JPS63203025A - Registration system for position of mobile radio equipment - Google Patents

Abstract

PURPOSE:To attain automatic position registration in case of the movement to other radio zone by making one control channel for plural systems usable in common so as to enable the automatic position registration and manual position registration. CONSTITUTION:A radio connection equipment 14 sends an identification code periodically to a radio telephone set 17 for the position registration and a control channel sends a radio wave as required only. Thus, a plurality of different systems controlled independently can use one control channel in common. Even when the telephone set 17 moves to a different radio zone, the position registration is applied automatically by the 2nd position registration system. In sending the information for the automatic position registration from the equipment 14, the possibility of the occupied control channel is increased. Thus, the transmission of information for the automatic position registration is not performed so much frequently, but when the automatic position registration is not applied in case of the movement to a different radio zone, the position registration is applied manually by a 1st position registration system.

Description

[Detailed Description of the Invention] "Industrial Application Field" This invention provides a method for moving wireless telephones between multiple wireless zones.
storing the identification code of the wireless connection device in the wireless zone where the wireless telephone is located, the identification code of the wireless telephone in the wireless connection device, and storing these in the wireless control device of the wireless connection device, respectively; The present invention relates to a location registration method for performing the above-mentioned location registration in a wireless communication method in which a wireless telephone and a wireless connection device detect a part of their stored identification codes and establish a wireless line between them.

``Prior Art'' Among the conventional mobile radio communication systems, there is a car telephone as a system that realizes a location registration function.

A car phone has a dedicated control channel, and a wireless base station can constantly send out control channel signals for location registration and the like. However, it is impossible for different systems within the same area to use the same control channel, and it is necessary to use different control channels for each system. In other words, this means that if there are multiple mobile communication systems within an area that may cause interference, a number of control channels equal to the number of systems will be required. Additionally, since the location registration area of a car phone is made up of multiple wireless zones, a multi-station simultaneous transmission technology is required to simultaneously transmit control channel radio waves in adjacent wireless zones, making the configuration complex. .

The object of the present invention is to enable one control channel to be shared by multiple systems, and to enable automatic location registration and manual location registration, as a method different from the location registration method for car phones described in the prior art section. The purpose of the present invention is to provide a location registration method that enables the following.

[Means for Solving the Problems] According to the present invention, a radio line control device that controls radio lines in a wireless connection area consisting of one or more wireless zones;
The wireless line control device is composed of a wireless connection device connected by a wired line, and a wireless telephone that moves in the wireless connection area and is connected to the wireless connection device by a wireless line, and the wireless telephone and the wireless There is a common control channel for call connection between the line control device and the above-mentioned wireless telephone, and each of the above-mentioned wireless connection devices has a multi-channel access function that sometimes monitors its control channel when in standby mode. In a mobile radio communication system having a function of transmitting and receiving control signals to and from the wireless connection device through the wired line, the wireless line control device requests location registration for an unspecified wireless connection device belonging to the same wireless connection device. A signal is manually transmitted from the wireless telephone, and the wireless connection device that receives the location registration request signal transmits the reception level of the signal from the wireless telephone requesting location registration and the identification code of the wireless telephone to the wireless telephone. By notifying the line control device, the wireless line control device receives a request for location registration from the wireless telephone, selects the wireless connection device to be registered in descending order of reception level, and connects the wireless connection device through the selected wireless connection device. A first location registration method that notifies the wireless telephone that requested the location registration of the identification code of the location registration to notify that the location registration has been completed; It has a function of periodically broadcasting the position information including the identification code of the wireless connection device using the above-mentioned control channel, and the wireless telephone that receives the broadcast information in the standby mode stores the wireless connection device in its own memory. and the broadcasted identification code of the wireless connection device, and when a mismatch is detected, automatically sends a location registration request to the wireless connection device that broadcasted the identification code of the wireless connection device, A second wireless connection device that has received the location registration request notifies the radio line controller of the identification code of the wireless telephone that has made the location registration request, and also sends a response to the wireless telephone that has sent the location registration request. and a location registration method.

In this way, the present invention allows the user of the wireless telephone to register the location at his/her will, and also automatically updates the location registration by receiving the identification code (10) of the wireless connection device transmitted by the wireless connection device. The wireless connection device periodically broadcasts the identification code of the wireless connection device to the wireless telephone for location registration, and the control channel transmits radio waves only when necessary. A plurality of different systems in which two control channels are independently controlled can be used in common, and even if a wireless telephone moves to a different wireless zone, location registration is automatically performed using the second location registration method. It's convenient. On the other hand, since the control channel is also used to transmit incoming call control signals and outgoing call response signals to the wireless telephone, if the wireless connection device transmits information for automatic location registration so frequently, the control channel This information for automatic location registration cannot be sent as frequently because the rate of blockage increases, but it is possible to send information for automatic location registration as often as possible, but it is possible to send information for automatic location registration when moving to a different wireless zone and automatic location registration is not performed. In this case, the first location registration method allows manual location registration, that is, it becomes possible to set up a wireless line without waiting for automatic location registration.

