Transmission/reception apparatus and method for supporting...

Details Transmission/reception apparatus and method for supporting... Transmission/reception apparatus and method for supporting...

2011-06-07

2011-06-07

Bhattacharya, Sam (Department: 2617)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S260000

Reexamination Certificate

active

07957483

ABSTRACT:
An apparatus and method for allocating dedicated pilots for supporting MIMO and setting MIMO-only interlace slots in a CDMA 2000 Nx-EV-DO compatible system. The method includes determining whether a current interlace is a particular interlace in which a Multiple Input Multiple Output (MIMO) signal for channel estimation in a receiver is inserted; and inserting the MIMO signal into the particular interlace when the current interlace is the particular interlace and then transmitting the MIMO signal according to a predetermined transmission scheme. By the apparatus and method, it is possible to effectively use the MIMO in a system in which EV-DO users, MIMO EV-DO users, OFDM users, MIMO-OFDM users co-exist.

REFERENCES:
patent: 2002/0041635 (2002-04-01), Ma et al.
patent: 2003/0153273 (2003-08-01), Ebert et al.
patent: 2004/0165676 (2004-08-01), Krishnan et al.
patent: 2004/0202142 (2004-10-01), Batariere et al.
patent: 2007/0041457 (2007-02-01), Kadous et al.

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