# US 2021/0281384 A1 · Enhanced Resource Unit Allocation Subfield Design For Extreme High-Throughput Systems

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- Number: US 2021/0281384 A1
- Document ID: US20210281384A1
- Status: Published application
- Kind: A1
- Application number: 17/178,139
- Filed: 2021-02-17
- Published: 2021-09-09
- Earliest claimed: 2020-03-03
- Assignees: MediaTek Singapore Pte. Ltd.
- Applicants: MediaTek Singapore Pte. Ltd.
- Inventors: Shengquan Hu; Jianhan Liu; Thomas Edward Pare, JR.
- Web page: https://patentgrep.com/patent/US20210281384A1

## CPC

- H04L 5/0094: {Indication of how sub-channels of the path are allocated}
- H04B 7/0452: Multi-user MIMO systems
- H04L 5/0007: {the frequencies being orthogonal, e.g. OFDM(A) or DMT}
- H04L 5/0041: {Frequency-non-contiguous}
- H04L 5/0044: {Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH}
- 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

A method pertaining to enhanced resource unit (RU) allocation subfield design for extreme high-throughput (EHT) systems involves determining one or more RUs based on an RU allocation table. The method also involves performing wireless communications using the one or more RUs. The RU allocation table includes at least a combination of a plurality of aggregations of multiple RUs.

## Claims

### Claim 1

A method, comprising:
determining one or more resource units (RUs) based on an RU allocation table; and
performing wireless communications using the one or more RUs,
wherein the RU allocation table comprises at least a combination of a plurality of aggregations of multiple RUs.

### Claim 2 (depends on 1)

The method of claim 1, wherein the performing of the wireless communications comprises performing a multi-user multiple-input-multiple-output (MU-MIMO) transmission to a plurality of stations (STAs).

### Claim 3 (depends on 2)

The method of claim 2, wherein the performing of the MU-MIMO transmission comprises performing the MU-MIMO transmission to up to eight STAs on a single RU of at least 242 tones or an aggregation of multiple RUs having at least 242 tones total.

### Claim 4 (depends on 1)

The method of claim 1, wherein the aggregations of multiple RUs comprise an aggregation of an RU of 26 tones (RU26) and an RU of 52 tones (RU52), denotes as MRU(26+52).

### Claim 5 (depends on 1)

The method of claim 1, wherein the aggregations of multiple RUs comprise an aggregation of an RU of 26 tones (RU26) and an RU of 106 tones (RU106), denotes as MRU(26+106).

### Claim 6 (depends on 1)

The method of claim 1, wherein the one or more RUs comprise an aggregation of multiple RUs each of 242 or more tones.

### Claim 7 (depends on 6)

The method of claim 6, wherein the aggregation of multiple RUs comprise an aggregation of an RU of 242 tones (RU242) and an RU of 484 tones (RU484), denoted as MRU(242+484).

### Claim 8 (depends on 6)

The method of claim 6, wherein the aggregation of multiple RUs comprise an aggregation of an RU of 484 tones (RU484) and an RU of 996 tones (RU996), denoted as MRU(484+996).

### Claim 9 (depends on 6)

The method of claim 6, wherein the aggregation of multiple RUs comprise an aggregation of three RUs each of 996 tones (RU996), denoted as MRU(3×996).

### Claim 10 (depends on 6)

The method of claim 6, wherein the aggregation of multiple RUs comprise an aggregation of an RU of 484 tones (RU484) and two RUs each of 996 tones (RU996), denoted as MRU(484+2×996).

### Claim 11 (depends on 6)

The method of claim 6, wherein the aggregation of multiple RUs comprise an aggregation of an RU of 484 tones (RU484) and three RUs each of 996 tones (RU996), denoted as MRU(484+3×996).

### Claim 12 (depends on 6)

The method of claim 6, wherein the aggregation of multiple RUs supports orthogonal frequency division multiple access (OFDMA).

### Claim 13 (depends on 1)

The method of claim 1, wherein contents of the RU allocation table are arranged in a hierarchical order from smaller single RUs of fewer than 242 tones and aggregations of smaller RUs to larger RUs of 242 or more tones and aggregations of larger RUs.

### Claim 14 (depends on 1)

The method of claim 1, wherein the RU allocation table further comprises a portion of smaller single RUs each of fewer than 242 tones and being available for allocation for the wireless communications in accordance with an Institute of Electrical and Electronics Engineers (IEEE) 802.11 ax specification.