``Embodiment'' 1 An example of the configuration of a mobile communication system to which this invention is applied is shown in FIG. The fixed telephone network 11 is connected to one radio line control device 12 via a connection line 13, and the radio line control device 12
are connected via a plurality of wireless connection devices 14 and wired lines 15, respectively. The service areas of the wireless connection devices 14 each constitute a wireless zone 16, and these wireless zones 16
A wireless connection area is configured. The wireless telephone 17 can move within the wireless connection area, and the wireless connection device 14 and the wireless telephone 17 are connected by a wireless line 18. The network between the wireless line control device 12 and the wireless connection device 14 is a star network with the wireless line control device 12 at the center. Although any transmission line can be used as the wired line 15, for example, if it is configured with the same line as a two-wire general telephone subscriber line, the line laid for a fixed telephone can be used as is. In either case, PB is used for control signal transmission.
This can be realized with a simple configuration by using (push button dial) signals.

On the other hand, a configuration based on multi-channel access control is applied to the wireless line 18 between the wireless connection device 14 and the wireless telephone 17. For example, one control channel is connected to all the wireless connection devices 14 and the wireless telephone 17. The communication channel is shared, and an empty channel is selected from a plurality of channels each time a call is made. Such multichannel access technology has conventionally been used in cordless telephones and the like, but it is also applied to the communication method using the location registration method of the present invention.

The radio line control device 12 is an interface node with a general fixed telephone 1111, and terminates a subscriber line (connection line 13) originating from a subscriber line exchange or PBX (private branch exchange) of the fixed telephone network 11.

Therefore, the radio line controller 12 controls each subscriber line (
Information that establishes the correspondence between the connection line 13) and each wireless telephone 17 is stored in memory, and the correspondence between the wireless telephone 17 and the wireless zone 16 (or wireless connection device 14) in which it exists, that is, the position of the wireless telephone is stored in the memory. Store information in memory. When an incoming call or an outgoing call is detected, exchange processing between the subscriber line (connection port vA13) and the wired line 15 to the wireless connection device 14 is performed with reference to these corresponding memories. Also,
Initialization or updating of the location information of the radio line control device 12 is performed in accordance with a location registration request that arrives at the radio line control device 12 from the radio telephone 17 via the wireless connection device 14.

Next, one of the roles of the wireless connection device 14 is to interface the wired line 15 from the wireless line control device 12 and the wireless line 18 to the wireless telephone 17. 18 and the wired line 15, respectively, and establish control and call links. Furthermore, since the outgoing and incoming calls are connected using the wireless connection device 14 registered through location registration, the wireless connection device 14 recognizes the specific wireless telephone as the incoming call containing the identification code (ID) of the wireless telephone. Calling by emitting a signal, or a calling signal addressed to the own wireless connection device from among the calling signals emitted by an unspecified wireless telephone 17, and the identification code of the wireless connection device included in the calling signal. Detected by reading (ID),
A communication path with any wireless telephone 1!17 is established by the ID exchange method of returning a response.

Finally, in accordance with the call request from the user of the wireless telephone 17,
Sending a call signal to the wireless connection device 14 and opening a call path necessary for a call, responding to an incoming call signal from the wireless connection device 14, and opening a call path necessary for receiving a call. This is a basic function. In the present invention, the location registration method required for such an ID exchange method is performed as follows.

The purpose of location registration is to recognize the location of the wireless telephone 17 when the wireless line control device 12 makes an incoming call connection, and to send an incoming call signal only from the wireless connection device 14 in the wireless zone 16 where the wireless telephone 17 making the call is located. This is to ensure efficient use of control channels. Here, one wireless zone constituted by one wireless connection device is defined as a location registration area.

Furthermore, the configuration of the wireless connection device 14 is realized by a pair of transmitter and receiver in the simplest configuration. In that case, only one wireless telephone can make a call at the same time in the wireless zone where the location has been registered. However, when wireless zones are arranged so as to overlap, wireless connection devices in adjacent wireless zones can be used. for that purpose,
If the wireless connection device in the wireless zone where you have registered your location is in use, you can simply change your location registration to an adjacent zone.
In order to reduce the number of accesses to the control channel and improve serviceability, a method is used here in which registration is performed in multiple zones at once, including adjacent zones, at the time of location registration.

