JPH0548522A - Mobile communication system - Google Patents
Mobile communication systemInfo
- Publication number
- JPH0548522A JPH0548522A JP3205946A JP20594691A JPH0548522A JP H0548522 A JPH0548522 A JP H0548522A JP 3205946 A JP3205946 A JP 3205946A JP 20594691 A JP20594691 A JP 20594691A JP H0548522 A JPH0548522 A JP H0548522A
- Authority
- JP
- Japan
- Prior art keywords
- base station
- mobile terminal
- receiving
- receiving base
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
(57)【要約】
【目的】 情報量に見合った無線回線を選択可能とす
る。
【構成】 移動端末１１からの発信時においては、交換
局１４は受信基地局選択部(143) により移動端末１１を
カバ−する最適な受信基地局を選択し、移動端末管理テ
−ブル142 より移動端末１１の受信方式を読み出し、先
に選択した受信基地局識別情報と移動端末１１の受信方
式情報を基に送受基地局対応テ−ブル141 より送信基地
局１３を選択し、移動端末１１への着信時においては、
交換局１４は移動端末管理テ−ブル142 より移動端末１
１をカバ−する受信基地局の識別情報と移動端末１１の
受信エアインタフェ−ス種別の情報を読み出し、当該情
報を基に送受基地局対応テ−ブル141より送信基地局１
３を選択し、当該送信基地１３より移動端末１１に着呼
信号を送出し、その応答信号を基に受信基地局選択部(1
43) により受信基地局を選択する。
(57) [Summary] [Purpose] It is possible to select a wireless line that matches the amount of information. [Structure] At the time of transmission from the mobile terminal 11, the exchange 14 selects the optimum reception base station that covers the mobile terminal 11 by means of the reception base station selector (143), and the mobile terminal management table 142 The reception system of the mobile terminal 11 is read out, the transmission base station 13 is selected from the transmission / reception base station correspondence table 141 based on the previously selected reception base station identification information and the reception system information of the mobile terminal 11, and is sent to the mobile terminal 11. When you receive
The switching center 14 uses the mobile terminal management table 142 to move the mobile terminal 1
1 is read out and the information of the reception air interface type of the mobile terminal 11 is read out, and the transmission base station 1 is transmitted from the transmission / reception base station correspondence table 141 based on the information.
3 is selected, the incoming call signal is sent from the transmission base 13 to the mobile terminal 11, and the receiving base station selection unit (1
43) Select the receiving base station by.
Description
【０００１】[0001]
【産業上の利用分野】本発明は、移動端末と固定端末あ
るいは移動端末相互間で信号の授受を行う移動体通信方
式に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile communication system for exchanging signals between a mobile terminal and a fixed terminal or between mobile terminals.
【０００２】[0002]
【従来の技術】図２は、従来の移動体通信方式を採用し
た自動車電話方式の構成例を示す図である。図２におい
て、１は無線送受信機を有する移動端末、２−１，２−
２，…は移動端末１との間で無線回線を確立する無線基
地局、３は移動通信網と固定電話網との回線接続を行う
交換局、４は公衆網、５は固定端末、すなわち電話であ
る。また、各無線基地局２−１，２−２，…は、送信部
Ｔｘ、受信部Ｒｘ並びにこれらの情報授受の制御を行う
制御部contから構成されている。2. Description of the Related Art FIG. 2 is a diagram showing a configuration example of a car telephone system adopting a conventional mobile communication system. In FIG. 2, reference numeral 1 denotes a mobile terminal having a wireless transceiver, 2-1 and 2-
2, ... A radio base station that establishes a radio line with the mobile terminal 1, 3 is a switching center for connecting a line between a mobile communication network and a fixed telephone network, 4 is a public network, 5 is a fixed terminal, that is, a telephone. Is. Each of the radio base stations 2-1, 2-2, ... Is composed of a transmission unit Tx, a reception unit Rx, and a control unit cont for controlling exchange of these information.
【０００３】このような構成において、移動端末１に呼
が発生した場合、移動端末１は、例えば無線基地局２−
１との間で制御信号の授受を行い、上下回線からなる無
線回線を確立する。また、無線基地局２−１は、交換局
３と制御信号の授受を行い、交換局３を介して相手固定
端末（電話）５との間に通話回線を確立する。In such a configuration, when a call is made to the mobile terminal 1, the mobile terminal 1 is connected to the radio base station 2-
Control signals are exchanged with 1 to establish a wireless line composed of upper and lower lines. In addition, the radio base station 2-1 exchanges control signals with the exchange 3 and establishes a communication line with the other party fixed terminal (telephone) 5 via the exchange 3.
【０００４】固定端末５から移動端末１への着信につい
ては、固定端末５からの呼は、この固定端末５が属して
いる交換局３に接続される。交換局３は、無線基地局２
−１を介して移動端末１を呼び出し、制御信号の授受を
行うことによって、移動端末１との間に無線回線を確立
する。For an incoming call from the fixed terminal 5 to the mobile terminal 1, the call from the fixed terminal 5 is connected to the exchange 3 to which the fixed terminal 5 belongs. The exchange 3 is the radio base station 2
A wireless line is established with the mobile terminal 1 by calling the mobile terminal 1 via -1 and exchanging control signals.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記従
来の方式では、上下回線のエアインタフェ−ス種別は固
定であり、基地局には上下回線一体で収容されている。
そのため、送受回線で必要とする伝送速度が全く異なっ
ていても、必要とする伝送速度に見合った回線を選択す
ることができず、無線回線を無駄に使用することにな
る。However, in the above-mentioned conventional method, the type of air interface for the up and down lines is fixed, and the base station accommodates the up and down lines integrally.
