Resource unit indication for extended range packets

Patent metadata

Field	Value
Publication number	US-2018027514-A1
Application number	US-201615391601-A
Country	US
Kind code	A1
Filing date	Dec 27, 2016
Priority date	Jul 20, 2016
Publication date	Jan 25, 2018
Grant date	—

Abstract

Methods, apparatuses, computer readable media for resource unit indication for extended range packets. An apparatus of a wireless device comprising processing circuitry is disclosed. The processing circuitry may be configured to: encode a high-efficiency (HE) extended range (ER) physical (PHY) layer convergence procedure (PLCP) protocol data unit (HE ER PPDU) including a first portion comprising a HE signal (SIG) field, and including a second portion comprising a data field. The HE SIG field may include an indication of a resource unit (RU) for the second portion. The processing circuitry further configured to configure the access point to transmit the first portion on a 20 MHz channel, and to transmit the second portion on the RU, the RU within the 20 MHz channel.

First claim

What is claimed is:

1 . An apparatus of an access point comprising: a memory; and processing circuitry coupled to the memory, wherein the processing circuitry is configured to:
encode a high-efficiency (HE) extended range (ER) physical (PHY) layer convergence procedure (PLCP) protocol data unit (HE ER PPDU) comprising a first portion comprising a HE signal (SIG) field, and comprising a second portion comprising a data field, the HE SIG field comprising an indication of a resource unit (RU) for the second portion; and configure the access point to transmit the first portion on a 20 MHz channel, and to transmit the second portion on the RU, the RU less than 20 MHz and within the 20 MHz channel.

2 . The apparatus of claim 1 , wherein the RU indicated by the indication is one from the following group: 52 tones, 106 tones, or 242 tones.

3 . The apparatus of claim 1 , wherein the HE SIG field comprises: a HE SIG A 1 field and a HE SIG A 2 field.

4 . The apparatus of claim 3 , wherein the HE SIG field further comprises a repeated (R) HE SIG A 1 field and a R HE SIG A 2 .

5 . The apparatus of claim 4 , wherein the indication of the RU is represented by one or more from the following group:
bit 0 of the HE SIG A 1 field, bit 15 of the HE SIG A 1 field, bit 1 of the HE SIG A 1 field, bit 20 of the HE SIG A 1 field, bit 21 of the HE SIG A 1 field, bit 22 of the HE SIG A 1 field, bit 23 of the HE SIG A 1 field, bit 24 of the HE SIG A 1 field, bit 25 of the HE SIG A 1 field, bit 4 of the HE SIG A 2 field, bit 5 of the HE SIG A 2 field, bit 6 of the HE SIG A 2 field, bit 10 of the HE SIG A 2 field, bit 11 of the HE SIG A 2 field, bit 12 of the HE SIG A 2 field, bit 0 of the HE SIG A 2 field, bit 1 of the HE SIG A 2 field, a modulation of the R HE SIG A 1 , a modulation of the R HE SIG A 2 , and a selection of the 20 MHz channel.

6 . The apparatus of claim 4 , wherein the indication of the RU is represented by one or more from the following group:
reserved bits of the HE SIG A 1 field, a format field of the HE SIG A 1 field, bits of a bandwidth field of the HE SIG A 1 , bits or values of a modulation and coding scheme field of the HE SIG A 1 , bits of a spatial stream indication field of the HE SIG A 2 , bits or values of a packet extension field of the HE SIG A 2 , bits or values of a cyclic prefix and long training type filed, modulation of the R HE SIG A 1 , modulation of the R HE SIG A 2 field, reserved bits of the HE SIG A 2 field, and a selection of the 20 MHz channel.

7 . The apparatus of claim 1 , wherein the HE ER PPDU indicates the 20 MHz channel of a plurality of 20 MHz channels, and wherein the RU indicated by the indication of the RU depends on which 20 MHz channel of a plurality of 20 MHz channels the HE ER PPDU is to be transmitted on.

8 . The apparatus of claim 7 , wherein the processing circuitry is configured to:
access a table from memory that indicates for each of the plurality of 20 MHz channels an RU configuration that indicates a mapping between values for the indication of the RU and RUs of a corresponding 20 MHz channel.

9 . The apparatus of claim 1 , wherein the processing circuitry is further configured to:
decode an acknowledgment for the HE ER PPDU from a station, wherein the acknowledgment is to be received on the 20 MHz channel or the RU indicated by the indication of the RU.

10 . The apparatus of claim 1 , wherein the first portion further comprises: a legacy signal field indicating a duration of the HE ER PPDU.

11 . The apparatus of claim 1 , wherein the second portion further comprises: a HE short training field and one or more HE long training field.

12 . The apparatus of claim 1 , wherein the access point is one or more from the following group: an Institute of Electrical and Electronic Engineers (IEEE) 802.11ax access point, an IEEE 802.11 station, an IEEE access point, a station acting as a group owner (GO), and an IEEE 802.11ax station.

13 . The apparatus of claim 1 , further comprising transceiver circuitry coupled to the memory; and, one or more antennas coupled to the transceiver circuitry.

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 of an access point to:
encode a high-efficiency (HE) extended range (ER) physical (PHY) layer convergence procedure (PLCP) protocol data unit (HE ER PPDU) comprising a first portion comprising a high efficiency (HE) signal (SIG) field, and comprising a second portion comprising a data field, the HE SIG field comprising an indication of a resource unit (RU) for the second portion; and configure the access point to transmit the first portion on a 20 MHz channel, and to transmit the second portion on the RU, the RU within the 20 MHz channel.

15 . The non-transitory computer-readable storage medium of claim 14 , wherein the RU indicated by the indication of the RU is one from the following group: 52 tones, 106 tones, or 242 tones.

16 . The non-transitory computer-readable storage medium of claim 14 , wherein the HE SIG field comprises: a HE SIG A 1 field, a HE SIG A 2 field, a repeated (R) HE SIG A 1 field, and a R HE SIG A 2 .

17 . The non-transitory computer-readable storage medium of claim 14 , wherein the indication of the RU is represented by one or more from the following group:
bit 0 of the HE SIG A 1 field, bit 15 of the HE SIG A 1 field, bit 1 of the HE SIG A 1 field, bit 20 of the HE SIG A 1 field, bit 21 of the HE SIG A 1 field, bit 22 of the HE SIG A 1 field, bit 23 of the HE SIG A 1 field, bit 24 of the HE SIG A 1 field, bit 25 of the HE SIG A 1 field, bit 4 of the HE SIG A 2 field, bit 5 of the HE SIG A 2 field, bit 6 of the HE SIG A 2 field, bit 10 of the HE SIG A 2 field, bit 11 of the HE SIG A 2 field, bit 12 of the HE SIG A 2 field, bit 0 of the HE SIG A 2 field, bit 1 of the HE SIG A 2 field, a modulation of the R HE SIG A 1 , a modulation of the R HE SIG A 2 , and a selection of the 20 MHz channel.

18 . A method performed by an apparatus of an access point, the method comprising:
encoding a high-efficiency (HE) extended range (ER) physical (PHY) layer convergence procedure (PLCP) protocol data unit (HE ER PPDU) comprising a first portion comprising a high efficiency (HE) signal (SIG) field, and comprising a second portion comprising a data field; and determining a resource unit (RU) based on a 20 MHz channel of a plurality of 20 MHz channels to transmit the first portion; and configuring the access point to transmit the first portion on a 20 MHz channel, and to transmit the second portion on the RU, the RU within the 20 MHz channel.

19 . The method of claim 19 , the method further comprising:
determining the RU by accessing a relationship from memory that indicates for each of the plurality of 20 MHz channels the RU to transmit the second portion of the HE ER PPDU.

20 . An apparatus of a station comprising: a memory; and processing circuitry couple to the memory, wherein the processing circuitry is configured to:
decode a first portion of a high-efficiency (HE) extended range (ER) physical (PHY) layer convergence procedure (PLCP) protocol data unit (HE ER PPDU) comprising a HE signal (SIG) field, the HE SIG field comprising an indication of a resource unit (RU) for the second portion, and

Assignees

• Chen Xiaogang
• Li Qinghua
• Jiang Feng
• Sutskover Ilan
• Stacey Robert J

Inventors

• Chen Xiaogang
• Li Qinghua
• Jiang Feng
• Sutskover Ilan
• Stacey Robert J

Classifications

• H04L5/0094

  Indication of how sub-channels of the path are allocated · CPC title

• H04B7/0452

  Multi-user MIMO systems · CPC title

• H04L5/0007

  the frequencies being orthogonal, e.g. OFDM(A) or DMT · CPC title

• H04W84/12

  WLAN [Wireless Local Area Networks] · CPC title

• H04W56/0005 Primary

  synchronizing of arrival of multiple uplinks · CPC title