JP2608894B2 - Wireless telephone equipment - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radio telephone device used for a cordless telephone, a car telephone, and the like.

2. Description of the Related Art Generally, a radio connection device (CE) for performing radio communication with a radio telephone (RTEL) such as a cordless telephone or a mobile telephone as a mobile station is arranged in each radio zone, and these radio connection devices (CE) and Radio circuit controller (RC
U), and this radio circuit controller (RCU) is connected to an exchange connection device such as a private branch exchange (PBX) or a central office exchange to enable communication between radio telephones (RTEL) and radio telephones (RTEL).
2. Description of the Related Art There is known a wireless telephone device for making a call or the like via a local line.

In this radio telephone apparatus, since the radio telephone (RTEL) is a mobile station, the radio zone or the like where each radio telephone (RTEL) is located must be set in advance before forming a communication path with the radio telephone (RTEL). Must be registered with the control unit (RCU).

Conventionally, this type of radiotelephone device is a radiotelephone (RTEL)
In order to register which wireless zone is located,
The wireless connection device (CE), which is a fixed station, constantly reports the position signal indicating each wireless zone by a wireless signal, and each wireless telephone (RTEL) constantly monitors the wireless zone in which it is currently located based on the position signal. Automatically sends a location registration request signal and an identification number to the wireless connection device each time a call is made and when moving between wireless zones.
U) is configured to register the wireless zone in which each wireless telephone (RTEL) is located.

Problems to be Solved by the Invention However, in the above-mentioned conventional radio telephone device, the radio connection device (CE), which is a fixed station, always broadcasts a position signal indicating a radio zone by a radio signal, and each radio telephone (RTE).
L) is configured to constantly monitor the wireless zone in which it is currently located by this position signal. In addition, since each wireless telephone registers its position in the wireless circuit controller each time a call is made, the circuit configuration of the wireless connection device (CE) and the wireless telephone (RTEL) becomes complicated, and the size of the wireless circuit controller increases. There is a problem that processing becomes complicated and expensive, and power consumption of a radio telephone (RTEL) becomes a problem.

SUMMARY OF THE INVENTION In view of the above problems, the present invention can register a position of a wireless telephone with a simple circuit configuration and reduce power consumption of the wireless telephone. It is an object of the present invention to provide a simplified wireless telephone device.

Means for Solving the Problems The present invention relates to a radio line control device, a radio telephone which is arranged in a plurality of radio zones and needs to register its existing position, and a radio telephone which performs radio communication with the radio telephone. Used in a wireless telephone device comprising a wireless connection device and a wireless line control device having means for controlling the wireless connection device and forming a communication path with the wireless telephone. A dedicated position registration switch for sending the located wireless zone number to the wireless network controller via the wireless connection device is provided, and a function of storing an existing wireless zone number is provided. The wireless telephone registers the wireless zone number where it is currently located, and when it receives a plurality of wireless zone numbers via each of the wireless connection devices, registers the wireless zone numbers in descending order of the reception level. When calling the wireless telephone, when the wireless connection device in the wireless zone of the maximum reception level is busy, the call is sequentially performed via the wireless connection device in the wireless zone of the lower reception level. is there.

The present invention can realize a wireless telephone device having a simple circuit configuration for registering the position of the wireless device in the wireless circuit controller by operating a switch of a position registration request from the wireless telephone. Power consumption can be reduced, and location registration is not performed each time a call is made, thereby simplifying the processing of the wireless channel control device.

Embodiments Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a schematic configuration diagram showing one embodiment of a wireless telephone device according to the present invention, FIG. 2 is a detailed block diagram of each device of the wireless telephone device of FIG. 1, and FIG. FIG. 4 is an explanatory diagram of each file of the wireless line control device of FIG. 2, FIG. 4 is an explanatory diagram of each file of the wireless connection device of FIG. 1 and FIG.
FIG. 6 is an explanatory diagram of each file of the wireless telephone shown in FIGS. 1 and 2, and FIG. 6 is a control sequence diagram for explaining the operation of the wireless telephone device shown in FIGS.

In FIG. 1, 11, the radio network controller a fixed station connected to the existing exchange 10 controls the entire wireless telephone device _{(RCU), 12 1, 12} 2 ~12n respectively, a fixed station communication Te radius a wireless connection device of small power and fixed about 30 to 100 m (CE), these wireless connection device 12 _1, 12 ₂ ~
12n is plural. And these wireless connection device 12 _1, 12 ₂ ～12N is one of each radio zone Z _1, Z ₂ to Z
n, and a radio telephone (RTE) located in the radio zone
L) Perform wireless communication with 13.