Therefore, even if the transmission speed required for the transmission and reception lines is completely different, it is not possible to select a line that matches the required transmission speed, and the wireless line is wasted.
【０００６】また、下り回線は広いエリアで移動端末１
を呼び出し、上り回線は狭いエリアとすることができ
ず、移動端末１に対して信号を送りたいエリアの広さに
見合った下り回線の基地局と移動端末１の送信出力に応
じた上り回線の基地局を選択できない。[0006] In addition, the downlink is a mobile terminal 1 in a wide area.
The uplink cannot be made into a narrow area, and the base station of the downlink corresponding to the size of the area where the signal is desired to be sent to the mobile terminal 1 and the uplink of the uplink corresponding to the transmission output of the mobile terminal 1 Cannot select base station.
【０００７】本発明は、かかる事情に鑑みてなされたも
のであり、その目的は、無線回線の上下回線で送る情報
量に見合った無線回線を選択可能とし、移動端末に対し
て信号送出エリアの広さに見合った下り回線の基地局と
移動端末の送信出力に応じた上り回線の基地局を選択可
能とする移動体通信方式を提供することにある。The present invention has been made in view of the above circumstances, and an object thereof is to make it possible to select a wireless line corresponding to the amount of information to be sent in the upper and lower lines of the wireless line and to select a signal transmission area for a mobile terminal. It is an object of the present invention to provide a mobile communication system capable of selecting a downlink base station suitable for the area and an uplink base station according to the transmission output of a mobile terminal.
【０００８】[0008]
【課題を解決するための手段】上記目的を達成するた
め、本発明では、複数の周波数帯を有し、各周波数帯別
にエアインタフェ−スおよび移動端末からの上り回線で
あるか下り回線であるかが決定される移動体通信方式に
おいて、１つの上り回線の周波数帯の信号を受信可能で
移動端末の送信出力に応じた距離間隔で配置された受信
基地局と、１つの下り回線の周波数帯の信号を送信可能
で少なくとも１つの受信基地局をカバ−するように送信
出力と配置が決定された送信基地局と、送信基地局およ
び受信基地局と回線で接続され、各基地局との間で信号
の授受を行うと共に、ネットワ−クを介して固定端末ま
たは移動端末との間で通信回線を確立する交換局とを備
え、かつ、前記交換局には、移動端末をカバ−する最適
な受信基地局を検出すると共に、その受信基地局識別情
報を記憶・管理する受信基地局選択部と、受信基地局と
当該受信基地局をカバ−する送信基地局の対応関係を送
信基地局の送信エアインタフェ−ス別に記憶する送受基
地局対応テ−ブルと、各移動端末対応に当該移動端末を
カバ−する送信基地局と移動端末の受信エアインタフェ
−ス種別を記憶する移動端末管理テ−ブルとを設け、移
動端末からの発信時において、交換局は受信基地局選択
部により移動端末をカバ−する最適な受信基地局を選択
し、移動端末管理テ−ブルより移動端末の受信方式を読
み出し、先に選択した受信基地局識別情報と移動端末の
受信方式情報を基に送受基地局対応テ−ブルより送信基
地局を選択し、移動端末への着信時において、交換局は
移動端末管理テ−ブルより移動端末をカバ−する受信基
地局の識別情報と移動端末の受信エアインタフェ−ス種
別の情報を読み出し、当該情報を基に送受基地局対応テ
−ブルより送信基地局を選択し、当該送信基地局より移
動端末に着呼信号を送出し、その応答信号を基に受信基
地局選択部により受信基地局を選択するようにした。In order to achieve the above object, the present invention has a plurality of frequency bands, and each frequency band is an uplink or downlink from an air interface and a mobile terminal. In a mobile communication system in which whether or not is determined, receiving base stations capable of receiving signals in one uplink frequency band and arranged at distance intervals according to the transmission output of the mobile terminal, and one downlink frequency band Between the transmission base station, which is capable of transmitting the above signal and whose transmission output and arrangement are determined so as to cover at least one reception base station, and the transmission base station and the reception base station are connected by a line. An exchange that establishes a communication line with a fixed terminal or a mobile terminal via a network and exchanges signals with each other, and the exchange has the optimum mobile terminal coverage. Detect receiving base station In addition, the correspondence relationship between the receiving base station selecting unit that stores and manages the receiving base station identification information and the receiving base station and the transmitting base station that covers the receiving base station is described for each transmitting air interface of the transmitting base station. A mobile terminal management table that stores the transmission / reception base station correspondence table, a transmission base station that covers the mobile terminal and a mobile terminal management table that stores the reception air interface type of the mobile terminal are provided for each mobile terminal. At the time of transmission from the terminal, the exchange selects the optimal receiving base station that covers the mobile terminal using the receiving base station selection unit, reads the receiving method of the mobile terminal from the mobile terminal management table, and selects it first. Based on the receiving base station identification information and the receiving method information of the mobile terminal, the transmitting base station is selected from the table for transmitting and receiving base stations, and when the mobile terminal receives a call, the switching center uses the mobile terminal management table to display the mobile terminal. To Read the identification information of the receiving base station and the receiving air interface type information of the mobile terminal, select the transmitting base station from the table corresponding to the transmitting / receiving base station based on the information, and move from the transmitting base station. The incoming call signal is sent to the terminal, and the receiving base station selecting unit selects the receiving base station based on the response signal.
