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JP4512424B2 - Communications system - Google Patents
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JP4512424B2 - Communications system - Google Patents

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JP4512424B2
JP4512424B2 JP2004167373A JP2004167373A JP4512424B2 JP 4512424 B2 JP4512424 B2 JP 4512424B2 JP 2004167373 A JP2004167373 A JP 2004167373A JP 2004167373 A JP2004167373 A JP 2004167373A JP 4512424 B2 JP4512424 B2 JP 4512424B2
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unit
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transmission output
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JP2005348238A (en
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一郎 松本
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Kokusai Denki Electric Inc
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Hitachi Kokusai Electric Inc
Kokusai Denki Electric Inc
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Description

本発明は、無線機の諸元を一つの無線機にソフトウエアをダウンロードすることにより変更可能なソフトウエア無線機とその通信システムに関するものである。   The present invention relates to a software defined radio capable of changing specifications of a radio set by downloading software to a single radio set and a communication system therefor.

従来、ソフトウエア無線機は、ソフトウエアをダウンロードをすることにより様々な仕様の無線機になりうるが、移動局によりシステムの構成の問題等により使用する無線機の諸元が異なりダウンロードによって使用できる無線設備の仕様が異なる。このため、移動局が通信をする場合、相手の搭載するシステムの環境が分からない。また、移動局間の距離によって使用する周波数帯は出力パワーにも制約がかかるため互いの環境を考慮した通信経路の確保が困難であるという問題があった。   Conventionally, software radios can be converted into radios with various specifications by downloading software, but the specifications of radios used differ depending on the system configuration depending on the mobile station and can be used by downloading. Radio equipment specifications are different. For this reason, when a mobile station communicates, the environment of the system which the other party carries is unknown. In addition, there is a problem that it is difficult to secure a communication path considering each other's environment because the output power of the frequency band used depending on the distance between the mobile stations is also limited.

また、特開平7−159506号公報には、端末装置間の距離に応じて衛星を経由して相手先端末と通信するか、直接相手先端末と通信するかを切り替え、効率的な電力消費を行うことができる衛星データ通信端末装置を提供することを目的とする技術が開示されている。
特開平7−159506号公報
Japanese Patent Laid-Open No. 7-159506 switches between communicating with a partner terminal via a satellite or directly communicating with a partner terminal in accordance with the distance between the terminal devices, so that efficient power consumption is achieved. Techniques aimed at providing a satellite data communication terminal device that can be performed are disclosed.
JP 7-159506 A

本発明は、移動無線機間のお互いの環境を考慮した通信経路の確保が困難であるという課題を解決するために、通信情報に位置情報、移動局が備える設備情報、出力パワー情報を備えることにより、通信する相手の仕様と距離により最適な環境を自動的に割り出し通信できる通信システムを提供することが、本発明の課題である。   In order to solve the problem that it is difficult to secure a communication path in consideration of the mutual environment between mobile radios, the present invention includes position information, equipment information provided in a mobile station, and output power information in communication information. Thus, it is an object of the present invention to provide a communication system capable of automatically determining and communicating the optimum environment according to the specification and distance of the other party to communicate.

本発明は、無線機の諸元を一つの無線機にソフトウエアをダウンロードすることにより変更可能な、無線機とその通信システムにおいて、GPSアンテナと、前記GPSアンテナからの位置情報を受信するGPS受信機と、変調波を送受信するアンテナと、受信信号と送信信号を分けるデュプレクサと、データ信号を変調し送信する送信部と、変調波を復調する受信部と、装置の通信諸元を変更するためのソフトウエアを記憶するメモリと、マイク、スピーカ、データ入出力機器と接続する接合部を持つ入出力部と、自局や通信先相手局の位置情報や、送信出力情報を表示する表示部と、前記GPS受信機からの位置情報から自局位置情報を得て、受信部からの受信信号から相手局位置情報、自局設備情報、相手局設備情報から最適な通信諸元のソフトウエアを該メモリからダウンロードさせ、該入出力部とデータのやりとりを行い、入力データは制御データと共に該送信部に送り、必要な情報を該表示部に表示させる制御部とを備えたことを特徴としている。   The present invention relates to a radio device and a communication system thereof that can change the specifications of the radio device by downloading software to one radio device, and a GPS receiver that receives position information from the GPS antenna. To change the communication specifications of the device, the antenna for transmitting and receiving the modulated wave, the duplexer for separating the received signal and the transmitted signal, the transmitting unit for modulating and transmitting the data signal, the receiving unit for demodulating the modulated wave, and the device A memory for storing the software, an input / output unit having a joint for connecting to a microphone, a speaker, and a data input / output device, a display unit for displaying position information of the own station or a communication partner station, and transmission output information The local station position information is obtained from the position information from the GPS receiver, and the optimum communication information is obtained from the partner station position information, the host station equipment information, and the partner station equipment information from the received signal from the receiver. A control unit that downloads software from the memory, exchanges data with the input / output unit, sends input data to the transmission unit together with control data, and displays necessary information on the display unit It is characterized by.

