Method of combining received signal of diversity type radio device and diversity type radio device

Claim 3

The diversity type radio device comprising: plural units of phase-detection means provided for a received signal and for phase-detecting a received signal of a PSK modulation received by an antenna through a delay detection at a symbol of a phase signal forming said each received signal; plural units of phase difference detection means provided corresponding to said phase-detection means and for generating a phase difference detection output indicating a phase difference between said symbols by detecting a phase difference of said phase-detection outputs between said symbols based on a phase-detection output of said phase wave detection means; combining means for weighting each phase difference detection output with an amplitude level and combining said weighted phase difference detection outputs; wherein said phase difference detection means further comprises: latch means for latching a phase-detection output at a clock frequency twice a frequency of a symbol clock synchronized with a symbol; a shift register for shifting a phase-detection output being output from said latch means with said symbol clock; and means for generating a phase difference detection output by calculating a difference between a phase-detection output being output from said latch means and a phase-detection output being output from said shift register.

Claim 4

The diversity type radio device comprising: plural units of phase-detection means provided for a received signal and for phase-detecting a received signal of a PSK modulation received by an antenna through a delay detection at a symbol of a phase signal forming said each received signal; plural units of phase difference detection means provided corresponding to said phase-detection means and for generating a phase difference detection output indicating a phase difference between said symbols by detecting a phase difference of said phase-detection outputs between said symbols based on a phase-detection output of said phase wave detection means; combining means for weighting each phase difference detection output with an amplitude level and combining said weighted phase difference detection outputs; wherein said phase difference detection means further comprises: latch means for latching a phase-detection output at a clock frequency twice a frequency of a symbol clock synchronized with a symbol; a shift register for shifting a phase-detection output being output from said latch means with said symbol clock; and means for generating a phase difference detection output by calculating a difference between a phase-detection output being output from said latch means and a phase-detection output being output from said shift register.

Claim 5

A diversity type radio device comprising: plural units of phase-detection means provided for a received signal and for generating a phase-detection output by phase-detecting a received signal of a PSK modulation received by an antenna through a delay detection at a symbol of a phase signal forming said each received signal; plural units of latch means provided corresponding to said phase-detection means and for latching said phase-detection output at a clock frequency twice a frequency of a symbol clock synchronized with a symbol; plural shift registers provided corresponding to said latch means and for shifting a phase-detection output being output from said latch means with said symbol clock; plural units of difference calculation means provided corresponding to said latch means and said shift register and for outputting a phase difference wave detection output by calculating a difference between a phase-detection output being output from said latch means and a phase-detection output being output from said shift register; and combining means for weighting said each phase difference detection output with an amplitude level and combing said weighted phase difference detection outputs.

Claim 6

A diversity type radio device comprising: plural units of phase-detection means provided for a received signal and for generating a phase-detection output by phase-detecting a received signal of a PSK modulation received by an antenna through a delay detection at a symbol of a phase signal forming said each received signal; plural units of latch means provided corresponding to said phase-detection means and for latching said phase-detection output at a clock frequency twice a frequency of a symbol clock synchronized with a symbol; plural shift registers provided corresponding to said latch means and for shifting a phase-detection output being output from said latch means with said symbol clock; plural units of difference calculation means provided corresponding to said latch means and said shift register and for outputting a phase difference wave detection output by calculating a difference between a phase-detection output being output from said latch means and a phase-detection output being output from said shift register; and combining means for weighting said each phase difference detection output with an amplitude level and combing said weighted phase difference detection outputs.

Claim 7

The diversity type radio device comprising: plural units of phase-detectors provided for a received signal and for phase-detecting a received signal of a PSK modulation received by an antenna through a delay detection at a symbol of a phase signal forming said each received signal; plural units of phase difference detectors provided corresponding to said phase-detectors and for generating a phase difference detection output indicating a phase difference between said symbols by detecting a phase difference of said phase-detection outputs between said symbols based on a phase-detection output of said phase wave detectors; and combiner for weighting each phase difference detection output with an amplitude level and combining said weighted phase difference detection outputs; wherein said phase difference detectors further comprise: latch for latching a phase-detection output at a clock frequency twice a frequency of a symbol clock synchronized with a symbol; a shift register for shifting a phase-detection output being output from said latch with said symbol clock; and adder for generating a phase difference detection output by calculating a difference between a phase-detection output being output from said latch and a phase-detection output being output from said shift register.

Claim 8

The diversity type radio device comprising: plural units of phase-detectors provided for a received signal and for phase-detecting a received signal of a PSK modulation received by an antenna through a delay detection at a symbol of a phase signal forming said each received signal; plural units of phase difference detectors provided corresponding to said phase-detectors and for generating a phase difference detection output indicating a phase difference between said symbols by detecting a phase difference of said phase-detection outputs between said symbols based on a phase-detection output of said phase wave detectors; and combiner for weighting each phase difference detection output with an amplitude level and combining said weighted phase difference detection outputs; wherein said phase difference detectors further comprise: latch for latching a phase-detection output at a clock frequency twice a frequency of a symbol clock synchronized with a symbol; a shift register for shifting a phase-detection output being output from said latch with said symbol clock; and adder for generating a phase difference detection output by calculating a difference between a phase-detection output being output from said latch and a phase-detection output being output from said shift register.

Claim 9

A diversity type radio device comprising: plural units of phase-detectors provided for a received signal and for generating a phase-detection output by phase-detecting a received signal of a PSK modulation received by an antenna through a delay detection at a symbol of a phase signal forming said each received signal; latches provided corresponding to said phase-detectors and for latching said phase-detection output at a clock frequency twice a frequency of a symbol clock synchronized with a symbol; shift registers provided corresponding to said latches and for shifting a phase-detection output being output from said latches with said symbol clock; adders provided corresponding to said latches and said shift registers and for outputting a phase difference wave detection output by calculating a difference between a phase-detection output being output from said latches and a phase-detection output being output from said shift register; and combiner for weighting said each phase difference detection output with an amplitude level and combining said weighted phase difference detection outputs.

Claim 10

A diversity type radio device comprising: plural units of phase-detectors provided for a received signal and for generating a phase-detection output by phase-detecting a received signal of a PSK modulation received by an antenna through a delay detection at a symbol of a phase signal forming said each received signal; latches provided corresponding to said phase-detectors and for latching said phase-detection output at a clock frequency twice a frequency of a symbol clock synchronized with a symbol; shift registers provided corresponding to said latches and for shifting a phase-detection output being output from said latches with said symbol clock; adders provided corresponding to said latches and said shift registers and for outputting a phase difference wave detection output by calculating a difference between a phase-detection output being output from said latches and a phase-detection output being output from said shift register; and combiner for weighting said each phase difference detection output with an amplitude level and combining said weighted phase difference detection outputs.