| 主权项 |
1. A high data rate, phase shift keying, millimeter wave radio, single chip or chipset transceiver system comprising:
A) transmitter circuitry, all of which or mostly all of which are fabricated on a single chip or chipset, adapted to receive an binary input data stream at input data rates of about 10.3125 Gbps and to transmit at output data rates of about 10.3125 Gbps utilizing phase shift keying of a millimeter wave carrier signal having a frequency in excess of 50 GHz, said transmitter circuitry comprising:
1) a millimeter wave circuitry adapted to produce a millimeter wave carrier signal at frequencies in excess of 50 GHz;2) encoding circuitry adapted to encode input binary signals to produce an encoded signal said circuitry comprising:
a) a serial-to-parallel converter circuitry adapted to produce three bit symbols represented by three separate parallel signals,b) D8PSK adder circuitry adapted to generate eight phase shift control bits from the input binary signal and to output three signals representing a most significant bit, a second most significant bit and a least significant bit of an eight-bit binary number andc) drive logic circuitry adapted to generate four drive signals; and3) an optical phase shift keying (8PSK) modulator:
a) adapted to apply said encoded signal to said phase shift keying of the millimeter wave carrier signal to produce a modulated carrier signal, andb) adapted to produce eight-bit symbols at the rate of about 3.4375 billion symbols per second, B) receiver circuitry, all of which or mostly all of which are fabricated on a single chip or chipset, adapted to receive an incoming signal transmitted from a millimeter wave transmitter, said receiver circuitry comprising:
1) millimeter wave amplifier circuitry adapted to amplify said incoming millimeter wave signal;2) demodulation circuitry comprised of a sequential state comparator adapted to reconstruct the most significant bit, the second most significant bit and the least significant bit of the eight-bit binary number and adapted to demodulate the incoming millimeter wave signal to produce a binary output data stream, wherein the demodulator circuitry also includes:
a) a first receiver splitter adapted to split said incoming millimeter wave signal into a two signal streams, one of said two signal streams defining a current symbol state,b) a delay means to delay the other of said two signal streams by a time period equal to an exact integral number of wave periods as close as possible to the communication symbol rate to define a previous symbol state,c) a second receiver splitter adapted to split said current symbol state into two current signal streams, one of said two current signal streams defining a split current symbol state,d) a second delay means adapted to delay the other of said two current signal streams by a time period equal to one eighth of the period of said nominal millimeter wave carrier frequency to define a 45 degree shifted current symbol state,e) a third receiver splitter adapted to split the said previous symbol state into two approximately equal previous signal streams,f) a pair of integrated quadrature demodulators adapted to shift the two approximately equal previous symbol state signal streams into four separate signal streams separated in phase from each other to define four previous signal streams defining two un-shifted previous symbol state streams and two 90-degree-shifted previous symbol state streams,g) a fourth receiver splitter adapted to split the split current signal stream into two current signal streams and another third-level receiver adapted to split the 45 degree delayed current signal stream into two 45 degree delayed current signal streams,h) four mixers, one of which is adapted to mix one of the two current symbol state streams with the 90-degree-shifted previous symbol state stream, one of which is adapted to mix the other of the two current symbol state streams with the un-shifted previous symbol state stream, one of which is adapted to mix one of the two 45-degree-shifted current symbol state streams with the un-shifted previous symbol state stream, and one of which is adapted to mix one of the two 45-degree-shifted current symbol state streams with the 90-degree-shifted previous symbol state stream, to define four integrated quadrature output signals defining output signals, C, A, B and D,i) integrated circuitry comprised of mixers, flip flops and inverters adapted to combine the output signals C, A, B, and D to produce an output data stream of binary data at data rates exceeding 3.5Gbps;C) an antenna system adapted to:
1) convert said modulated carrier signal to a millimeter wave beam having a beam width of less than two degrees and to direct the beam to another transceiver and2) receive a millimeter wave beam transmitted by said another transceiver and convert said millimeter wave beam into the incoming signal. |
