CN1165467A - Terminal equipment - Google Patents

Terminal equipment Download PDF

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Publication number
CN1165467A
CN1165467A CN97104565A CN97104565A CN1165467A CN 1165467 A CN1165467 A CN 1165467A CN 97104565 A CN97104565 A CN 97104565A CN 97104565 A CN97104565 A CN 97104565A CN 1165467 A CN1165467 A CN 1165467A
Authority
CN
China
Prior art keywords
order
signal
terminal equipment
data
receive
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.)
Pending
Application number
CN97104565A
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Chinese (zh)
Inventor
M·温帕利
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.)
Nokia Oyj
Original Assignee
Nokia Mobile Phones 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
Priority claimed from FI961330A external-priority patent/FI105518B/en
Application filed by Nokia Mobile Phones Ltd filed Critical Nokia Mobile Phones Ltd
Publication of CN1165467A publication Critical patent/CN1165467A/en
Pending legal-status Critical Current

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    • 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
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/26—Devices for calling a subscriber
    • H04M1/27—Devices whereby a plurality of signals may be stored simultaneously
    • H04M1/274—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc
    • H04M1/2745—Devices whereby a plurality of signals may be stored simultaneously with provision for storing more than one subscriber number at a time, e.g. using toothed disc using static electronic memories, e.g. chips
    • H04M1/27485—Appending a prefix to or inserting a pause into a dialling sequence
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/14—WLL [Wireless Local Loop]; RLL [Radio Local Loop]

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)

Abstract

Disclosed is a terminal unit of the wireless local loop (WLL) system. A processor (211) is used to control a baseband part (210) and a circuit adaptor part (230). According to the technical proposal of the invention, each element in the baseband part can play a role of a circuit adapter. Under such conditions, the number of the elements and the cost of the elements can be reduced, and the working reliability of the terminal unit can be improved.

