The Secretary of State for Defence

The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland

John I R Owen

Anthony Richard Pratt

Anthony R Pratt

Embodiments of the present invention provide a method to produce a modulation signal comprising combining at least two modulation signals, for example, BOCs or derivatives thereof, having portions (chip or a number of chips) thereof with respective relative phases or states ({++,&#x2212;&#x2212;} and {+&#x2212;,&#x2212;+}) selected such that the average of a plurality of said portions at least reduces cross spectral terms of the composite complex spectrum of said at least two modulation signals.

Signals, system, method and apparatus

Embodiments of the present invention provide a method to produce a modulation signal comprising combining at least two modulation signals, for example, BOCs or derivatives thereof, having portions (chip or a number of chips) thereof with respective relative phases or states ({++, &#x2212;&#x2212;} and {+&#x2212;, &#x2212;+}) selected such that the average of a plurality of said portions at least reduces cross spectral terms of the composite complex spectrum of said at least two modulation signals.

Growing community of inventors

Hampshire, United Kingdom

John I R Owen