SPREAD-SPECTRUM COMMUNICATION UNIT
First Claim
1. A spread-spectrum unit capable of operating as a base station comprising a base subunit including:
- a receiver configured for receiving at a first frequency a plurality of spread-spectrum signals transmitted from the plurality of spread-spectrum units;
a plurality of matched filters configured for despreading the plurality of spread-spectrum signals as a plurality of despread-spread-spectrum signals;
a demodulator configured for demodulating the plurality of despread-spread-spectrum signals, to generate a plurality of demodulated signals;
a combiner configured for combining the plurality of demodulated signals, and a local signal, as a combined signal;
a converter configured for converting the combined signal to a base-data signal;
a spread-spectrum circuit configured for processing the base-data signal; and
,a transmitter configured for transmitting at a second frequency the spread-spectrum-processed-base-data signal as a base-spread-spectrum signal.
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Abstract
A set of spread-spectrum units is capable of operating as a base station or as a remote unit. Each spread-spectrum unit includes a base subunit or a remote subunit, each subunit having a receiver for receiving spread-spectrum signals at a first frequency transmitted from the spread-spectrum units; a signal despreader for despreading the spread-spectrum; a demodulator for demodulating the despread-spread-spectrum signals; a combiner for combining the demodulated signals, and a local signal; a converter for converting the combined signal to a base-data signal; a spread-spectrum circuit for processing the base-data signal; and a transmitter for transmitting at a second frequency the processed base-data signal as a base-spread-spectrum signal.
53 Citations
8 Claims
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1. A spread-spectrum unit capable of operating as a base station comprising a base subunit including:
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a receiver configured for receiving at a first frequency a plurality of spread-spectrum signals transmitted from the plurality of spread-spectrum units; a plurality of matched filters configured for despreading the plurality of spread-spectrum signals as a plurality of despread-spread-spectrum signals; a demodulator configured for demodulating the plurality of despread-spread-spectrum signals, to generate a plurality of demodulated signals; a combiner configured for combining the plurality of demodulated signals, and a local signal, as a combined signal; a converter configured for converting the combined signal to a base-data signal; a spread-spectrum circuit configured for processing the base-data signal; and
,a transmitter configured for transmitting at a second frequency the spread-spectrum-processed-base-data signal as a base-spread-spectrum signal. - View Dependent Claims (2, 3, 4, 5)
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6. A spread-spectrum unit capable of operating as a remote unit comprising a remote subunit, including:
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a receiver configured for receiving at the second frequency the base-spread-spectrum signal; a plurality of matched filters configured for despreading the base-spread-spectrum signal as a despread-base-spread-spectrum signal; a demodulator configured for demodulating the despread-base-spread-spectrum signal as a base-analog signal; a converter configured for converting a remote-analog signal to a remote-data signal; a spread-spectrum circuit configured for processing the remote-data signal; and
,a transmitter configured for transmitting at the first frequency the spread-spectrum-processed-remote-data signal as one of the plurality of spread-spectrum signals. - View Dependent Claims (7, 8)
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Specification