Packet detector

A method of OFDM communication comprising:

• receiving, by a transceiver, a packet including a header portion and preamble portion,
• wherein:
• the preamble portion includes a plurality of OFDM symbols that were modulated using a constellation scrambler,
• the header portion of the packet contains one or more bit fields that contain information that can be used to determine a value of a seed that was used to generate the preamble portion of the packet, and
• the value of the seed is used to determine whether the packet is an out-of-domain packet or an in-domain packet.

A system for OFDM communication comprising:

• a receiver capable of receiving a packet including a header portion and preamble portion,
• wherein:
• the preamble portion includes a plurality of OFDM symbols that were modulated using a constellation scrambler, and
• the header portion of the packet contains one or more bit fields that contain information that can be used to determine a value of a seed that was used to generate the preamble portion of the packet, and
• the value of the seed is used to determine whether the packet is an out-of-domain packet or an in-domain packet.

A system for OFDM communication comprising:

• a receiver capable of receiving a packet including a header portion and a preamble portion and capable of detecting the packet using the preamble portion,
• wherein:
• the preamble portion was generated using an LFSR generator that was initialized with a seed,
• the header portion of the packet contains one or more bit fields that contain information that can be used to determine a value of the seed used to generate the preamble portion of the packet, and
• the value of the seed is used to determine whether the packet is an out-of-domain packet or an in-domain packet.