and based on one or more standard parameters.