JP2010193009A - Communication system and communication control program - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To quickly start communication to other radio device stations that do not have communication established. <P>SOLUTION: A radio device 16 is used for a communication system which mutually communicates with a plurality of radio device stations via a relay station. The radio device receives a signal transmitted by other radio device stations by a receiving section 4 and a controller 6 and extracts identification information and control information on other radio device stations and relay stations from the received signal and stores them. The controller 6 discriminates the transmission source of the identification information based on the extracted control information; generates a communication frame based on the identification information to the effect that the other radio device station is a transmission source; and transmits communication by transmitting the communication frame via a transmission section 3 and an antenna 1. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a communication device and a communication control program.

  Some wireless communication systems communicate with each other through a plurality of relay stations.

  In the wireless communication system described above, a user who uses a communication device in a wireless station specifies identification information for identifying the wireless station (local station) as a transmission source and a wireless station (counter station) as a transmission destination. In addition to the identification information to be identified, identification information for identifying the relay station must also be input to the communication device. For this reason, erroneous input associated with complicated input work is likely to occur. Therefore, by receiving radio signals transmitted and received between other radio stations, extracting identification information about other radio stations from the received radio signals, inserting the latest one to generate a communication frame, A communication device capable of performing communication without complicated input work has been considered (see Patent Document 1).

JP 2007-43232 A

  In the communication device disclosed in Patent Document 1, the burden of input work is reduced by using a method of extracting the latest identification information regarding other wireless stations included in the received wireless signal. However, when communication between other wireless stations ends, the relay station that relayed the communication may transmit a wireless signal that notifies the end.

  In that case, the latest identification information left as the communication history after the end of the communication is that of the relay station. Therefore, when the communication performed via the relay station is intercepted and it is desired to communicate with one of the communicators after the communication is completed, the identification information of the wireless station to be communicated cannot be acquired. Therefore, it was not possible to communicate with the radio station without performing complicated input work.

  Therefore, an object of the present invention is to provide a communication device that can easily communicate with a wireless station that has always performed wireless communication when receiving wireless communication.

In order to solve the above problems, a communication device according to the first aspect of the present invention provides:
Radio signal received from the radio station including the identification information about the radio station and the control information by the relay station, and the control information by the relay station using the relay station as the source Receiving means for receiving a radio signal from a relay station including:
Identification information extracting means for extracting identification information about the wireless station for each wireless signal received by the receiving means;
Control information extracting means for extracting control information by the relay station for each radio signal from the radio signal from the radio station and the radio signal from the relay station received by the receiving means;
Signal information storage means for storing at least two or more of each of the extracted identification information and each control information for each radio signal that is an extraction source;
An operation means that can be operated by a user and instructs generation of a communication frame when operated,
When receiving an instruction to create a communication frame from the operation unit, a radio signal having a radio station as a transmission source is determined from control information of each radio signal stored in the signal information storage unit, and the radio station is a transmission source. Communication frame generating means for generating the communication frame by inserting identification information included in the latest wireless signal among the determined wireless signals as identification information of a transmission destination wireless station.

The operating means includes means for responding to a pressing operation,
It is desirable that the communication frame generation unit generates a communication frame in response to a user's pressing operation.

In order to solve the above problem, a communication control program according to the second aspect of the present invention provides:
On the computer,
Radio signal received from the radio station including the identification information about the radio station and the control information by the relay station, and the control information by the relay station using the relay station as the source Receiving a radio signal from a relay station including:
An identification information extracting step for extracting identification information about the radio station for each radio signal received from the radio station by the receiving means;
A control information extraction step for extracting control information by the relay station for each radio signal from the radio signal from the radio station and the radio signal from the relay station received in the reception step;
Signal information storing step for storing each extracted identification information and each control information for each radio signal that is an extraction source;
From the control information of each radio signal saved in the signal information saving step, the radio signal having the radio station as the transmission source is determined, and included in the latest radio signal among the radio signals determined to have the radio station as the transmission source And a communication frame generation step of generating the communication frame by inserting the identification information to be transmitted as identification information of a transmission destination radio station.

  ADVANTAGE OF THE INVENTION According to this invention, when the communication apparatus starts communication with another radio station in a communication system, the exact content of the identification information regarding the other radio station which should be input can always be acquired easily. Further, by generating and transmitting a communication frame using the acquired identification information, it is always possible to perform quick communication.