Description

Terminal equipment
The present invention relates to a kind of terminal equipment of radio local ring (WLL) system.
The WLL system is new user's a better method that public switch telephone network is expanded to, and just can expand because need not that cable is applied to each user family respectively.In radio local looped network, just in the WLL net, the terminal equipment of use comprises that telephone set or some suit and public switch telephone network (PSTN) subscriber equipment that is connected and the terminal equipment that is connected with PSTN.
Solution known today is to adopt discrete duolateral phone or radio unit to make the line adapter that adaptation cooperates between PSTN wiring and the duolateral phone/radio parts bring into play the effect of wll terminal equipment.Line adapter is equipped with the control logic circuit of microcontroller or equivalence; the task of this controller or equivalent electric circuit is identification dialing tone multifrequency (DTMF) code combination; convert code combination to message and send the duolateral telephone set to, and analyze the termination of dialing according to for example time-out or termination signal.Line adapter for example sends message to the duolateral telephone set by the universal serial bus of manufacturing firm's appointment.In addition, by the solution of prior art, line adapter also has a power supply, provides supply voltage to the duolateral telephone set.This transceiver unit is got in touch by the professional place of radio and honeycomb system usually, for example gets in touch with gsm system.In the case, can be with mobile station as transceiver unit.
Fig. 1 shows the solution that prior art plays a role wll terminal equipment.Wll terminal equipment 100 is connected with cellular system.Cellular system has a plurality of base stations 151, sends data to terminal equipment by antenna 150.Each base station all is connected with each base controller 152, and base station controller 152 is connected with switching center 153 again.Switching center 153 and public switch telephone network PSTN link.
Terminal equipment 102 comprises antenna 104, for sending and received RF signal.The signal of receiving is demodulated to baseband signal in the radio frequency part 113 of transceiver 110 after amplifying, baseband signal is then handled in parts 114.Equally, the baseband signal of transmission is handled so that transmit in parts 114 by the technical specification of cellular system after converting digital form to, is modulated into radio frequency then, amplifies so that send antenna 104 in radio frequency part 113 again.
Signal processing and radio frequency part are by processor 111 controls, and memory 112 is connected with processor 111, uses for stored routine, parameter and status data.Adjuster 115 produces the supply power voltage of using for transceiver unit 110 each several parts.
Circuit adaption section 130 has an audio-frequency unit 134, and the sound signal that makes telephone set and transceiver coadaptation mutually cooperates.DTMF detector 133 detects the dialing signal that transmits in the audio lines and sends it processor 131 of circuit adaptation element to.Hook switch detector 135 detects the situation of telephone set 101 switch hooks, and sends status data to processor 131, sends sound generator 136 simultaneously to.The wiring situation that sound generator 136 sends according to cellular system produces sound signal to telephone set.Tone generator 137 produces the high pressure bell signal (for example exchanging 45 volts) that ringing telephone stations is used.Line voltage distribution/loop current (for example direct current is 40 volts) is produced by the high voltage that DC in the direct current regulator 138 partly produces, so that meet the technical specification of telephone set.Other each several part of processor 131 control circuit adapters, and for example be connected with the processor 111 of mobile station part 110 through universal serial bus.The program of processor, parameter and the wiring status data relevant with each function of line adapter all deposit in the memory 132 that is connected with processor 131.
The solution of above-mentioned prior art has more detailed introduction in US Patent specification US5117450 (WO 9014729).
The above-mentioned solution of prior art for example has such shortcoming, and promptly the microcontroller of line adapter and relevant memory circuit have increased the production cost of adapter.In addition, the microprocessor of line adapter and transceiver are to work as complete discrete device, can have problems when they interact like this, and be all the more so especially under special circumstances.Because adopt two discrete independent microcontrollers, thereby the reliability decrease of function, because microcontroller is normally for example loosely being got in touch by universal serial bus each other, in other words, between them, only transmit the data of some relevant their situations.This is very easy to cause various misoperations.For example, when in radio net certain fault taking place, each microcontroller may stop under the operating state that differs from one another.For example, the microcontroller of adapter may be regarded wiring as connection, and the microcontroller of transceiver is used the information that the expression wiring disconnects because of the error state in the radio net.
The design of solution of the present invention is to control the base band signal process part by a processor of terminal equipment, also control circuit adapter part.According to solution of the present invention, can utilize each part of transceiver baseband portion to make it play every effect of circuit adapter, so just can reduce the number of assembly, thereby reduce production costs, improved the reliability of terminal function simultaneously.
The terminal equipment of data communication system radio local ring of the present invention comprises:
An interface is in order to couple together subscriber equipment and terminal equipment;
R-T unit is in order to the radiofrequency signal of the transfer system that transmits and receive data;
Chromacoder is in order to carry out the conversion between described radiofrequency signal and the sound signal;
Signal processing apparatus is in order to handle sound signal;
Adaptive device cooperates with the signal processing apparatus adaptation each other of sound signal between the two in order to make subscriber equipment;
The dialing signal receiving system is in order to receive the dialing signal from subscriber equipment;
Data sending device sends to data communication system in order to will receive the data that comprise in the dialing signal of user's equipment;
The status data receiving system is in order to receive the wiring status data from data communication system;
The signaling-information feeding means is in order to present signaling-information to subscriber equipment from the wiring status data of data communication system according to receiving;
First control device, in order to control described signal processing apparatus, the described data that comprise in the dialing signal of user's equipment of will receiving send to the device of data communication system and/or described in order to receive the device from the wiring status data of data communication system; With
Second control device is in order to control described adaptive device, described signaling-information to be presented to the device of subscriber equipment and/or described in order to receive the device from the dialing signal of subscriber equipment;
It is characterized in that described first control device and second control device are substantially the same control device.
Each dependent claims in claims has been showed most preferred embodiments more of the present invention.
Be described in more detail content of the present invention referring to accompanying drawing below.In the accompanying drawing:
The block diagram that Fig. 1 shows the prior art terminal equipment with and with the annexation of data communication system.
The block diagram that Fig. 2 shows terminal equipment of the present invention with and with the annexation of data communication system.
Be that the situation of just the present invention when being connected with the GSM data communication system describes below, but the present invention is not limited to said system.About gsm system, in the gsm system standard that for example ETSI (ETSI) publishes and Mouly, Pautet has more detailed introduction in " gsm system of mobile communication " literary composition of delivering in 1992.
Fig. 2 shows terminal equipment 200 of the present invention.In this equipment, adopted for example to be used in the slic circuit of office's switchboard (subscriber line interface circuit) usually as line adapter 202.Slic circuit is equipped with a plurality of adapter circuits on same chip, make corresponding to adapting between the sound signal of each adapter functions of each several part in the scheme shown in Figure 1 134,135,136 and 137 and the signaling-information.
In addition, line adapter 230 also comprises high voltage power supply device, and the high voltage supply that offers slic circuit in order to generation is pressed.In wll terminal equipment, the supply power voltage of line adapter must adopt DC low-voltage, because will guarantee and can work under the emergency episode situation, line adapter must be by battery 203 work.Supply power voltage produces in DC part 234, for example can adopt chopper as DC part 234 here.Slic circuit produces bell signal, and its line voltage distribution is provided by DC part 234.The microcontroller that is contained in the terminal equipment baseband element is controlled the output voltage of chopper 234 according to the working condition of terminal equipment by control circuit, thereby reduces power consumption to greatest extent and improve reliability.Yet, the interior distribution of baseband portion 210 and radio frequency part 240 makes itself and supply power voltage compatibility available from battery or electric supply installation through optimizing, thereby in the case, its supply power voltage need not to produce in the circuit adaptation element respectively, can avoid the adjuster consumed power like this.
According to the present invention, line adapter does not have the control device of oneself, and its every function is controlled by the processor 211 as the control device work of baseband portion 210.All deposit in the memory 212 that is connected with processor 211 with program, parameter and the status data of radio frequency part 240, baseband portion 210 and line adapter 230 threes' the relevant wiring of controlled function.
The sound signal of input and output is directly coupled on the audio-frequency unit (Audio) that is contained in the baseband element from the signal section of slic circuit.In should connecing the wll terminal equipment of digital cellular system, audio-frequency unit can be PCM (pulse code modulated) codec or be used for the transducer of ISDN (integrated services digital network) phone usually independently for example.It should be noted, in terminal equipment of the present invention, line adapter need not detect the signalling tone that offers phone from the dialing tone of phone or generation, because this work preferably can carry out in baseband element, for example uses the PCM codec or carries out in digital signal processor (DSP).If the connection network that uses for WLL is optimized, then can detect dialing tone, signalling tone then only produces at local switching center place.Therefore, do not need the independently DTMF detector relevant here, and can in baseband element, adorn a signal processor, for the usefulness of detection with the prior art scheme.
The front was said, as line adapter, can adopt the slic circuit of for example making for office's switchboard, and this slic circuit is preferably controlled by the unique microcontroller of terminal equipment by its control bus in the solution of the present invention.The type of bus can be the parallel bus that disrupted circuit for example is housed, and also can be the universal serial bus that resembles I2C and so on.
On can also basis aspect the integrated level, further improve in above-mentioned integrated level, for example, by chopper and slic circuit being integrated into the high voltage that needs the circuit of under low pressure working in the inside generation.In addition, each baseband element also can be integrated in the circuit.On the other hand, in view of line adapter must be handled for example 70 volts high voltage, thereby preferably should separate with low-voltage and other baseband element as the discrete circuit of oneself.
For other parts that the front was said, the function of terminal equipment shown in Figure 2 and working method and shown in Figure 1 quite.
Above-mentioned design of the present invention has the unexistent many advantages of prior art scheme.Can reduce the number of element in the terminal equipment, thereby reduce the production cost of terminal equipment.When improving the reliability of terminal equipment work greatly during only with a microcontroller in the terminal equipment.On the one hand, because the fault that reduces to have reduced circuit of complicated circuit number on the other hand, has been avoided again because of the microcontroller faults that produce fully.
Some embodiments of the present invention have been introduced above.Self-evident, under the prerequisite that does not break away from the claim scope, can do some modifications to the present invention, for example, revise details and the range of application thereof of embodiment.