本発明により、ソフトウエア無線機を装備する移動局間で互いの装備を操作員が把握しなくとも位置情報等を含む伝送フレーム情報から互いに装備する最適な無線設備をソフトウエアダウンロードし、使用できるため非常に大きな効果がある。   According to the present invention, it is possible to download and use the optimum radio equipment equipped with each other from the transmission frame information including the position information etc. without the operator having to grasp each other's equipment between the mobile stations equipped with the software radio. Therefore, it has a very big effect.

本発明における移動機の一実施例の動作を図1から図7を用いて説明する。図1において、1−1はアンテナ、1−2はデュプレクサ、1−3は送信部、1−4は受信部、1−5は制御部、1−6はGPSアンテナ、1−7はGPS受信機、1−8はメモリ、1−9は表示部、1−10は入出力部である。     The operation of one embodiment of the mobile device according to the present invention will be described with reference to FIGS. In FIG. 1, 1-1 is an antenna, 1-2 is a duplexer, 1-3 is a transmission unit, 1-4 is a reception unit, 1-5 is a control unit, 1-6 is a GPS antenna, and 1-7 is GPS reception. 1-8 is a memory, 1-9 is a display unit, and 1-10 is an input / output unit.

図2は、図1の本発明の通信システムを備えた移動局1、移動局2の位置関係を示しており、それぞれの位置情報をPos.A、Pos.B、距離をLとしている。   FIG. 2 shows the positional relationship between the mobile station 1 and the mobile station 2 equipped with the communication system of the present invention shown in FIG. A, Pos. B, the distance is L.

図3は、本発明の通信システムで使用する伝送フレームの構成の一実施例である。ここでは、例として、受信時に同期処理を行うための同期情報、通信先移動局の位置情報、設備情報、出力パワー情報から構成される制御データ1、データ、その他の制御情報を含む制御データ2とから構成される。前記設備情報とは、使用可能な通信方式の諸元のリストであり、諸元としては、キャリア周波数、変調方式、誤り訂正方式、ビットレート等がある。   FIG. 3 shows an example of the structure of a transmission frame used in the communication system of the present invention. Here, as an example, control data 1 including synchronization information for performing synchronization processing at the time of reception, position information of a communication destination mobile station, facility information, output power information, data, and control data 2 including other control information It consists of. The facility information is a list of specifications of usable communication methods, and examples of the items include a carrier frequency, a modulation method, an error correction method, and a bit rate.

図4は、図3に示す伝送フレーム構成の制御データの一実施例である。ここでは、例として、通信先移動局がGPSからの位置情報から得た位置情報と、装備する設備情報と、送信しているパワー情報と、から構成されている。   FIG. 4 is an example of control data having the transmission frame configuration shown in FIG. Here, as an example, it is composed of position information obtained from the position information from the GPS by the communication destination mobile station, installed equipment information, and transmitting power information.

図5、図6は、それぞれ図2の構成にある、移動局1および移動局1が搭載する無線設備情報等である。距離は図2の構成にある距離L、設備情報はその移動局がソフトウエアのダウンロードにより運用可能な設備情報、出力は送信機が出力可能な送信出力情報である。   5 and 6 show the mobile station 1 and the radio equipment information mounted on the mobile station 1 in the configuration of FIG. The distance is the distance L in the configuration of FIG. 2, the equipment information is equipment information that the mobile station can operate by downloading software, and the output is transmission output information that can be output by the transmitter.

図7は、本発明の移動局1、2が移動局間の距離Lによってソフトウエアのダウンロードにより設備を更新し通信を行うことを説明するフローチャートである。   FIG. 7 is a flowchart for explaining that the mobile stations 1 and 2 according to the present invention perform communication by updating equipment by downloading software according to the distance L between the mobile stations.

