Wireless local area network system using space-time block coding (STBC) having backward compatibility with prior standards
First Claim
1. A method of communicating data to a single receiving antenna from N transmitting antennas, where N is an integer, the method comprising the steps of:
- performing by at least one computing device;
determining whether a legacy transmission mode has been selected, wherein N equals 1 when the legacy transmission mode has been selected and N is greater than 1 when the legacy transmission mode has not been selected;
producing N data streams from outbound data;
applying the N data streams to a space/time encoder to produce N encoded signals; and
transmitting the N encoded signals from N transmitting antennas to the single receiving antenna;
wherein the legacy transmission mode allows receivers to receive and process transmitted signals when the receivers are only configured to receive the transmitted signals from a single transmitting antenna.
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Accused Products
Abstract
A method of communicating data to a receiving antenna from N transmitting antennas, where N is an integer, includes the steps of determining whether a legacy transmission mode has been selected, producing N data streams from outbound data, and applying the N data streams to a space/time encoder to produce N encoded signals. When the legacy transmission mode has not been selected, the N encoded signals are transmitting from N transmitting antennas and when the legacy transmission mode has been selected, the one encoded signal is transmitted from one of the N transmitting antennas. The legacy transmission mode allows receivers to receive and process transmitted signals when the receivers are only configured to receive the transmitted signals from a single transmitting antenna.
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Citations
24 Claims
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1. A method of communicating data to a single receiving antenna from N transmitting antennas, where N is an integer, the method comprising the steps of:
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performing by at least one computing device; determining whether a legacy transmission mode has been selected, wherein N equals 1 when the legacy transmission mode has been selected and N is greater than 1 when the legacy transmission mode has not been selected; producing N data streams from outbound data; applying the N data streams to a space/time encoder to produce N encoded signals; and transmitting the N encoded signals from N transmitting antennas to the single receiving antenna; wherein the legacy transmission mode allows receivers to receive and process transmitted signals when the receivers are only configured to receive the transmitted signals from a single transmitting antenna. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A transmitter for communicating data to a single receiving antenna from N transmitting antennas, where N is an integer, comprising:
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determining means for determining whether a legacy transmission mode has been selected, wherein N equals 1 when the legacy transmission mode has been selected and N is greater than 1 when the legacy transmission mode has not been selected; producing means for producing N data streams from outbound data; encoding means for space/time encoding the N data streams to produce N encoded signals; and N transmitting antenna means for transmitting the N encoded signals to the single receiving antenna; wherein the legacy transmission mode allows receivers to receive and process transmitted signals when the receivers are only configured to receive the transmitted signals from a single transmitting antenna. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A transmitter for communicating data to a single receiving antenna from N transmitting antennas, where N is an integer, comprising:
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a legacy switch indicator, configured to determine whether a legacy transmission mode has been selected, wherein N equals 1 when the legacy transmission mode has been selected and N is greater than 1 when the legacy transmission mode has not been selected; a demultiplexer, configured to produce N data streams from outbound data; a space/time encoder, configured to encode the N data streams to produce N encoded signals; and N transmit antennas, configured to transmit the N encoded signals to the single receiving antenna; wherein the legacy transmission mode allows receivers to receive and process transmitted signals when the receivers are only configured to receive the transmitted signals from a single transmitting antenna. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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Specification