Distributed indoor digital multiple-access cellular telephone system

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5903834
SERIAL NO

08540326

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A communication network, and associated method, permitting wireless communication with a mobile unit in an indoor environment. Transceivers are positioned at spaced-apart locations and are coupled to a centralized, control device. The transceivers include transmitter portions and wideband receiver portions. Uplink signals transmitted by a mobile unit are received by receiver portions of transceivers within the range of the uplink signal. Downlink signals are generated by at least two transmitter portions of at least two transceivers. The control device controls selection of which transmitter portions and which receiver portions of the plurality of transceivers are utilized to effectuate two-way communication with the mobile unit. Control signals can also be transmitted by the transmitter portions of all of the transceivers such that a mobile unit positioned anywhere within the area of the communication network receives the control signals.

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First Claim

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Patent Owner(s)

  • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Dannelind, John Tomas Robert Solna, SE 2 322
Forsen, Anders Borje Taby, SE 1 250
Frodigh, Carl Magnus Kista, SE 12 1552
Hedberg, Bo Gosta Kista, SE 1 250
Kronestedt, Carl Fredric Ulf Stockholm, SE 3 293
Wallstedt, Yngve Kenneth Solna, SE 9 631

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