WO2004025928A2 - Telephone sans fil a circuit local - Google Patents

Telephone sans fil a circuit local Download PDF

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Publication number
WO2004025928A2
WO2004025928A2 PCT/US2003/028589 US0328589W WO2004025928A2 WO 2004025928 A2 WO2004025928 A2 WO 2004025928A2 US 0328589 W US0328589 W US 0328589W WO 2004025928 A2 WO2004025928 A2 WO 2004025928A2
Authority
WO
WIPO (PCT)
Prior art keywords
air interface
terminal unit
handset
antenna
modem
Prior art date
Application number
PCT/US2003/028589
Other languages
English (en)
Other versions
WO2004025928A3 (fr
Inventor
Satoru Yukie
Mike Kwon
Duk San Kim
Craig M. Hagopian
Original Assignee
Axesstel, 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 Axesstel, Inc. filed Critical Axesstel, Inc.
Priority to MXPA05002694A priority Critical patent/MXPA05002694A/es
Priority to JP2004536517A priority patent/JP2005538653A/ja
Priority to EP03774470A priority patent/EP1559261A2/fr
Priority to BR0314193-4A priority patent/BR0314193A/pt
Priority to AU2003282794A priority patent/AU2003282794A1/en
Priority to CA002498688A priority patent/CA2498688A1/fr
Priority to EA200500469A priority patent/EA008114B1/ru
Publication of WO2004025928A2 publication Critical patent/WO2004025928A2/fr
Publication of WO2004025928A3 publication Critical patent/WO2004025928A3/fr