【０００９】[0009]
【作用】本発明によれば、移動端末からの発信時におい
ては、移動端末の送信部から発呼信号が送出され、この
発呼信号は受信基地局に受信される。受信基地局は、空
きチャネルを読み出し移動端末に対して受信チャネルを
確保すると共に、移動端末のアドレス番号と相手端末の
アドレス番号などを含む発呼信号を交換局に送出する。According to the present invention, when the mobile terminal originates a call, a call signal is transmitted from the transmitter of the mobile terminal, and the call signal is received by the receiving base station. The receiving base station reads an empty channel, secures the receiving channel for the mobile terminal, and sends a call signal including the address number of the mobile terminal and the address number of the partner terminal to the exchange.
【００１０】交換局は、受信基地局からの発呼信号を基
に移動端末をカバ−する最適な受信基地局を選択し、こ
の受信基地局を指定する。また、交換局は、相手端末と
の間に通信回線を確立すると共に、受信基地局をカバ−
する送信基地局を送受基地局対応テ−ブルより読み出
し、移動端末のアドレス番号と移動端末に対して割り当
てた受信チャネル番号と受信基地局番号を含む発呼応答
信号を送出する。The switching center selects the optimum receiving base station for covering the mobile terminal based on the calling signal from the receiving base station, and designates this receiving base station. The exchange also establishes a communication line with the other terminal and covers the receiving base station.
The transmitting base station is read from the table for transmitting and receiving base stations, and a call response signal including the address number of the mobile terminal, the receiving channel number and the receiving base station number assigned to the mobile terminal is transmitted.
【００１１】送信基地局は、空きチャネルを読み出し、
移動端末に対して送信チャネルを確保すると共に、送信
チャネル番号を付加した発呼応答信号を送出する。移動
端末は、割り当てられた受信チャネルと送信チャネルを
使用して相手端末との間で情報の授受を行う。The transmitting base station reads an empty channel,
A transmission channel is secured for the mobile terminal and a call response signal with a transmission channel number is transmitted. The mobile terminal exchanges information with the partner terminal using the assigned reception channel and transmission channel.
【００１２】また、移動端末への着信時においては、相
手端末からの移動端末への着呼信号が交換局に受信され
る。交換局は、移動端末管理テ−ブルよりその移動端末
をカバ−する送信基地局と移動端末の受信エアインタフ
ェ−ス種別を読み出し、送信基地局および通信制御チャ
ネルを介し移動端末に対して移動端末のアドレス情報を
含む着呼信号を送出する。When the mobile terminal receives an incoming call, an incoming call signal from the partner terminal to the mobile terminal is received by the exchange. The switching center reads out the transmitting base station covering the mobile terminal and the receiving air interface type of the mobile terminal from the mobile terminal management table, and sends the mobile terminal to the mobile terminal via the transmitting base station and the communication control channel. The incoming call signal including the address information of
【００１３】自アドレス情報を含む着呼信号を受信した
移動端末は、自アドレス情報を含む着呼応答信号を送出
する。着呼応答信号を受信した受信基地局は、割当可能
受信チャネル番号、レベル情報および受信基地局番号な
どを付加して着呼応答信号を交換局に送出する。交換局
は、着呼応答信号より移動端末をカバ−する最適受信基
地局を選択し、この受信基地局を指定すると共に、送信
基地局に受信基地局番号と受信チャネル情報を含むチャ
ネル指定信号を送出する。The mobile terminal receiving the incoming call signal containing its own address information sends out an incoming call response signal containing its own address information. The receiving base station that has received the incoming call response signal adds the allocatable receiving channel number, level information, and the receiving base station number and sends the incoming call response signal to the exchange. The switching center selects the optimum receiving base station that covers the mobile terminal from the incoming call response signal, specifies this receiving base station, and at the same time sends a channel specifying signal containing the receiving base station number and the receiving channel information to the transmitting base station. Send out.
【００１４】送信基地局は、空きチャネルを読み出し、
受信したチャネル指定信号に割当送信チャネル番号を付
加してチャネル指定信号を送出する。移動端末は、割り
当てられた受信チャネルと送信チャネルを使用して相手
端末との間で情報の授受を行う。The transmitting base station reads an empty channel,
The assigned transmission channel number is added to the received channel designation signal and the channel designation signal is transmitted. The mobile terminal exchanges information with the partner terminal using the assigned reception channel and transmission channel.
