WO1995013685A3 - A cellular digital packet data mobile data base station - Google Patents

A cellular digital packet data mobile data base station Download PDF

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Publication number
WO1995013685A3
WO1995013685A3 PCT/US1994/013026 US9413026W WO9513685A3 WO 1995013685 A3 WO1995013685 A3 WO 1995013685A3 US 9413026 W US9413026 W US 9413026W WO 9513685 A3 WO9513685 A3 WO 9513685A3
Authority
WO
WIPO (PCT)
Prior art keywords
mdbs
cdpd
base station
digital packet
cellular digital
Prior art date
Application number
PCT/US1994/013026
Other languages
French (fr)
Other versions
WO1995013685A2 (en
Inventor
Mark Robinson
Steven H Gardner
Matt Wong
Seton P Kasmir
Kumar Balachandran
Sue Graham
Gail Schjelderup
Roy Franklin Quick
Original Assignee
Pacific Comm Sciences Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pacific Comm Sciences Inc filed Critical Pacific Comm Sciences Inc
Priority to AU10949/95A priority Critical patent/AU1094995A/en
Publication of WO1995013685A2 publication Critical patent/WO1995013685A2/en
Publication of WO1995013685A3 publication Critical patent/WO1995013685A3/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices
    • H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/02—Selection of wireless resources by user or terminal

Abstract

A cellular digital packet data (CDPD) system includes a mobile data base station (MDBS) configured to interface easily with an advanced mobile phone system (AMPS). The elements of the MDBS are arranged on modules and the functionality of the MDBS is divided among the modules to facilitate flexibility, compactness and quick expansion of the MDBS. To further facilitate compactness, the MDBS includes a transceiver/modem board which uses a single chip to carry out delta-sigma modulation. In order to maintain the integrity of CDPD transmission, a channel hopping scheme is used based upon avoidance of AMPS channel use. A distinctive protocol is used to encapsulate control/query/response data for transmission throughout the CDPD system. This protocol also facilitates easy control of each MDBS throughout the system.
PCT/US1994/013026 1993-11-12 1994-11-14 A cellular digital packet data mobile data base station WO1995013685A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU10949/95A AU1094995A (en) 1993-11-12 1994-11-14 A cellular digital packet data mobile data base station

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/152,005 US5544222A (en) 1993-11-12 1993-11-12 Cellular digtial packet data mobile data base station
US08/152,005 1993-11-12

Publications (2)

Publication Number Publication Date
WO1995013685A2 WO1995013685A2 (en) 1995-05-18
WO1995013685A3 true WO1995013685A3 (en) 1995-10-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1994/013026 WO1995013685A2 (en) 1993-11-12 1994-11-14 A cellular digital packet data mobile data base station

Country Status (3)

Country Link
US (3) US5544222A (en)
AU (1) AU1094995A (en)
WO (1) WO1995013685A2 (en)

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US6122527A (en) 2000-09-19

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