図1において、GPSアンテナ1−6とGPS受信機1−7でGPSから位置情報を受信し、自局の位置データを得る。アンテナ1−1、デュプレクサ1−2、受信部1−4で通話先局の信号を受信する。受信された信号は制御部1−5でチャネルコーディングされ、データがフレーム構成に分割される。このGPS受信機1−7からの位置情報と図5、図6に示す自局の設備情報、そして、図4の通話先移動機の位置情報、設備情報から移動局間で使用できる最適の通信諸元を決定する。制御部1−5では入出力部1−10からの音声やデータ情報と、自局の位置情報等をチャネルコーディングし、送信部1−3からの制御により予めダウンロードする通信方式を記憶してあるメモリ1−8からダウンロードすることで移動機の通信諸元が変更される。表示部1−9では自局、および通信先の移動局の位置情報や設備情報、出力情報等が表示される。   In FIG. 1, a GPS antenna 1-6 and a GPS receiver 1-7 receive position information from GPS, and obtain position data of the own station. The antenna 1-1, the duplexer 1-2, and the receiving unit 1-4 receive the signal of the called station. The received signal is channel-coded by the control unit 1-5, and the data is divided into frame structures. Optimal communication that can be used between the mobile stations based on the position information from the GPS receiver 1-7, the equipment information of the own station shown in FIGS. 5 and 6, and the position information and equipment information of the called mobile device shown in FIG. Determine the specifications. The control unit 1-5 stores the communication method in which the voice and data information from the input / output unit 1-10 and the position information of the own station are channel-coded and downloaded in advance by the control from the transmission unit 1-3. The communication specifications of the mobile device are changed by downloading from the memory 1-8. The display unit 1-9 displays position information, facility information, output information, and the like of the own station and the mobile station that is the communication destination.

次に、図7のフローチャートを用いて移動局1、2が移動局間の距離Lによってソフトウエアのダウンロードにより設備を更新し通信を行うことを説明する。最初に手動または予め定めておいた初期通信状態で通信経路を確保する。移動局が互いに自局の情報を制御データ1に設定し通信を開始する。次に自局の位置情報Pos.AをGPSから取得する。次に通信にて受信した制御データ1から通話先移動局の位置情報Pos.Bを取得する。そして、自局と通話先移動局との距離を算出し、受信した相手局の設備情報、出力パワー情報から通信を行う設備(通信諸元)を決定し、ソフトウエアのダウンロードを行い、システムを切替える。切替えた設備情報や出力パワー情報を通話先に通知する。通話を行っている間も移動局は互いに移動をする可能性があり、距離は近づいたり、離れたりする。その距離を算出し、設備(通信諸元)の変更が生じた場合はその条件での最適のソフトウエアをダウンロードし、システムを自動的に切替えながら通信終了まで運用する。   Next, using the flowchart of FIG. 7, it will be described that the mobile stations 1 and 2 perform communication by updating equipment by downloading software according to the distance L between the mobile stations. First, the communication path is secured manually or in a predetermined initial communication state. The mobile stations mutually set their own information in the control data 1 and start communication. Next, the location information Pos. Get A from GPS. Next, from the control data 1 received by communication, the location information Pos. B is acquired. Then, calculate the distance between the local station and the destination mobile station, determine the equipment (communication specifications) to communicate from the received equipment information and output power information of the other station, download the software, Switch. Notify the callee of the switched equipment information and output power information. The mobile stations may move relative to each other while making a call, and the distance may approach or depart. The distance is calculated, and when there is a change in equipment (communication specifications), the optimum software under that condition is downloaded and operated until the end of communication while automatically switching the system.

以上のような処理により、ソフトウエア無線機を装備する移動局間で互いの装備を操作員が把握しなくとも、位置情報等を含む伝送フレーム情報から互いに装備する最適な無線設備をソフトウエアダウンロードすることが可能となる。   Through the above process, the optimal radio equipment equipped with each other can be downloaded from the transmission frame information including position information without the operator having to know each other's equipment between the mobile stations equipped with the software radio. It becomes possible to do.

本発明の活用例として、ソフトウエア無線通信システムに活用することができる。   As an application example of the present invention, it can be used in a software radio communication system.