【００１５】[0015]
【実施例】図１は、本発明に係る移動体通信方式を採用
した通信システムの一実施例を示す構成図である。図１
において、１１は移動端末、１２−１（-1,-2 ）、１２
−２（-1〜-8）は受信基地局、１３は送信基地局、１４
は回線交換局、１５は公衆網、１６は固定端末である。
なお、本実施例においては、移動端末１１からの送信エ
アインタフェ−ス種別として ・［エアインタフェ−ス種別Ｓ1 ］周波数帯；800MHz、
変調方式；PSK 、伝送速度；1200bps 、etc. ・［エアインタフェ−ス種別Ｓ2 ］周波数帯；1.5GHz、
変調方式；QPSK、伝送速度；64Kbps、etc. 移動端末１１への受信エアインタフェ−ス種別として ・［エアインタフェ−ス種別Ｒ1 ］周波数帯；250MHz、
変調方式；QPSK、伝送速度；9600bps 、etc.を有する。1 is a block diagram showing an embodiment of a communication system adopting a mobile communication system according to the present invention. Figure 1
, 11 is a mobile terminal, 12-1 (-1, -2), 12
-2 (-1 to -8) is a receiving base station, 13 is a transmitting base station, 14
Is a circuit switching station, 15 is a public network, and 16 is a fixed terminal.
In the present embodiment, as the type of air interface transmitted from the mobile terminal 11, [[air interface type S1] frequency band: 800 MHz,
Modulation method: PSK, transmission rate: 1200 bps, etc. [Air interface type S2] Frequency band: 1.5 GHz,
Modulation method: QPSK, transmission rate: 64 Kbps, etc. As a reception air interface type for the mobile terminal 11 [Air interface type R1] frequency band: 250 MHz,
Modulation method: QPSK, transmission rate: 9600 bps, etc.
【００１６】移動端末１１は、エアインタフェ−ス種別
Ｓ1 対応で送信出力100mW の送信部(Tx2')111 と、エア
インタフェ−ス種別Ｒ1 対応の受信部(Rx1')112 と、こ
れら送信部111 ，受信部112 に対するチャネルの割り当
てなどの制御を行う制御部(cont)113 とからなり、か
つ、送信基地局１３のＩＤを記憶しておく管理テ−ブル
を有している。The mobile terminal 11 supports the air interface type S1 and has a transmission output of 100 mW (Tx2 ') 111, the air interface type R1 compatible receiving unit (Rx1') 112, and these transmission units 111. , A control unit (cont) 113 for controlling the allocation of channels to the reception unit 112, and has a management table for storing the ID of the transmission base station 13.
【００１７】受信基地局12-1-1,12-1-2 は、エアインタ
フェ−ス種別Ｓ1 対応の１つまたは複数の共通制御チャ
ネルと、１つまたは複数の通信用チャネルとを備え、受
信チャネルを管理する受信チャネル管理テ−ブルを有す
ると共に、受信した信号の受信レベル情報を測定する機
能を有している。The receiving base stations 12-1-1 and 12-1-2 include one or a plurality of common control channels corresponding to the air interface type S1 and one or a plurality of communication channels, and receive the signals. It has a reception channel management table for managing channels and a function for measuring reception level information of a received signal.
【００１８】受信基地局12-2-1〜12-2-8は、エアインタ
フェ−ス種別Ｓ2 対応の１つまたは複数の共通制御チャ
ネルと、１つまたは複数の通信用チャネルとを備え、送
信チャネルを管理する送信チャネル管理テ−ブルを有し
ている。The receiving base stations 12-2-1 to 12-2-8 are provided with one or a plurality of common control channels corresponding to the air interface type S2 and one or a plurality of communication channels for transmission. It has a transmission channel management table for managing channels.
【００１９】送信基地局１３は、エアインタフェ−ス種
別Ｒ1 対応の１つまたは複数の共通制御チャネルと、１
つまたは複数の通信用チャネルとを備えている。The transmitting base station 13 has one or more common control channels corresponding to the air interface type R1 and one or more common control channels.
And one or more communication channels.
【００２０】回線交換局１４は、移動端末１１の受信エ
アインタフェ−ス種別別に受信基地局12-1-1,12-1-2 ,1
2-2-1 〜12-2-8をカバ−する送信基地局１３の対応関係
を管理する送受基地局対応テ−ブル141 （図３）と、移
動端末１１対応に端末のＩＤと移動端末１１をカバ−す
る送信基地局１３と受信エアインタフェ−ス種別を管理
する移動端末管理テ−ブル142 （図４）と、各受信基地
局12-1-1,12-1-2,12-2-1 〜12-2-8からの信号内容を解
析する機能、送信基地局１３に対する制御信号のフォ−
マットを生成して送信する機能、移動端末１１からの信
号を受信した受信基地局と受信基地局で付加された受信
レベル情報を基に移動端末１１の位置を選択する機能お
よび固定端末１６との間で信号の授受を行い通信回線を
確立する機能を有する制御部143 と、制御部143 により
制御される各受信基地局12-1-1,12-1-2 ,12-2-1 〜12-2
-8対応にトラヒック信号および制御信号の授受を行うフ
ロントエンドプロセッサ(FEP-R)144と、送信基地局１３
対応のフロントエンドプロセッサ(FEP-S)145と、固定端
末１６対応のフロントエンドプロセッサ(FEP-F)146と、
フロントエンドプロセッサ144 および145 とフロントエ
ンドプロセッサ146間の接続切り替えを行うスイッチ
（ＳＷ）147 とを備えている。なお、制御部143 が受信
基地局選択部としての機能を併せもっている。The circuit switching station 14 receives the receiving base stations 12-1-1, 12-1-2, 1 according to the receiving air interface type of the mobile terminal 11.
