# US 12,225,514 B2 · Enhanced high efficiency frames for wireless communications > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,225,514 B2 - Document ID: US12225514B2 - Status: Granted - Kind: B2 - Application number: 17/142,526 - Filed: 2021-01-06 - Published: 2021-05-27 - Granted: 2025-02-11 - Earliest claimed: 2017-10-31 - Assignees: Intel Corporation - Applicants: Intel Corporation - Inventors: Xiaogang Chen; Feng Jiang; Qinghua Li; Robert Stacey - Web page: https://patentgrep.com/patent/US12225514B2 ## CPC - H04W 72/0453: Resources in frequency domain, e.g. a carrier in FDMA - H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT} - H04B 7/0452: Multi-user MIMO systems - H04W 84/12: WLAN [Wireless Local Area Networks] - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04B: TRANSMISSION ## Abstract This disclosure describes systems, methods, and devices related to using enhanced high efficiency (HE) frames. A device may determine a high efficiency signal-B (HE-SIG-B) field for a high efficiency (HE) frame, the HE-SIG-B field comprising a common information field and a user information field. The device may determine a data portion of the HE frame, wherein the data portion includes one or more resource units (RUs) with a size equal to a number of tones. The device may determine a first resource allocation subfield and a second resource allocation subfield of the common information field based at least in part on the number of tones. The device may cause to send the HE frame. ## Claims ### Claim 1 A device, the device comprising processing circuitry coupled to storage, the processing circuitry configured to: generate a high efficiency signal-B (HE-SIG-B) field for a high efficiency (HE) frame, the HE-SIG-B field comprising a common information field and a user information field; include an indication of a resource unit (RU) allocation in the common information field, wherein the RU allocation is associated with a 996-tone RU and is encoded using a binary representation 11010y2y1y0 where y2y1y0 indicates a number of user fields signaled in a corresponding content channel; generate two consecutive RU allocation subfields for each HE-SIG-B content channel of a first HE-SIG-B content channel and a second HE-SIG-B content channel, wherein a first 8-bit RU Allocation subfield of the common information field includes a binary value that encodes the number of user fields signaled within the corresponding content channel, and wherein a second 8-bit RU Allocation subfield of the common information field is encoded with the binary value 01110011, which is associated with a 996-tone RU indicating zero user information fields; and cause to send the HE frame to a station device. ### Claim 2 (depends on 1) The device of claim 1, wherein the 996-tone RU comprises an orthogonal frequency-division multiple access (OFDMA) 996-tone RU and a multi-user multiple input, multiple output (MU-MIMO) 996-tone RU. ### Claim 3 (depends on 1) The device of claim 1, wherein the first resource allocation subfield is based at least in part on a number of station devices information fields included in the RU. ### Claim 4 (depends on 1) The device of claim 1, wherein a first HE-SIG-B field is associated with first HE-SIG-B content channel and a second HE-SIG-B field is associated with a second content channel. ### Claim 5 (depends on 1) The device of claim 1, wherein a value of the 8 bits of the second resource allocation subfield is equal to a value of 01110011 in binary representation. ### Claim 6 (depends on 1) The device of claim 1, wherein a value of the 8 bits of the first resource allocation subfield indicates on a number of user information fields signaled in the first resource allocation subfield. ### Claim 7 (depends on 1) The device of claim 1, wherein the 8 bits of the first resource allocation subfield is equal to 11010y2y1y0, wherein y2y1y0 is a binary vector having a value range of 000-111. ### Claim 8 (depends on 1) The device of claim 1, 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 to cause to send the HE frame. ### 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: generating a high efficiency signal-B (HE-SIG-B) field for a high efficiency (HE) frame, the HE-SIG-B field comprising a common information field and a user information field; including an indication of a resource unit (RU) allocation in the common information field, wherein the RU allocation is associated with a 996-tone RU and is encoded using a binary representation 11010y2y1y0 where y2y1y0 indicates a number of user fields signaled in a corresponding content channel; generating two consecutive RU allocation subfields for each HE-SIG-B content channel of a first HE-SIG-B content channel and a second HE-SIG-B content channel, wherein a first 8-bit RU Allocation subfield of the common information field includes a binary value that encodes the number of user fields signaled within the corresponding content channel, and wherein a second 8-bit RU Allocation subfield of the common information field is encoded with the binary value 01110011, which is associated with a 996-tone RU indicating zero user information fields; and causing to send the HE frame to a station device. ### Claim 11 (depends on 10) The non-transitory computer-readable medium of claim 10, wherein the 996-tone RU comprises an orthogonal frequency-division multiple access (OFDMA) 996-tone RU and a multi-user multiple input, multiple output (MU-MIMO) 996-tone RU. ### Claim 12 (depends on 10) The non-transitory computer-readable medium of claim 10, wherein the first resource allocation subfield is based at least in part on a number of station devices information fields included in the RU. ### Claim 13 (depends on 10) The non-transitory computer-readable medium of claim 10, wherein a first HE-SIG-B field is associated with first HE-SIG-B content channel and a second HE-SIG-B field is associated with a second content channel. ### Claim 14 (depends on 10) The non-transitory computer-readable medium of claim 10, wherein a value of the 8 bits of the second resource allocation subfield is equal to a value of 01110011 in binary representation. ### Claim 15 (depends on 10) The non-transitory computer-readable medium of claim 10, wherein a value of the 8 bits of the first resource allocation subfield indicates on a number of user information fields signaled in the first resource allocation subfield. ### Claim 16 (depends on 10) The non-transitory computer-readable medium of claim 10, wherein the 8 bits of the first resource allocation subfield is equal to 11010y2y1y0, wherein y2y1y0 is a binary vector having a value range of 000-111. ### Claim 17 A method comprising: generating a high efficiency signal-B (HE-SIG-B) field for a high efficiency (HE) frame, the HE-SIG-B field comprising a common information field and a user information field; including an indication of a resource unit (RU) allocation in the common information field, wherein the RU allocation is associated with a 996-tone RU and is encoded using a binary representation 11010y2y1y0 where y2y1y0 indicates a number of user fields signaled in a corresponding content channel; generating two consecutive RU allocation subfields for each HE-SIG-B content channel of a first HE-SIG-B content channel and a second HE-SIG-B content channel, wherein a first 8-bit RU Allocation subfield of the common information field includes a binary value that encodes the number of user fields signaled within the corresponding content channel, and wherein a second 8-bit RU Allocation subfield of the common information field is encoded with the binary value 01110011, which is associated with a 996-tone RU indicating zero user information fields; and causing to send the HE frame to a station device. ### Claim 18 (depends on 17) The method of claim 17, wherein the 996-tone RU comprises an orthogonal frequency-division multiple access (OFDMA) 996-tone RU and a multi-user multiple input, multiple output (MU-MIMO) 996-tone RU. ### Claim 19 (depends on 17) The method of claim 17, wherein the first resource allocation subfield is based at least in part on a number of station devices information fields included in the RU. ### Claim 20 (depends on 17) The method of claim 17, wherein a first HE-SIG-B field is associated with first HE-SIG-B content channel and a second HE-SIG-B field is associated with a second content channel.