Structured space-time code achieving the full diversity and full rate and generating method thereof, and multi-input multi-output system
First Claim
1. A system having multiple transmit antennas, comprising:
- a transmitter configured to transmit a plurality of data symbols to a receiver according to a space-time code including a code word matrix,wherein the transmitter is configured to transmit an amount of data symbols corresponding to a product of the number of transmit antennas and a spatial multiplexing rate during one code block period, a row index of the code word matrix indicating combined signals transmitted through different transmit antennas and a column index of the code word matrix indicating time slots; and
wherein the average number of data symbols allocated to each transmit antenna at every time slot is equal to the spatial multiplexing rate, the data symbols allocated to each transmit antenna at every time slot are combined together using a set of combining coefficients and transmitted through the corresponding transmit antenna, and each transmit antenna transmits a different set of data symbols from a time slot to another, the set of combining coefficients that combines the data symbols allocated to each transmit antenna to be different for each time slot.
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Accused Products
Abstract
A space-time code used for a transmitter to transmit a plurality of data symbols to a receiver in a MIMO system, the space-time code including a code word matrix for transmitting an amount of data symbols corresponding to a product of the number of transmit antennas and a spatial multiplexing rate during one block period, wherein a row index indicates combined signals transmitted through different transmit antennas and a column index indicates time slots that correspond to the number of transmit antennas, and wherein the number of data symbols allocated to each transmit antenna in a code block corresponds to the spatial multiplexing rate, and the data symbols are combined by different combining coefficients for each transmit antenna at every time slot, and simultaneously transmitted through different transmit antennas, and each transmit antenna transmits a different set of data symbols at every time slot.
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Citations
14 Claims
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1. A system having multiple transmit antennas, comprising:
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a transmitter configured to transmit a plurality of data symbols to a receiver according to a space-time code including a code word matrix, wherein the transmitter is configured to transmit an amount of data symbols corresponding to a product of the number of transmit antennas and a spatial multiplexing rate during one code block period, a row index of the code word matrix indicating combined signals transmitted through different transmit antennas and a column index of the code word matrix indicating time slots; and wherein the average number of data symbols allocated to each transmit antenna at every time slot is equal to the spatial multiplexing rate, the data symbols allocated to each transmit antenna at every time slot are combined together using a set of combining coefficients and transmitted through the corresponding transmit antenna, and each transmit antenna transmits a different set of data symbols from a time slot to another, the set of combining coefficients that combines the data symbols allocated to each transmit antenna to be different for each time slot. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A system, comprising:
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a transmitter having multiple transmit antennas; and a receiver having multiple receive antennas and configured to decode a plurality of input data input through the multiple receive antennas of the receiver according to a decoding rule based on a space-time code, wherein the space-time code comprises a square code word matrix for transmitting an amount of data symbols corresponding to a product of the number of transmit antennas and a spatial multiplexing rate during one code block period, a row index of the code word matrix indicating combined signals transmitted through different transmit antennas and a column index of the code word matrix indicating time slots; and wherein the average number of data symbols allocated to each transmit antenna at every time slot is equal to the spatial multiplexing rate, the data symbols allocated to each transmit antenna at every time slot are combined together using a set of combining coefficients and simultaneously transmitted through the corresponding transmit antenna, and each transmit antenna transmits a different set of data symbols from a time slot to another, the set of combining coefficients that combines the data symbols allocated to each transmit antenna to be different for each time slot.
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Specification