JPH10210101A - Wired communication path selection method for wireless base station for mobile communication - Google Patents

Abstract

(57) [Summary] [PROBLEMS] Even if a plurality of wired communication paths exist, the rate of rejecting a communication request from a communication mobile device is suppressed low.
The ability to select the optimal wired communication path. SOLUTION: A radio base station 20 connects a telephone exchange network 31 and a LAN 32 as a wire line, and stores a wire communication route to be connected in advance, and a route selection unit for selecting one of the wire communication routes. 22, an address conversion unit 23 that stores a telephone number indicating a connection destination on the telephone exchange network 31 and a destination address to be transmitted via the LAN 32 and converts them mutually,
A data conversion unit 24 for mutually converting between data received via a wireless line and data transferred on a wired communication path, for example, when a communication request is received from the communication mobile unit 11 via a wireless line, Optimal connection to the telephone terminals 41, 42 and the data terminals 51, 52 is possible from any of the LAN 31 and the LAN 32.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication base station for connecting a destination communication terminal via a wired communication line when a communication request is received from a communication mobile device via a wireless communication line. The present invention relates to a wired communication path selection method, and more particularly to a wired communication path selection method of a mobile communication wireless base station capable of selecting an optimal wired communication path for each of a plurality of types of communication contents.

[0002]

2. Description of the Related Art Conventionally, in this type of wired communication path selection method for a mobile communication radio base station, the radio base station has a telephone exchange network using a private branch exchange (PBX) or a public network, or a bus structure. CDMA / CD (Carrier Sense Mu)
LANs (Local Area Networks) configured by a method such as ltiple Access / Collision Detection) are provided as a part of each.

Therefore, in a wireless base station connected to a telephone exchange network, a private branch exchange (PBX) or a public network to which the connection is made performs a circuit exchange connection, so that only a wired communication path by a telephone line is connected as a wired line. I have. For this reason, all communications that go through this wireless base station go through the telephone line,
When receiving a communication request from a communication mobile device over a wireless communication line, the same function as selecting an empty channel is required,
There is no need to select a wired communication path.

On the other hand, when a wireless base station is connected to a data communication connectionless communication path such as a bus structure LAN and is dedicated to data communication, a communication request from a communication mobile unit is transmitted to a LAN type communication apparatus. Since it is limited to data communication, there is no need to select a route.

In the case where one wireless station connects both a communication path of a wired communication path by a telephone line and a connectionless communication path for data communication such as a bus structure LAN, a private branch exchange (PBX) is used. ) Or a communication mobile station that issues a communication request for making a circuit-switched connection by the public network, and a communication mobile station that issues a communication request based on LAN data. Different types of wired communication paths can be selected.

[0006]

In the above-described conventional wired communication path selection method for a mobile communication radio base station, wired communication using a telephone line for making a circuit-switched connection via a private branch exchange or a public network. When both a path and a communication path for data communication such as a LAN are connected to a wireless base station, a communication mobile device is assigned to one of two types from a communication request signal received when a communication request is made. And connects to the determined wire communication path.

In this case, while the number of lines or the line capacity of each of a wired communication path through a telephone line for performing a line switching connection and a communication path for data communication such as a LAN is fixed, a communication requesting communication is made. The type of mobile device for communication is not specified, and the communication route of the connection destination is limited to one of two types of wired communication routes depending on the type of signal of the received communication request, depending on the type of mobile device for communication requesting. Therefore, the number or capacity of the other type of wired communication path is insufficient and there is no free space even though one type of wired communication path has a free space. There is a problem that becomes.

An object of the present invention is to solve the above problems,
Even when there are two or more types of wired communication paths, the rate of rejecting communication requests from communication mobile devices is kept low, and the optimal wired communication path can be selected. Is to provide a scheme.

[0009]

