JP3148107B2 - Channel state transition display switching system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radio communication channel selecting apparatus which indicates a use state of a communication channel of a base station and can select the communication channel.

[0002]

2. Description of the Related Art FIG. 5 is a block diagram of a portable telephone system related to a conventional radio channel acquisition system. In the figure, an exchange 111 and wireless base stations 121 and 131 are connected via communication lines 161 and 162, respectively. The wireless base stations 121 and 131 are miniaturized and are attached to a wall surface of a building or a public telephone box. In this example, each of the wireless base stations 121 and 131 has four channels for transmitting and receiving a call signal. The wireless base stations 121 and 131 are respectively provided with four use state display lamps 122 to 125 and 132 to 135 corresponding to each channel on a one-to-one basis. Usage status indicator lamps 122 to 125, 132 to 13
5 is illuminated in green when the corresponding channel is idle, and is illuminated in red when the corresponding channel is closed. In this example, the use status indicator lamps 122 to 122 are controlled by the program control. 125, 132-
There is a mechanism capable of lighting the 135 in one of green and red. These usage status indicator lamps 1
22 to 125, 132 to 135 are radio base stations 121,
It is installed at a position that can be seen by a subscriber who is in the area covered by 131. In the example of FIG. 5, four mobile phones 141 to 144 are connected to the wireless base station 121 using channels 171 to 174, and two mobile phones 141 to 144 are connected.
5 and 146 are connected to the radio base station 131 using channels 175 and 176. The channels 171 to 174 correspond to the use state display lamps 122 to 125, respectively.
Reference numeral 6 corresponds to the use state display lamps 132 and 133, respectively. Therefore, the use state display lamps 122 to 1
25, 132, and 133 are lit in red, and the usage state display lamps 134 and 135 are lit in green.

FIG. 6 is a hardware configuration diagram of a radio base station 21 in this example. In the figure, 101 is a CPU
(Central processing unit), 102 is MM (main memory), 103
Is a wireless control circuit, 104 is a SW (exchange switch), 10
5 is a communication line control circuit, 106 is a bus, 107 is a lamp control circuit, and 108 is an antenna. Wireless control circuit 10
3 transmits / receives a call signal to / from a mobile phone via the antenna 108 using channels 171 to 174. Note that the radio base station 121 actually operates the channels 171-1.
74, a channel (control channel) for transmitting and receiving control signals is provided.
Transmits and receives a control signal to and from the mobile phone via the antenna 108 using the control channel. The communication line control circuit 105 transmits and receives a call signal and a control signal to and from the exchange 111 using a communication line. Further, the lamp control circuit 107 includes usage state display lamps 122 to 125.
Lights up in either red or green. SW 104 is
The communication signal received by the wireless control circuit 103 and the communication signal received by the communication line control circuit 105 are exchanged. MM2
The CPU 101 stores programs and data for controlling the wireless control circuit 103, the SW 104, the communication line control circuit 105, and the lamp control circuit 107.
Controls the wireless control circuit 103, the SW 104, the communication line control circuit 105, and the lamp control circuit 107 by executing a program stored in the MM 102.
Further, the MM 102 stores an idle / busy management table for storing idle / occupied states of the channels 171 to 174 of the own wireless base station. The same applies to the hardware configuration of the wireless base station 131.

Next, an outline of the operation of the radio base station 121 in this example will be described with reference to FIG. FIG. 7 (a)
As shown in (1), first, when a call request is generated in the mobile phone (S1), the mobile phone uses the control channel to
A link channel establishment request signal is transmitted to the radio base station 21. In the radio base station 21, when the radio control circuit 103 receives the link channel establishment request signal from the mobile phone, the CPU 101 captures the channel,
With reference to the empty / busy management table stored in M102,
The idle channel is updated to the closed state (S2). And if it can be captured, the wireless control circuit 103
And transmits a link channel assignment signal to the mobile phone using the control channel. At this time, the CPU 101
Controls the lamp control circuit 107 to turn on the use status display lamp corresponding to the captured channel in red (S
3). Thereafter, a call state is established according to a normal call connection sequence. Further, as shown in FIG. 7 (b), when the call ends and a disconnection request is generated in the mobile phone (S
4) The mobile phone transmits a link channel release request signal to the wireless base station 121 using the control channel. In the radio base station 121, when the radio control circuit 103 receives the link channel release request signal from the mobile phone, the CPU 101 releases the channel used, that is, refers to the vacancy management table stored in the MM 102. And updates the used channel to an empty state (S
5). Then, it controls the wireless control circuit 103 and transmits a link channel release signal to the mobile phone using the control channel. At this time, the CPU 101
In step S6, the usage status indicator lamp corresponding to the released channel is lit green. The operation outline of the wireless base station 131 is the same.

