GB2373413A - Dual port wireless modem for circuit switched and packet switched data transfer - Google Patents

Dual port wireless modem for circuit switched and packet switched data transfer Download PDF

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Publication number
GB2373413A
GB2373413A GB0204100A GB0204100A GB2373413A GB 2373413 A GB2373413 A GB 2373413A GB 0204100 A GB0204100 A GB 0204100A GB 0204100 A GB0204100 A GB 0204100A GB 2373413 A GB2373413 A GB 2373413A
Authority
GB
United Kingdom
Prior art keywords
wireless modem
switched data
circuit switched
serial port
data transfer
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
GB0204100A
Other versions
GB2373413B (en
GB0204100D0 (en
Inventor
Daniel Monroe
Charles Lindsay
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xircom Wireless Inc
Original Assignee
Xircom Wireless 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
Priority claimed from US09/400,623 external-priority patent/US6363335B1/en
Priority claimed from US09/444,044 external-priority patent/US6697421B1/en
Priority claimed from US09/524,767 external-priority patent/US7197330B1/en
Application filed by Xircom Wireless Inc filed Critical Xircom Wireless Inc
Publication of GB0204100D0 publication Critical patent/GB0204100D0/en
Publication of GB2373413A publication Critical patent/GB2373413A/en
Application granted granted Critical
Publication of GB2373413B publication Critical patent/GB2373413B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/10—Flow control between communication endpoints
    • H04W28/14—Flow control between communication endpoints using intermediate storage
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W80/00—Wireless network protocols or protocol adaptations to wireless operation

Abstract

A dual port external wireless modem is disclosed. According to one embodiment, the external wireless modem receives command and control information over a primary serial port, and real-time data over a secondary serial port. The primary serial port is further configured to receive packet switched data, such as short message service messages, while the secondary serial port is configured to receive circuit switched data. An RF transceiver in the wireless modem modulates data and control received over the respective serial ports, preferably using a GSM protocol stack. According to an embodiment, the circuit switched and packet switched data received at the wireless modem can be simultaneously transmitted by the RF transceiver without interrupting the circuit switched data transfer, thereby avoiding a context switch and a loss of throughput.

Description

AUK PatentApplication,g,GB.', 2 373 413 PA (43) Date of Printing by UK
Office 18.09.2002 (21) Application No 0204100.2 (51) INTCL7 GOOF 9/44 13/10 13/12 H04L 12/56, H04Q 7/Z2
(22) Date of Filing 20.09.2000 (52) UK CL (Edition T) (30) Priority Data H4L LDGP LECY L209 (31) 09400623 (32) 20.09.1999 (33) US
(31) 09444020 (32) 19.11.1999 (56) Documents Cited by ISA (31) 09444044 (32) 19.11.1999 US 5809415 A US 5778024 A
(31) 09524767 (32) 14.03.2000 US 5619508 A
(86) International Application Data (58) Field of Search by ISA
PCT/US2000/025682 En 20.09.2000 EAST, IEEE (87) International Publication Data WO2001/022193 En 29.03.2001 (72) Inventor(s) Daniel Monroe Charles Lindsay (71) Applicant(s) Xircom Wireless, Inc. (74) Agent and/or Address for Service llncorPorated in USA - Delaware) J A Kemp & Co. 1365 Garden of the Gods Road, Colorado Springs, 14 South Square, Gray's Inn, LONDON, WC1R 5JJ, Colorado 80907, United States of America United Kingdom (54} Abstract Title Dual port wireless modem for circuit switched and packet switched data transfer (57} A dual port external wireless modem is disclosed. According to one embodiment, the external wireless modem receives command and control information over a primary serial port, and real-time data over a secondary serial port. The primary serial port is further configured to receive packet switched data, such as short message service messages, while the secondary serial port is configured to receive circuit switched data.
An RF transceiver in the wireless modem modulates data and control received over the respective serial ports, preferably using a GSM protocol stack. According to an embodiment, the circuit switched and packet switched data received at the wireless modem can be simultaneously transmitted by the RF transceiver without interrupting the circuit switched data transfer, thereby avoiding a context switch and a loss of throughput.
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GB0204100A 1999-09-20 2000-09-20 Dual port wireless modem for circuit switched and packet switched data transfer Expired - Fee Related GB2373413B (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US09/400,623 US6363335B1 (en) 1999-09-20 1999-09-20 Communications bridge for circuit switched data transfer simulation
US44402099A 1999-11-19 1999-11-19
US09/444,044 US6697421B1 (en) 1999-11-19 1999-11-19 Operator independent, transparent wireless modem management
US09/524,767 US7197330B1 (en) 2000-03-14 2000-03-14 Dual port wireless modem for circuit switched and packet switched data transfer
PCT/US2000/025682 WO2001022193A2 (en) 1999-09-20 2000-09-20 Dual port wireless modem for circuit switched and packet switched data transfer

