Encoding information in beacon signals
First Claim
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1. A method of operating a base station, comprising:
- assigning a first value comprising at least one or more information bits to a first information stream;
assigning a second value comprising at least one or more information bits to a second information stream;
combining the first information stream and the second information stream using the first and second values and a maximum value of the first information stream to produce a composite value from the combined information streams; and
transmitting a waveform as a function of the composite value.
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Abstract
Systems and methodologies are described that facilitate transmitting at least two different types of information in a single signal, whereby the different types of information can be encoded and decoded independently. Thus, changes to one type of information does not affect a second type of information.
125 Citations
25 Claims
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1. A method of operating a base station, comprising:
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assigning a first value comprising at least one or more information bits to a first information stream; assigning a second value comprising at least one or more information bits to a second information stream; combining the first information stream and the second information stream using the first and second values and a maximum value of the first information stream to produce a composite value from the combined information streams; and transmitting a waveform as a function of the composite value. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A wireless communications apparatus that produces two information streams that represent a waveform, comprising:
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a memory that retains instructions related to determining a first value comprising at least one or more information bits for a first information stream, determining a second value comprising at least one or more information bits for a second information stream, combining the values with the use of a maximum value of the first information stream to produce a composite value and transmitting a waveform as a function of the composite value; and a processor, coupled to the memory, configured to execute the instructions retained in the memory. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A wireless communications apparatus, comprising:
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means for assigning independent values comprising at least one or more information bits to a first information stream and a second information stream; means for combining the independent values with the use of a maximum value of the first information stream to produce a composite value; and means for outputting a waveform that is a function of the composite value, the waveform includes a high-energy beacon signal.
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18. The wireless communications apparatus 17, further comprising means for assigning a periodicity to the first information stream that is different from a periodicity of the second information stream.
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19. The wireless communications apparatus 17, the means for outputting the waveform that includes a high-energy beacon signal provides a transmission power of the beacon signal per degree of freedom being at least 10 dB higher than a transmission power of other signals sent at substantially a same time.
- 20. The wireless communications apparatus 17, further comprising means for representing the first value as a signal {Xi} and representing the second value as a sequence of {Yi} bits, wherein the means for combining the independent information stream values utilizes an equation Zi={Xi}*Q+{Yi}, where Q represents the maximum value of the first information stream.
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22. The wireless communications apparatus 20, wherein Zi occupies a space that is larger than a space occupied by {Xi} and a space occupied by {Yi}.
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23. A machine-readable non-transitory medium having stored thereon machine-executable instructions for:
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assigning a first value comprising at least one or more information bits to a first information stream; assigning a second value comprising at least one or more information bits to a second information stream that is independent from the value assigned to the first information stream; combining the first value and the second value with the use of a maximum value of the first information stream to produce a composite value; and transmitting a waveform that includes a high-energy beacon signal, the waveform is a function of the composite value. - View Dependent Claims (24)
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25. In a wireless communication system, an apparatus comprising:
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a processor configured to; assign independent values comprising at least one or more information bits to a first information stream and a second information stream, wherein the independent values can be selectively coded and decoded; and combine the independent values with the use of a maximum value of the first information stream for transmission in a waveform that includes a high energy beacon signal, the waveform is a function of the combined independent values.
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Specification