Next, an outline of the operation as viewed from a subscriber having a mobile phone will be described with reference to FIG. In the connection state shown in FIG. 6, that is, four mobile phones 141 to 144 are connected to the wireless base station 121 using channels 171 to 174, and two mobile phones 145 and 146 are connected to the channels 175 and 176. When the subscriber carrying the mobile phone 150 makes a call within the area covered by the radio base station 121 while being connected to the radio base station 131 using the channel 171 to 174, Are all blocked, so they will be busy. At this time, the subscriber who possesses the mobile phone 150 can see from the usage status display lamps 122 to 125 that two of the usage status display lamps 134 and 135 are lit in green. You can see at a glance that you can make a call by moving into the area covered.
As described above, according to this example, the usage status indicator lamp corresponding to the closed channel is lit in red, and the usage status indicator lamp corresponding to the vacant channel is lit in green. Therefore, the subscriber carrying the mobile phone can visually identify the degree of congestion of the radio base station. Therefore, especially when urgently wanting to make a call, if there is a nearby wireless base station having a vacant channel, it is only necessary to move in the direction of the wireless base station. It was going to disappear.

[0006]

In the conventional radio base station, when simultaneously displaying the channels of a plurality of radio base stations, the channel information of radio base stations other than the radio base station is replaced by the radio base station or the switching equipment. There is a technical problem in that another communication channel obtained from the Internet is required, and communication control for the communication channel is always required.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems. Each time a change in the channel busy state of an arbitrary radio base station occurs in the switching equipment, channel busy information is displayed on a base station status display panel. It is an object of the present invention to simultaneously perform panel display of a plurality of wireless base stations without adding complicated communication control by notifying. At this time, the channel occupancy state is immediately displayed by the switching equipment to facilitate the channel selection.

[0008]

A channel state transition display switching system according to the present invention comprises a plurality of portable units, a radio base station having a plurality of channels for communicating with the portable units, and a plurality of these radio base stations. A switching unit including a channel state transition detection unit for detecting a state transition of each channel, a channel state transition storage unit for storing a channel state transition detection result, and an external base station state for displaying the channel state transition storage result from the exchange It consists of a display panel. Furthermore, a channel acquisition key is added to the portable device communicating with the radio base station, and a channel selection unit for acquiring a channel in accordance with an acquisition signal format from the channel acquisition key is added to the radio base station.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1 FIG. Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. In the figure, 1 is a portable device, 2 is a base station connected to the portable device via an antenna, and 3 is an exchange. 4 is a base station line circuit that connects the base station with an electric wire and controls the base station. 5b is a control unit that can output information on the state of the base station and the state of the communication channel each time the communication channel setting control of the base station is performed. Reference numeral 5c denotes a radio base station channel state transition detection unit that constantly monitors the communication control of the radio base station by the control unit 5b and detects occurrence of a radio base station channel state transition. 5
The wireless base station channel state transition storage unit d stores the information received from the channel state transition detection unit 5c and notifies the base station state display trunk 11 of the information. 6a and 6b are buffers for temporarily storing control information processed by the base station line circuit 4, 6a and 6b are buffers 6c and 6d for control information from the base station, and the control unit 5b and the base station status display trunk 11 This is a buffer for temporarily storing control information transmitted and received between and Reference numeral 7 denotes a device management unit that stores communication states of the portable device 1, the base station 2, and the base station line circuit 4, and centrally manages information of each device. A communication path unit 10 connects the base station line circuit 4 and sets a communication path in the exchange 3 under the control of the control unit 5b. Reference numeral 8 denotes a base station status display panel provided outside, reference numeral 9 denotes a display unit thereof, and reference numeral 18 denotes a display data storage unit. 11 is a base station status display trunk.

In the channel state transition display switching system according to the present invention, every time the control unit 5b of the exchange 3 changes the communication state of the base station, information on the state is output to the buffer 6d. The base station status display trunk 11 has a buffer 6
d, and the information is output to the base station status display panel 8 installed at a place where the external communicator can easily see. Information on the communication status of the base station is stored in the display data storage unit 18 of the base station status display panel 8, and is displayed on the display unit 9 according to the content. The base station status display is automatically updated each time the communication status of the base station changes due to the above configuration. The user of the portable device 1 has a base station status display panel 8
Can be visually checked, and a wireless communication channel that is considered to be empty and of appropriate communication quality can be selected and transmitted by operating the portable device 1.

FIG. 2 shows an outline of the operation of the channel state transition display switching system according to the first embodiment. When a call is started in the portable device 1, after performing the connection procedure between the portable device 1 and the base station 2 and between the base station 2 and the exchange 3, a channel is captured by the base station 2, and the channel of the base station is in use. The base station 2 notifies the exchange 3 of the base station status notification. The exchange 3 that has received it immediately transmits a base station status display instruction (in use) from the base station status display trunk 11, and the base station status display panel 8 that has received it transmits the base station status display (in use). . During communication, the status of “in use” is held, and when the portable device 1 is disconnected, the display of “in use” is performed in the same procedure.

