Pulse or digital communications – Receivers – Interference or noise reduction
Reexamination Certificate
2005-08-19
2010-10-12
Payne, David C (Department: 2611)
Pulse or digital communications
Receivers
Interference or noise reduction
C375S299000, C455S101000, C455S132000, C455S296000, C455S500000
Reexamination Certificate
active
07813458
ABSTRACT:
A network entity in a multi-transmit antenna system, such as a transmitting or receiving entity, includes a component such as a pre-coder or a receiver, and is configured for full-spatial-rate coding data. The network entity is capable of providing a full-spatial-rate codebook having been designed by selecting an underlying partial-spatial-rate codebook designed for a system configured for partial-spatial-rate coding data. The full-spatial-rate codebook can then be designed in a manner including defining the full-spatial-rate codewords based upon partial-spatial-rate codewords of the partial-spatial rate codebook and basis vectors of a null space of the respective partial-spatial-rate codewords in a multidimensional vector space. The network entity can also be capable of selecting codewords of the codebook in accordance with a sub-space tracking method whereby the codewords of the codebook can be selected in a manner that exploits correlations therebetween.
REFERENCES:
patent: 2005/0286663 (2005-12-01), Poon
David J. Love et al “Limited Feedback Precoding for Spatial Multiplexing Systems Using Linear Receivers” IEEE 2003.
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Heiskala Juha
Reid Tony
Son Jae
Stolpman Victor
Van Waes Nico
Alston & Bird LLP
Flores Leon
Nokia Corporation
Payne David C
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