Claims (7)

1. a kind of terminal equipment (100,200) of data-transmission system radio local ring comprises:
An interface is in order to couple together subscriber equipment (101,201) and terminal equipment;
R-T unit (104,113,204,240) is in order to the radiofrequency signal of the transfer system that transmits and receive data;
Chromacoder (113,240) is in order to carry out the conversion between described radiofrequency signal and the sound signal;
Signal processing apparatus (114,214) is in order to handle sound signal;
Adaptive device (134,232) cooperates with the signal processing apparatus adaptation each other of sound signal between the two in order to make subscriber equipment;
Dialing signal receiving system (131,133,134,230) is in order to receive the dialing signal from subscriber equipment;
Data sending device (104,111,113,204,211,214,240) sends to data communication system in order to will receive the data that comprise in the dialing signal of user's equipment;
Status data receiving system (104,111,113,204,211,214,240) is in order to receive the wiring status data from data communication system;
Signaling-information feeding means (131,136,137,138,211,213,214,230) is in order to present signaling-information to subscriber equipment from the wiring status data of data communication system according to receiving;
First control device (111,211) is in order to control described signal processing apparatus (114,214), describedly will receive the device (104,111,113 that the data that comprise send to data communication system in the dialing signal of user's equipment, 204,211,214,240), and/or described in order to receive device (104,111 from the wiring status data of data communication system, 113,204,211,214,240); With
Second control device (131,211) is in order to control described adaptive device (134,230), described signaling-information is presented device (131,136,137 to subscriber equipment, 138,211,213,214,230) and/or described in order to receive device (131 from the dialing signal of subscriber equipment, 133,134,230);
It is characterized in that described first control device and second control device are substantially the same control device (211).
2. terminal equipment as claimed in claim 1 is characterized in that, described control device (211) is a processor.
3. as the described terminal equipment of above arbitrary claim, it is characterized in that described signal processing apparatus (214) plays the dialing tone generating means.
4. as the described terminal equipment of above arbitrary claim, it is characterized in that described signal processing apparatus (214) has a dtmf dialing sound detection device.
5. as the described terminal equipment of above arbitrary claim, it is characterized in that, also comprise sound transceiver (201,232,213,214,240,204), in order to send the dtmf dialing sound and to receive the signalling tone of switching center in the audio frequency channel.
6. as the described terminal equipment of above arbitrary claim, it is characterized in that, also comprise a supply power voltage generating apparatus, for producing circuit adaption section (130), baseband portion (110) and radio frequency part (113) three's public supply power voltage.
7. the described terminal equipment of arbitrary claim more than in gsm system, adopting.
CN97104565A 1996-03-22 1997-03-22 Terminal equipment Pending CN1165467A (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FI961330A FI105518B (en) 1996-03-22 1996-03-22 Method of establishing outgoing connections, terminal device and information transfer system
FI961330 1996-03-22
FI962198 1996-05-24
FI962198A FI962198A (en) 1996-03-22 1996-05-24 terminal device