The wireless zones Z ₁ , Z _{2 to} Zn are wireless service areas controlled by the wireless channel control device 11, and are wireless when a caller carrying each wireless telephone 13 (in the case of a cordless telephone) is located within this service area. line controller 11 and via a wireless connection device 12 _1, 12 ₂ ~12n, and is configured to be able to make a call via the call or office line with another wireless telephone 13.

The radio line control device 11 is connected to the existing exchange 10 via the same number of telephone lines as the number of the radio telephones 13, and the radio connection devices 12 ₁ , 12 _{2 to} 12n in each radio zone Z ₁ , Z _{2 to} Zn.
Is based on the busy hour traffic and call loss
Are arranged in a fraction of the number.

Next, with reference to FIG. 2, a detailed configuration of the wireless line control device 11, each wireless connection device 12, and each wireless telephone 13 will be described.

In the radio channel controller 11, a control unit 110 controls the entire radio channel controller 11.
Is generally constituted by a microcomputer (CPU), a ROM (read-on memory) storing an execution program of the CPU, and a RAM (random access memory) having a work area of the CPU.

111 _{1 to} 111 _N are central office interfaces to which telephone lines are connected, 112 is a tone trunk 113 _{1 to} 113 m for generating various tone signals, and 112 is a wireless connection device 12 for each.
Wireless line interface connected to _{1 to} 12n, 114
Is the trunk line interface 111 _{1 to} 111 _N and the tone trunk
It is a matrix switch for connecting 112 to the wireless line interfaces 113 ₁ to 113 m.

Reference numeral 115a denotes an identification number of the radio network controller 11, that is, an identification number (SYS-ID) of the system, a system capacity indicating the number of subscribers, a radio zone number n, as shown in FIG. Various data such as the number of control stations of the wireless connection device 12, the number of the wireless connection devices, the monitoring timer value, and the like of the station of the wireless connection device are stored. The program of the control unit 120, the wireless line connection file 125a and the station data file 125b
Is a system file in which various data to be stored in the system file are stored.

Reference numeral 115b denotes each wireless telephone 13 as shown in FIG.
Is a subscriber file storing location information such as a call number, an identification number (RTEL-ID), the number of a wireless zone in which the mobile station is currently located, and subscriber class data. Is rewritten when you move.

Reference numeral 115c denotes an office data file storing various data such as the numbers of office lines and wireless lines and the line status indicating the line implementation status, as shown in FIG. 3 (c).

115e, as shown in FIG. 3 (d), the calling number of the subscriber who is currently talking, the line number of the office line, the line number with the wireless connection device, the status of outgoing / incoming calls, the line connection time. Line connection file that stores various data such as 115f
Is the number of each wireless zone, as shown in FIG.
The wireless area configuration file stores various data such as the number of wireless connection devices installed in each wireless zone and the identification number of the wireless connection device.

Reference numeral 116 denotes a control console on which the operator inputs various data in the files 115a to 115f, and displays the monitoring result of the wireless connection device as a control station.

In each wireless connection device 12, reference numeral 120 denotes each wireless connection device 1.
2 is a control unit that controls the entire system. The control unit 120 includes a microcomputer (CPU), a ROM (read-on memory) storing an execution program of the CPU, and a RAM (random access memory) having a work area of the CPU. Memory).

121 is a multi-channel access (MCA) wireless transceiver for performing wireless communication with the wireless telephone 13;
A line interface connected to the radio network controller 11 via a transmission line of a line (2W), a control signal transceiver for transmitting and receiving a control signal to and from the radio network controller 11, and 124 turns on / off the audio signal of the communication line. It is a sound control unit that turns off or amplifies.

125a, as shown in FIG. 4 (a), the current operation state of the wireless connection device 12, the identification number (RTEL-ID) of the connected wireless telephone, the control sequence of outgoing to incoming call processing, This is a wireless line connection file that stores various data such as various control signals with the wireless telephone 13 (wireless side) and various control signals with the no-turn line control device 11 (wired side).

125b, as shown in FIG. 4 (b), the identification number (SYS-ID) of the wireless channel control device 11, the number of the wireless zone in which the wireless connection device is installed, the identification number of the wireless connection device, This is a station data file in which various data such as a cycle for searching for a communication channel is stored.