Top strategy! A specific control sequence of the first location registration method of the court attendance method is shown in FIG. When the user presses the location registration button on the radio telephone 17 side, a signal requesting location registration is sent out from the radio telephone. Unlike when making a call, this location registration request signal does not include the identification code of the wireless connection device to which it is connected, but it does contain the identification code C of its own wireless telephone 17, as it did when making a call.

Each wireless connection device 14b, 14d, 14e that has received this location registration request signal at a predetermined level or higher sends a location registration request signal containing the identification code C of the requesting wireless telephone to the radio line control device 12 at its reception level. Send with information. The wireless line control device 12 has a plurality of wireless connection devices 14b.
, 14d, and 14e, determines the wireless zone in which the requesting wireless telephone 17 exists, and uses the wireless connection device in that wireless zone, 14d in this example. The wireless telephone 17 is notified that the location registration has been completed.

At this time, as a method for determining the wireless zone in which the mobile phone is located, it is appropriate to use the strength of the reception level performed by the car telephone, in this case, the level at which the location registration request signal is received by the wireless connection device. Wireless telephone 17 that requested location registration
waits for a location registration completion signal, and at the same time as receiving this location registration completion signal, stores the identification code of the source wireless connection device included in this signal, thereby completing the location registration process.

Furthermore, the radio line control device 12 receives a location registration request signal from the same radio telephone 17 from a plurality of radio connection devices 14b, 14.
d, 14e, one or more wireless connection devices 14b, 14d.

Register 14e. In addition, the location registration completion signal to the wireless telephone 17 includes the identification code B of the plurality of wireless connection devices.
, D, and E. The wireless telephone 17 that has detected the identification codes of the plurality of wireless connection devices in the location registration completion signal stores the plurality of identification codes B, D, and E. The above control operation realizes a location registration process based on the intention of the user of the wireless telephone 17. In the case of FIG. 2, the wireless telephone 17 with the identification code C makes a location registration request, and each wireless connection device 14b, 14d with the identification code B, D, H.

14e receives this location registration request signal and notifies it to the radio line control device 12. The radio line control device 12 includes these three radio connection devices 14b and 14d.

Select the wireless zone of wireless connection device 14d from 14e as the first wireless zone.
wireless connection device 14b.

Each wireless zone 14e is registered as a next candidate and notified to the wireless telephone 17 via the wireless connection device 14d.

1st place! ! Next, FIG. 3 shows an example of a control sequence for performing automatic location registration in which the wireless telephone 17 is in standby mode, and FIG. show.

From the wireless connection device 14 side, position information including the identification code of the wireless connection device to be connected is periodically notified for each wireless zone 16. If notification signals for this automatic location registration are transmitted simultaneously from multiple wireless connection devices 14, there is a risk of mutual interference. The device 12 instructs the wireless connection device 14 to transmit a notification signal. On the wireless telephone 17 side, when the identification code of the wireless connection device that it stores and the identification code of the wireless connection device that is notified, it sends a message to the wireless connection device 14 that sent the notification signal.
Request location registration update. Upon receiving this location registration request, the wireless connection device sends a location registration signal containing the identification code of the requesting wireless telephone to the wireless line control device 12, and at the same time indicates that registration has been completed for the requesting wireless telephone 17. The location registration update process is terminated by sending a signal to notify the location registration. When the requesting wireless telephone 17 receives this completion signal, it updates the wireless connection device identification code memory of the connection destination and ends the process.

In this case, as in the case of manual location registration, the identification codes of a plurality of wireless connection devices may be stored in one location registration. That is, as shown in FIG.
A wireless connection in which a location registration request signal (however, a signal including the identification code of the wireless connection device) from 7 is received at a predetermined level or higher, and the identification code C of the wireless telephone does not match the stored identification code. The device notifies the radio network controller 12 that it has intercepted the location registration request signal. In addition to the wireless connection device that sent the location registration request signal, the wireless network control device 12 registers the wireless connection device that received the notification of interception as the wireless connection device of the registration destination wireless zone. Further, the identification code of the registered wireless connection device is included in the location registration completion signal and transmitted to the wireless telephone.