It is a block diagram of the radio | wireless communication apparatus which concerns on one Embodiment of this invention. It is a block diagram which shows the structure of the whole communication system in which the radio station shown in FIG. 1 is used. It is a figure which shows the communication frame of the signal which a radio station transmits. (A) And (b) is a figure which shows the specific example of the communication frame of the signal which a radio station transmits, (c) is a figure which shows the structural example of the communication packet transmitted on the internet. It is a figure which shows the specific example of the communication frame of the signal which a radio station transmits. It is a figure which shows the specific example of the communication frame of the signal which a radio station transmits. FIG. 3 is a diagram for explaining a process in which the wireless station in FIG. 1 receives and executes communication between other wireless stations, and shows an example of communication performed on the communication system in FIG. 2. 2A and 2B are diagrams for explaining processing executed when the wireless station in FIG. 1 receives and executes communication between other wireless stations, in which FIG. 1A is a diagram illustrating a specific example of a received communication frame, and FIG. FIG. 3 is a diagram illustrating an example of a call sign extracted by FIG. 2, and FIGS. 3C and 3D are diagrams illustrating examples of a communication frame generated by a wireless station. It is an example of the screen displayed on a monitor in order to designate whether to perform immediate communication. It is a figure for demonstrating the other structure for designating a communication destination.

A radio communication device according to an embodiment of the present invention will be described below.
FIG. 1 is a block diagram showing a configuration of a wireless communication device according to an embodiment of the present invention.

  A wireless communication device (radio device) 16 shown in FIG. 1 is a part of equipment constituting an amateur radio station, and includes an antenna 1, a transmission / reception switching unit 2, a transmission unit 3, a reception unit 4, a voice A / A D / D / A (analog / digital / digital / analog) conversion unit 5, a controller 6, an amplifier 7, a microphone 8, a speaker 9, an operation unit 10, and a monitor 11 are provided.

  The antenna 1 receives a signal wave transmitted from another amateur radio as a communication partner and relayed by a repeater, or a signal wave directly transmitted from another amateur radio. In addition, a signal wave is transmitted to a repeater that relays the signal wave to another amateur radio or another amateur radio.

  The transmission / reception switching unit 2 outputs the signal wave for transmission input from the transmission unit 3 to the antenna 1, inputs the signal wave received by the antenna 1, and outputs this signal wave to the reception unit 4.

  The transmission unit 3 modulates the input audio signal and data signal based on a GMSK (Gaussian filtered Minimum Shift Keying) modulation method, and outputs the modulated audio signal and data signal to the transmission / reception switching unit 2. The audio signal is supplied from the audio A / D / D / A converter 5, and the data signal is supplied from the controller 6.

  The receiving unit 4 has a tuning function for selecting and receiving a signal of a specific frequency (communication channel), and the frequency of the radio signal to be received is set based on the control of the controller 6. The receiving unit 4 also has a demodulation function that demodulates the input received signal. Here, the receiving unit 4 performs demodulation based on the GMSK modulation method. By the way, the radio signal received by the receiving unit 4 includes a radio signal transmitted via a repeater with a radio station as a transmission source, and a radio signal transmitted from the relay station itself with the repeater as a transmission source. The former radio signal is transmitted for communication between the other radio stations, and reception is interception. The latter radio signal notifies the end of the communication after a certain time has elapsed after the communication of the radio station using the repeater has been completed to all the radio stations in the area under the control of the repeater.

  The voice A / D / D / A converter 5 has an analog-digital conversion function for converting a voice signal between an analog signal and a digital signal.

  The controller 6 controls the operation of the wireless device 16. The controller 6 includes a CPU (Central Processing Unit) 6a, a ROM (Read Only Memory) 6b, and a RAM (Read / Write Memory) 6c.

  The ROM 6 b stores a control program for the controller 6 to control the operation of the wireless device 16. Based on this control program, the controller 6 controls the radio device 16 to function as a transmitter and a receiver.

  In the RAM 6c, a call sign storage area for storing a call sign is developed. In the case of amateur radio, the call sign is identification information given to an amateur radio station that is a whole of a radio equipment and an operator of the equipment. In the call sign storage area of the RAM 6c, the call sign of the own station (own radio station) and the call sign of the transmitting station or the transmission source relay station that has received the radio signal by the receiving unit 4 are stored. The call sign of the radio signal received by the receiving unit 4 is stored in the last-in first-out method in the order received, and at least the past two or more are left as reception histories. Here, as described in the description of the receiving unit 4, there are wireless signals to be received that have other wireless stations as transmission sources and those that have repeaters as transmission sources. When the former is received, the call sign storage area stores the call sign of another wireless station and the call sign of the repeater when the other wireless station uses the repeater. When the latter is received, only the call sign of the repeater is stored in the call sign storage area. When the wireless device 16 performs processing for generating a communication frame F shown in FIG. 3 to be described later, any one of the call signs stored in the call sign storage area of the RAM 6c is automatically stored in the header portion H of the communication frame F. Process to insert automatically. Which call sign is to be inserted is indicated by a pointer in the call sign storage area.