Publications (1)

Publication Number Publication Date
CN1165467A true CN1165467A (en) 1997-11-19

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ID=26160138

Family Applications (1)

Application Number Title Priority Date Filing Date
CN97104565A Pending CN1165467A (en) 1996-03-22 1997-03-22 Terminal equipment

Country Status (4)

Country Link
CN (1) CN1165467A (en)
DE (1) DE19710224A1 (en)
FI (1) FI962198A (en)
GB (1) GB2311696B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100384096C (en) * 2002-05-14 2008-04-23 因芬尼昂技术股份公司 Transmitting and receiving arrangement with a channel oriented link
CN107359950A (en) * 2017-06-23 2017-11-17 四川海猫通信科技股份有限公司 The audio adaptation apparatus and its adaptation method of a kind of radio station
CN107425931A (en) * 2017-07-19 2017-12-01 甜旅（上海）财务咨询有限公司 The audio adaptation apparatus and its adaptation method of a kind of radio station

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2329095A (en) * 1997-09-05 1999-03-10 Ericsson Omc Limited Telecommunications device
US6222917B1 (en) 1998-05-13 2001-04-24 Nortel Dasa Network Systems Gmbh & Co. Method and apparatus for providing a directory number to a call-processing device in a communications network
GB2343587B (en) 1998-11-05 2001-06-06 Ericsson Telefon Ab L M Sending dialled number
JP4350209B2 (en) * 1999-06-18 2009-10-21 パナソニック株式会社 Telephone terminal device

Family Cites Families (5)

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Publication number Priority date Publication date Assignee Title
US4890315A (en) * 1987-03-20 1989-12-26 Orion Industries, Inc. Cellular remote station with multiple coupled units
JPH04239855A (en) * 1991-01-24 1992-08-27 Matsushita Electric Ind Co Ltd Dialer
GB2253119B (en) * 1991-02-20 1994-12-14 Mercury Personal Communication Telecommunications apparatus
WO1994022260A1 (en) * 1993-03-16 1994-09-29 Motorola Inc. Circuit for parsing together sets of sequences of digits to form telephonic identification codes and method therefor
MY114291A (en) * 1995-01-31 2002-09-30 Qualcomm Inc Concentrated subscriber system for wireless local loop

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100384096C (en) * 2002-05-14 2008-04-23 因芬尼昂技术股份公司 Transmitting and receiving arrangement with a channel oriented link
CN107359950A (en) * 2017-06-23 2017-11-17 四川海猫通信科技股份有限公司 The audio adaptation apparatus and its adaptation method of a kind of radio station
CN107425931A (en) * 2017-07-19 2017-12-01 甜旅（上海）财务咨询有限公司 The audio adaptation apparatus and its adaptation method of a kind of radio station

Also Published As

Publication number Publication date
GB2311696B (en) 2000-11-29
FI962198A (en) 1997-09-23
DE19710224A1 (en) 1997-10-30
GB9705313D0 (en) 1997-04-30
FI962198A0 (en) 1996-05-24
GB2311696A (en) 1997-10-01

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PB01 Publication
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SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication