WIRELESS DEVICE, METHOD, AND COMPUTER READABLE MEDIA FOR ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS (OFDMA) ALLOCATIONS BASED ON A BASIC TONE RESOURCE UNIT OR ENTIRE SUB-CHANNEL

• US 20160165598A1
• Filed: 03/27/2015
• Published: 06/09/2016
• Est. Priority Date: 12/03/2014
• Status: Active Grant

• Current Assignee: Intel Corporation
• Original Assignee: Intel IP Corporation (Intel Corporation)
• Inventors: Azizi, Shahrnaz, Stacey, Robert J., Perahia, Eldad, Kenney, Thomas J., Ghosh, Chittabrata, Huang, Po-Kai
• Granted Patent: US 9,924,510 B2
• Time in Patent Office: Days
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0037 Inter-user or inter-terminal allocation
• CPC Class Codes: H04W 72/0446 Resources in time domain, e.g. slots or frames
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• CPC Class Codes: H04W 72/21 in the uplink direction of a wireless link, i.e. towards the network
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal
• CPC Class Codes: H04W 84/12 WLAN [Wireless Local Area Networks]

Abstract

Wireless devices, methods, and computer readable media are disclosed. A high-efficiency wireless local-area network (HEW) master station is disclosed. The HEW master station may include circuitry. The circuitry may be configured to generate one or more resource allocations of a bandwidth for one or more HEW stations. Each resource allocation for a first portion of the bandwidth may be a multiple of a basic resource allocation or the entire first portion of the bandwidth. There may be only one resource allocation for a second portion of the bandwidth that is at least as large as the first portion of the bandwidth. In some embodiments, each resource allocation for the second portion of the bandwidth may be a multiple of the basic resource allocation or the entire second portion of the bandwidth.

Claims

1-25. -25. (canceled)

26. A wireless apparatus configured for high-efficiency (HE) operation, the apparatus comprising:

memory; and

processing circuitry configured to;

receive a trigger frame within a transmission opportunity (TXOP), the trigger frame including an allocation of resource units for uplink data transmission within the TXOP by a plurality of HE stations (STAs) including the wireless apparatus, the allocation including a single resource unit allocation for the wireless apparatus, wherein the resource units allocated by the trigger frame comprise any combination of;

26-tone resource units with two pilot tones;

52-tone resource units with four pi lot tones;

or

106-tone resource units with four pilot tones,

wherein the resource units are arranged within an orthogonal frequency division multiple access (OFDMA) block, and

generate, in response to the trigger frame, an uplink data unit in accordance with the single resource unit allocation, for transmission within the OFDMA block during the TXOP.

27. The apparatus of claim 26, wherein when the resource units are allocated within 20 MHz OFDMA block, the resource units comprise:

up to nine 26-tone resource units with two pilot tones;

up to four 52-tone resource units with four pilot tones; and

up to two 106-tone resource units with four pilot tones,

wherein the trigger frame includes signaling to allocate a single resource unit to each HE STA of the plurality of HE STAs.

28. The apparatus of claim 27 wherein the resource units allocated within the OFDMA block comprise any combination of two or more of:

26-tone resource units with two pilot tones;

52-tone resource units with four pilot tones;

or

106-tone resource units with four pilot tones.

29. The apparatus of claim 27, wherein when the resource units are allocated are within 40 MHz OFDMA block, the resource units comprise:

up to eighteen 26-tone resource units with two pilot tones;

up to eight 52-tone resource units with four pilot tones;

up to four 106-tone resource units with four pilot tones; and

up to two 242-tone unit resource units with eight pilots,

wherein the trigger frame includes signaling to allocate a single resource unit to each HE STA of the plurality of HE STAs.

30. The apparatus of claim 27, wherein when the resource units are allocated within 80 MHz OFDMA block, the resource units comprise:

up to 37 26-tone resource units with two pilot tones;

up to 16 52-tone resource units with four pilot tones;

up to eight 106-tone resource units with four pilot tones;

up to four 242-tone unit resource units with eight pilots; and

up to two 484-tone resource units with sixteen pilots,

wherein the trigger frame includes signaling to allocate a single resource unit to each HE STA of the plurality of HE STAs.

31. The apparatus of claim 27 wherein the trigger frame is to trigger a response comprising transmission of the uplink data unit.

32. The apparatus of claim 31 wherein the processing circuitry is further configured to generate the uplink data unit, for transmission as part of one or more uplink multi-user data units, in accordance with one of a multi-user multiple-input multiple-output (MU-MIMO) or an OFDMA technique, within the TXOP.

33. The apparatus of claim 26 wherein the apparatus is an HE STA, and further comprises transceiver circuitry configured to:

receive the trigger frame; and

transmit the uplink data unit in accordance with the single resource allocation for the wireless apparatus, and

wherein the processing circuitry is configured to decode the trigger frame to determine a tone configuration for the single resource unit allocation for transmission of the uplink data unit.

34. The apparatus of claim 33 further comprising one or more antennas coupled to the transceiver circuitry.

35. A non-transitory computer-readable storage medium that stores instructions for execution by one or more processors of a wireless apparatus configured for high-efficiency (RE) operation, the instructions to configure the wireless apparatus to perform operations to:

receive a trigger frame within a transmission opportunity (TXOP), the trigger frame including an allocation of resource units for uplink data transmission within the TXOP by a plurality of HE stations (STAs) including the wireless apparatus, the allocation including a single resource unit allocation for the wireless apparatus,

wherein the resource units allocated by the trigger frame comprise any combination of;

26-tone resource units with two pilot tones;

52-tone resource units with four pilot tones;

106-tone resource units with four pilot tones;

or

a 242-tone resource unit with eight pilot tones,

wherein the resource units are arranged within an orthogonal frequency division multiple access (OFDMA) block, and

generate, in response to the trigger frame, an uplink data unit in accordance with the single resource unit allocation, for transmission within the OFDMA block during the TXOP.

36. The non-transitory computer-readable storage medium of claim 35,

wherein when the resource units are allocated within 20 MHz OFDMA block, the resource units comprise:

up to nine 26-tone resource units with two pilot tones;

up to four 52-tone resource units with four pilot tones; and

up to two 106-tone resource units with four pilot tones,

wherein the trigger frame includes signaling to allocate a single resource unit to each HE STA of the plurality of HE STAs.

37. The non-transitory computer-readable storage medium of claim 36, wherein when the resource units are allocated are within 40 MHz OFDMA block, the resource units comprise:

up to eighteen 26-tone resource units with two pilot tones;

up to eight 52-tone resource units with four pilot tones;

up to four 106-tone resource units with four pilot tones; and

up to two 242-tone unit resource units with eight pilots,

wherein the trigger frame includes signaling to allocate a single resource unit to each HE STA of the plurality of HE STAs.

38. A method performed by a wireless apparatus configured for high-efficiency (HE) operation, the method comprising:

receiving a trigger frame within a transmission opportunity (TXOP), the trigger frame including an allocation of resource units for uplink data transmission within the TXOP by a plurality of HE stations (STAs) including the wireless apparatus, the allocation including a single resource unit allocation for the wireless apparatus,

wherein the resource units allocated by the trigger frame comprise any combination of;

26-tone resource units with two pilot tones;

52-tone resource units with four pilot tones;

106-tone resource units with four pilot tones;

or

a 242-tone resource unit with eight pilot tones,

wherein the resource units are arranged within an orthogonal frequency division multiple access (OFDMA) block, and

generating, in response to the trigger frame, an uplink data unit in accordance with the single resource unit allocation, for transmission within the OFDMA block during the TXOP.

39. The method of claim 38 wherein:

when the resource units are allocated within 20 MHz OFDMA block, the resource units comprise;

up to nine 26-tone resource units with two pilot tones;

up to four 52-tone resource units with four pilot tones; and

up to two 106-tone resource units with four pilot tones,

when the resource units are allocated are within 40 MHz OFDMA block, the resource units comprise;

up to eighteen 26-tone resource units with two pilot tones;

up to eight 52-tone resource units with four pilot tones;

up to four 106-tone resource units with four pilot tones; and

up to two 242-tone unit resource units with eight pilots,

wherein the trigger frame includes signaling to allocate a single resource unit to each HE STA of the plurality of HE STAs.

40. An apparatus of an access point configured for high-efficiency (HE) operation as a master station (STA), the apparatus comprising:

memory; and

processing circuitry configured to;

configure a trigger frame to allocate resource units including an allocation of a resource unit to each one of a plurality of HE stations (HE STAs) for uplink data transmission, the allocated resource units comprising any combination of;

26-tone resource units with two pilot tones;

52-tone resource units with four pilot tones;

or

106-tone resource units with four pilot tones,

the allocated resource units arranged within an orthogonal frequency division multiple access (OFDMA) block, each STA allocated a single resource unit, and

process one or more uplink data units received from at least some of the HE STAs within the OFDMA block, the uplink data units received, in response to the trigger frame, within a transmission opportunity (TXOP) obtained by the master station.