According to the wired communication path selection method for a mobile communication base station according to the present invention, when a communication request is received from a communication mobile unit via a wireless communication line, a communication terminal of the other party is connected to the wired communication path. In the wired communication path selection method of a mobile communication wireless base station when connecting via a line, the wireless base station connects at least one of a telephone switching network and a plurality of LANs as a wired communication line. A route storage unit that stores the wired communication path to be connected in advance, a route selection unit that selects one of the wired communication routes with reference to the route storage unit, and a telephone number that indicates a connection destination in the telephone switching network. And an address conversion unit for storing and converting the destination address to be sent via the LAN, and converting the data received via the wireless line and the data transferred on the LAN between each other. And a telephone exchange network and a LAN are connected when a communication request is received from a communication mobile unit via a wireless line, and the communication request is a telephone exchange network and the telephone call When a switching network is preferentially selected and a telephone switching network cannot be selected and a LAN is selected, a telephone number is converted into an address by the address conversion unit, and transmission data is converted into predetermined data by the data conversion unit. On the other hand, when the telephone exchange network and the LAN are connected and the data communication by the LAN is requested, the LAN is preferentially selected. When the LAN cannot be selected and the telephone exchange network is selected, the LAN is selected. The address is converted into a telephone number by an address conversion unit, and the transmission data is converted into predetermined data by the data conversion unit and transmitted to the telephone exchange network.

[0010] Even if the route selecting means selects a wire communication route of a type different from the communication request received from the communication mobile device,
The data necessary for connection of the wired communication path selected by the address conversion unit and the data conversion unit is an exchange network or a LAN.
Sent to the selected one of

[0011]

Next, embodiments of the present invention will be described with reference to the drawings.

FIG. 1 is a functional block diagram showing an embodiment of the present invention. In FIG. 1, in the wired communication path selection method of the mobile communication radio base station, the radio base station 20 connected to the communication mobile devices 11 and 12 by radio lines, the telephone switching network 31,
A LAN 32, and telephone terminals 41 and 42 and data terminals 51 and 52 are shown.

The difference from the prior art is that the radio base station 20
The telephone exchange network 31 and the LAN 32 are connected to each other, and a route storage unit 21, a route selection unit 22, an address conversion unit 23, and a data conversion unit 24 are provided.

It is assumed that the communication mobile unit 11 requests communication on a wired communication path through a telephone line in order to perform circuit switching connection. Further, it is assumed that the communication mobile device 12 makes a communication request to a connectionless communication path for data communication through the LAN 32.

The route storage unit 21 stores a wired communication route to which the wireless base station 20 can directly connect and use.
It is assumed that the route storage unit 21 stores the connected wired communication route in advance and records the used wired communication route that cannot be used.

The route selecting unit 22 is a communication mobile unit 11, 1
2 determines the possibility of using a wired communication path for which communication is requested, and if there is no type of wired communication path to be used, the other type of wired communication path is selected.

The address conversion unit 23 targets a terminal to which the wireless base station 20 can be connected with a destination dial number when passing through the telephone exchange network 31 and a destination address when passing through the LAN 32 on the other side. Then, one of the destination dial number and the destination address is converted to the other.

The data conversion unit 24 includes the communication mobile unit 11,
Wireless data received from the telephone exchange network 31 or L
It is assumed that the data is converted into data conforming to the respective protocols of the AN 32.

The telephone exchange network 31 is a private branch exchange (PBX) or a public network connecting the telephone terminal 41 and the data terminal 51, and the LAN 32. In addition, LAN32
Is a CSMA / CD system bus structure LAN connecting the telephone terminal 42, the data terminal 52, and the telephone exchange network 31.

The telephone terminal 41 is connected to the telephone switching network 3 of the telephone line.
1 and has at least one function of voice communication and data communication. In addition, the telephone terminal 42
It has at least one function of voice communication and data communication, and has an interface with the LAN 32.

The data terminal 51 has a function of data communication by LAN and has an interface with the telephone exchange network 31. Also, the data terminal 52 is a LAN
32 has a data communication function.

Next, an example of route selection by the radio base station 20 will be described with reference to FIG.

In FIG. 2A, the radio base station 20
Two wired communication paths, a telephone exchange network 31 and a LAN
32 is connected and available, the telephone terminal 41 is called via the telephone exchange network 31 when requesting communication from the communication mobile unit 11 to the telephone line, while the LAN 32 is used for communication data to the LAN line. The communication data is transmitted to the data terminal 52 via the terminal.

In the case of FIG. 2B, the radio base station 20 is not directly connected to the telephone exchange network 31, but is connected only to the LAN 32. With this configuration, the communication mobile device 11 is connected to the telephone terminal 4.
When making a communication request to the telephone terminals 41 and 42, the wireless base station 20 converts the data of the destination number and the data of the wireless system into a LAN address and LAN data respectively, passes through the LAN 32,
Is connected via a telephone exchange network 31 or a telephone exchange which accommodates a telephone terminal 41 and is connected to a LAN 32, and L when connected to a telephone terminal 42 having a LAN interface.
The data can be transmitted directly from the AN 32 through each path.