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
    • H04W88/02—Terminal devices
    • H04W88/021—Terminal devices adapted for Wireless Local Loop operation
    • 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
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/724—User interfaces specially adapted for cordless or mobile telephones
    • 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
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • a wireless local loop phone is used to communicate with a wireless cellular or PCS network.
  • a wireless local loop phone includes a handset connected to a terminal unit.
  • the terminal unit provides an air interface to communicate with a wireless network, such as a CDMA, GSM, or TDMA network.
  • Wireless local loop phones are often used as local and long distance home phones where a land line phone system is not available.
  • a phone system includes: a terminal unit comprising: a first antenna, a first modem connected to said first antenna, a second antenna, a second modem connected to said second antenna, a modem interface connected to said first modem and to said second modem; wherein said first modem provides a first air interface using said first antenna for short range communication, said second modem provides a second air interface using said second antenna, and said second air interface is different than said first air interface.
  • a method of wireless communication includes: receiving a signal in a first air interface format from a wireless base station through a first antenna of a terminal unit; converting said signal to a second air interface format; and sending said signal in said second air interface format to a wireless handset through a second antenna of said terminal unit; wherein said first air interface format is a wireless local loop air interface format, said second air interface format is a short range wireless air interface format, and said signal includes voice data.
  • a method of wireless communication includes: receiving a signal in a first air interface format from a wireless handset through a first antenna of a terminal unit; converting said signal to a second air interface format; and sending said signal in said second air interface format to a wireless base station through a second antenna of said terminal unit; wherein said first air interface format is a short range wireless air interface format, said second air interface format is a wireless local loop air interface format, and said signal includes voice data.
  • a method of wireless communication includes: receiving a signal including a command in a first air interface format from a wireless handset through a first antenna of a terminal unit; converting said signal to command data indicating said command; and executing said command at said terminal unit; wherein said first air interface format is a short range wireless air interface format, said second air interface format is a wireless local loop air interface format, and said terminal unit includes a second antenna for supporting a second air interface.
  • Figure 1 shows one implementation of a wireless local loop phone system.
  • Figure 2 shows a block diagram of one implementation of a wireless local loop terminal unit.
  • Figure 3 shows a block diagram of one implementation of a cordless handset.
  • Figure 4 shows a flow chart of one implementation of sending voice data from a handset to a wireless network.
  • Figure 5 shows a flow chart of one implementation of sending voice data from a wireless network to a handset.
  • Figure 6 shows a flow chart of one implementation of issuing a command from a handset to a wireless local loop terminal unit.
  • a terminal unit provides a wireless local loop interface to communicate with a cellular or PCS network and a cordless telephone interface to communicate with a cordless handset.
  • a user places and receives calls through the cordless handset.
  • the terminal unit interacts with the cordless handset and the cellular network to act as a pass
  • PSTN public switched telephone network
  • a wireless local loop terminal unit includes two modems: a CDMA modem and a cordless phone modem.
  • the terminal unit also includes a modem interface connected to the modems.
  • a cordless handset includes a cordless phone modem that is compatible with the cordless phone modem of the terminal unit.
  • a user speaks into a microphone in the cordless handset to send voice data, such as when speaking to another user in a phone conversation.
  • the cordless handset processes the incoming audio, generating voice data.
  • the cordless handset sends the voice data to the terminal unit through the cordless phone modem.
  • the terminal unit receives the voice data through its cordless phone modem.
  • the terminal unit uses the modem interface to process the voice data and pass the processed voice data to the CDMA modem.
  • the terminal unit sends the voice data to a CDMA wireless network through the CDMA modem.
  • the CDMA network passes the voice data to the PSTN.
  • the terminal unit For incoming voice data, the terminal unit receives voice data from the CDMA wireless network through the CDMA modem (e.g., for voice data from the PSTN). The terminal unit uses the modem interface to process the voice data and pass the processed voice data to the cordless phone modem. The terminal unit sends the voice data to the cordless handset through the cordless phone modem. The cordless handset receives the voice data through its cordless phone modem. The cordless handset processes the received voice data and outputs corresponding audio through a speaker.
  • the CDMA wireless network e.g., for voice data from the PSTN.
  • the terminal unit uses the modem interface to process the voice data and pass the processed voice data to the cordless phone modem.
  • the terminal unit sends the voice data to the cordless handset through the cordless phone modem.
  • the cordless handset receives the voice data through its cordless phone modem.
  • the cordless handset processes the received voice data and outputs corresponding audio through a speaker.
  • a user can place and receive calls to and from the PSTN using a cordless phone interface and a wireless local loop interface.
  • a user gains the benefit of mobility in the local environment through the cordless connection between the handset and the terminal unit.
  • the user also gains the benefits of a wireless local loop connection between the terminal unit and the PSTN (e.g., avoiding the cost of installing and maintaining a land line connection between the terminal unit and the PSTN).
  • FIG. 1 shows one implementation of a wireless local loop phone system.
  • a terminal unit 105 has a first wireless connection to a handset 110.
  • the first wireless connection is a local wireless connection, such as a cordless phone connection or an IEEE
  • the terminal unit 105 has a second wireless connection to a base station 115.
  • the second wireless connection is a wide area wireless connection, such as a cellular, PCS, or fixed wireless connection.
  • the wireless network is a dedicated wireless local loop network.
  • the wireless network is a cellular or PCS network also used for wireless mobile handsets (e.g., cell phones).
