Patent ID: 9680603
Date: 2017-06-13
CPC Classifications: H04L

Claim:
1. An apparatus of a high-efficiency (HE) communication station (STA) comprising: memory; and, physical layer and medium access control layer circuitry coupled to the memory, the physical layer and medium access control layer circuitry to: communicate longer-duration orthogonal frequency division multiplexed (OFDM) symbols on channel resources in accordance with an orthogonal frequency division multiple access (OFDMA) technique, the channel resources comprising one or more resource allocation units, each resource allocation unit comprising a predetermined number of data subcarriers; configure the resource allocation units in accordance with one of a plurality of subcarrier allocations for communication of the longer-duration OFDM symbols; and process the longer-duration OFDM symbols with at least one of: a 1024-point FFT for communication over an 80 MHz channel bandwidth comprising either two 40 MHz resource allocation units or one 80 MHz resource allocation unit, wherein for binary convolutional code (BCC) encoding, the resource allocation units are further configured in accordance with one of a plurality of interleaver configurations for the subcarrier allocations for communication of the longer-duration OFDM symbols, wherein the longer-duration OFDM symbols have a symbol duration that is four-times as long (4×) as a standard OFDM symbol duration, and wherein when operating as a master station, the communication station is configurable to: process the longer-duration OFDM symbols for a single user station using the 512-point FFT for communication within a 40 MHz resource allocation unit; process the longer-duration OFDM symbols for a single user station using the 1024-point FFT for communication within an 80 MHz resource allocation unit; and process the longer-duration OFDM symbols for two user stations using the 512-point FFT for communication within an 80 MHz resource allocation unit.