In the case of FIG. 2C, the radio base station 20 is connected only to the telephone exchange network 31 and is not directly connected to the LAN 32. In this configuration, the communication mobile device 12 is connected to the data terminal 5.
1 and 52, the radio base station 20 transmits the destination number and the data of the radio system to the telephone switching network 3 respectively.
1 to the data terminal 51 having an interface with the telephone switching network 31 directly through the telephone switching network 31, and to the data terminal 52 having no interface with the telephone switching network 31. Data can be transmitted via each route via the LAN 32 to be connected.

In the above description, it is assumed that the communication mobile station requests communication with either the telephone exchange network or the LAN. However, one communication mobile station transmits a predetermined identification code and can issue any communication request. May be provided.

[0027]

Next, with reference to FIG. 3 and FIG. 1, an embodiment of the configuration of the radio base station 20 in FIG. 1 of the above embodiment will be described.

As shown in the figure, the radio base station 20 comprises a radio 61, a communication route selecting means 62, and a route status storing means 6.
3. It is assumed that the system includes an address storage unit 64, a line switching control unit 65, a telephone line interface unit 66, a wireless data communication control unit 67, and a LAN communication control unit 70.

Further, the LAN communication control device 70
32, an address conversion unit 71, a frame conversion unit 72, and a multiplexing / distributing unit 7.
3 and LAN data communication control means 74.

The wireless device 61 is connected to the communication mobile devices 11 and 12 via a wireless line via an antenna on the one hand, and the communication path selecting means 62, the circuit switching control means 65, and the wireless data communication control means 67 on the other hand. It is assumed that it is connected to When receiving a communication request from the communication mobile units 11 and 12, the wireless device 61 sends information of the communication request to the communication path selecting means 62, and as a result, the wire communication path information of the connection destination received from the communication path selecting means 62 It is assumed that one of the source communication mobile units 11 and 12 is connected to the circuit switching control unit 65 or the wireless data communication control unit 67 based on the above.

The communication route selecting means 62 corresponds to the route selecting unit 22 shown in FIG. 1 and, based on the communication request received from the communication mobile units 11 and 12, connects route information having connection from the route status storing means 63. Then, an appropriate route is selected, and the selected route is notified to the wireless device 61. Further, the communication path selecting means 62 determines that there is no connection path to the LAN 32 in response to the communication request of the LAN data communication received from the communication mobile device 12 and the connection path to the telephone exchange network 31 is selected.
It is assumed that an inquiry is made to the address storage means 64, a telephone number to be transmitted to the telephone exchange network 31 is taken out, and the radio equipment 61 is notified together with the selected route information.

Although not shown, the communication route selection means 62 obtains information on the availability of a line, for example, the presence / absence of an idle line, the amount of traffic, and the like, from the line switching control means 65, and stores it in the route state storage means 63. The optimal route may be set together with the route obtained from the stored information.

The route status storage means 63 corresponds to the route storage unit 21 shown in FIG. 1, and stores in advance whether or not there are routes to be connected to the telephone exchange network 31, the LAN 32, etc. The memory shall be updated when changing.

The address storage means 64 stores the telephone exchange network 31
Alternatively, the connection destination telephone number and the destination address corresponding to the same terminal for calling the terminal via each of the LANs 32 are stored in advance in comparison. It does not include information on terminals that cannot make a detour connection or reject a detour. Address storage means 64 and address conversion means 7
1 constitute the address conversion unit 23 of FIG.

The circuit switching control means 65 selects one telephone line when receiving a communication request via the radio 61, and, based on the received telephone number, a telephone line interface device 66.
A communication request is made to the telephone exchange network 31 via the network, and a communication line with the connection destination terminal is formed.

The telephone line interface device 66 is interposed between the communication mobile units 11, 12 and the telephone exchange network 31,
It shall control voice communication or data communication, LAN
For input of data and the like, data conversion suitable for data communication on a telephone line is performed to establish communication. Therefore, it is assumed that it constitutes a part of the data conversion unit 24 in FIG.

The wireless data communication control means 67 is connected by the wireless device 61 when communication is requested from the communication mobile device 11 and a route to the LAN 32 is selected, and when wireless communication data is received in the wireless system. It is assumed that the data is converted into a data communication format in a wireless system and sent to the LAN communication control device 70.
On the other hand, when it is connected to the communication mobile device 12, it is assumed that it receives and transfers data in a data communication format in a wireless system.