41. The apparatus of claim 40, wherein when the allocated resource units are within 20 MHz OFDMA block, the resource units comprise:

up to nine 26-tone resource units with two pilot tones;

up to four 52-tone resource units with four pilot tones; and

up to two 106-tone resource units with four pilot tones.

42. The apparatus of claim 40, wherein when the allocated resource units are within 40 MHz OFDMA block, the resource units comprise:

up to eighteen 26-tone resource units with two pilot tones;

up to eight 52-tone resource units with four pilot tones;

up to four 106-tone resource units with four pilot tones; and

up to two 242-tone unit resource units with eight pilots.

43. The apparatus of claim 40, wherein when the allocated resource units are within 80 MHz OFDMA block, the resource units comprise:

up to thirty-seven 26-tone resource units with two pilot tones;

up to sixteen 52-tone resource units with four pilot tones;

up to eight 106-tone resource units with four pilot tones;

up to four 242-tone unit resource units with eight pilots; and

up to two 484-tone resource units with sixteen pilots.

44. The apparatus of claim 40 wherein the processing circuitry is further configured to generate the trigger frame for transmission to the HE STAs, the trigger frame to include signaling to allocate a plurality of resource units within the OFDMA block, wherein a single one of the resource units is allocated to each of the HE STAs of the plurality.

45. The apparatus of claim 44 wherein the trigger frame is configured for transmission within the TXOP, the trigger frame to trigger a response comprising transmissions of the uplink data units by the HE STAs.

46. The apparatus of claim 45 wherein the uplink data units comprise up multi-user data units received from the HE STAs within the TXOP, and

wherein the processing circuitry is further configured to process, in accordance with one of a multi-user multiple-input multiple-output (MU-MIMO) or an OFDMA technique, within the TXOP, one or more of the uplink multi-user data units from at least some of the HE STAs.

47. The apparatus of claim 45 further comprising transceiver circuitry configured to:

transmit the trigger frame including signaling to allocate the resource units; and

receive the uplink data units.

48. The apparatus of claim 47 further comprising two or more antennas coupled to the transceiver circuitry.

49. Anon-transitory computer-readable storage medium that stores instructions for execution by one or more processors of an apparatus of an access point configured for high-efficiency (HE) operation as a master station, the instructions to configure the apparatus to perform operations to:

configure a trigger frame to allocate a resource unit to each of a plurality of HE stations (HE STAs) for uplink data transmission, the allocated resource units comprising any combination of;

26-tone resource units with two pilot tones;

52-tone resource units with four pilot tones;

or

106-tone resource units with four pilot tones,

the allocated resource units arranged within an orthogonal frequency division multiple access (OFDMA) block, each STA allocated a single resource unit, and

process one or more uplink data units received from at least some of the HE STAs within the OFDMA block, the uplink data units received, in response to the trigger frame, within a transmission opportunity (TXOP) obtained by the master station.

50. The non-transitory computer-readable storage medium of claim 49, wherein the instructions further configure the apparatus to generate the trigger frame for transmission to the HE STAs, the trigger frame to include signaling to allocate a single one of the resource units to each of the HE STAs of the plurality.

51. An apparatus of an access point configured for high-efficiency (HE) operation as a master station (STA), the apparatus comprising:

memory; and

processing circuitry configured to;

allocate a resource unit to each of a plurality of HE stations (HE STAs) for downlink data reception, the allocated resource units comprising any combination of;

26-tone resource units with two pilot tones;

52-tone resource units with four pilot tones;

or

106-tone resource units with four pilot tones,

wherein the allocated resource units are within an OFDMA block and each HE STA is allocated a single one of the resource units, and

generate one or more downlink data units for transmission to at least some of the HE STAs within the OFDMA block, the downlink data units generated in accordance with the resource allocation.

52. The apparatus of claim 51 wherein the downlink data units comprise downlink multi-user data units, and

wherein the multi-user data units are configured for transmission in accordance with one of a multi-user multiple-input multiple-output (MU-MIMO) or an OFDMA technique to at least some of the HE STAs.

53. The apparatus of claim 51 wherein the processing circuitry is further configured to generate a trigger frame for transmission to the HE STAs, the trigger frame to include the allocation of resource units to the HE STAs for downlink data reception, and

wherein when the resource units are allocated for a 20 MHz OFDMA block, the resource units comprise:

up to nine 26-tone resource units with two pilot tones;

up to four 52-tone resource units with four pilot tones; and

up to two 106-tone resource units with four pilot tones.