As described above, call signs are stored in the call sign storage area for each radio signal in the order in which the radio signals are received.
Control information for determining whether a wireless signal is transmitted from a wireless station or a relay station is stored in a call sign storage area in association with the received wireless signal. This control information is a flag composed of the lower 3 bits in the first 1 byte after the synchronization information in the header portion H of the communication frame F in the standard system of the amateur radio digitization technology.

When this flag is a predetermined value (010) or (001), it is determined that the signal is a radio signal having a repeater as a transmission source.
1) Predetermined value (010) indicates that a certain period of time has elapsed since the wireless device inquired of the repeater whether the repeater can be used or when communication was performed between the wireless devices via the repeater. Set by the repeater.
2) The predetermined value (001) is set by the repeater when a communication path to the other party's repeater cannot be secured for some reason when the repeater is accessed from the wireless device to use the repeater.
When this flag is a value other than the predetermined values (010) and (001), it is determined that the signal is a radio signal having a radio station as a transmission source.

When the user presses the call sign setting button 10a, the controller 6 determines whether the flag stored in the call sign storage area is any one of the predetermined values described above, whereby the latest radio signal is transmitted to the radio station. And the relay station is the transmission source, and when the wireless signal is determined to be the transmission signal from the wireless station, the call sign of the latest wireless signal is set to the header portion H of the communication frame F. The process of automatically inserting into.
When determining that the latest radio signal stored in the call sign storage area is a radio signal having the relay station as a transmission source, the controller 6 uses the second new radio signal stored in the call sign storage area as the transmission source. If the second new radio signal is determined to be the source of the radio station, the call sign of the second new radio signal is set to the communication frame F. Is automatically inserted into the header portion H.
As described above, when the user presses the call sign setting button 10a, the controller 6 determines whether each wireless signal is transmitted from the wireless station based on the flag that is the control information stored in the call sign storage area. And the call sign of the latest radio signal is automatically inserted into the header portion H of the communication frame F among the radio signals originating from the radio station.

  In addition, the controller 6 generates data such as a bit synchronization signal, a frame synchronization signal, P_FCS, and a data frame to be inserted into the communication frame F, and supplies the data to the transmission unit 3. Note that the transmission unit 3 may generate these data.

  The amplifier 7 amplifies the audio signal supplied from the microphone 8 and supplies the amplified audio signal to the audio A / D / D / A converter 5. The amplifier 7 amplifies the audio signal supplied from the audio A / D / D / A converter 5 and supplies the amplified audio signal to the speaker 9.

  The microphone 8 obtains the user's call sound and supplies it to the amplifier 7 as an audio signal.

  Based on the audio signal supplied from the amplifier 7, the speaker 9 outputs a call sound of a user of another amateur radio station that is a communication partner.

The operation unit 10 is a device for inputting condition information related to the operation of the wireless device 16. The operation unit 10 is provided with various operation keys. When the user performs various inputs by operating the operation keys, the wireless device 16 can perform operations based on the inputs.
The operation unit 10 takes in the control information of the currently received communication and determines whether or not the above-mentioned flag is a predetermined value. A call sign setting button 10a for capturing the call sign and generating the header portion H of the communication frame F is provided.

The content of the operation on the operation unit 10 is detected by the controller 6. That is, the controller 6 detects the type of the operated operation key and the content of the operation on the operation key. And the controller 6 discriminate | determines the content input with the operation key, and controls the radio | wireless machine 16 so that the operation | movement according to the input content may be performed.
In particular, when detecting that the call sign setting button 10a has been operated, the controller 6 extracts the repeater call sign of the transmission source and the call sign of the transmission source radio station from the communication frame F being received, and transmits the radio station. In order to start communication with the destination wireless station, processing for generating and transmitting a communication frame F is executed.

  The monitor 11 includes a monitor screen 11a made up of a liquid crystal display or the like. On the monitor screen 11a, a notification of the operating state of the wireless device 16 to the user, a message prompting the user to input by the operation unit 10, and the like are displayed.

  Next, the transmission operation of the wireless device 16 will be described.

  The call sound by the user is converted into a voice signal by the microphone 8, amplified by the amplifier 7, and then output to the voice A / D / D / A converter 5.

  The voice A / D / D / A converter 5 converts the input analog voice signal into a digital voice signal and outputs the digital voice signal to the transmitter 3.

  Further, the controller 6 supplies the transmission unit 3 with data necessary for transmission such as synchronous data.

  The transmission unit 3 performs GMSK modulation processing on the carrier signal using the input data, and outputs the modulated signal to the transmission / reception switching unit 2.

  The transmission / reception switching unit 2 guides the signal input from the transmission unit 3 to the antenna 1 under the control of the controller 6, and this signal is transmitted from the antenna 1.

Next, the reception operation of the radio device 16 will be described.
First, the user designates the frequency of the downlink signal of the area to which the user belongs as the reception frequency from the operation unit 10. The controller 6 stores this frequency in the RAM 6 c and sets it in the receiving unit 4.

  The transmission / reception switching unit 2 supplies the reception signal to the reception unit 4. The receiving unit 4 tunes to a specified reception frequency and performs GMSK demodulation on the tuned received signal. Data of the header part H included in the communication frame F of the received signal demodulated by the receiving unit 4 is input to the controller 6.

  The controller 6 determines whether or not the received signal is transmitted to the own station based on the information of the header portion H of the received signal, and performs a predetermined notification process if the received signal is addressed to the own station.

  Of the data included in the data portion D of the received signal, the audio data included in the audio frame is input to the audio A / D / D / A converter 5.

  When a digital audio signal is input from the receiving unit 4, the audio A / D / D / A converter 5 converts the input digital audio signal into an analog audio signal under the control of the controller 6. This is supplied to the amplifier 7.

  The amplifier 7 amplifies the input audio signal and emits sound from the speaker 9.

  Further, the controller 6 sequentially stores the reception signal supplied from the reception unit 4 in the RAM 6c regardless of whether or not it is addressed to itself.

  When the received data is stored in the RAM 6c, the controller 6 extracts the source repeater call sign and the source radio station call sign from the call signs included in the header portion H of the received data, and the control described above. Extracts information flags.

  The controller 6 stores the extracted call sign in the call sign storage area of the RAM 6c, and stores the flag in the control information storage area of the RAM 6c.

Here, when the user presses the call sign setting button 10a, the controller 6 determines whether the latest radio signal stored in the call sign storage area is a radio station or a relay station. When it is determined that the radio signal is transmitted from a radio station, the call sign of the latest radio signal is automatically inserted into the header portion H of the communication frame F.
When determining that the latest radio signal is a radio signal having the relay station as a transmission source, the controller 6 transmits the relay station to the second new radio signal stored in the call sign storage area. When it is determined that the second new radio signal originates from the radio station, the call sign of the second new radio signal is automatically inserted into the header portion H of the communication frame F. .
When determining that the second new radio signal is a radio signal having the relay station as a transmission source, the controller 6 performs the same process on the third and subsequent radio signals stored in the call sign storage area. As a result of the determination of the third and subsequent wireless signals, the call sign of the newest wireless signal originating from the wireless station in the third and subsequent wireless signals is automatically inserted into the header portion H of the communication frame F. To do. The user can easily start communication using the automatically generated communication frame F.

  Next, the operation in which the wireless device 16 having the above configuration generates a communication frame will be described in more detail.

  The communication system shown in FIG. 7 is a schematic diagram showing the communication system 100 shown in FIG. 2 described later in a simplified manner for easy understanding.

Further, as shown in FIG. 7, the local station 15 _5, "ZZZ" is assigned as the call sign, the first radio station 15 _1, "BBB" is assigned as the call sign, the second other the radio station 15 _2, has "CCC" is assigned as the call sign. In addition, the first terminal repeater station 31 _1, the call sign "bbb" is the second terminal repeater station 31 _2, has been assigned the call sign "ccc". Note that these three radio stations _{15 1,} 15 2, 15 _5, and two terminal repeater station 31 ₁ and 31 ₂ are arranged in one zone (see Figure 2).

As shown in FIG. 7, a _two-second radio station 15 is transmitting a signal J1 to the first radio station 15 addressed _1. The signal J1 is relayed by the second terminal repeater station 31 _2, sent from the first terminal repeater station 31 _1, it is received by the first radio station 15 _1. Also, the local station 15 ₅ receive channel is set to channel for the downlink to receive the signal J1.

  As shown in FIG. 8A, in the header portion of the communication frame of the signal J1, the transmission destination repeater call sign “bbb”, the transmission source repeater call sign “ccc”, and the transmission destination radio station call sign “BBB”. And a source radio station call sign “CCC” is inserted.

Wireless signal transmitted from the first terminal repeater station 31 ₁ is received also own 15 _5.
Here, the operation of the user, if it is set down link frequency as the reception channel of the receiving unit 4, the communication frame F is provided to the controller 6 of the local station 15 _5.
When the controller 6 detects that the receiving unit 4 has received some signal (data), the controller 6 stores the received data in the call sign storage area of the RAM 6c.

  The controller 6 extracts the source repeater call sign “ccc” and the source radio station call sign “CCC” from the header information H in the stored received data as shown in FIG. Further, the controller 6 extracts a flag used by the repeater for control from the header information H in the stored received data, and uses it for determination when selecting a call sign.