The wireless data communication control means 67
The data converter 24 of FIG.
Shall constitute a part of.

The address conversion means 71 converts the connection destination information received from the wireless data communication control means 67 into the telephone exchange network 31.
In the case of a communication request to the address conversion means 72, the address storage means 64 is referred to by telephone number, converted to an address on the LAN 32, and sent to the frame conversion means 72.

The frame conversion means 72 converts the address received from the address conversion means 71 and the data received from the wireless data communication control means 67 into LAN data.
Multiplexing by forming a frame conforming to 32 protocols
The received data is output to the distributing means 73, and the LAN frame received from the multiplexing / distributing means 73 is converted into a data communication format in a wireless system for one of the reception data.

The multiplexing / distributing means 73 and the LAN data communication control means 74 multiplex output data from a plurality of communication mobile units and send the multiplexed data to the LAN 32,
And multiplexed LAN data from the mobile device for appropriate distribution.

Next, referring to FIG. 4, FIG. 1, FIG. 2 (A) and FIG.
A case where voice communication is requested from the telephone terminal 41 to the telephone terminal 41 will be described.

First, in the wireless base station 20, the wireless device 61 receives a communication request from the communication mobile device 11 (step 101).
The communication path selecting means 62 determines that the communication request is a voice communication request addressed to the telephone terminal 41 (procedure 1).
02).

Next, the communication path selection means 62 inquires of the path state storage means 63 about the presence or absence of a telephone line connected as a wired communication path (step 103),
, The route to the telephone exchange network 31 is selected as the wired communication route (YES in step 104), and the communication mobile device 1 is transmitted via the wireless device 61.
1 is transferred to the circuit switching control means 65.

Next, the circuit switching control means 65 selects one of the telephone lines to the telephone switching network 31 via the telephone line interface device 66 (YES in step 105), and issues a voice communication request to the telephone terminal 41. The data is transmitted to the telephone line (procedure 106), and the circuit switching connection processing is established.

If the above procedure 104 is "NO" and there is no telephone line connection, as shown in FIG. 2 (B), the procedure proceeds to procedure 111 which will be described later.

If the above procedure 105 is "NO" and the telephone line is empty or the traffic exceeds the limit and cannot be selected, the circuit switching control means 65 sends a communication request to the originating communication mobile unit 11. Is rejected (step 121).

In FIG. 2 (A), when the communication mobile station 11 of the caller performs data communication by circuit switching, for example, unrestricted digital communication, etc., if the voice communication is replaced with the data communication, the above procedure is performed. And the description is omitted.

Next, referring to FIG. 4, FIG. 1, FIG. 2 (B) and FIG.
A case where voice communication is requested from the telephone terminal 41 to the telephone terminal 41 will be described.

In this connection configuration, the procedure is the same up to the above procedure 103.

In the case of this condition, the above-mentioned procedure 104 is performed in accordance with “N”.
O ”, the communication route selection means 62 inquires of the route status storage means 63 about the presence or absence of the connection of the LAN line as the wired communication path (step 111).
It knows that there are N lines connected (procedure 112). Next, the communication path selecting means 62 determines whether the LAN
The address for the address 2 is inquired to the address storage means 64 (procedure 113).

When the address is found (Y in step 114)
ES), the communication path selecting means 62 selects the LAN 32 as the wired communication path, and sends a voice communication request from the communication mobile device 11 through the wireless device 61 to the wireless data communication control means 6.
7 and the subsequent communication from the mobile communication device 11 is connected to the wireless data communication control means 67.

The wireless data communication control means 67 converts the wireless communication data received via the wireless device 61 into a wireless data communication format and converts the data into a wireless data communication format.
To the address conversion means 71. Address conversion means 71
Converts the destination address of the received communication data into a LAN address corresponding to the telephone terminal 41 (procedure 116), and then the frame converting means 73 converts the wireless data frame having the LAN address into a LAN frame.

The converted LAN frame is multiplexed /
Multiplexed with another LAN frame by the distribution means 73 and
The data is output to the LAN 32 by the LAN data communication control means 74 as AN data (step 117).

If the telephone terminal 41 of the communication destination cannot process the LAN data, the LAN address is the telephone exchange network 31 in which the telephone terminal 41 is accommodated, and the telephone exchange network 31
The data is processed to form a wired communication path via the LAN 32 and the telephone exchange network 31. On the other hand, when the communication destination can process the LAN data like the telephone terminal 42, the voice communication is established as it is.

