Method and system for choice of a steering matrix (Q) for...

Details Method and system for choice of a steering matrix (Q) for... Method and system for choice of a steering matrix (Q) for...

2011-03-29

2011-03-29

Kim, Kevin Y (Department: 2611)

Pulse or digital communications

Transmitters

Plural diversity

Reexamination Certificate

active

07916807

ABSTRACT:
Aspects of a method and system for choice of a steering matrix (Q) for sounding in antenna selection are presented. Aspects of the system may include a transmitting station that enables determination of values for a plurality of matrix elements, which are represented in a steering matrix (Q). The contents of the steering matrix may be determined based on the contents of a plurality of protocol data units (PDU). Each of the PDUs may comprise a sounding frame. One or more space-time signals may be generated based on the plurality of PDUs. One or more transmit chain signals may be generated by multiplying a vector representation, which comprises the one or more space-time signals, by the steering matrix. One or more transmit chain signals may be transmitted via transmitting antennas selected from a plurality of transmitting antennas.

REFERENCES:
patent: 2008/0045153 (2008-02-01), Surineni et al.
IEEE P802.11n/D2.07, Sep. 2007, Draft STANDARD for Information Technology—Telecommunications and Information Exchange Between Systems—Local and Metropolitan Area Networks-Specific Requirements—Part 11: Wireless LAN Medium Access Control (MAC and Physical Layer (PHY) Specifications: Amendment 4 (#993): Enhancements for Higher Throughput, pp. 166-169, 239-241.

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