  On the other hand, the audio data of the received signal is emitted from the speaker 9, and the user of the wireless device 16 can listen to the content, although it is not communication addressed to itself. For example, CQ, which is an unspecified station call from another wireless station, is also emitted. When the user responds to CQ, or when the user wants to communicate with the transmitting station (sender (speaker)) of the signal received (being) this time, The call sign setting button 10a is pressed (touched or clicked).

When the call sign setting button 10a is pressed, the controller 6 generates a communication frame F using the extracted call sign. That is, as shown in FIG. 8C, the source repeater call sign “ccc” extracted most recently or one time earlier according to the determination is used as the destination repeater call sign, and the destination radio station call sign “CCC” is set. a destination wireless station call sign, the own station 15 ₅ a first terminal repeater station 31 ₁ of the call sign "bbb" belonging to the source repeater call sign, the source of the call sign of the local station 15 ₅ "ZZZ" A header part H is generated as a radio station call sign.

  Subsequently, the user transmits the communication frame F at an appropriate timing by operating the operation unit 10 or the like. Thereafter, normal transmission in which a voice frame and a data frame (synchronization data) are repeated as the data portion D is performed.

  Further, the controller 6 extracts the transmission destination repeater call sign “bbb” and the transmission destination radio station call sign “BBB” from the header information H in the stored reception data, and when the call sign setting button 10a is pressed. Using the extracted call sign, a communication frame F is generated as shown in FIG. The user transmits the communication frame F at an appropriate timing, and thereafter performs normal transmission in which the audio frame and the data frame (synchronized data) are repeated as the data portion D.

  Next, a communication system 100 as an infrastructure in which the wireless device 16 according to the present embodiment is used will be described with reference to FIG.

As shown in the figure, this communication system 100 has a configuration in which a plurality of zone networks (internal networks) 20 (20 _A , 20 _B ,...) Are connected to the Internet IN.

Each zone network 20 includes one or more area networks 21 (21 ₁ , 21 ₂ ,...).
Each area network 21 includes a terminal relay station 31 (31 ₁ , 31 ₂ , 31 ₃ , 31 ₄ ,...) And a trunk relay station 32 (32 ₁ , 32 ₂ , 32 ₃ , 32 ₄ ,. .) And a plurality of radio stations 15 connected to the terminal relay station 31.

Terminal relay stations 31 (31 ₂ , 31 ₃ ,...) Of any area network 21 (21 ₁ , 21 ₂ ,...) In each zone network 20 (20 _A , 20 _B, ...). Are connected to the Internet IN via gateways (GW) 41 (41 _A , 41 _B, ...).

Further, the trunk system relay stations 32 (32 ₁ and 32 ₂ , 32 ₃ and 32 ₄ ,...) Of each area network 21 belonging to the same zone network 20 are connected to each other via the trunk line ML.

  Each radio station 15 is wirelessly connected to a terminal relay station 31 that covers an area where the radio station 15 exists. Note that the radio station 15 means the whole of the radio equipment including the radio device 16 and the operator of the equipment, and each radio station 15 is given a call sign as identification information.

  The terminal relay station 31 communicates with the wireless station 15 in the same area network 21 by wireless communication using a call sign. Further, for communication with other area networks 21 in the same zone network 20, wireless or wired communication is performed with the trunk relay station 32.

Of the terminal relay stations 31 belonging to one zone network 20, one (31 ₂ and 31 ₃ ) functions as a zone repeater for connecting the zone network 20 and the Internet IN. The zone repeater 31 is connected to the Internet IN via the GW 41, packetizes a communication frame addressed to the outside of the zone network 20, and sends the packet to the Internet IN via the GW 41. In addition, a packet from the Internet IN to the zone network 20 is received via the GW 41 to reconstruct a communication frame. If it is addressed to the own area network 21, it is wirelessly transmitted. 32.

  The trunk relay station 32 is connected to the terminal relay station 31 and performs bidirectional communication with the trunk relay station 32 of another area network 21 in the same zone network 20 to transmit and receive data.

The GW 41 (41 _A, 41 _B ) is for connecting the Internet IN and each zone network 20, and is assigned a call sign and a global IP address. In this embodiment, the call sign assigned to the GW 41 is obtained by adding “G” to the end of the call sign (for example, ccc, ddd) of the terminal relay station 31 to which the GW 41 is connected (for example, cccG , DddG). The global IP address is a unique address on the Internet IN of each GW 41. The terminal relay station 31 may also serve as the GW 41.

  A management server 51 is installed on the Internet IN. The management server 51 has a table storing information such as which zone and area the wireless station 15 in the communication system 100 belongs to, and will be described later by using the information registered in this table. Establish inter-zone communication via the Internet IN.

