# US 9,882,695 B2 · Master station and method for HEW communication using a transmission signaling structure for a HEW signal field > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 9,882,695 B2 - Document ID: US9882695B2 - Status: Granted - Kind: B2 - Application number: 15/394,069 - Filed: 2016-12-29 - Published: 2017-04-20 - Granted: 2018-01-30 - Earliest claimed: 2013-11-19 - Assignees: Intel IP Corporation - Applicants: Intel IP Corporation - Inventors: Shahrnaz Azizi; Thomas J. Kenney; Guoqing C. Li; Eldad Perahia; Robert J. Stacey - Web page: https://patentgrep.com/patent/US9882695B2 ## CPC - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04B 7/0452: Multi-user MIMO systems - H04L 1/0003: {by switching between different modulation schemes} - H04L 1/0006: {by adapting the transmission format} - H04L 27/2601: {Multicarrier modulation systems} - H04W 72/20: Control channels or signalling for resource management - H04L 5/003: {Arrangements for allocating sub-channels of the transmission path} - 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)} - H04W 84/12: WLAN [Wireless Local Area Networks] - 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 Embodiments of a transmission signaling structure for HEW are defined to carry packet information to configure OFDMA receivers for demodulation of a specific portion of the packet and/or to configure receivers for transmission using specific OFDMA and MU-MIMO resources. In some embodiments, the specific portion of the packet comprises one or more minimum bandwidth units of one or more 20 MHz channels. Each 20 MHz bandwidth structure may comprise several minimum bandwidth units to allow each 20 MHz channel to have a have smaller granularity than 20 MHz. ## Claims ### Claim 1 An apparatus of a wireless device comprising: memory; and processing circuitry coupled to the memory, the processing circuitry configured to: encode a high efficiency (HE) packet comprising a plurality of HE signal (HE-SIG) fields, each of the HE-SIG fields comprising an indicator to indicate, an arrangement of resource units (RUs) in frequency for one of a plurality of 20 MHz band, wherein each HE-SIG field is to configure HE stations to receive a data portion of the HE packet in a corresponding 20 MHz band, and wherein each of the HE-SIG fields is separately encoded for transmission on the corresponding 20 MHz band of the HE packet; and configure the HE packet for transmission by the wireless device. ### Claim 2 (depends on 1) The apparatus of claim 1, wherein the indicator further indicates a number of RUs allocated for multi-user multiple-input multiple-output (MU-MIMO). ### Claim 3 (depends on 1) The apparatus of claim 1, wherein the arrangement of RUs comprises a mix of different RU sizes for the corresponding 20 MHz band. ### Claim 4 (depends on 1) The apparatus of claim 1, wherein each HE-SIG field further comprises configuration parameters for each RU of the RU arrangement, the configuration parameters comprising one or more of the following fields: an indication of a modulation and coding scheme (MCS), an indicator if a low-density parity-check code is to be used, and an indication if beamforming is to be used. ### Claim 5 (depends on 4) The apparatus of claim 4, wherein the processing circuitry is further configured to: encode the data portion of each HE packet with data to be encoded in accordance with configuration parameters associated with each RU of the RU arrangement of a plurality of RU arrangements on the corresponding 20 MHz band. ### Claim 6 (depends on 1) The apparatus of claim 1, wherein the processing circuitry is further configured to: encode a cyclic-redundancy check (CRC) for each HE-SIG field. ### Claim 7 (depends on 1) The apparatus of claim 1, wherein each HE-SIG field further comprises configuration parameters for each of the RUs of the RU arrangement and wherein the configuration parameters comprise an indicator to indicate if the RU arrangement is a single user (SU) or (MU) RU arrangement and to indicate a number of space-time streams. ### Claim 8 (depends on 1) The apparatus of claim 1, wherein each of the wireless device and the HE stations is one of the following group: an Institute of Electrical and Electronic Engineers (IEEE) 802.11 access point, an IEEE 802.11 station, an IEEE 802.11ax access point, and an IEEE 802.11ax station. ### Claim 9 (depends on 1) The apparatus of claim 1, further comprising transceiver circuitry coupled to the processing circuitry. ### Claim 10 (depends on 9) The apparatus of claim 9, further comprising a plurality of antennas coupled to the transceiver circuitry. ### Claim 11 A method performed by an apparatus, the method comprising: encoding a high efficiency (HE) packet comprising a plurality of HE signal (HE-SIG) fields, each of the HE-SIG fields comprising an indicator to indicate, an arrangement of resource units (RUs) in frequency for one of a plurality of 20 MHz bands, wherein each HE-SIG field is to configure