A transmission / reception base station correspondence table 141 (FIG. 3) that manages the correspondence relation of the transmission base station 13 that covers 2-2-1 to 12-2-8, and the terminal ID and the mobile terminal corresponding to the mobile terminal 11. 11 and a mobile terminal management table 142 (FIG. 4) for managing the type of receiving air interface, and the receiving base stations 12-1-1, 12-1-2, 12-. Function for analyzing signal contents from 2-1 to 12-2-8, forwarding of control signal to transmitting base station 13
The function of generating and transmitting a mat, the function of selecting the position of the mobile terminal 11 based on the reception base station that has received the signal from the mobile terminal 11 and the reception level information added by the reception base station, and the fixed terminal 16 A control unit 143 having a function of exchanging signals between the communication base stations and establishing a communication line, and the receiving base stations 12-1-1, 12-1-2, 12-2-1 to 12-1 controlled by the control unit 143. -2
-8 corresponding front-end processor (FEP-R) 144 for transmitting and receiving traffic signals and control signals, and transmitting base station 13
Corresponding front-end processor (FEP-S) 145, front-end processor (FEP-F) 146 compatible with fixed terminal 16,
A switch (SW) 147 for switching connection between the front-end processors 144 and 145 and the front-end processor 146 is provided. The control unit 143 also has a function as a reception base station selection unit.
【００２１】図３および図４は、回線交換局１４に設け
られた送受基地局対応テ−ブル141および移動端末管理
テ−ブル142 の構成例をそれぞれ示している。FIGS. 3 and 4 show examples of the structures of the transmission / reception base station corresponding table 141 and the mobile terminal management table 142 provided in the circuit switching station 14, respectively.
【００２２】また、図５は、送信基地局１３および受信
基地局12-1-1,12-1-2 ,12-2-1 〜12-2-8のサ−ビスエリ
アを示す図である。図中、17-1-1,17-1-2 は受信基地局
12-1-1,12-1-2 のカバ−するエリア、17-2-1〜17-2-8は
受信基地局12-2-1〜12-2-8のカバ−するエリア、１８は
送信基地局１３のカバ−するエリアである。本例では、
送信基地局１３のサ−ビスエリアを基本単位とした場
合、１つの送信基地局１３は単位エリア内の全受信基地
局12-1-1,12-1-2 および12-2-1〜12-2-8をカバ−する。FIG. 5 is a diagram showing the service areas of the transmitting base station 13 and the receiving base stations 12-1-1, 12-1-2, 12-2-1 to 12-2-8. In the figure, 17-1-1 and 17-1-2 are the receiving base stations.
12-1-1 and 12-1-2 cover areas, 17-2-1 to 17-2-8 cover receiving base stations 12-2-1 to 12-2-8, 18 Is an area covered by the transmission base station 13. In this example,
When the service area of the transmitting base station 13 is used as a basic unit, one transmitting base station 13 is all receiving base stations 12-1-1, 12-1-2 and 12-2-1 to 12- in the unit area. Cover 2-8.
【００２３】次に、上記構成による位置登録動作、移動
端末からの発信動作並びに移動端末への着信動作につい
て、図６乃至図８を用い順を追って説明する。Next, the position registration operation, the call origination operation from the mobile terminal, and the call reception operation to the mobile terminal according to the above configuration will be described step by step with reference to FIGS. 6 to 8.
【００２４】まず、図６を用いて位置登録動作について
説明する。First, the position registration operation will be described with reference to FIG.
【００２５】移動端末１１は、内部の管理テ−ブル上に
送信基地局番号が無い場合あるいはテ−ブル上にある送
信基地局１３からの制御チャネルを介して送出されてく
る制御信号を受信できない場合には、自移動端末アドレ
ス情報を含んだ位置登録信号ＬＣＴを送出する。位置登
録信号ＬＣＴを受信した受信基地局は、位置登録信号Ｌ
ＣＴを回線交換局１４に中継する。The mobile terminal 11 cannot receive the control signal transmitted via the control channel from the transmission base station 13 on the table when there is no transmission base station number in the internal management table. In this case, the location registration signal LCT including the own mobile terminal address information is transmitted. The receiving base station that has received the location registration signal LCT receives the location registration signal L
The CT is relayed to the circuit switching station 14.
【００２６】回線交換局１４は、位置登録信号ＬＣＴを
送出した受信基地局を基に送受基地局対応テ−ブル141
より移動端末１１をカバ−する送信基地局１３を読み出
し、移動端末管理テ−ブル142 上に記憶すると共に、移
動端末アドレス情報を含む位置登録応答信号ＬＲＳを送
信基地局１３に送出する。送信基地局１３は、位置登録
応答信号ＬＲＳを制御チャネルを介して移動端末１１に
送出する。The circuit switching station 14 sends / receives a base station compatible table 141 based on the receiving base station that has sent the location registration signal LCT.
The transmission base station 13 that covers the mobile terminal 11 is read out, stored in the mobile terminal management table 142, and the location registration response signal LRS including the mobile terminal address information is sent to the transmission base station 13. The transmitting base station 13 sends the location registration response signal LRS to the mobile terminal 11 via the control channel.
【００２７】次に、図７を用いて移動端末からの発信動
作について説明する。Next, a call origination operation from the mobile terminal will be described with reference to FIG.