Publications (3)

Publication Number Publication Date
GB0204100D0 GB0204100D0 (en) 2002-04-10
GB2373413A true GB2373413A (en) 2002-09-18
GB2373413B GB2373413B (en) 2004-01-07

Family

ID=27503453

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0204100A Expired - Fee Related GB2373413B (en) 1999-09-20 2000-09-20 Dual port wireless modem for circuit switched and packet switched data transfer

Country Status (5)

Country Link
JP (1) JP4755375B2 (en)
CN (2) CN100461779C (en)
AU (1) AU4019501A (en)
GB (1) GB2373413B (en)
WO (1) WO2001022193A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7197330B1 (en) 2000-03-14 2007-03-27 Intel Corporation Dual port wireless modem for circuit switched and packet switched data transfer
US6697421B1 (en) 1999-11-19 2004-02-24 Intel Corporation Operator independent, transparent wireless modem management
DE102006046187A1 (en) * 2006-09-29 2008-04-03 Infineon Technologies Ag Data communication method for data processing device i.e. personal computer, involves extracting data from data packets and providing data in packets of one type with format according to data communication protocol for device
CN102170618A (en) * 2010-02-26 2011-08-31 国际商业机器公司 Short message processing method and equipment
WO2011137867A2 (en) * 2011-07-13 2011-11-10 华为终端有限公司 Method and device for communication

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5619508A (en) * 1993-01-08 1997-04-08 Multi-Tech Systems, Inc. Dual port interface for a computer-based multifunction personal communication system
US5778024A (en) * 1996-02-01 1998-07-07 Qualcomm Incorporated Dual-mode communications processor
US5809415A (en) * 1995-12-11 1998-09-15 Unwired Planet, Inc. Method and architecture for an interactive two-way data communication network

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100302924B1 (en) * 1996-12-20 2001-09-22 포만 제프리 엘 Improvements in data communications
JPH11251998A (en) * 1998-02-27 1999-09-17 Hitachi Ltd Communication equipment

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5619508A (en) * 1993-01-08 1997-04-08 Multi-Tech Systems, Inc. Dual port interface for a computer-based multifunction personal communication system
US5809415A (en) * 1995-12-11 1998-09-15 Unwired Planet, Inc. Method and architecture for an interactive two-way data communication network
US5778024A (en) * 1996-02-01 1998-07-07 Qualcomm Incorporated Dual-mode communications processor

Also Published As

Publication number Publication date
WO2001022193A3 (en) 2001-08-09
CN100461779C (en) 2009-02-11
WO2001022193A2 (en) 2001-03-29
JP2003510865A (en) 2003-03-18
GB2373413B (en) 2004-01-07
AU4019501A (en) 2001-04-24
JP4755375B2 (en) 2011-08-24
GB0204100D0 (en) 2002-04-10
CN1677963A (en) 2005-10-05
CN1193293C (en) 2005-03-16
CN1382275A (en) 2002-11-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20110920