Patent ID: 9450794
Filing Date: 2016-09-20
CPC Classification: H04L,H04W

Claim Text:
1. A method, in an OFDM transceiver, comprising: receiving a first packet which includes a first signal field and a first data field, wherein the first signal field was modulated on one OFDM symbol, demodulating the first data field, wherein the first data field was modulated onto a first plurality of OFDM symbols using a first cyclic prefix value; receiving a second packet which includes a second signal field and a second data field, wherein the second signal field was modulated on more than one OFDM symbol and wherein the second signal field indicates a second cyclic prefix value; and demodulating the first data field, wherein the second data field was modulated onto a second plurality of OFDM symbols using the second cyclic prefix length value, wherein the first cyclic prefix length value is different than the second cyclic prefix length value.