HE stations to receive a data portion of the HE packet in a corresponding 20 MHz band, and wherein each of the HE-SIG fields is separately encoded for transmission on the corresponding 20 MHz band; and configuring the HE packet for transmission by a wireless device. ### Claim 12 (depends on 11) The method of claim 11, wherein the arrangement of RUs comprises a mix of different RU sizes for the corresponding 20 MHz band. ### Claim 13 (depends on 11) The method of claim 11, wherein each HE-SIG field further comprises configuration parameters for each RU of the RU arrangement, the configuration parameters comprising one or more of the following fields: an indication of a modulation and coding scheme (MCS), an indicator if a Low-density parity-check code is to be used, and an indication if beamforming is to be used. ### Claim 14 A non-transitory computer-readable storage medium that stores instructions for execution by one or more processors, the instructions to configure the one or more processors to cause an apparatus to: encode a high efficiency (HE) packet comprising a plurality of HE signal (HE-SIG) fields, each of the HE-SIG fields comprising an indicator to indicate, an arrangement of resource units (RUs) in frequency for one of a plurality of 20 MHz bands, wherein each HE-SIG field is to configure HE stations to receive a data portion of the HE packet in a corresponding 20 MHz band, and wherein each of the HE-SIG fields is separately encoded for transmission on the corresponding 20 MHz band of the HE packet; and configure the HE packet for transmission by a wireless device. ### Claim 15 (depends on 14) The non-transitory computer-readable storage medium of claim 14, wherein the indicator further indicates a number of RUs allocated for multi-user multiple-input multiple-output (MU-MIMO). ### Claim 16 (depends on 14) The non-transitory computer-readable storage medium of claim 14, wherein the arrangement of RUs comprises a mix of different RU sizes for the corresponding 20 MHz band. ### Claim 17 (depends on 14) The non-transitory computer-readable storage medium of claim 14, wherein each HE-SIG field further comprises configuration parameters for each RU of the RU arrangement, the configuration parameters comprising one or more of the following fields: an indication of a modulation and coding scheme (MCS), an indicator if a Low-density parity-check code is to be used, and an indication if beamforming is to be used. ### Claim 18 (depends on 14) The non-transitory computer-readable storage medium of claim 14, wherein the instructions are to further configure the one or more processors to cause the apparatus to: encode the data portion of each HE packet with data to be encoded in accordance with configuration parameters associated with each RU of the RU arrangement of a plurality of RU arrangements on the corresponding 20 MHz band. ### Claim 19 An apparatus of a high-efficiency (HE) station, the apparatus comprising: memory; and processing circuitry coupled to the memory, the processing circuitry configured to: decode a high efficiency (HE) packet comprising a plurality of HE signal (HE-SIG) fields, each of the HE-SIG fields comprising an indicator to indicate, an arrangement of resource units (RUs) in frequency for one of a plurality of 20 MHz bands, wherein each HE-SIG field is to configure HE stations to receive a data portion of the HE packet in a corresponding 20 MHz band, and wherein each of the HE-SIG fields is separately encoded for transmission on the corresponding 20 MHz band; and decode the data portion of a corresponding 20 MHz band of a HE-SIG field that indicates the HE station in accordance with an RU of the RU arrangement. ### Claim 20 (depends on 19) The apparatus of claim 19, wherein the indicator further indicates a number of RUs allocated for multi-user multiple-input multiple-output (MU-MIMO). ### Claim 21 (depends on 19) The apparatus of claim 19, wherein the arrangement of RUs comprises a mix of different RU sizes for the corresponding 20 MHz band. ### Claim 22 (depends on 19) The apparatus of claim 19, wherein each HE-SIG field further comprises configuration parameters for each RU of the RU arrangement, the configuration parameters comprising one or more of the following fields: an indication of a modulation and coding scheme (MCS), an indicator if a Low-density parity-check code is to be used, and an indication if beamforming is to be used. ### Claim 23 (depends on 19) The apparatus of claim 19, wherein the processing circuitry is further configured to: decode the data portion, wherein the data is encoded in accordance with configuration parameters associated with the corresponding 20 MHz band of the HE-SIG field that indicates the HE station in accordance with the RU of the RU arrangement. ### Claim 24 (depends on 19) The apparatus of claim 19, further comprising transceiver circuitry coupled to the physical circuitry; and, a plurality of antennas coupled to the transceiver circuitry.