In the example of FIGS. 3 and 4, the wireless telephone 17 with identification code C
exists in the wireless zone 16x with identification code
When moving to an area where the wireless zones 16b and 16d overlap in a state where . The identification code B that is stored is compared with the previously stored identification code X, and since they do not match, a location registration request signal is transmitted to the wireless connection device 14b. The wireless connection device 14b relays the location registration request signal to the wireless line control device 12. At this time, since the wireless connection device 14d with the identification code adjacent to the wireless connection device 14b received the location registration request signal from the wireless telephone 17 with the identification code C, this wireless connection device 14d wirelessly sends a location registration request signal reception notification. It is sent to the line control device 12. The wireless line control device 12 registers the wireless connection device 14d as the next candidate registration zone, and sends the result to the wireless connection device 14b.
The request source wireless telephone 17 is notified via .

"Effects of the Invention" As explained above, according to the present invention, it is possible to perform location registration processing for each wireless zone independently, and it is possible to perform location registration processing for each wireless zone independently. Since there is no need for simultaneous station transmission and no need to constantly send out radio waves on the control channel, the control channel can be used effectively. For example, by incorporating the location registration method of the present invention into the method currently used in multi-channel cordless telephones, in which calls are made and received using one control channel, a multi-zone type cordless telephone that can access multiple wireless connection devices can be created. A new cordless phone becomes a reality. Moreover, such systems can share control channels in the same area as traditional cordless telephones.

In particular, since this invention uses both a manual location registration method and an automatic location registration method, location registration is automatically performed when moving to another wireless zone, which is extremely convenient. Moreover, since automatic registration control is performed at appropriate intervals, the control channel can be effectively used for incoming call control and call response control, and even if you move to another wireless zone, location registration is not performed automatically. If you ever want to set up a wireless line without having one, you can do it immediately by manually registering your location.

In addition, in a system where one device consists of a pair of transmitter and receiver, such as a wireless connection device of a cordless telephone,
If another wireless telephone uses the wireless connection device in the wireless zone where the location has been registered, the wireless telephone in standby mode will be unable to make or receive calls in the same zone. In order to remedy this situation, it is necessary to identify wireless connection devices in multiple wireless zones (however, the areas of these multiple wireless zones must overlap) at the time of location registration, as in the above-mentioned embodiment. By storing codes at the same time, a large grouping effect can be obtained, and call losses due to busy wireless connection devices can be greatly reduced. Furthermore, even if such a registration process is performed, the control channel traffic required for location registration is the same as when location registration is performed in one wireless zone.

Furthermore, when transmitting line control signals between the wireless line control device and the wireless connection device using PB signals as described above, each device can use parts used in general exchanges and telephones. It becomes possible to make the system more economical.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing an example of the configuration of a mobile radio communication system to which the present invention is applied, FIG. 2 is a diagram showing an example of the control sequence of the second location registration method in the invention system, and FIG. FIG. 4 is a block diagram showing a part of the mobile radio communication system for explaining the sequence control of FIG. 3. FIG.

Claims (1)

[Claims] (1) A wireless line control device that controls the wireless line in a wireless connection area consisting of one or more wireless zones, a wireless connection device connected to the wireless line control device via a wired line, and a wireless connection device that controls the wireless line in a wireless connection area consisting of one or more wireless zones. , the wireless connection device is composed of a wireless telephone connected via a wireless line, and there is a common control channel for call connection between the wireless telephone and the wireless line control device, and each of the wireless A telephone, the wireless connection device having a multi-channel access function that monitors its control channels when on standby, and the wireless line control device having a function of transmitting and receiving control signals to and from the wireless connection device through the wired line. In the communication method, a signal requesting location registration to an unspecified wireless connection device belonging to the same wireless line controller is manually transmitted from the wireless telephone, and the wireless connection device that receives the location registration request signal receives the signal. By notifying the radio line controller of the reception level of the signal from the radio telephone requesting location registration and the identification code of the radio telephone, the radio line controller receives the location registration request from the radio telephone and receives the request. The first step is to select the wireless connection device to be registered in descending order of level, and notify the wireless telephone that requested the location registration of the identification code of the wireless connection device through the selected wireless connection device to notify that the location registration has been completed. 1 location registration method, and each of the wireless connection devices has a function of periodically broadcasting location information including an identification code of its own wireless connection device using the control channel under the control of the wireless network control device, The wireless telephone that receives the broadcast information while in standby checks the identification code of the wireless connection device stored in its own wireless telephone and the broadcasted identification code of the wireless connection device, and when a discrepancy is detected, the wireless connection is connected. Automatically sends a location registration request to the wireless connection device that broadcasts the device identification code, and the wireless connection device that receives the location registration request identifies the wireless telephone that made the location registration request to the radio line controller. 1. A mobile radio location registration method comprising: a second location registration method for notifying a code and sending a response to a wireless telephone that has sent a location registration request.