[go: up one dir, main page]

GB2386506B - Dual mode signal processing - Google Patents

Dual mode signal processing

Info

Publication number
GB2386506B
GB2386506B GB0205935A GB0205935A GB2386506B GB 2386506 B GB2386506 B GB 2386506B GB 0205935 A GB0205935 A GB 0205935A GB 0205935 A GB0205935 A GB 0205935A GB 2386506 B GB2386506 B GB 2386506B
Authority
GB
United Kingdom
Prior art keywords
signal processing
mode signal
dual mode
dual
processing
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.)
Expired - Fee Related
Application number
GB0205935A
Other versions
GB2386506A (en
GB0205935D0 (en
Inventor
Jonathan David Lewis
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.)
Toshiba Europe Ltd
Original Assignee
Toshiba Research Europe Ltd
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 Toshiba Research Europe Ltd filed Critical Toshiba Research Europe Ltd
Priority to GB0205935A priority Critical patent/GB2386506B/en
Publication of GB0205935D0 publication Critical patent/GB0205935D0/en
Publication of GB2386506A publication Critical patent/GB2386506A/en
Application granted granted Critical
Publication of GB2386506B publication Critical patent/GB2386506B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/0003—Software-defined radio [SDR] systems, i.e. systems wherein components typically implemented in hardware, e.g. filters or modulators/demodulators, are implented using software, e.g. by involving an AD or DA conversion stage such that at least part of the signal processing is performed in the digital domain
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0008—Modulated-carrier systems arrangements for allowing a transmitter or receiver to use more than one type of modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/707—Spread spectrum techniques using direct sequence modulation
    • H04B1/7097—Interference-related aspects
    • H04B1/71—Interference-related aspects the interference being narrowband interference
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/69—Spread spectrum techniques
    • H04B1/7163—Spread spectrum techniques using impulse radio
    • H04B1/7183—Synchronisation

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
GB0205935A 2002-03-13 2002-03-13 Dual mode signal processing Expired - Fee Related GB2386506B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0205935A GB2386506B (en) 2002-03-13 2002-03-13 Dual mode signal processing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0205935A GB2386506B (en) 2002-03-13 2002-03-13 Dual mode signal processing

Publications (3)

Publication Number Publication Date
GB0205935D0 GB0205935D0 (en) 2002-04-24
GB2386506A GB2386506A (en) 2003-09-17
GB2386506B true GB2386506B (en) 2004-06-30

Family

ID=9932900

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0205935A Expired - Fee Related GB2386506B (en) 2002-03-13 2002-03-13 Dual mode signal processing

Country Status (1)

Country Link
GB (1) GB2386506B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7680215B2 (en) 2006-04-06 2010-03-16 Telefonaktiebolaget L M Ericsson (Publ) Apparatus and method for efficient inter radio access technology operation
EP1928195B1 (en) 2006-11-29 2012-08-29 Renesas Electronics Corporation Frequency control during network search by a multi-rat mobile radio communications device
EP2091197A1 (en) 2008-02-15 2009-08-19 Motorola, Inc., A Corporation of the State of Delaware; Method and device for detecting a GSM channel of interest
US20130114571A1 (en) 2011-11-07 2013-05-09 Qualcomm Incorporated Coordinated forward link blanking and power boosting for flexible bandwidth systems
US9516531B2 (en) 2011-11-07 2016-12-06 Qualcomm Incorporated Assistance information for flexible bandwidth carrier mobility methods, systems, and devices
US9848339B2 (en) 2011-11-07 2017-12-19 Qualcomm Incorporated Voice service solutions for flexible bandwidth systems
US20130114433A1 (en) 2011-11-07 2013-05-09 Qualcomm Incorporated Scaling for fractional systems in wireless communication

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0600713A2 (en) * 1992-12-01 1994-06-08 Nokia Mobile Phones Ltd. Communication method and system
WO1999025078A1 (en) * 1997-11-07 1999-05-20 Siemens Aktiengesellschaft Process, receiver and mobile station used for data transmission in a radio communication system
GB2349544A (en) * 1989-05-30 2000-11-01 Secr Defence Covert communication system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2349544A (en) * 1989-05-30 2000-11-01 Secr Defence Covert communication system
EP0600713A2 (en) * 1992-12-01 1994-06-08 Nokia Mobile Phones Ltd. Communication method and system
WO1999025078A1 (en) * 1997-11-07 1999-05-20 Siemens Aktiengesellschaft Process, receiver and mobile station used for data transmission in a radio communication system

Also Published As

Publication number Publication date
GB2386506A (en) 2003-09-17
GB0205935D0 (en) 2002-04-24

Similar Documents

Publication Publication Date Title
GB0511110D0 (en) Signal processing for antenna selection
GB0407280D0 (en) Processing an output signal
GB0316076D0 (en) Identifying telcine signals
GB2372657B (en) Signal processing
AU2003273378A8 (en) Low-power signal processing using mems
AU2003291537A8 (en) Signal processing system
AU2003209585A8 (en) Signal processing
GB2371931B (en) Processing received signals
GB2386506B (en) Dual mode signal processing
GB0229396D0 (en) Signal processing
AU2003270351A1 (en) Anesthetic-state determining
GB0121199D0 (en) Signal processing
GB2417549B (en) Signal
AU2003220301A8 (en) Audio/ecg sensor/coupler with integrated signal processing
GB0322006D0 (en) Video signal processor
GB0212430D0 (en) Video signal processing
GB0114799D0 (en) Signal processing
GB2384049B (en) Dual function sensor system
GB2394592B (en) Signal
GB2388676B (en) Distributed processing
AU2003240489A1 (en) Wireless signal loss detection
GB0207288D0 (en) Signal processing element
GB0222487D0 (en) Signal enhancement
AUPS297802A0 (en) Multi-user signal processing
GB0129309D0 (en) Signal processing element

Legal Events

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

Effective date: 20140313