Next, a communication method in the communication system 100 having such a configuration will be described.
The radio station 15 generates a communication frame F having the basic configuration shown in FIG. 3 and transmits it. This communication frame F is composed of a header part H at the beginning and a data part D following this. The header part H is a part used to connect to another wireless station 15 as a counterpart, and includes an information signal for establishing communication with the other wireless station 15.

The bit synchronization included in the header portion H is a bit synchronization signal for synchronizing the input signal. The frame synchronization included in the header portion H is a frame synchronization signal that represents a signal. Immediately following this signal is the flag described above.
In the identification information (call sign) of the header portion H, identification information for specifying the transmission destination of the communication frame F, the transmission source, and the relay station on the relay route is set. In the identification information of the header portion H, the transmission destination of the communication frame F, the transmission source, and the call sign of the start and end relay stations on the relay route are set.

  Specifically, a transmission destination repeater call sign, a transmission source repeater call sign, a transmission destination wireless station call sign, and a transmission source wireless station call sign are set in the identification information. The transmission destination repeater call sign is a call sign of the terminal relay station 31 that has jurisdiction over another wireless station 15 that is a transmission destination. When communicating with another zone, the call sign of the GW 41 in the own zone is set as the destination repeater call sign. The transmission source repeater call sign is a call sign of the terminal relay station 31 that has jurisdiction over its own radio station 15 as a transmission source. The transmission destination wireless station call sign is a call sign of the wireless station 15 that is the transmission destination. The transmission source radio station call sign is the call sign of the local station.

  P_FCS of the header part H represents a frame check sequence as to whether the header part H is valid.

  In the data portion D of the frame F, audio frames and data frames are alternately and repeatedly arranged. The audio frame is a frame into which an audio signal for audio communication is inserted. In the data frame, a synchronization signal for data communication is inserted. The voice frame and the data frame are repeated until one call ends.

  The wireless station 15 transmits the generated communication frame F wirelessly. This communication frame F is received by the terminal relay station 31 of the area network 21 in the same area.

  If the other party repeater call sign of the header part H is its own call sign, the terminal relay station 31 retransmits it wirelessly, and if it is the call sign of another terminal relay station 31, the trunk relay The data is transferred to the station 32 and sent to the trunk line ML.

  When the final transfer destination of the communication frame F is in the same zone network 20, the communication frame F is transferred to the corresponding terminal relay station 31 and further wirelessly transmitted to the wireless station 15.

On the other hand, when the final transfer destination of the communication frame F is another zone network 20, the communication frame F reaches the GW 41 of the zone to which the own station as the transmission source belongs according to the transmission destination repeater call sign of the header part H.
Here, the GW 41 in the zone to which the own station that is the transmission source inquires of the management server 51 installed on the Internet IN about information related to the transmission destination radio station 15 that is the final transfer destination of the communication frame F. The management server 51 that has received the inquiry, based on the information registered in the table of the management server 51, obtains information on the GW 41 of the zone to which the transmission destination radio station 15 that is the final transfer destination belongs, as the GW 41 of the inquiry source. Reply to The GW 41 that has received the reply from the management server 51 extracts the necessary information from the communication frame F, and based on the information received from the management server 51, the IP of the GW 41 in the zone to which the transmission destination wireless station 15 belongs. An IP header with an address as the destination IP address and its own IP address as the source IP address is added to form an IP packet, which is output on the Internet IN.
The destination GW 41 receives this IP packet, reproduces the original communication frame F, and sends it to the trunk line ML in the own zone network 20. The subsequent operation is the same.

  The above communication operation will be described based on a specific example.

1) An operation in which the wireless station 15 ₁ in the area ₁ communicates with the wireless station 15 ₄ in the area 4.
User, a) as the destination repeater call sign, a call sign of the GW 41 _A in its own zone cccG, b) the source repeater call sign as an area 1 of the terminal repeater station 31 ₁ call sign bbb, c) transmission previous radio station AAA is a call sign of the destination radio station 15 ₄ as call sign, d) inputting the call sign BBB radio station 15 ₁ of the own station as a transmission source radio station call sign.

Radio station 15 _1, as shown in FIG. 4 (a), it generates a communication frame F having a header part H, and transmits to the terminal repeater station 31 _1.

The terminal relay station 31 ₁ receives this communication frame F, and transmits it to the trunk line ML via the trunk relay station 32 ₁ from the transmission destination repeater call sign (cccG) included in the header portion H.

This communication frame F is transferred on the trunk line ML, and reaches the GW 41 _A by the counterpart repeater call sign.