  • the base station 115 is connected to the public switched telephone network (PSTN).
  • PSTN public switched telephone network
  • the base station is connected to a different telephone network such as a private exchange or private cellular network.
  • FIG 2 shows a block diagram of one implementation of a wireless local loop terminal unit 200, such as for the terminal unit 105 shown in Figure 1.
  • the terminal unit 200 includes a wireless local loop (WLL) modem 205 and a cordless modem 210.
  • the wireless local loop modem 205 is a wireless telephony modem and supports a wireless phone connection and protocol or air interface for communication with a wireless network, such as CDMA, TDMA, or GSM among others.
  • the cordless modem 210 is another wireless telephony modem and supports a wireless phone connection and protocol or air interface for local or short-range communication with a wireless device or handset, such as a typical analog cordless connection, a digital cordless connection, or a wireless LAN connection (e.g., 802.11 or "Wi-Fi").
  • a wireless device or handset such as a typical analog cordless connection, a digital cordless connection, or a wireless LAN connection (e.g., 802.11 or "Wi-Fi").
  • the wireless local loop modem 205 is connected to a first radio interface 215 which is in turn connected to a first antenna 220.
  • the radio interface 215 is a typical radio interface and includes: radio frequency (RF) components, a duplexer, a low noise amplifier (LNA), a bandpass filter (BPF), an isolator, and a power amplifier.
  • the radio interface 215 operates similarly to typical radio interfaces in mobile wireless handsets.
  • the wireless local loop modem 205 For sending signals using the wireless local loop connection, the wireless local loop modem 205 provides modulated signals to the radio interface 215.
  • the RF components provide the modulated signals from the wireless local loop modem 205 to the power amplifier.
  • the power amplifier provides an amplified signal to the isolator, which in turn provides the signal to the duplexer and on to the antenna 220.
  • the antenna 220 provides a signal received from the wireless network to the duplexer.
  • the duplexer provides the signal to the LNA which provides an amplified signal to the BPF.
  • the BPF provides a filtered signal to the RF components which provide the signal to the wireless local loop modem 205.
  • the cordless modem 210 is connected to a second radio interface 225 which is in turn connected to a second antenna 230.
  • the second radio interface 225 and antenna 230 operate similarly to the first radio interface 215 and antenna 220 to send and receive signals between the cordless modem 210 and a cordless handset (e.g., the cordless handset 110 shown in Figure 1).
  • the wireless local loop modem 205 and the cordless modem 210 are both connected to a modem interface 235.
  • the modem interface 235 processes and passes signals between the two modems 205, 210.
  • the modem interface 235 provides any necessary conversion or formatting of signals and data to support passing data between the handset and the wireless network.
  • the modem interface 235 receives a demodulated signal from the cordless modem 210 and provides preprocessing of the signal to prepare the signal for the wireless local loop modem 205.
  • the wireless local loop modem and the cordless modem provide output data in the proper format for the other modem and so interact directly. In this case, the modem interface is omitted or integrated into the modems.
  • the terminal unit 200 includes a control block 240 and connected memory 245 to support and control the operation of the terminal unit 200.
  • the control block 240 and the modems 205, 210 operate together to place and receive telephone calls through the wireless network.
  • a command interface 250 is connected to the control block 240.
  • the command interface 250 processes commands received by the terminal unit 200 for the handset and commands received from the handset for the terminal unit 200.
  • the control block 240 and the command interface 250 operate in conjunction to carry out the received commands.
  • the terminal unit 200 also includes additional components typical of a wireless local loop terminal and a cordless phone terminal: a power source 255 (e.g., a battery or external power connection) connected to the powered components of the terminal unit 200 (connections not shown in Figure 2); a phase locked loop (PLL) 260; a user interface 265 including a keypad (e.g., for number entry or a page button), ringer, and display; a peripheral interface 270 including one or more connections for external peripheral devices (e.g., RJ-1 1 to analog fax, RJ-11 to additional phones (cordless or wired), RJ-45/RS-232 to PC for data, or a network connection); and a cradle 275 for receiving the handset and providing power to the handset for recharging.
  • a power source 255 e.g., a battery or external power connection
  • PLL phase locked loop
  • PLL phase locked loop
  • user interface 265 including a keypad (e.g., for number entry or a page
  • FIG 3 shows a block diagram of one implementation of a cordless handset 300, such as for the handset 1 10 shown in Figure 1.
  • the handset 300 includes a cordless
  • the cordless modem 305 is a wireless telephony modem and supports a wireless phone connection and protocol or air interface for local or short-range communication with a wireless device or handset, such as a typical analog cordless connection, a digital cordless connection, for a wireless LAN connection (e.g., 802.1 1 or "Wi-Fi").
  • the cordless modem 305 is connected to a radio interface 310 which is in turn connected to an antenna 315.
  • the radio interface 310 and antenna 315 operate similarly to the radio interface 225 and antenna 230 described above to send and receive signals between the cordless modem 305 and a cordless terminal unit (e.g., the terminal unit 105 shown in Figure 1).
  • the handset 300 includes a control block 320 and connected memory 325 to support and control the operation of the handset. 300
  • the control block 320 and the modem 305 operate together to place and receive telephone calls through the terminal unit and the wireless network.
  • a command interface 330 is connected to the control block 320.
  • the command interface 330 processes commands received by the handset 300 for the terminal unit and commands received from the terminal unit for the handset 300.
  • the control block 320 and the command interface 330 operate in conjunction to carry out the received commands.
  • the handset 300 also includes additional components typical of a cordless phone handset: a power source 335 (e.g., a rechargeable battery) connected to the powered components of the handset 300 (connections not shown in Figure 3); a phase locked loop (PLL) 340; an audio block 345 including a microphone and a speaker; a user interface 350 including a keypad (e.g., for number entry), ringer, and display; and a cradle connector 355 for connecting the handset 300 to the terminal unit and providing power to the handset 300 for recharging.
