# US 2018/0324697 A1 · Transmission feedback mechanism for polling wireless devices > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0324697 A1 - Document ID: US20180324697A1 - Status: Published application - Kind: A1 - Application number: 15/910,748 - Filed: 2018-03-02 - Published: 2018-11-08 - Earliest claimed: 2015-07-07 - Assignees: Intel IP Corporation - Applicants: Intel IP Corporation - Inventors: Laurent Cariou; Chittabrata Ghosh; Robert Stacey - Web page: https://patentgrep.com/patent/US20180324697A1 ## CPC - H04W 52/0225: {using monitoring of external events, e.g. the presence of a signal} - H04B 7/2603: {Arrangements for wireless physical layer control (H04B7/2612 takes precedence)} - H04L 1/1685: {the supervisory signal being transmitted in response to a specific request, e.g. to a polling signal} - H04L 5/0026: {Division using four or more dimensions, e.g. beam steering or quasi-co-location [QCL]} - 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 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)} - H04W 28/0278: {using buffer status reports (dynamic wireless traffic scheduling definition H04W72/12)} - H04W 72/1263: Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows - H04W 74/004: {in the uplink, i.e. towards network} - H04W 74/06: using polling - H04W 76/11: Allocation or use of connection identifiers - H04J 2011/0003: {Combination with other multiplexing techniques} - H04L 5/00: Arrangements affording multiple use of the transmission path - H04L 5/0023: {Time-frequency-space} - H04W 88/02: Terminal devices - H04W 88/08: Access point devices - H04W 92/10: between terminal device and access point, i.e. wireless air interface - Y02D 30/70: in wireless communication networks - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04J: MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N7/08; in exchanges H04Q11/00; stereophonic systems H04S) - 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 This disclosure describes methods, devices, and systems related to generate a trigger frame including one or more resource block identifications (RBIDs), each RBID being associated with a respective resource unit of one or more resource units on a communication channel; cause to transmit the first trigger frame to each of one or more devices; process a received power save poll (PS-poll) bit from a first device of the one or more devices on a spatial stream and a first resource unit of the one or more resource units; cause to transmit an acknowledgment to each of the one or more user devices; cause to transmit data buffered in the at least one processor to the first device; and process a received acknowledgment from the first device confirming receipt of the data. ## Claims ### Claim 1 (canceled) ### Claim 2 A device, the device comprising processing circuitry coupled to storage, the processing circuitry configured to: determine a power save trigger frame comprising one or more resource allocations of one or more resource units on a communication channel; cause to send the power save trigger frame to one or more station devices in a multiuser multiple-input multiple-output (MU-MIMO) communication; detect energy on a first resource block identification (RBID) associated with a first station device of the one or more station devices; cause to transmit buffered data to the first station device based detecting the energy at the first RBID. ### Claim 3 (depends on 2) The device of claim 2, wherein to detect energy on the first RBID indicates that the first station device is active. ### Claim 4 (depends on 2) The device of claim 2, wherein the processing circuitry is further configured to determine a downlink frame to be sent to the first station device, wherein the downlink frame acknowledges the detection of the energy at the first RBID. ### Claim 5 (depends on 2) The device of claim 2, wherein the first RBID is associated with a first resource unit of the one or more resource units. ### Claim 6 (depends on 2) The device of claim 2, wherein the processing circuitry is further configured to: determine no energy is detected on a second RBID associated with a second station device; and determine not to transmit second buffered data to the second station devices based on the no energy detection on the second RBID. ### Claim 7 (depends on 2) The device of claim 2, wherein the processing circuitry is further configured to identify a first acknowledgment frame receive from the first station device acknowledging the reception of the downlink frame. ### Claim 8 (depends on 2) The device of claim 2, further comprising a transceiver configured to transmit and receive wireless signals. ### Claim 9 (depends on 8) The device of claim 8, further comprising an antenna coupled to the transceiver. ### Claim 10 A non-transitory computer-readable medium storing computer-executable instructions which when executed by one or more processors result in performing operations comprising: determining a power save trigger frame comprising one or more resource allocations of one or more resource units on a communication channel; causing to send the power save trigger frame to one or more station devices in a multiuser multiple-input multiple-output (MU-MIMO) communication; detecting energy on a first resource block identification (RBID) associated with a first station device of the one or more station devices; causing to transmit buffered data to the first station device based detecting the energy at the first RBID. ### Claim 11 (depends on 10) The non-transitory computer-readable medium of claim 10, wherein to detect energy on the first RBID indicates that the first station device is active. ### Claim 12 (depends on 10) The non-transitory computer-readable medium of claim 10, wherein the operations further comprise determining a downlink frame to be sent to the first station device, wherein the downlink frame acknowledges the detection of the energy at the first RBID. ### Claim 13 (depends on 10) The non-transitory computer-readable medium of claim 10, wherein the first RBID is associated with a first resource unit of the one or more resource units. ### Claim 14 (depends on 10) The non-transitory computer-readable medium of claim 10, wherein the operations further comprise: determining no energy is detected on a second RBID associated with a second station device; and determining not to transmit second buffered data to the second station devices based on the no energy detection on the second RBID. ### Claim 15 (depends on 10) The non-transitory computer-readable medium of claim 10, wherein the operations further comprise identifying a first acknowledgment frame receive from the first station device acknowledging the reception of the downlink frame. ### Claim 16 A method comprising: determining, by one or more processors, a power save trigger frame comprising one or more resource allocations of one or more resource units on a communication channel; causing to send the power save trigger frame to one or more station devices in a multiuser multiple-input multiple-output (MU-MIMO) communication; detecting energy on a first resource block identification (RBID) associated with a first station device of the one or more station devices; causing to transmit buffered data to the first station device based detecting the energy at the first RBID. ### Claim 17 (depends on 16) The method of claim 16, wherein to detect energy on the first RBID indicates that the first station device is active. ### Claim 18 (depends on 16) The method of claim 16, further comprising determining a downlink frame to be sent to the first station device, wherein the downlink frame acknowledges the detection of the energy at the first RBID. ### Claim 19 (depends on 16) The method of claim 16, wherein the first RBID is associated with a first resource unit of the one or more resource units. ### Claim 20 (depends on 16) The method of claim 16, further comprising: determining no energy is detected on a second RBID associated with a second station device; and determining not to transmit second buffered data to the second station devices based on the no energy detection on the second RBID. ### Claim 21 (depends on 16) The method of claim 16, further comprising identifying a first acknowledgment frame receive from the first station device acknowledging the reception of the downlink frame.