The GW 41 _A inquires of the management server 51 about the information about the wireless station 15, and based on the inquiry result from the management server 51, as shown in FIG. change the call sign aaa final destination area 4 of the terminal repeater station 31 _4, the source repeater call sign, it rewrites the call sign dddG the GW 41 _B of the destination zone B.
Furthermore, packetizes the modified communication frame as the destination IP address, the global IP address of GW41 _B (222.15.10.6), as the source IP address, the global IP address of GW41 _A (12.34.56 .78) is added, and the IP packet of FIG. 4C is generated and output on the Internet IN.

This IP packet is transferred over the Internet IN, it is received by the GW 41 _B zone B.

GW 41 _B removes the IP header to reproduce the communication packet shown in FIG. 4 (b), through a zone repeater 31 ₃ this, and outputs the main line ML of the zone B. This communication frame F is transferred over the main line ML, reaches the terminal repeater station 31 ₄ is wirelessly transmitted.

Radio station 15 ₄ discriminates that the self-addressed from the destination radio station call sign of the header part H of the communication frame F received, and reproduces the data part D, and reproduces the voice.

2) Next, from the radio station 15 ₁ of the area 1 in the same zone, the operation will be described to be transmitted to the radio station 15 ₂ of area 2.

User, a) as the destination repeater call sign, a call sign terminal repeater station 31 ₂ ccc, b) transmission of the area 1 as an original repeater call sign terminal repeater station 31 ₁ call sign bbb, c) transmission as previously radio station call sign, CCC is the call sign radio station 15 _2, d) inputting the call sign BBB radio station 15 ₁ as a source radio station call sign.

Radio station 15 ₁ generates a communication frame F having a header part H as shown in FIG. 5, and transmits to the terminal repeater station 31 _1. The terminal relay station 31 ₁ sends this to the trunk ML via the trunk relay station 32 ₁ from the transmission destination repeater call sign included in the header part H. Communication frame F is transferred to main line ML, the destination repeater call sign, and reaches the terminal repeater station 31 _2. Terminal repeater station 31 _2, the destination repeater call sign, takes in the communication frame F, and wirelessly transmits. Radio station 15 _2, the transmission destination radio station call sign contained in the header part H of the transmitted communication frame F is self call sign, receives this, to reproduce the sound from the communication frame F received. In this way, communication within the zone network 20 _A is performed.

3) Next, from the radio station 15 ₁ of the area 1 in the same zone, the operation will be described to be transmitted to the radio station 15 ₅ of the same area 1.
User, a) as the destination repeater call sign, a call sign terminal repeater station 31 ₁ bbb, b) transmission of the area 1 as an original repeater call sign terminal repeater station 31 ₁ call sign bbb, c) transmission as the call sign of the previous radio station, call sign ZZZ radio station 15 _5, d) inputting the call sign BBB radio station 15 ₁ as a source radio station call sign.

In response to this input, the radio station 15 ₁ generates a communication frame F having a header part H illustrated in FIG. 6, and transmits to the terminal repeater station 31 _1. Terminal repeater station 31 _1, from destination repeater call sign contained in the header part H, the communication frame F is determined to be used for areas 1 and wirelessly transmits the own area.

Radio station 15 _5, because the destination radio station call sign contained in the header part H of the transmitted communication frame F is self call sign, receives this, to reproduce the sound from the communication frame F received. In this way, communication within the same area is performed.

  As described above, according to the radio station 15 of this embodiment, when an immediate response is desired to CQ that is an unspecified station call from another radio station, or voice communication between other radio stations is performed. When you wish to communicate with one of the other radio stations as the other station, you can press the call sign setting button 10a and do not need to enter or select a call sign. Thus, it is possible to easily identify a communication destination and perform communication quickly.

  In the control information storage area of the RAM 6c, the control information (flag) of the received radio signal is stored in the order of reception every time the call sign setting button 10a is pressed, and the controller 6 sets the flag of the latest received radio signal. Then, after determining that the wireless signal is from the repeater, the same determination may be made based on a new wireless signal flag. When it is determined that the radio signal is from the repeater by the flag, the same determination is further performed by the flag of the new radio signal. Accordingly, the communication frame is generated by inserting the identification information of the wireless station included in the wireless signal having the latest wireless station as the transmission source as the identification information of the transmission destination wireless station.

  The timing at which the user presses the call sign setting button 10a is arbitrary. For example, when the call sign setting button 10a is pressed, the communication frame F may be generated based on the call sign extracted most recently. . In this case, for example, when a call sign is extracted, a time stamp is attached, and the old and new of the call sign is determined with reference to this. Alternatively, when the user presses the call sign setting button 10a, only when there is a signal being received, the communication frame F is generated based on the call sign included in the header portion of the signal. Also good.

  Further, only in the case of voice communication, the call sign may be extracted and the header portion H of the communication frame F may be generated. In this case, for example, when it is determined that the call sign setting button 10a is pressed, it is determined whether the communication content is data communication or voice communication, and in the case of voice communication, a transmission frame is generated. do it.

