Patent ID: 11962530
Assignee: ATLAS GLOBAL TECHNOLOGIES LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A wireless device for transmitting a frame, the wireless device comprising:
a processor; and
a memory device coupled to the processor and storing instructions that when executed by the processor cause the wireless device to perform steps comprising:
determining, by the wireless device, a plurality of Resource Units (RUs) of the frame;
providing, by the wireless device, a first plurality of pilots in one or more RUs of the plurality of RUs at a first set of positions, respectively; and
transmitting, by the wireless device, the frame,
wherein the frame is an Orthogonal Frequency Division Multiple Access (OFDMA) frame and the plurality of RUs include respective pluralities of subcarriers,
wherein the first set of positions are uniformly spaced,
wherein a first RU is a 26-subcarrier RU and a second RU of the frame is a 52-subcarrier RU,
wherein the first set of positions correspond to non-null positions of a Long Training field (LTF) of the frame, and
wherein when the frame includes a 4× High Efficiency (HE) Long Training Field (HE-LTF), the first RU carries two pilots, and the second RU carries four pilots.