In each wireless telephone 13, a control unit 130 controls the entire wireless telephone 13. The control unit 130 includes a microcomputer (CPU) and a ROM (read-on memory) storing an execution program of the CPU. And a RAM (random access memory) having a work area for the CPU and the like.

131 is a multi-channel access (MCA) wireless transceiver for performing wireless communication with the wireless connection device 12, 132 is
A handset that amplifies and turns on / off the audio signal of the receiver and microphone of the handset 132a, 133 is a dial key for inputting a dial number, etc., 134 is a hook that turns on / off by off-hook / on-hook of the handset 132a A switch (SW) 135 is a location registration button for registering location information such as a wireless zone where the wireless telephone 13 is located in the subscriber file 115b of the wireless circuit controller 11,
136 is a dial signal system (PB
Signal or DP signal) for selecting a PB / DP switch (SW).

138a, as shown in FIG. 5 (a), the connection state of the wireless telephone, the number of the connected wireless connection device 12, and the system number (SYS
-ID), a wireless line connection file in which various data such as a connection sequence with the wireless connection device 12, a control signal with the wireless connection device 12, and the like are stored.

138b is the wireless telephone as shown in FIG. 5 (b).
As shown in FIG. 5C, the wireless telephone ID file 138c storing the identification number (RTEL-ID) of the thirteen stores the number (position information) of the wireless zone in which the wireless telephone 13 is located. As shown in FIG. 5 (c), the wireless zone number file 138d is a shortened dial file in which abbreviated numbers and dial codes are stored in correspondence, and 138e is shown in FIG. 5 (e). This is a redial file in which a dial code corresponding to a dial number previously input through the dial key 133 is stored.

In the case of a cordless telephone, the members 130 to 138e are housed in a portable housing, and in the case of an automobile telephone, they are housed in a housing that can be installed on a center console or the like of an automobile.

 Next, the operation of the embodiment according to the above configuration will be described.

(1) Location Registration from Radiotelephone 13 First, an operation for registering a radio zone in which the radiotelephone 13 is located will be described with reference to FIG.

When the position registration button 135 of the wireless telephone 13 is pressed,
The control unit 130 turns on the wireless transceiver 131 and wirelessly transmits and receives the control sequence of the wireless line connection file 138a, the position registration request signal according to the control signal, and the identification number of the wireless telephone 13 stored in the wireless telephone ID file 138b. Transmitted through the device 131 [sequence shown (hereinafter referred to as SQ)]
1].

This signal is transmitted by the wireless connection device 12 of the control station in each wireless zone through the wireless transceiver 131 to the wireless telephone 1
Received at different levels according to the wireless zone where the 3 is located, the control unit 120 of each received wireless connection device 12 encodes the reception level of the signal from the wireless telephone 13 by the control signal of the wireless line connection file 125a, According to the control sequence of the wireless line connection file 125a, the transmission path to the wireless line controller 11 is closed (SQ2), and the position registration request signal, the identification number and the code of the reception level are transmitted to the control signal transceiver 12
3. The data is transmitted to the radio network controller 11 via the line interface 122 (SQ3), and the loop is opened (SQ4).

Here, the reception level is, for example, 20 dB or less, 20 to 40 dB,
`` 00 '', `` 01 '', `` 1 ''
It is encoded with 2-bit data of "0" and "11".
If the data is encoded to 3 bits or more, the reception level becomes 8
Needless to say, it can be distinguished in more than stages.

When receiving the position registration request signal and the encoded data indicating the identification number and the reception level via the radio line interface 113, the control unit 110 of the radio line control device 11 decodes the received data and compares the reception level from each radio connection device 12 after decoding. I do.

The control unit 110 selects position information such as the wireless zone of the highest reception level or the identification number of the wireless connection device 12, and stores the selected position information in the position information storage area of the subscriber file 115b.

If the compared reception levels are the same, registration is performed based on a predetermined priority so as to register the smallest number or the largest number, or the number of the wireless zone or wireless connection device 12 input first or last. May be
Register the number of the wireless zone etc. in descending order of the reception level,
When all the wireless connection devices 12 in the wireless zone having the maximum reception level are communicating at the time of the call, the call may be sequentially made via the wireless connection devices 12 in the wireless zone having the lower reception level.

When the position registration is completed as described above, the control unit 110 reverses the line voltage (SQ5) and sends a position registration completion signal to the wireless connection device 12 in the wireless zone that has received the signal of the maximum level (SQ6). In this case, the position registration completion signal is not sent to wireless connection devices other than the wireless connection device 12 that has received the signal of the maximum level. Upon receiving the position registration completion signal, the wireless connection device 12 converts this signal into a wireless signal and transmits the signal to the wireless telephone.
13 (SQ7).