Embodiment 2 FIG. A mode in which the system of the first embodiment is provided with additional elements and further provides convenience to a user (a person who updates) will be described. In FIG. 1, reference numeral 21 denotes a channel capture key provided in the portable device 1. FIG. 3 is a diagram showing an example of the format of a channel selection code issued from the portable device 1 to the wireless base station 2 by pressing the channel capture key. Corresponding to this, reference numeral 22 denotes a channel capturing means in the radio base station 2, which may not be provided in common with a normal channel capturing means unless particularly required.

Next, the operation of the system having the above configuration will be described. It is assumed that the user of the portable device 1 is trying to communicate using a normal automatic channel acquisition method. In that case, when the use status of the channel of the communicating radio base station becomes congested and busy and the channel cannot be captured, look at the external base station status display panel and check the channel status of the other radio base station. It knows that the transition is empty, that is, the channel is available. In the above case, the user of the portable device 1 presses the channel capture key shown in FIG. 3, and subsequently dials the base station ID, the selected channel number, and the portable device ID. Upon receiving this, the base station secures a predetermined channel with the channel capturing means 22. As an operation, a channel capture key may be provided only for a special portable device, or a special ID may be given to capture a channel only for this ID. Further, the carrier number may be dial selectable.

Embodiment 3 In the following embodiments, various variations other than the above embodiment will be described.
In the above embodiment, only one base station status display panel 8 is provided. However, a plurality of base station status display panels 8 may be connected to the exchange 3 and distributed. In FIG. 4, a plurality of base station status display panels 8 are arranged and connected to a base station status display trunk 11. According to this configuration, the user of the portable device 1 can visually check the base station status display boards 8 that are plurally distributed even at the destination. Then, an appropriate communication channel between the base station and the base station can be selected and transmitted by operating the portable device 1 at the destination. The external base station status display panel may be provided in any of the wireless base stations.

Further, a selection circuit may be provided in the base station status display trunk 11 of FIG. 1 so that some of the channel state transition storage results are not externally displayed by an external instruction or internal setting. This means that, for example, a channel is reserved for maintenance and emergency contact, and even if the channel corresponding to the reserved channel transitions to an empty state, the transition state is not displayed. In addition, this selection circuit is not located in the base station status indication trunk 11, as shown at 18 in FIG.
A display data storage unit may be provided in the external base station status display panel 8. When the channel for which the display of the channel state transition is stopped is designated from the exchange 3 or the like, the channel is stored in the display data storage unit 18, and the status of the buffer 6d is transmitted to the external base station status display panel via the base station status display trunk 11. Even after the comparison, the state transition is not displayed for the corresponding channel.

[0016]

As described above, according to the present invention, a switching unit is provided with a control unit and a base station status display trunk capable of outputting related information every time the communication status of a base station changes, and an external base station status display panel is provided. Is connected, the transition state of the required channel of the required base station can be visually displayed to the user of the portable device.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a channel state transition display switching system according to Embodiment 1 of the present invention.

FIG. 2 is a diagram illustrating an outline of operation of the channel state display system according to the first embodiment.

FIG. 3 is a diagram illustrating a capture key press and a capture code generated following the capture key press in the system of FIG. 1;

FIG. 4 is a configuration diagram of a channel state transition display switching system according to Embodiment 3 of the present invention.

FIG. 5 is a configuration diagram of a conventional channel use state display system.

FIG. 6 is a diagram of a base station of a conventional channel use state display system.

FIG. 7 is a diagram showing an outline of operation of a conventional channel use state display system.

[Explanation of symbols]

1 portable unit, 2 base station, 3 exchange, 4 base station line circuit, 5b control unit, 5c wireless base station channel state transition detection unit, 5d wireless base station channel state transition storage unit, 6a, 6b, 6c, 6d buffer, 7 device management unit, 8 base station status display panel, 9 display unit, 10 communication path unit, 11 base station status display trunk, 18 display data storage unit, 21 channel capture key, 22 channel capture means.

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) H04B ^7/ 24-7/26 102 H04Q ^7/ 00-7/38

Claims (3)

(57) [Claims] A plurality of portable devices; a radio base station having a plurality of channels for communicating with the portable devices; a channel state transition detection unit for detecting a state transition of each channel of the plurality of radio base stations; A channel state transition display switching system comprising: an exchange provided with a channel state transition storage unit for storing a channel state transition detection result; and an external base station state display panel for displaying the channel state transition storage result from the exchange. 2. A portable device for communicating with a radio base station is provided with a channel acquisition key, and the radio base station is equipped with a channel selection unit for acquiring a channel in accordance with an acquisition signal format from the channel acquisition key. The switching system according to claim 1, characterized in that: 3. The exchange is provided with a base station channel status display trunk, a plurality of external base station status display panels are provided, and said base station channel status display trunk is provided with said plurality of external base station channel status display trunks.
Channel state transition by selecting a predetermined number of base station status display panels
2. The channel state transition display exchange system according to claim 1, wherein the storage result is displayed and output .