  • the terminal unit and the handset operate together so that a user can originate and receive calls through the telephone network connected to the wireless local loop network of the terminal unit.
  • the handset and terminal unit provide basic wireless local loop phone functions such as a simulated dial tone function and an auto pulse sending function.
  • Figure 4 shows a flow chart 400 of one implementation of sending voice data from a handset to a wireless network. Initially, a telephone call has been placed or received through the handset and terminal unit, establishing an open connection between the handset and the terminal unit and between the terminal unit and the wireless network.
  • the handset processes the audio signal and converts the audio signal to a signal formatted for the air interface between the handset and the terminal unit, block 410.
  • the handset processes and modulates the audio signal according to a typical cordless phone air interface.
  • the handset sends the formatted signal to the terminal unit, block 415.
  • the handset sends the formatted signal to the terminal unit using the cordless modem and antenna of the handset.
  • the terminal unit receives the signal from the handset, block 420.
  • the terminal unit receives and processes the signal using the antenna and modem corresponding to the air interface between the handset and the terminal unit.
  • the terminal unit converts the received signal to a signal formatted for the air interface between the terminal unit and the wireless network, block 425.
  • the terminal unit uses a modem interface to pass the signal from the modem for the air interface corresponding to the handset to the modem for the air interface corresponding to the wireless network.
  • the terminal unit processes and modulates the signal according to a wireless local loop air interface, such as a CDMA interface.
  • the terminal unit sends the reformatted signal to the wireless network, block 430.
  • the terminal unit sends the reformatted signal to a base station in the wireless network using the wireless local loop modem and antenna of the terminal unit.
  • Figure 5 shows a flow chart 500 of one implementation of sending voice data from a wireless network to a handset. Initially, a telephone call has been placed or received through the handset and terminal unit establishing an open connection between the handset and the terminal unit and between the terminal unit and the wireless network.
  • the terminal unit receives a signal including voice data from the wireless network, block 505.
  • the terminal unit receives and processes a signal from a base station in the wireless network using the wireless local loop modem and antenna of the terminal unit.
  • the terminal unit converts the received signal to a signal formatted for the air interface between the terminal unit and the handset, block 510.
  • the terminal unit uses a modem interface to pass the signal from the modem for the air interface corresponding to the wireless network to the modem for the air interface corresponding to the handset.
  • the terminal unit processes and modulates the signal according to a typical cordless phone air interface.
  • the terminal unit sends the formatted signal to the handset, block 515.
  • the terminal unit sends the signal to the handset using the cordless modem and antenna of the terminal unit.
  • the handset receives the signal from the terminal unit, block 520.
  • the handset receives and processes the signal from the terminal unit using the modem and antenna of the handset.
  • the handset processes the received signal and converts the signal to an audio signal, block 525.
  • the handset processes in demodulates the signal according to a typical cordless phone air interface.
  • the handset outputs the audio through a speaker to the user, block 530.
  • the terminal unit and handset also operate together to allow a user to enter commands to control the terminal unit through the handset and to control the handset through the terminal unit.
  • each of the terminal unit and the handset include user interfaces for inputting commands and display information about the results of commands.
  • either or both of the handset and the terminal unit include components for supporting and processing speech recognition for voice commands.
  • Figure 6 shows a flow chart 600 of one implementation of issuing a command from a handset to a wireless local loop terminal unit.
  • a user has activated a handset and opened a wireless connection between the handset and a terminal unit.
  • the user inputs a command through the user interface of the handset, block 605.
  • the user selects a command using a keypad on the handset.
  • the handset processes the input command, block 610.
  • the handset determines that the command is intended for the terminal unit rather than the handset.
  • the handset uses a command interface to process and interpret the command.
  • the handset converts the command to a signal formatted for the air interface between the handset and the terminal unit, block 615.
  • the handset processes and modulates the command data according to a typical cordless phone air interface.
  • the handset sends the formatted signal to the terminal unit, block 620.
  • the handset sends the formatted signal to the terminal unit using the cordless modem and antenna of the handset.
  • the terminal unit receives the signal from the handset, block 625.
  • the terminal unit receives the signal using the antenna and modem corresponding to the air interface between the handset and the terminal unit.
  • the terminal unit converts the received signal to command data and processes the command, block 630.
  • the terminal unit uses a command interface to process and interpret the command.
  • the terminal unit executes the command, block 635.
  • a user can enter commands through the terminal unit to control the handset in a similar way.
  • the terminal unit processes the input command and sends the
  • each computer includes one or more processors, one or more data-storage components (e.g., volatile or non-volatile memory modules and persistent optical and magnetic storage devices, such as hard and floppy disk drives, CD-ROM drives, and magnetic tape drives), one or more input devices (e.g., mice and keyboards), and one or more output devices (e.g., display consoles and printers).
  • data-storage components e.g., volatile or non-volatile memory modules and persistent optical and magnetic storage devices, such as hard and floppy disk drives, CD-ROM drives, and magnetic tape drives
  • input devices e.g., mice and keyboards
  • output devices e.g., display consoles and printers.
  • the computer programs include executable code that is usually stored in a persistent storage medium and then copied into memory at run-time.
  • the processor executes the code by retrieving program instructions from memory in a prescribed order.
  • the computer receives data from the input and/or storage devices, performs operations on the data, and then delivers the resulting data to the output and/or storage devices.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Transceivers (AREA)
  • Telephonic Communication Services (AREA)
  • Telephone Set Structure (AREA)
  • Telephone Function (AREA)
  • Radio Relay Systems (AREA)

