Wireless communication system, wireless communication apparatus, wireless communication method, and computer program

A wireless communication system comprising: a first communication station (100) configured to operate according to a first communication method; a second communication station (100) configured to operate according to, at the same time, the first communication method and a second communication method and to transmit a packet signal comprising a first part which is a Physical Layer header, PHY, which includes information on a packet length and a transmission rate that can be received according to said first communication method, said information being different from a length and a rate at which the signal is actually transmitted by packets and a second part that includes a header and a part of data that can be received according to said second communication method, the communication system being wireless characterized in that a part of High Performance PHY, HT, between the first and the second part, wherein the PHY HT part is modulated with a signal point of a first signal point position offset at a 90 degree angle with respect to a signal point of a second signal point position of the first part.