### Claim 15 (depends on 1)

The method of claim 1, wherein the determining of the one or more RUs comprises:
selecting the one or more RUs from the RU allocation table; and
transmitting a signal to one or more stations (STAs) to indicate the selected one or more RUs to be used for the wireless communications,
wherein the signal contains an 8-bit or 9-bit or 10-bit index with a value of most significant multiple bits of the 8-bit or 9-bit or 10-bit index indicating a respective portion of the RU allocation mode from which the one or more RUs are selected.

### Claim 16 (depends on 1)

The method of claim 1, wherein the determining of the one or more RUs comprises:
receiving a signal that indicates the one or more RUs to be used for the wireless communications; and
selecting the one or more RUs from the RU allocation table responsive to receiving the signal,
wherein the signal contains an 8-bit or 9-bit or 10-bit index with a value of most significant multiple bits of the 8-bit or 9-bit or 10-bit index indicating a respective portion of the RU allocation mode from which the one or more RUs are selected.

### Claim 17

A method, comprising:
selecting one or more resource units (RUs) from an RU allocation table;
transmitting a signal to one or more stations (STAs) to indicate the one or more RUs; and
performing wireless communications with the one or more STAs using the one or more RUs,
wherein the RU allocation table comprises at least a combination of a plurality of aggregations of multiple RUs.

### Claim 18 (depends on 17)

The method of claim 17, wherein the RU allocation table further comprises a portion of smaller single RUs each of fewer than 242 tones and being available for allocation for the wireless communications in accordance with an Institute of Electrical and Electronics Engineers (IEEE) 802.11ax specification, wherein contents of the RU allocation table are arranged in a hierarchical order from smaller single RUs of fewer than 242 tones and aggregations of smaller RUs to larger RUs of 242 or more tones and aggregations of larger RUs, and wherein the one or more RUs comprise at least one of:
an aggregation of an RU of 26 tones (RU26) and an RU of 52 tones (RU52), denoted as MRU(26+52),
an aggregation of an RU of 26 tones (RU26) and an RU of 106 tones (RU106), denoted as MRU(26+106),
an aggregation of an RU of 242 tones (RU242) and an RU of 484 tones (RU484), denoted as MRU(242+484),
an aggregation of an RU of 484 tones (RU484) and an RU of 996 tones (RU996), denoted as MRU(484+996),
an aggregation of three RUs each of 996 tones (RU996), denoted as MRU(3×996),
an aggregation of an RU of 484 tones (RU484) and two RUs each of 996 tones (RU996), denoted as MRU(484+2×996), and
an aggregation of an RU of 484 tones (RU484) and three RUs each of 996 tones (RU996), denoted as MRU(484+3×996).

### Claim 19

A method, comprising:
receiving a signal that indicates one or more resource units (RUs);
selecting the one or more RUs from an RU allocation table responsive to receiving the signal; and
performing wireless communications with one or more stations (STAs) using the one or more RUs,
wherein the RU allocation table comprises at least a combination of a plurality of aggregations of multiple RUs.

### Claim 20 (depends on 19)

The method of claim 19, wherein the RU allocation table further comprises a portion of smaller single RUs each of fewer than 242 tones and being available for allocation for the wireless communications in accordance with an Institute of Electrical and Electronics Engineers (IEEE) 802.11ax specification, wherein contents of the RU allocation table are arranged in a hierarchical order from smaller single RUs of fewer than 242 tones and aggregations of smaller RUs to larger RUs of 242 or more tones and aggregations of larger RUs, and wherein the one or more RUs comprise at least one of:
an aggregation of an RU of 26 tones (RU26) and an RU of 52 tones (RU52), denoted as MRU(26+52),
an aggregation of an RU of 26 tones (RU26) and an RU of 106 tones (RU106), denoted as MRU(26+106),
an aggregation of an RU of 242 tones (RU242) and an RU of 484 tones (RU484), denoted as MRU(242+484),
an aggregation of an RU of 484 tones (RU484) and an RU of 996 tones (RU996), denoted as MRU(484+996),
an aggregation of three RUs each of 996 tones (RU996), denoted as MRU(3×996),
an aggregation of an RU of 484 tones (RU484) and two RUs each of 996 tones (RU996), denoted as MRU(484+2×996), and
an aggregation of an RU of 484 tones (RU484) and three RUs each of 996 tones (RU996), denoted as MRU(484+3×996).
