Coding Methods of communicating identifiers in peer discovery in a peer-to-peer network
First Claim
1. A method that facilitates linking partial identifiers obtained during differing peer discovery intervals based upon overlapping information, comprising:
- wirelessly receiving, at a first wireless terminal, a first set of partial identifiers in a first wireless transmission directly from a second wireless terminal during a first peer discovery interval;
wirelessly receiving, at the first wireless terminal, a second set of partial identifiers in a second wireless transmission directly from the second wireless terminal, during a second peer discovery interval; and
matching partial identifiers from the first set and the second set based upon bit overlap in order to identify at least the second wireless terminal within direct transmission range of the first wireless terminal, such that the first wireless terminal can wirelessly transmit directly to the second wireless terminal and linking additional partial identifiers from disparate sets related to differing peer discovery intervals to form a complete identifier of a transmitting wireless terminal,wherein a peer discovery interval is a specified time interval during which wireless terminals capable of direct peer-to-peer wireless communication detect each other using direct wireless communication.
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Abstract
Systems and methodologies are described that facilitate identifying peers based upon encoded signals during peer discovery in a peer to peer network. For example, direct signaling that partitions a time-frequency resource into a number of segments can be utilized to communicate an identifier within a peer discovery interval; thus, a particular segment selected for transmission can signal a portion of the identifier, while a remainder can be signaled based upon tones communicated within the selected segment. Moreover, a subset of symbols within the resource can be reserved (e.g., unused) to enable identifying and/or correcting timing offset. Further, signaling can be effectuated over a plurality of peer discovery intervals such that partial identifiers communicated during each of the peer discovery intervals can be linked (e.g., based upon overlapping bits and/or bloom filter information).
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Citations
28 Claims
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1. A method that facilitates linking partial identifiers obtained during differing peer discovery intervals based upon overlapping information, comprising:
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wirelessly receiving, at a first wireless terminal, a first set of partial identifiers in a first wireless transmission directly from a second wireless terminal during a first peer discovery interval; wirelessly receiving, at the first wireless terminal, a second set of partial identifiers in a second wireless transmission directly from the second wireless terminal, during a second peer discovery interval; and matching partial identifiers from the first set and the second set based upon bit overlap in order to identify at least the second wireless terminal within direct transmission range of the first wireless terminal, such that the first wireless terminal can wirelessly transmit directly to the second wireless terminal and linking additional partial identifiers from disparate sets related to differing peer discovery intervals to form a complete identifier of a transmitting wireless terminal, wherein a peer discovery interval is a specified time interval during which wireless terminals capable of direct peer-to-peer wireless communication detect each other using direct wireless communication. - View Dependent Claims (2, 3, 4, 5, 6, 26, 27, 28)
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7. A wireless communications apparatus, comprising:
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a memory that retains instructions related to wirelessly receiving, at a first wireless terminal, a first set of partial identifiers in a first wireless transmission directly from a second wireless terminal during a first peer discovery interval, wirelessly receiving, at the first wireless terminal, a second set of partial identifiers in a second wireless transmission directly from the second wireless terminal during a second peer discovery interval, and matching partial identifiers from the first set and the second set based upon bit overlap in order to identify at least the second wireless terminal within direct transmission range of the first wireless terminal, such that the first wireless terminal can wirelessly transmit directly to the second wireless terminal and linking additional partial identifiers from disparate sets related to differing peer discovery intervals to form a complete identifier of a transmitting wireless terminal, wherein a peer discovery interval is a specified time interval during which wireless terminals capable of direct peer-to-peer wireless communication detect each other using direct wireless communication; and at least one processor, coupled to the memory, configured to execute the instructions retained in the memory. - View Dependent Claims (8, 9, 10, 11, 12)
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13. A wireless communications apparatus that enables linking partial identifiers obtained during differing peer discovery intervals based upon overlapping information, comprising:
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means for wirelessly receiving, at a first wireless terminal, a first set of partial identifiers in a first wireless transmission directly from a second wireless terminal during a first peer discovery interval; means for wirelessly receiving, at the first wireless terminal, a second set of partial identifiers in a second wireless transmission directly from the second wireless terminal during a second peer discovery interval; and means for matching partial identifiers from the first set and the second set based upon bit overlap in order to identify at least the second wireless terminal within direct transmission range of the first wireless terminal, such that the first wireless terminal can wirelessly transmit directly to the second wireless terminal and means for linking additional partial identifiers from disparate sets related to differing peer discovery intervals to form a complete identifier of a transmitting wireless terminal, wherein a peer discovery interval is a specified time interval during which wireless terminals capable of direct peer-to-peer wireless communication detect each other using direct wireless communication. - View Dependent Claims (14, 15, 16, 17, 18)
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19. A non-transitory computer-readable medium storing computer-executable code, comprising code to:
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wirelessly receive, at a first wireless terminal, a first set of partial identifiers in a first wireless transmission directly from a second wireless terminal during a first peer discovery interval; wirelessly receive, at the first wireless terminal, a second set of partial identifiers in a second wireless transmission directly from the second wireless terminal during a second peer discovery interval; and match partial identifiers from the first set and the second set based upon bit overlap in order to identify at least the second wireless terminal within direct transmission range of the first wireless terminal, such that the first wireless terminal can wirelessly transmit directly to the second wireless terminal and link additional partial identifiers from disparate sets related to differing peer discovery intervals to form a complete identifier of a transmitting wireless terminal, wherein a peer discovery interval is a specified time interval during which wireless terminals capable of direct peer-to-peer wireless communication detect each other using direct wireless communication. - View Dependent Claims (20, 21, 22, 23, 24)
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25. In a wireless communication system, an apparatus comprising:
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at least one processor configured to; wirelessly receive, at a first wireless terminal, a first set of partial identifiers in a first wireless transmission directly from a second wireless terminal during a first peer discovery interval; wirelessly receive, at the first wireless terminal, a second set of partial identifiers in a second wireless transmission directly from the second wireless terminal during a second peer discovery interval; and match partial identifiers from the first set and the second set based upon bit overlap in order to identify at least the second wireless terminal within direct transmission range of the first wireless terminal, such that the first wireless terminal can wirelessly transmit directly to the second wireless terminal and link additional partial identifiers from disparate sets related to differing peer discovery intervals to form a complete identifier of a transmitting wireless terminal, wherein a peer discovery interval is a specified time interval during which wireless terminals capable of direct peer-to-peer wireless communication detect each other using direct wireless communication.
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Specification