Patent ID: 9332541
Filing Date: 2016-05-03
CPC Classification: H04J,H04L,H04W

Claim Text:
1. A method of modulating a signal to be transmitted from a transmitter, where the signal is transmitted in a slot with multiple users, referred to as N users, and the method comprises: determining a number of users, N, to share a single time slot of a transmission channel by creating orthogonal sub-channels for the transmission channel utilizing a non-linear continuous phase modulation technique, wherein N is greater than two, wherein N orthogonal sub-channels are created; obtaining user specific payload bits in a block and a rate at which a transmitter is to transmit in the single time slot, wherein the rate is determined by a number of users in the single time slot; repeating the block of the user specific payload bits to form a combined block of payload bits, where the block of the user specific payload bits is repeated N times, which is a number of times equal to an inverse of the rate of transmission by the transmitter and where at least a portion of the user specific payload bits in each repeated block are flipped, wherein the blocks that are flipped are selected according to a row of a Hadamard matrix, wherein a selected row of the Hadamard matrix is specific to one of the N users sharing the single time slot, wherein a transformation resulting from the Hadamard matrix is an orthogonal transformation; and burst formatting and modulating the combined block of payload bits to create a burst, which is a period of Radio Frequency (RF) carrier modulated by a data stream, wherein during the burst formatting guard, tail, and training bits are inserted and placed in a predefined order together with the user specific payload bits.