Patent ID: 8885740
Filing Date: 2014-11-11
Classification: H03M,H04L

Abstract:
1. A method comprising: generating, with a processing device, a first preamble for a first data unit that is to be transmitted via a communication channel, wherein the first preamble includes (i) a first long training field and (ii) a first signal field, wherein the first signal field provides information for interpreting the first data unit, and wherein the first signal field is modulated according to a first modulation technique; generating, with the processing device, the first data unit according to a first data unit format, wherein the first data unit includes the first preamble; generating, with the processing device, a second preamble for a second data unit that is to be transmitted via the communication channel, wherein the second preamble includes a second signal field, the second signal field provides information for interpreting the second data unit, the second preamble includes a second long training field, and generating the second preamble includes at least one of generating, with the processing device, the second data unit according to the second data unit format, wherein the second data unit includes the second preamble.