本発明の移動機の一実施例An embodiment of the mobile device of the present invention 移動局間の距離Distance between mobile stations 伝送フレーム構成の一実施例Example of transmission frame configuration 制御データ1の構成の一実施例An example of the configuration of the control data 1 移動局1のシステムMobile station 1 system 移動局2のシステムMobile station 2 system 本発明の一実施例を説明するフローチャートThe flowchart explaining one Example of this invention 本発明の一実施例を説明するフローチャートThe flowchart explaining one Example of this invention

符号の説明Explanation of symbols

1−1 アンテナ
1−2 デュプレクサ
1−3 送信部
1−4 受信部
1−5 制御部
1−6 GPSアンテナ
1−7 GPS受信機
1−8 メモリ
1−9 表示部
1−10 入出力部
1-1 Antenna 1-2 Duplexer 1-3 Transmitter 1-4 Receiver 1-5 Control Unit 1-6 GPS Antenna 1-7 GPS Receiver 1-8 Memory 1-9 Display Unit 1-10 Input / Output Unit

Claims (1)

ソフトウエア無線機と他のソフトウエア無線機間で通信を行う通信システムにおいて、
ソフトウエア無線機は、アンテナ部と、送信信号と受信信号とを分けるデュプレクサ部と送信部と、受信部と、GPS受信部と、GPSアンテナ部と、制御部と、メモリ部と、表示部と、入出力部とを有し、
前記制御部は、前記GPSアンテナ部を介して前記GPS受信部で取得した位置情報と、予め定めておいた初期通信状態で他のソフトウエア無線機と通信を行って他のソフトウエア無線機から他のソフトウエア無線機の位置情報と設備情報であるキャリア周波数と変調方式と誤り訂正方式およびビットレートと、前記送信部が出力可能な送信出力情報とを取得し、ソフトウエア無線機と他のソフトウエア無線機の距離に応じた最適の設備情報と送信出力情報をソフトウエア無線機および他のソフトウエア無線機が互いに自局の前記メモリ部から読出し、該読出した設備情報と送信出力情報で互いに自局のキャリア周波数、変調方式、誤り訂正方式、ビットレート、送信出力を自動的に切替え、該切替えた自局の設備情報と送信出力情報を他局に通知し、
前記表示部は、自局の設備情報と送信出力情報および通知された他局の設備情報と送信出力情報から、自局と他局のキャリア周波数、変調方式、誤り訂正方式、ビットレート、送信出力を表示することを特徴とする通信システム。
In communication systems that communicate between software defined radios and other software defined radios,
The software defined radio includes an antenna unit, a duplexer unit that separates a transmission signal and a reception signal , a transmission unit, a reception unit, a GPS reception unit, a GPS antenna unit, a control unit, a memory unit, and a display unit. And an input / output unit,
The control unit communicates with other software defined radios in the initial communication state determined by the position information acquired by the GPS receiving unit via the GPS antenna unit and from other software defined radios. acquires the position information of the other software radio, a carrier frequency is a facility information and modulation scheme and error correcting scheme and the bit rate, the transmitting unit and a possible transmission output information output, software radio and other The software radio and the other software radio read out the optimum equipment information and transmission output information corresponding to the distance of the software radio from the memory unit of their own station, and the read equipment information and transmission output information carrier frequency in the local station to each other, modulation scheme, error correction scheme, bit rate, automatically switches the transmission output, the other facility information and the transmission output information of its own station for changing該切Notify the,
The display unit, from its own equipment information and transmission output information, and the notified other station equipment information and transmission output information, from its own station and other station carrier frequency, modulation method, error correction method, bit rate, transmission output The communication system characterized by displaying.
JP2004167373A 2004-06-04 2004-06-04 Communications system Expired - Fee Related JP4512424B2 (en)

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Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07159506A (en) * 1993-12-02 1995-06-23 Matsushita Electric Ind Co Ltd Satellite data communication terminal
GB2294844B (en) * 1994-11-07 1999-05-26 Motorola Inc Communications operating system and method therefor
JPH11285066A (en) * 1998-03-27 1999-10-15 Kokusai Electric Co Ltd Mobile communication device
WO2001048997A1 (en) * 1999-12-28 2001-07-05 Ntt Docomo, Inc. Radio communication method and radio station
JP2002199451A (en) * 2000-12-26 2002-07-12 Sharp Corp Software Defined Radio Terminal
FR2842984B1 (en) * 2002-07-25 2004-09-17 Nec Technologies Uk Ltd METHOD AND DEVICE FOR SELECTING TELECOMMUNICATION NETWORKS
JP2004334736A (en) * 2003-05-12 2004-11-25 Hitachi Kokusai Electric Inc Software defined radio terminal and software communication method

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