【００２８】移動端末１１から送出された自アドレス番
号と相手固定端末１６のアドレス番号を含んだ発呼信号
ＣＡＬは、制御チャネルを介して受信基地局に受信され
る。受信基地局は、受信チャネル管理テ−ブルより空き
チャネルを読み出し、移動端末１１に対して受信チャネ
ルを確保すると共に、移動端末１１のアドレス番号と相
手固定端末１６のアドレス番号と受信チャネル番号と受
信レベル情報を含む発呼信号ＣＡＬを回線交換局１４に
送出する。The calling signal CAL sent from the mobile terminal 11 and containing the own address number and the address number of the partner fixed terminal 16 is received by the receiving base station via the control channel. The receiving base station reads an empty channel from the receiving channel management table, secures the receiving channel for the mobile terminal 11, and receives the address number of the mobile terminal 11, the address number of the fixed partner terminal 16 and the receiving channel number. A calling signal CAL including level information is sent to the circuit switching station 14.
【００２９】回線交換局１４は、受信基地局からの発呼
信号ＣＡＬ中のレベル情報を基に移動端末１１をカバ−
する最適な受信基地局を選択すると共に、選択した受信
基地局に対して受信基地局指定信号ＲＸＡを送出する。
また、回線交換局１４は、固定端末１６との間に通信回
線を確立すると共に、受信基地局をカバ−する送信基地
局１３を送受基地局対応テ−ブル141 より読みだし、移
動端末１１のアドレス番号と移動端末１１に対して割り
当てた受信チャネル番号と受信基地局番号を含む発呼応
答信号ＣＲＳを送出する。The circuit switching station 14 covers the mobile terminal 11 based on the level information in the calling signal CAL from the receiving base station.
The optimum receiving base station to be selected is selected and the receiving base station designation signal RXA is transmitted to the selected receiving base station.
Further, the circuit switching station 14 establishes a communication line with the fixed terminal 16 and reads out the transmission base station 13 covering the reception base station from the transmission / reception base station correspondence table 141, and the mobile terminal 11 A call response signal CRS including the address number, the receiving channel number and the receiving base station number assigned to the mobile terminal 11 is transmitted.
【００３０】送信基地局１３は、送信チャネル管理テ−
ブルより空きチャネルを読み出し、移動端末１１に対し
て送信チャネルを確保すると共に、制御チャネルを介し
て送信チャネル番号を付加した発呼応答信号ＣＲＳを送
出する。移動端末１１は、割り当てられた受信チャネル
と送信チャネルを使用して固定端末１６との間で情報の
授受を行なう。The transmission base station 13 has a transmission channel management table.
The idle channel is read from the cable, the transmission channel is secured for the mobile terminal 11, and the call response signal CRS to which the transmission channel number is added is transmitted via the control channel. The mobile terminal 11 exchanges information with the fixed terminal 16 using the assigned reception channel and transmission channel.
【００３１】次に、図８を用いて移動端末への着信動作
について説明する。Next, the operation of receiving a call to the mobile terminal will be described with reference to FIG.
【００３２】固定端末１６から移動端末１１への移動端
末ＩＤを含む着呼信号ＴＳＧを受信した回線交換局１４
は、移動端末管理テ−ブル142 より移動端末ＩＤを基に
その移動端末１１をカバ−する送信基地局１３と移動端
末１１の受信エアインタフェ−ス種別を読み出し、送信
基地局１３および通信制御チャネルを介し移動端末１１
に対して移動端末１１のアドレス情報を含む着呼信号Ｔ
ＳＧを送出する。The circuit switching station 14 which has received the incoming call signal TSG including the mobile terminal ID from the fixed terminal 16 to the mobile terminal 11.
Reads out from the mobile terminal management table 142 the transmission base station 13 covering the mobile terminal 11 and the reception air interface type of the mobile terminal 11 based on the mobile terminal ID, and the transmission base station 13 and the communication control channel. Mobile terminal 11 via
An incoming signal T including the address information of the mobile terminal 11
Send SG.
【００３３】自アドレス情報を含む着呼信号ＴＳＧを受
信した移動端末１１は、自アドレス情報を含む着呼応答
信号ＴＲＳを送出する。着呼応答信号ＴＲＳを受信した
受信基地局は、割当可能受信チャネル番号、レベル情報
および受信基地局番号を付加して着呼応答信号ＴＲＳを
回線交換局１４に送出する。回線交換局１４は、着呼応
答信号ＴＲＳ中のレベル情報より移動端末１１をカバ−
する最適受信基地局を選択し、選択した受信基地局に受
信基地局指定信号ＲＸＡを送出すると共に、送信基地局
１３に受信基地局番号と受信チャネル情報を含むチャネ
ル指定信号ＣＨＡを送出する。The mobile terminal 11 receiving the incoming call signal TSG containing its own address information sends out an incoming call response signal TRS containing its own address information. The receiving base station that has received the incoming call response signal TRS adds the allocatable receiving channel number, level information and the receiving base station number, and sends the incoming call response signal TRS to the circuit switching station 14. The circuit switching station 14 covers the mobile terminal 11 based on the level information in the incoming call response signal TRS.
The optimum receiving base station to be selected is selected, the receiving base station designating signal RXA is sent to the selected receiving base station, and the channel designating signal CHA including the receiving base station number and the receiving channel information is sent to the transmitting base station 13.