Although not shown in the above procedure 112, L
If there is no AN line, there is no possibility, so the failure processing procedure is used.

If the above step 114 is "NO" and the address is unknown, the wireless data communication control means 67 sends a rejection of the communication request to the communication mobile station 11 of the transmission source via the wireless device 61. Go to 121.

In FIG. 2 (B), when the communication mobile station 11 of the caller performs data communication by circuit switching, for example, unrestricted digital communication, the voice communication may be replaced with the data communication. The procedure is the same as that described above, but the procedure for converting the voice communication data in the wireless system into the data communication format in the wireless system in the wireless data communication control means 67 is unnecessary.

Next, referring to FIG. 5 and FIGS. 1 and 3, instead of the communication mobile station 11 in FIG.
A case where the communication mobile device 12 requests the wireless base station 20 to perform LAN data communication to the data terminal 52 will be described.

First, in the wireless base station 20, the wireless device 61 receives a communication request from the communication mobile device 12 (procedure 201).
This communication request is transmitted to the data terminal 52 by the communication path selecting means 62.
It is determined that the request is for LAN data communication addressed to (step 202).

Next, the communication path selecting means 62 inquires of the path state storage means 63 about the presence or absence of a LAN line connected as a wired communication path (step 203) and obtains a reply that there is a LAN line connection to the LAN 32. Selects a route to the LAN 32 as a wired communication route (procedure 20).
4), the communication request from the communication mobile device 12 is transferred to the wireless data communication control means 67 via the wireless device 61.

Next, the wireless data communication control means 67
Sends the communication data directly to the frame conversion means 72 of the LAN communication control device 70, and the frame conversion means 72 converts the wireless data frame into a LAN frame (step 20).
5).

The converted LAN frame is multiplexed /
Multiplexed with another LAN frame by the distribution means 73 and
The data is output to the LAN 32 by the LAN data communication control means 74 as AN data (procedure 206).

When the procedure 204 is "NO" and there is no LAN line connection, and the procedure is shown in FIG. 2B, the procedure proceeds to a procedure 211 described later.

Next, referring to FIG. 5, FIG. 2, FIG. 2 (C) and FIG.
A case in which the data terminal 52 is requested to perform LAN data communication will be described.

In this connection configuration, the procedure is the same up to the above procedure 203.

In the case of this condition, the above-mentioned procedure 204 is performed in accordance with “N”.
O ”, the communication path selection means 62 inquires of the path state storage means 63 about the presence or absence of a telephone line connection as a wired communication path (step 211) and confirms that there is a telephone line connection to the telephone exchange network 31. Know (procedure 212).

Next, the communication path selection means 62 inquires the address storage means 64 of the telephone number corresponding to the address of the destination data terminal 52 (step 213), and the telephone number is found (YES in step 214). Storage means 64
, The LAN data communication request from the communication mobile device 12 is regarded as data communication by circuit switching connection, and is connected to the circuit switching control means 65 via the wireless device 61.

The circuit switching control means 65 selects one of the telephone lines (YES in step 215), and sends a data communication request to the telephone number corresponding to the data terminal 52 via the telephone line interface device 66 ( Step 216), a circuit switching connection process is performed.

After the line is connected, the mobile communication device 1
2 is directly connected to the telephone line interface device 66 via the radio 61 and the circuit switching control means 65, and the telephone line interface device 66 converts data suitable for data communication on the telephone line. Is established.

Since the data terminal 52 cannot process the data via the telephone line, the telephone switching network 31 recognizes the telephone number corresponding to the data terminal 52, and the telephone switching network 31 converts the data via the telephone line into LAN data. To establish communication with the data terminal 52 connected to the LAN 32. on the other hand,
When data via a telephone line can be processed as in the case of the data terminal 51, the terminal can be directly connected to the telephone exchange network 31.

If the above procedure 214 is "NO", the data terminal 5
If the address is unknown such that the address No. 2 is not in the address storage means 64, or if the procedure 215 is "NO" and the telephone line cannot be selected, the communication path selecting means 62
Rejects this LAN data communication request (procedure 22).
1).

Therefore, by not storing the address of the data terminal 52 which cannot process data communication via the telephone line in the address storage means 64, selection of the telephone line can be avoided. Further, even when the wireless base station itself cannot convert LAN data into data via a telephone line, selection of a telephone line can be avoided by not storing the address of the data terminal in the address storage means 64.