The wireless telephone 13 sends a location registration completion signal to the handset 13.
The receiver or speaker of 2a reproduces the location registration completion sound or notifies the caller by flashing a light emitting diode or the like, and also outputs the response, that is, the identification number of the wireless zone of the wireless connection device 12 that has transmitted the location registration completion signal. Register in the wireless zone number file 138c.

Next, the wireless telephone 13 sends a position registration confirmation signal to the wireless connection device 12 (SQ8), and the wireless connection device 12 sends the position registration confirmation signal to the wireless line control device 11 (SQ9). The control device 11 reverses the loop (SQ1
0).

The position registration request signal (SQ3) from the wireless connection device 12 to the non-turning line control device 11 may be notified by opening and closing a line loop instead of transmitting a special signal. Further, a position registration completion signal (SQ6) from the radio line control device 11 to the radio connection device 12 may be notified by inversion of the line voltage, or a tone signal or this tone signal may be sent directly to the radio telephone 13. You may make it transmit by a code signal.

(2) Incoming Call to Radiotelephone 13 Next, the operation when an incoming call to the radiotelephone 13 via the radio line controller 11 will be described.

For example, when an incoming call arrives at extension 13X1 via the existing exchange 10,
The existing exchange 10 accesses the control unit 110 via the central office interface 111 that has received the radio line controller 11.

The control unit 110 sends the wireless telephone (1
By reading the wireless zone where 3X1) is located and controlling the matrix switch 114, the wireless line interface 113 corresponding to the control station of the wireless connection device 12 in that wireless zone is connected to the incoming line interface 111.

Therefore, a call signal from the existing exchange 10 is transmitted to the radio telephone (13X1) via the control stations of the radio line control device 11 and the radio connection device 12.

When the wireless telephone (13X1) goes off-hook, the data is sent to the control station of the wireless access point device 12 and the wireless line control device 11, and the control unit 120 of the wireless connection device 11 turns on the voice control unit 124 Caller and wireless telephone (13X
Form a communication path with 1).

(3) Outgoing Call from Wireless Telephone 13 Next, the operation when a call is made from the wireless telephone 13 to a curve or another wireless telephone 13 will be described.

Hook switch 134 when wireless telephone 13 is off-hook
Is turned on, the control unit 130 generates off-hook data based on the connection sequence of the wireless line connection file 135 and the control signal, and adds the identification number of the wireless zone in which the wireless zone is located in the wireless zone number file 138c. Via the device 131.

The control unit 120 of the control station of the wireless connection device 12 in each wireless zone compares the identification number of its own wireless zone in the station data file 125b. , A call response signal and a signal designating a communication channel are transmitted to switch to the communication channel, and the wireless connection device becomes a communication station.

When the control unit 130 of the wireless telephone 13 sends a channel switching signal, the wireless connection device 12
And the control unit 130 of the wireless telephone 13
When the wireless connection device 12 sends an interference detection completion signal when there is no interference with the adjacent wireless zone, the wireless connection device 12 sends an outgoing call signal to the wireless channel control device 11. Wireless line controller
When the call signal is received, the switch 11 sets the subscriber line in a closed loop to the existing exchange 10 to notify the call.

Next, the control unit 110 of the wireless line control device sends a call response signal to the above-described wireless connection device 12, and the voice control unit 124
And turn on the audio circuit activation signal.
To send to. The control unit 130 of the wireless telephone 13 turns on the transmission / reception unit 132 in response to the audio circuit activation signal.

Therefore, the dial tone transmitted from the existing exchange 10 to the wireless telephone 13 via the closed loop is reproduced as voice by the receiver of the handset 132a, and the caller can know the closed loop with the existing exchange 10.

Next, the control unit 130 of the wireless telephone 13
When a dial number is inputted from 13, a dial code is converted into a dial code, and a signal indicating the dial signal system set by the PB / DP switch 136 (for example, PB signal is “0”, DP
The signal is transmitted to the wireless connection device 12 with “1” added.

The wireless connection device 12 converts the dial code into a dial signal of the DP signal system or the PB signal system using a signal indicating the dial signal system, and sends the dial signal to the existing exchange 10 via the closed loop. The existing exchange 10 sends a ring-back tone to the wireless connection device 12 via the closed loop, and the wireless connection device 12 converts the ring-back tone into the wireless signal and sends it to the wireless telephone 13. When the call is answered, the call enters the call state.