【００３４】送信基地局１３は、送信チャネル管理テ−
ブルより空きチャネルを読み出し、受信したチャネル指
定信号ＣＨＡに割当送信チャネル番号を付加してチャネ
ル指定信号ＣＨＡを送出する。移動端末１１は、割り当
てられた受信チャネルと送信チャネルを使用して固定端
末１６との間で情報の授受を行う。The transmission base station 13 has a transmission channel management table.
The empty channel is read from the cable, the assigned transmission channel number is added to the received channel designation signal CHA, and the channel designation signal CHA is transmitted. The mobile terminal 11 exchanges information with the fixed terminal 16 using the assigned reception channel and transmission channel.
【００３５】以上のように、本実施例によれば、無線回
線の上下回線で送る情報量に見合った無線回線を選択す
ることができ、移動端末１１に対して信号送出エリアの
広さに見合った下り回線の基地局と移動端末１１の送信
出力に応じた上り回線の基地局を選択することができ
る。As described above, according to the present embodiment, it is possible to select a wireless line corresponding to the amount of information to be sent by the upper and lower lines of the wireless line, and to match the size of the signal transmission area for the mobile terminal 11. Further, it is possible to select the downlink base station and the uplink base station according to the transmission output of the mobile terminal 11.
【００３６】なお、本実施例においては、移動端末と固
定端末間の信号授受を例に説明したが、移動端末相互間
の信号授受を行う際にも本発明方式が適用できることは
いうまでもない。In the present embodiment, the signal exchange between the mobile terminal and the fixed terminal has been described as an example, but it goes without saying that the method of the present invention can be applied to the exchange of signals between the mobile terminals. ..
【００３７】[0037]
【発明の効果】以上説明したように、本発明によれば、
無線区間について移動端末からの上りのシステムと下り
のシステムを分離したので、利用者が各自の用途に応じ
たゾ−ンの大きさとエアインタフェ−スの上りの伝送回
線と下りのエアインタフェ−スを選択することができ
る。従って、回線容量などに無駄がなくなり、周波数の
利用効率が従来方式に比べ改善されるだけでなく、多様
なサ−ビル形態に柔軟に対応可能となる。As described above, according to the present invention,
As for the wireless section, the upstream system and the downstream system from the mobile terminal are separated, so that the user can adjust the size of the zone and the air interface upstream transmission line and downstream air interface according to his or her application. Can be selected. Therefore, not only the line capacity is not wasted, the frequency utilization efficiency is improved as compared with the conventional system, but also various service forms can be flexibly dealt with.
【図１】本発明に係る移動体通信方式を採用した通信シ
ステムの一実施例を示す構成図FIG. 1 is a configuration diagram showing an embodiment of a communication system adopting a mobile communication system according to the present invention.
【図２】従来の移動体通信方式を採用した自動車電話方
式の構成例を示す図FIG. 2 is a diagram showing a configuration example of a car telephone system adopting a conventional mobile communication system.
【図３】本発明に係る送受基地局対応テ−ブルの一例を
示す図FIG. 3 is a diagram showing an example of a table corresponding to a transmitting / receiving base station according to the present invention.
【図４】本発明に係る移動端末管理テ−ブルの一例を示
す図FIG. 4 is a diagram showing an example of a mobile terminal management table according to the present invention.
【図５】本発明に係る無線ゾ−ンの構成例を示す図FIG. 5 is a diagram showing a configuration example of a wireless zone according to the present invention.
【図６】図１の構成による位置登録の制御シ−ケンス例
を示す図6 is a diagram showing an example of a control sequence of location registration according to the configuration of FIG.
【図７】図１の構成による移動端末からの発信の制御シ
−ケンス例を示す7 shows an example of a control sequence of transmission from a mobile terminal according to the configuration of FIG.
【図８】図１の構成による移動端末への着信の制御シ−
ケンス例を示す図FIG. 8 is a control sequence of an incoming call to a mobile terminal according to the configuration of FIG.
Figure showing an example of a can
１１…移動端末、12-1-1,12-1-2 …周波数800MHz帯で伝
送速度1200bps の受信基地局、12-2-1〜12-2-8…周波数
帯1.5GHz帯で伝送速度64Kbpsの受信基地局、１３…送信
周波数250MHz帯で伝送速度9600bps の送信基地局、１４
…回線交換局、１５…公衆網、１６…固定端末、17-1-
1,17-1-2 …受信基地局12-1-1,12-1-2 の無線ゾ−ン、1
7-2-1〜17-2-8…受信基地局12-2-1〜12-2-8の無線ゾ−
ン、１８…送信基地局１３の無線ゾ−ン。11 ... Mobile terminal, 12-1-1, 12-1-2 ... Receiving base station with transmission rate of 1200 bps in frequency 800 MHz band, 12-2-1 to 12-2-8 ... Transmission rate of 64 Kbps in frequency band 1.5 GHz Receiving base station, 13 ... Transmitting base station with transmission frequency 250MHz band and transmission speed 9600bps, 14
... Circuit switching station, 15 ... Public network, 16 ... Fixed terminal, 17-1-
1,17-1-2 ... Radio zone of receiving base station 12-1-1,12-1-2, 1
7-2-1 to 17-2-8 ... Wireless base stations of receiving base stations 12-2-1 to 12-2-8
, 18 ... Wireless zone of the transmitting base station 13.
