Method and apparatus for high rate data communication utilizing an adaptive antenna array

In a wideband Personal Communication Services system, a system for suppressing co-channel interference and reducing inter-symbol interference generated during the transfer of a data packet through a selected radio frequency channel, said system comprising:

• an array of antennas for receiving a plurality of copies of the data packet having various time and amplitude distortions in the waveforms thereof;
• a plurality of down converters and analog-to-digital converters for formatting the copies of the data packet into a plurality of digital input signals;
• a plurality of dividers for generating additional copies of the input signals with less signal power;
• a weight controller for generating a plurality of least square weights;
• a plurality of L parallel array processors for integrating the generated least square weights to the copies of the input signals with less signal power to form a plurality of processed signals;
• a multi-path combiner for constructing an output signal from the processed signals;
• a detector for detecting the output signal;
• a switching means for intelligently switching between a reference data sequence and the detected output signal to produce a switched signal;
• a plurality of adjusters for adjusting time delay of the switched signal to produce a plurality of adjusted signals with different time delays;
• and
• a plurality of error processors for comparing adjusted signals to the processed signals from the L parallel array processors in order to generate a plurality of optimal least square weights.

A method for suppressing co-channel interference and reducing inter-symbol interference generated during the transfer of a data packet through a selected radio frequency channel in a wideband Personal Communication Services system, said method comprising the steps of:

• receiving and formatting a plurality of copies of the data packet having various time and amplitude distortions in the waveforms thereof;
• and
• receiving sequentially every bit of the formatted copies to form a plurality of input signals;
• generating a plurality of least square weights by a weight controller;
• generating additional copies of the input signals with less signal power with the use of a plurality of dividers;
• integrating the generated least square weights into the copies of the input signals with less signal power with the use of a plurality of L parallel array processors to form a plurality of processed signals;
• adjusting a time delay of the detected data packet by a plurality of adjusters to produce a plurality of adjusted signals with different time delays;
• and
• comparing the adjusted signals from the adjusters to the processed signals from the L parallel array processors in order to generate a plurality of optimal least square weights in the weight controller;
• constructing an output signal from the weighted input signals with the use of a multi-path combiner;
• detecting the output signal by a detector;
• and
• intelligently switching between a reference data sequence and the detected output signal using a switching means in order to generate the optimal recursive least square weights.

A method for suppressing co-channel interference and reducing inter-symbol interference generated during the transfer of data packet through a selected radio frequency channel in a wideband Personal Communication Services system, said method comprising the steps of:

• receiving a plurality of copies of the data packet having various time and amplitude distortions in the waveforms thereof with the use of an array of antennas;
• formatting the copies of the data packet into a plurality of digital input signals with the use of a plurality of down converters and analog-to-digital converters;
• generating additional copies of the input signals with less signal power with the use of a plurality of dividers;
• generating a plurality of least square weights with the use of a weight controller;
• integrating the generated least square weights into the copies of the input signals with less power to generate a plurality of processed signals with the use of a plurality of L parallel array processors;
• constructing an output signal from the processed signals with the use of a multi-path combiner;
• detecting the output signal with the use of a detector;
• intelligently switching between a reference data sequence and the detected output signal with the use of a switching means to produce a switched signal;
• adjusting a time delay of the switched signal to produce a plurality of adjusted signals with different time delays with the use of a plurality of adjusters;
• and
• comparing adjusted signals to the processed signals from the L parallel array processors in order to generate a plurality of optimal least square weights.

A method for suppressing co-channel interference and reducing inter-symbol interference generated during the transfer of data packet through a selected radio frequency channel in a wideband Personal Communication Services system, said method comprising the steps of:

• formatting a plurality of copies of a data packet into a plurality of digital input signals;
• generating additional copies of the input signals with less signal power with the use of a plurality of dividers;
• integrating a plurality of least square weights into the copies of the input signals with less power to generate a plurality of processed signals with the use of a plurality of L parallel array processors;
• constructing an output signal from the processed signals with the use of a multi-path combiner;
• intelligently switching between a reference data sequence and the output signal with the use of a switching means to produce a switched signal;
• adjusting a time delay of the switched signal to produce a plurality of adjusted signals with different time delays with the use of a plurality of adjusters;
• and
• comparing the adjusted signals to the processed signals from the L parallel array processors in order to optimize the least square weights.

An apparatus for suppressing co-channel interference and reducing inter-symbol interference generated during the transfer of data packet through a selected radio frequency channel in a wideband Personal Communication Services system, said apparatus comprising:

• a plurality of analog-to-digital converters for formatting a plurality of copies of a data packet into a plurality of digital input signals;
• a plurality of dividers for generating additional copies of the input signals with less signal power;
• a plurality of L parallel array processors for integrating a plurality of least square weights into the copies of the input signals with less power to generate a plurality of processed signals;
• a multi-path combiner for constructing an output signal from the processed signals;
• a switching means for intelligently switching between a reference data sequence and the output signal to produce a switched signal;
• and
• a plurality of adjusters for adjusting a time delay of the switched signal to produce a plurality of adjusted signals with different time delays,
• wherein the adjusted signals are compared to the processed signals from the L parallel array processors in order to optimize the least square weights.