Multiplexing of real time services and non-real time services for OFDM systems
First Claim
1. A method of generating pilots in a wireless multiple-input multiple output (MIMO) communication system having a plurality of antennas, comprising:
- obtaining at least one pilot symbol for each antenna of the plurality of antennas;
obtaining an orthogonal sequence for each antenna in the plurality of antennas; and
covering the at least one pilot symbol for each antenna with the orthogonal sequence to obtain a sequence of covered pilot symbols for each antenna to obtain at least one covered pilot symbol for each of the plurality of antennas.
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Accused Products
Abstract
For certain embodiments of this application, a method and apparatus for generating pilots in a wireless multiple-input multiple output (MIMO) communication system is disclosed. The certain embodiments can include obtaining at least one pilot symbol for each antenna of a plurality of antennas, obtaining an orthogonal sequence for each antenna in the plurality of antennas, and covering the at least one pilot symbol for each antenna with the orthogonal sequence to obtain a sequence of covered pilot symbols for each antenna to obtain at least one covered pilot symbols for each of the plurality of antennas.
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Citations
58 Claims
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1. A method of generating pilots in a wireless multiple-input multiple output (MIMO) communication system having a plurality of antennas, comprising:
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obtaining at least one pilot symbol for each antenna of the plurality of antennas; obtaining an orthogonal sequence for each antenna in the plurality of antennas; and covering the at least one pilot symbol for each antenna with the orthogonal sequence to obtain a sequence of covered pilot symbols for each antenna to obtain at least one covered pilot symbol for each of the plurality of antennas. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A wireless communication apparatus comprising:
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a plurality of antennas; means for obtaining at least one pilot symbol for each antenna in the plurality of antennas; means for obtaining an orthogonal sequence for each antenna in the plurality of antennas; and means for covering the at least one pilot symbol for each antenna with an orthogonal sequence to obtain a sequence of covered pilot symbols for each of the plurality of antennas. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. A wireless communication apparatus comprising:
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a plurality of antennas; a plurality of modulators coupled to the plurality of antennas; and a transmit data processor, coupled to the plurality of modulators, that provides a plurality of covered pilot symbols for each antenna, wherein each covered pilot symbol is generated by covering a pilot symbol with an orthogonal sequence. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29)
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30. A method of generating pilots in a wireless multiple-input multiple output (MIMO) communication system, comprising:
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generating at least one pilot symbol for each antenna of a plurality of antennas; and applying an orthogonal sequence to each pilot symbol for each antenna to obtain orthogonal pilot symbols for each antenna. - View Dependent Claims (31, 32, 33, 34, 35, 36, 37, 38, 39, 40)
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41. A wireless communication apparatus comprising:
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a plurality of antennas; means for generating at least one pilot symbol for each antenna of the plurality of antennas; and means for applying an orthogonal sequence to each pilot symbol for each antenna to obtain orthogonal pilot symbols for each antenna. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49, 57, 58)
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50. A wireless communication apparatus comprising:
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a plurality of antennas; a plurality of modulators coupled to the plurality of antennas; and a transmit data processor, coupled to the plurality of modulators, that provides a plurality of orthogonal pilot symbols for each antenna, so that each pilot symbol for each antenna is orthogonal to the pilot symbols of the other antennas. - View Dependent Claims (51, 52, 53, 54, 55, 56)
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Specification