Claims (1)
エアインタフェ−スおよび移動端末からの上り回線であ
るか下り回線であるかが決定される移動体通信方式にお
いて、 １つの上り回線の周波数帯の信号を受信可能で移動端末
の送信出力に応じた距離間隔で配置された受信基地局
と、 １つの下り回線の周波数帯の信号を送信可能で少なくと
も１つの受信基地局をカバ−するように送信出力と配置
が決定された送信基地局と、 送信基地局および受信基地局と回線で接続され、各基地
局との間で信号の授受を行うと共に、ネットワ−クを介
して固定端末または移動端末との間で通信回線を確立す
る交換局とを備え、 かつ、前記交換局には、移動端末をカバ−する最適な受
信基地局を検出すると共に、その受信基地局識別情報を
記憶・管理する受信基地局選択部と、受信基地局と当該
受信基地局をカバ−する送信基地局の対応関係を送信基
地局の送信エアインタフェ−ス別に記憶する送受基地局
対応テ−ブルと、各移動端末対応に当該移動端末をカバ
−する送信基地局と移動端末の受信エアインタフェ−ス
種別を記憶する移動端末管理テ−ブルとを設け、 移動端末からの発信時において、交換局は受信基地局選
択部により移動端末をカバ−する最適な受信基地局を選
択し、移動端末管理テ−ブルより移動端末の受信方式を
読み出し、先に選択した受信基地局識別情報と移動端末
の受信方式情報を基に送受基地局対応テ−ブルより送信
基地局を選択し、 移動端末への着信時において、交換局は移動端末管理テ
−ブルより移動端末をカバ−する受信基地局の識別情報
と移動端末の受信エアインタフェ−ス種別の情報を読み
出し、当該情報を基に送受基地局対応テ−ブルより送信
基地局を選択し、当該送信基地局より移動端末に着呼信
号を送出し、その応答信号を基に受信基地局選択部によ
り受信基地局を選択することを特徴とする移動体通信方
式。1. An uplink in a mobile communication system having a plurality of frequency bands, wherein it is determined whether each of the frequency bands is an uplink or a downlink from an air interface and a mobile terminal. Covering at least one receiving base station capable of receiving signals in the frequency band of 1 and arranged at distance intervals according to the transmission output of the mobile terminal and at least one receiving base station capable of transmitting signals in one downlink frequency band. The transmission base station, whose transmission output and arrangement are determined as described above, is connected to the transmission base station and the reception base station via a line, and sends and receives signals to and from each base station, and is also fixed via the network. And a switching center for establishing a communication line with the terminal or the mobile terminal, and the switching center detects the optimum receiving base station for covering the mobile terminal and outputs the receiving base station identification information. Remember and manage Receiving base station selecting unit, transmitting / receiving base station corresponding table storing correspondence relation between the receiving base station and the transmitting base station covering the receiving base station for each transmitting air interface of the transmitting base station, and each mobile terminal Correspondingly, a transmission base station that covers the mobile terminal and a mobile terminal management table that stores the reception air interface type of the mobile terminal are provided, and when the mobile terminal makes a call, the exchange selects the receiving base station. Section selects the optimum receiving base station that covers the mobile terminal, reads the receiving method of the mobile terminal from the mobile terminal management table, and based on the previously selected receiving base station identification information and the receiving method information of the mobile terminal. When selecting a transmitting base station from the table for transmitting and receiving base stations, and when receiving a call to the mobile terminal, the switching center uses the mobile terminal management table to identify the receiving base station that covers the mobile terminal and the mobile terminal. Receive d The interface type information is read, the transmitting base station is selected from the transmitting / receiving base station correspondence table based on the information, the incoming call signal is sent from the transmitting base station to the mobile terminal, and the response signal is based on the response signal. A mobile communication system, wherein a receiving base station is selected by a receiving base station selecting unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3205946A JPH0548522A (en) | 1991-08-16 | 1991-08-16 | Mobile communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3205946A JPH0548522A (en) | 1991-08-16 | 1991-08-16 | Mobile communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0548522A true JPH0548522A (en) | 1993-02-26 |
Family
ID=16515334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3205946A Pending JPH0548522A (en) | 1991-08-16 | 1991-08-16 | Mobile communication system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0548522A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09130856A (en) * | 1995-11-06 | 1997-05-16 | Nippon Telegr & Teleph Corp <Ntt> | Data transmission / reception method and apparatus for implementing this method |
| JP2006270572A (en) * | 2005-03-24 | 2006-10-05 | Matsushita Electric Ind Co Ltd | WIRELESS BASE STATION SYSTEM, ITS COMMUNICATION CONTROL DEVICE, AND COMMUNICATION METHOD |
-
1991
- 1991-08-16 JP JP3205946A patent/JPH0548522A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09130856A (en) * | 1995-11-06 | 1997-05-16 | Nippon Telegr & Teleph Corp <Ntt> | Data transmission / reception method and apparatus for implementing this method |
| JP2006270572A (en) * | 2005-03-24 | 2006-10-05 | Matsushita Electric Ind Co Ltd | WIRELESS BASE STATION SYSTEM, ITS COMMUNICATION CONTROL DEVICE, AND COMMUNICATION METHOD |
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