  Further, in the above embodiment, the call sign is extracted before the call sign setting button 10a is pressed. However, after detecting that the call sign setting button 10a is pressed, the call sign is extracted. You may do it.

  In the above embodiment, the reception target is one of the downlink channels, but the uplink channel or both may be received.

  Further, at the stage where the header information H is extracted, for example, as illustrated in FIG. 9, “Do you want to communicate with the wireless station that is currently receiving (receiving and playing back) communication?” Are displayed on the monitor 11 together with operation buttons (including icons) and the like, and a communication frame F is generated in response to an answer (button operation, icon operation, mouse operation, pad operation) to the message. May be.

  Further, in order to make the call sign setting easier, the call sign (call sign pair) extracted by the controller 6 is added to the above-mentioned call sign automatic setting function and stored in the RAM 6c to form a database. As shown in FIG. 10, the controller 6 may be set in the header portion H of the communication frame F in response to a selection operation from the operation unit 10 so that it can be displayed on the monitor screen 11 a or can be searched.

  The present embodiment is characterized in that a communication frame (particularly the header portion H) is generated by a simple operation. The configuration of the operation instruction means corresponding to the call sign setting button 10a is arbitrary, and the hardware The configuration is arbitrary as long as it can be instructed by simple one-touch, one-action operation, whether it is wear, software, button, icon, mouse, pad, switch, or key.

  For amateur radio, the default is that the contents of communication between other amateur radio stations can be received and reproduced, and the present invention is particularly effective. However, the present invention is not limited to this. If communication between others is received, identification information corresponding to a call sign is extracted from the received information, and a header part can be generated, the present invention can be applied to various communication methods. In the above embodiment, the call sign (identification information) of the transmission source in the received communication frame is extracted and set as the transmission partner, but the call sign (identification information) of the transmission destination in the received communication frame is set. It is also possible to extract and set as a transmission partner to generate a communication frame.

  Note that the controller 6, the transmission unit 3, the reception unit 4 and the like shown in FIG. 1 may be configured using a DSP (digital signal processor) or the like.

  In the above description, the example in which the GMSK modulation method is adopted as the signal modulation method for the wireless station to transmit and receive signals has been described. In practicing the present invention, other modulation schemes can be employed. In practicing the present invention, a QPSK modulation method and other modulation methods may be employed as a signal modulation method.

DESCRIPTION OF SYMBOLS 1 Antenna 2 Transmission / reception switching part 3 Transmission part 4 Reception part 5 Audio | voice A / D * D / A conversion part 6 Controller 6a CPU
6b ROM
6c RAM
7 Amplifier 8 Microphone 9 Speaker 10 Operation Unit 11 Monitor 11a Monitor Screen 16 Wireless Communication Device (Radio Device)

Claims (3)

Radio signal received from the radio station including the identification information about the radio station and the control information by the relay station, and the control information by the relay station using the relay station as the source Receiving means for receiving a radio signal from a relay station including:
Identification information extracting means for extracting identification information about the wireless station for each wireless signal received by the receiving means;
Control information extracting means for extracting control information by the relay station for each radio signal from the radio signal from the radio station and the radio signal from the relay station received by the receiving means;
Signal information storage means for storing at least two or more of each of the extracted identification information and each control information for each radio signal that is an extraction source;
An operation means that can be operated by a user and instructs generation of a communication frame when operated,
When receiving an instruction to create a communication frame from the operation unit, a radio signal having a radio station as a transmission source is determined from control information of each radio signal stored in the signal information storage unit, and the radio station is a transmission source. Communication frame generation means for generating the communication frame by inserting identification information included in the latest wireless signal among the determined wireless signals as identification information of a transmission destination wireless station;
A communication device characterized by comprising: The operating means includes means for responding to a pressing operation,
The communication frame generation means generates a communication frame in response to a user's pressing operation.
The communication device according to claim 1. On the computer,
Radio signal received from the radio station including the identification information about the radio station and the control information by the relay station, and the control information by the relay station using the relay station as the source Receiving a radio signal from a relay station including:
An identification information extracting step for extracting identification information about the radio station for each radio signal received from the radio station by the receiving means;
A control information extraction step for extracting control information by the relay station for each radio signal from the radio signal from the radio station and the radio signal from the relay station received in the reception step;
Signal information storing step for storing each extracted identification information and each control information for each radio signal that is an extraction source;
From the control information of each radio signal saved in the signal information saving step, the radio signal having the radio station as the transmission source is determined, and included in the latest radio signal among the radio signals determined to have the radio station as the transmission source A communication frame generating step of generating the communication frame by inserting identification information to be transmitted as identification information of a destination wireless station;
The communication control program characterized by performing this.

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