Abstract

L'invention concerne un procédé et un appareil destinés à mettre en oeuvre un système de téléphone permettant une connexion sans fil locale et une connexion sans fil à zone étendue. Dans un mode de réalisation, un système de téléphonie comprend: une unité de terminal constituée d'une première antenne, d'un premier modem connecté à ladite première antenne, un deuxième antenne, une deuxième modem connecté à ladite deuxième antenne, et une interface de modem connectée audits premier et deuxième modems, ledit premier modem fonctionnant comme une première interface aérienne utilisant la première antenne pour la communication de courte portée, ledit deuxième modem assurant une deuxième interface aérienne utilisant ladite deuxième antenne. La deuxième interface aérienne est différente de la première interface aérienne.
PCT/US2003/028589 2002-09-10 2003-09-10 Telephone sans fil a circuit local WO2004025928A2 (fr)

Priority Applications (7)

Application Number Priority Date Filing Date Title
MXPA05002694A MXPA05002694A (es) 2002-09-10 2003-09-10 Circuito telefonico inalambrico sin cable.
JP2004536517A JP2005538653A (ja) 2002-09-10 2003-09-10 加入者回線用コードレス型無線電話
EP03774470A EP1559261A2 (fr) 2002-09-10 2003-09-10 Telephone sans fil a circuit local
BR0314193-4A BR0314193A (pt) 2002-09-10 2003-09-10 Circuito para telefonia sem fio sem fiação
AU2003282794A AU2003282794A1 (en) 2002-09-10 2003-09-10 Cordless wireless local loop phone
CA002498688A CA2498688A1 (fr) 2002-09-10 2003-09-10 Telephone sans fil a circuit local
EA200500469A EA008114B1 (ru) 2002-09-10 2003-09-10 Радиотелефон для беспроводной связи с местной линией

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40972102P 2002-09-10 2002-09-10
US60/409,721 2002-09-10

Publications (2)

Publication Number Publication Date
WO2004025928A2 true WO2004025928A2 (fr) 2004-03-25
WO2004025928A3 WO2004025928A3 (fr) 2004-05-13

Family

ID=31993995

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2003/028589 WO2004025928A2 (fr) 2002-09-10 2003-09-10 Telephone sans fil a circuit local