As described above, in the above embodiment, in order to perform the position registration of the wireless telephone 13 by operating the position registration button 135, the wireless telephone is always turned on as in the conventional example, and the wireless zone of the wireless connection device is turned on. Can be performed without monitoring the position information indicating that the power of the wireless telephone 13 can be reduced.

In addition, since the wireless telephone 13, the wireless connection device 12, and the wireless channel control device 11 do not need to constantly perform position information transmission, position monitoring, and the like, the circuit configuration can be simplified and the configuration can be reduced. Can be.

According to the present invention, as is apparent from the above embodiment, the position registration of the wireless telephone is performed by the switch operation of the position registration request from the wireless telephone, so that the operation of registering the position every time a call is made is unnecessary. In order to reduce the power consumption of the wireless telephone, register a plurality of wireless zone numbers in descending order of the reception level, and when the wireless connection device of the wireless zone having the maximum reception level is communicating at the time of calling the wireless telephone. In addition, by successively calling via the wireless connection device in the lower reception level wireless zone, there is an effect that the process of registering the position of the wireless telephone of the wireless line controller can be performed smoothly.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram showing one embodiment of a wireless telephone device according to the present invention, FIG. 2 is a detailed block diagram of each device of the wireless telephone device of FIG. 1, and FIG. FIG. 4 is an explanatory diagram of each file of the radio network controller of FIG. 2, and FIG.
FIG. 5 is an explanatory view of each file of the wireless connection device of FIG. 2, FIG. 5 is an explanatory view of each file of the wireless telephone of FIG. 1 and FIG. 2, and FIG. 6 is FIG. 1 and FIG. FIG. 6 is a control sequence diagram for explaining the operation of the wireless telephone device of FIG. 11… Wireless line controller, 12… Wireless connection device, 13…
Wireless telephones, 110, 120, 130 ... Control unit, 114 ... Matrix switch, 115a ... System file, 115b ... Subscriber file, 115e ... Line connection file, 121,131 ...
… Wireless transceiver, 125a, 138a… Wireless line connection file, 125b… Station data file, 135… Location registration button, 138b… Wireless telephone ID file, 138c… Wireless zone number file.

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Toshihiko Shibata 4-3-1 Tsunashima Higashi, Kohoku-ku, Yokohama-shi, Kanagawa Prefecture Inside Matsushita Communication Industrial Co., Ltd. (72) Fumio Suzuki 4 Tsunashima-Higashi, Kohoku-ku, Yokohama, Kanagawa Prefecture 3-1, No. 1 Matsushita Communication Industrial Co., Ltd. (72) Inventor Takeshi Hattori 1-2356, Take, Yokosuka City, Kanagawa Prefecture, Japan Communication Network Second Research Laboratory (72) Inventor, Masahiko Hirono Yokosuka, Kanagawa Prefecture 1-2356 Ichitake, Telecommunications Network Laboratory 2, Japan Telegraph and Telephone Corporation (72) Inventor Norio Ishikawa 3-1-1 Asahigaoka, Hino-shi, Tokyo In-house Toshiba Hino Plant (56) References 62-64192 (JP, A) JP-A-63-203025 (JP, A) Supervised by Moruji Kuwahara, "Automobile Telephone", 2nd edition, PP, 180-190, August 1985 1 day, the company group The Institute of Electronics and Communication Engineers

Claims (1)

(57) [Claims] 1. A wireless telephone moving between a plurality of wireless zones, a plurality of wireless connection devices performing wireless communication with the wireless telephone, and means for controlling the wireless connection device to form a communication path with the wireless telephone. The wireless telephone is provided with a dedicated position registration switch for transmitting a position registration signal to the wireless connection device, and the dedicated position registration switch is pressed. Then, the location registration signal and the identification number of the wireless telephone are sent to the wireless connection device, the wireless connection device is provided at least for each of the wireless zones, and when the location registration signal is received from the wireless telephone, Transmitting the reception level, the location registration signal, and the identification number to the radio network controller, wherein the radio network controller receives the reception signal from the radio connection device; When the level, the location registration signal and the identification number are received, they are registered in the descending order of the reception level, and when calling the wireless telephone, call through the wireless connection device having the maximum reception level. A wireless telephone device for sequentially calling via the wireless connection device at a lower reception level during communication.