In the above description, for convenience of explanation, the communication mobile unit is distinguished between the telephone line and the LAN line. However, by adding a function such as adding an identification code from one communication mobile unit, a predetermined communication unit is added. The wired communication path of any line may be requested by the procedure. Similarly, L
Although the AN is a connectionless communication path using a bus structure of the CSMA / CD system, a communication path having another structure may be used.

Although two networks connected to the radio base station have been described, even if more types of networks are connected, a function of selecting a wired communication path and converting addresses and data signals is provided. More flexibility can be obtained.

Although the telephone line is connected to the telephone exchange network, the telephone exchange device or the data exchange device itself may be used.

In the above description, the functional blocks are illustrated and described. However, the distribution to the blocks or the arrangement of the functions by separating and merging the functions is free as long as the above functions are satisfied.
The description is not intended to limit the invention. In addition, the supplementary description of the illustrated flowcharts and procedures is only the main ones related to the present invention, and the description of the monitoring function or the failure handling function is omitted.

[0078]

As described above, according to the present invention, the radio base station connects a plurality of wired communication paths and has means for converting address and data signals between the plurality of wired communication paths. When selecting one route based on a communication request from a communication mobile device, even if this route cannot be used, a mobile communication radio base capable of selecting and connecting to another optimal wired communication route to be routed. The station's wired communication path selection scheme is obtained.

With this configuration, even when a plurality of wired communication paths exist in the wireless base station, the rate of rejection of a communication request from a communication mobile station is suppressed to be low, so that an optimal wired communication path can be selected. Obtainable.

[Brief description of the drawings]

FIG. 1 is a system configuration diagram showing an embodiment of the present invention.

FIG. 2 is a system configuration diagram showing a plurality of forms formed corresponding to FIG.

FIG. 3 is a functional block diagram showing one embodiment of a wireless base station according to the present invention.

FIG. 4 is a flowchart showing one main procedure in the radio base station of the present invention.

FIG. 5 is a flowchart showing another main procedure in the radio base station of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 20 radio base station 11, 12 communication mobile device 21 route storage unit 22 route selection unit 23 address conversion unit 24 data conversion unit 31 telephone exchange network 32 LAN (local area network) 41, 42 telephone terminal 51, 52 data terminal 61 wireless Device 62 communication route selecting means 63 route status storing means 64 address storing means 65 circuit switching controlling means 66 telephone line interface device 67 wireless data communication controlling means 70 LAN communication controlling apparatus 71 address converting means 72 frame converting means 73 multiplexing / distributing means 74 LAN data communication control means

Claims (3)

[Claims] When a communication request is received from a communication mobile device via a wireless communication line, a wired communication path selection method of a mobile communication wireless base station for connecting a destination communication terminal via a wired communication line. A wireless base station connected as a wired communication line to at least one of a telephone exchange network and a plurality of networks such as a LAN (local area network), and a route storage unit for storing in advance a wired communication route to be connected; A route selection unit for selecting one of the wired communication routes with reference to the route storage unit, and a telephone number indicating a connection destination in the telephone exchange network and a destination address to be transmitted via the LAN are stored and converted mutually. An address conversion unit; and a data conversion unit that converts data received via the wireless line and data transferred on the LAN to each other. When the communication request is received from the telephone exchange network and the LAN, and the communication request is the telephone exchange network, the telephone exchange network is preferentially selected for both voice and data, and the telephone exchange network can be selected. When a LAN is selected, the telephone number is converted into an address by the address conversion unit and the transmission data is converted into predetermined data by the data conversion unit and transmitted, while the telephone exchange network and the LAN are connected and the LAN is connected. Is requested, the LAN is preferentially selected.
If the AN cannot be selected and the telephone switching network is selected, the address conversion unit converts the address to a telephone number, and the data conversion unit converts the transmission data to predetermined data and transmits the data to the telephone switching network. A wired communication path selection method for a mobile communication wireless base station. 2. The communication system according to claim 1, wherein the communication request is a telephone switching network, and a telephone switching network cannot be selected and a LAN is selected.
Or, when data communication by LAN is requested,
If a telephone exchange network is selected without being able to select, a rejection of a communication request is selected. A wired communication path selection method for a mobile communication radio base station. 3. The movement according to claim 1, wherein the option of the wired communication path is obtained by adjusting the recording of the path stored in the path storage unit and the address stored in the address conversion unit. Wired communication path selection method for body communication wireless base stations.