Method and apparatus for providing antenna diversity

Claim 3

The method of claim 1 wherein the step of transmitting N signals comprises the step of transmitting the N signals with a phase relationship between each distinct pair of symbols so as to provide a diversity benefit.

Claim 4

The method of claim 2 wherein the diversity benefit provided is d min .

Claim 5

The method of claim 1 wherein the step of transmitting N signals comprises the step of forming in-phase and quadrature amplitude values based on a symbol.

Claim 6

The method of claim 4 wherein a transmitted signal is based on in-phase and quadrature amplitude values.

Claim 9

The apparatus of claim 6 wherein the means for transmitting N signals comprises means for transmitting the N signals with a phase relationship between each distinct pair of signals so as to provide a diversity benefit.

Claim 10

The apparatus of claim 7 wherein the diversity benefit provided is d min .

Claim 11

The apparatus of claim 6 wherein the means for transmitting N signals comprises means for forming in-phase and quadrature amplitude values based on a symbol.

Claim 12

The apparatus of claim 9 wherein the means for transmitting further comprises a modulator for generating a modulated signal based on the in-phase and quadrature amplitude values.

Claim 13

The apparatus of claim 9 wherein a transmitted signal is based on in-phase and quadrature amplitude values.

Claim 16

A receiver for use in a communication system, the communication system including a transmitter comprising a plurality of N antennas, where N is an integer, the communication system communicating codewords of N symbols according to a channel code, the receiver comprising: means for receiving signals transmitted by the N antennas, each signal representing one of N symbols of a codeword, the codeword based on a channel code having a plurality of codewords and a minimum Hamming distance, d min , where 2≦d min ≦N, and wherein each of one or more of said plurality of codewords comprises at least two different symbols; means, coupled to the means for receiving, for isolating a signal transmitted by each antenna; means, coupled to the means for isolating, for forming a sequence of N received signals based on the N isolated signals; means, coupled to the means for forming, for comparing the sequence of N received with one or more valid codewords to associate the sequence with a valid codeword; and means, coupled to the means for comparing, for generating a set of bits based on the codeword associated with the received sequence.

Claim 17

A receiver for use in a communication system, the communication system including a transmitter comprising a plurality of N antennas, where N is an integer, the communication system communicating codewords of N symbols according to a channel code, the receiver comprising: means for receiving signals transmitted by the N antennas, each signal representing one of N symbols of a codeword, the codeword based on a channel code having a plurality of codewords and a minimum Hamming distance, d min , where 2≦d min ≦N, and wherein each of one or more of said plurality of codewords comprises at least two different symbols; means, coupled to the means for receiving, for isolating a signal transmitted by each antenna; means, coupled to the means for isolating, for forming a sequence of N received signals based on the N isolated signals; means, coupled to the means for forming, for comparing the sequence of N received with one or more valid codewords to associate the sequence with a valid codeword; and means, coupled to the means for comparing, for generating a set of bits based on the codeword associated with the received sequence.