Country Status (13)

Country Link
EP (1) EP1559261A2 (fr)
JP (1) JP2005538653A (fr)
KR (1) KR20050035304A (fr)
CN (1) CN1695311A (fr)
AU (1) AU2003282794A1 (fr)
BR (1) BR0314193A (fr)
CA (1) CA2498688A1 (fr)
CO (1) CO5650192A2 (fr)
EA (1) EA008114B1 (fr)
EC (1) ECSP055721A (fr)
MX (1) MXPA05002694A (fr)
WO (1) WO2004025928A2 (fr)
ZA (1) ZA200502861B (fr)

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GB2398710A (en) * 2003-01-08 2004-08-25 Vtech Telecomm Ltd Cordless telephone system with wireless expansion peripherals
WO2006094634A1 (fr) * 2005-03-08 2006-09-14 Vodafone Holding Gmbh Dispositif comportant deux unites emettrices / receptrices pour l'echange d'informations entre un terminal mobile et un reseau de telephonie mobile
EP1768313A2 (fr) * 2005-09-21 2007-03-28 Siemens Aktiengesellschaft Unité de conversion et procédé de contrôle de communication dans un réseau de communication sans fil
JP2011509636A (ja) * 2008-01-10 2011-03-24 ソニー株式会社 ミリ波電力変換
US8422442B2 (en) 2007-06-13 2013-04-16 Panasonic Corporation Radio communication apparatus
US9198012B2 (en) 2011-07-22 2015-11-24 Fujitsu Limited Communication apparatus and communication method for extracting notification information from received signal and transmitting notification information

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JPWO2009050879A1 (ja) * 2007-10-15 2011-02-24 パナソニック株式会社 無線通信装置、クレードル装置および中継送信方法
MX2010011053A (es) * 2008-04-10 2010-11-12 Sharp Kk Dispositivo de procesamiento de señal de audio y metodo de procesamiento de señal de audio.
CN107426433A (zh) * 2017-07-31 2017-12-01 努比亚技术有限公司 数据上报系统及方法

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2398710A (en) * 2003-01-08 2004-08-25 Vtech Telecomm Ltd Cordless telephone system with wireless expansion peripherals
US6990356B2 (en) 2003-01-08 2006-01-24 Vtech Telecommunications, Limited Cordless telephone system with wireless expansion peripherals
GB2398710B (en) * 2003-01-08 2006-08-09 Vtech Telecomm Ltd Cordless telephone system with wireless expansion peripherals
WO2006094634A1 (fr) * 2005-03-08 2006-09-14 Vodafone Holding Gmbh Dispositif comportant deux unites emettrices / receptrices pour l'echange d'informations entre un terminal mobile et un reseau de telephonie mobile
EP1768313A2 (fr) * 2005-09-21 2007-03-28 Siemens Aktiengesellschaft Unité de conversion et procédé de contrôle de communication dans un réseau de communication sans fil
EP1768313A3 (fr) * 2005-09-21 2007-04-11 Siemens Aktiengesellschaft Unité de conversion et procédé de contrôle de communication dans un réseau de communication sans fil
US8422442B2 (en) 2007-06-13 2013-04-16 Panasonic Corporation Radio communication apparatus
JP2011509636A (ja) * 2008-01-10 2011-03-24 ソニー株式会社 ミリ波電力変換
US9198012B2 (en) 2011-07-22 2015-11-24 Fujitsu Limited Communication apparatus and communication method for extracting notification information from received signal and transmitting notification information

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JP2005538653A (ja) 2005-12-15
BR0314193A (pt) 2005-07-26
MXPA05002694A (es) 2006-01-30
ZA200502861B (en) 2006-06-28
CA2498688A1 (fr) 2004-03-25
EA200500469A1 (ru) 2005-10-27
WO2004025928A3 (fr) 2004-05-13
ECSP055721A (es) 2005-11-22
EA008114B1 (ru) 2007-04-27
CN1695311A (zh) 2005-11-09
AU2003282794A1 (en) 2004-04-30
EP1559261A2 (fr) 2005-08-03
KR20050035304A (ko) 2005-04-15
CO5650192A2 (es) 2006-06-30

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