JPH0198331A - Radio selective call system - Google Patents

Radio selective call system

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Publication number
JPH0198331A
JPH0198331A JP62255738A JP25573887A JPH0198331A JP H0198331 A JPH0198331 A JP H0198331A JP 62255738 A JP62255738 A JP 62255738A JP 25573887 A JP25573887 A JP 25573887A JP H0198331 A JPH0198331 A JP H0198331A
Authority
JP
Japan
Prior art keywords
signal
address
calling
address signal
group
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.)
Granted
Application number
JP62255738A
Other languages
Japanese (ja)
Other versions
JPH0748894B2 (en
Inventor
Masahiro Wada
和田　全浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP62255738A priority Critical patent/JPH0748894B2/en
Publication of JPH0198331A publication Critical patent/JPH0198331A/en
Publication of JPH0748894B2 publication Critical patent/JPH0748894B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

PURPOSE:To increase number of accommodated subscribers by arranging an address signal consecutively in an transmission period of specific information in succession to a synchronizing signal as to a call in the absence of message information to a called party. CONSTITUTION:A synchronizing signal and an address signal or a call signal adding message information to the synchronizing signal and the address signal is formed for each group call signal and sent from a base station. In this case, as to a call of tone only not attended with a message information signal, only the address signal is sent in a period of specific bit number in succession to the synchronizing signal, for example, at a specific period of an information transmission period in succession to the synchronizing signal and a signal being the combination of the address signal and the message information signal is sent in other period. Thus, the address signal is sent so as to increase number of accommodated subscribers to be identified by the address signal thereby utilizing the radio wave effectively.

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、無線選択呼出における選択呼出信号の構成に
関し、特に呼出しのみでなく伝達情報の伝送も行うこと
のできる無線選択呼出方式に関する。本発明はいわゆる
「表示付きポケットベル」方式に利用するに適する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to the configuration of a selective call signal in wireless selective calling, and particularly to a wireless selective calling system that is capable of not only calling but also transmitting information. The present invention is suitable for use in a so-called "pager with display" system.

〔従来の技術〕[Conventional technology]

従来の無線選択呼出方式は、間欠受信方式をとっており
、加入者を複数のグループに分け、各加入者受信機は、
自グループのタイムスロットのときだけ電源をオンにし
て受信している。The conventional radio selective calling system uses an intermittent reception system, in which subscribers are divided into multiple groups, and each subscriber receiver receives
The power is turned on and received only during the time slot of the own group.

その従来の信号構成方式を第２図に示す。The conventional signal configuration method is shown in FIG.

基地局から送信される呼出信号は、第２図（ａ）に示す
ように、信号長ｔ。のグループ別呼出信号をｎ個つなげ
、Ｔｏの長さの周期の信号により構成される。各グルー
プ別の信号構成は、第２図（ｂ）に示すように、同期信
号とそのグループに属する被呼出加入者識別信号である
ｍ個のアドレス信号とこの各アドレス信号に対応する受
信機毎の伝達情報信号とで構成されている。The paging signal transmitted from the base station has a signal length t, as shown in FIG. 2(a). It is composed of a signal having a period of length To by connecting n group-specific call signals. The signal configuration for each group is as shown in FIG. transmission information signal.

ここで第２図ら）でｈｌ、ｈ２、ｈ３、ｈ４は各々、同
期信号、アドレス信号、伝達情報信号、情報伝送区間の
ビット数を示す。また、同期信号、情報伝送区間の信号
速度をｆ、。、ｆｂｌとする。Here, hl, h2, h3, and h4 respectively indicate the synchronization signal, the address signal, the transmission information signal, and the number of bits in the information transmission section. Also, the signal speed of the synchronization signal and information transmission section is f. , fbl.

同期信号は第２図（Ｃ）に示すように、ビット同期をと
るためのビット同期信号と、タイムスロット内のワード
同期をとるためのワード同期信号と、そのタイムスロッ
トがどの受信機グループに対する信号かを示すグループ
同期信号とからなる。各加入者受信機は、グループ同期
信号を受信して自受信機の所属するグループの信号が送
られているタイムスロットのみを受信し、他のタイムス
ロットは受信しないように動作している。As shown in Figure 2 (C), the synchronization signals include a bit synchronization signal for bit synchronization, a word synchronization signal for word synchronization within a time slot, and a signal for which receiver group the time slot corresponds to. and a group synchronization signal indicating the Each subscriber receiver receives a group synchronization signal and operates to receive only the time slot in which the signal of the group to which it belongs is transmitted, and not to receive other time slots.

また、グループ別呼出信号は、同期信号とそのグループ
での被呼出加入者を識別させる複数のアドレス信号（ア
ドレス１〜アドレスｍ）とこのアドレスに対応する伝達
情報信号の部分とから構成されており、アドレス信号と
自受信機のアドレスとが一致すれば個々の受信機は、当
該受信機に対する呼出があったと判断して、後に続く伝
達情報信号を解読し、鳴音とともに表示部に伝達情報の
内容を表示する。The group-specific paging signal is composed of a synchronization signal, a plurality of address signals (address 1 to address m) for identifying the called subscribers in the group, and a transmission information signal portion corresponding to the address. If the address signal and the address of the own receiver match, each receiver determines that there is a call to that receiver, decodes the subsequent transmission information signal, and displays the transmission information on the display with a sound. Display content.

〔発明が解決しようとする問題点〕[Problem that the invention seeks to solve]

しかし、この従来の構成では、アドレス１〜ｍの後には
必ず伝達情報を送出することによっているため、実際に
は同期信号の後に続く情報伝送区間（ｈ、）を有効に利
用しえなかった。However, in this conventional configuration, since transmission information is always transmitted after addresses 1 to m, the information transmission section (h,) following the synchronization signal cannot actually be used effectively.

すなわち、表示付き無線呼出受信機をある人が呼び出す
場合、統計的なデータによれば、約５０％の確率で伝達
情報を送出しないトーンオンリとしての使用を行ってい
る。この場合、同期信号の後に続く情報伝送区間のビッ
ト有効利用率ηはとなり、例えばｈ３”３ｈ２の関係に
あれば約６２゜５％の有効利用率となる。このように、
従来の方式では加入者の収容数に限界があり、電波の有
効利用を図ることができなかった。That is, when a certain person calls a radio paging receiver with a display, according to statistical data, there is a probability of about 50% that the radio paging receiver with display is used as a tone-only device that does not transmit transmission information. In this case, the bit effective utilization rate η of the information transmission section following the synchronization signal is as follows. For example, if the relationship is h3"3h2, the effective utilization rate is about 62.5%. In this way,
Conventional systems have a limited number of subscribers and cannot make effective use of radio waves.

本発明の目的は、利用者の利用形態に応じて有効にその
伝送信号を使用して加入者数を増加でき、電波の有効利
用を図ることができる無線選択呼出方式を提供すること
にある。An object of the present invention is to provide a radio selective calling system that can increase the number of subscribers by effectively using the transmission signal according to the user's usage pattern, and that can make effective use of radio waves.

〔問題点を解決するための手段〕[Means for solving problems]

本発明は、被呼出受信機を呼び出す呼出信号が複数のグ
ループに分割され、このグループ毎の呼出信号が各グル
ープに共通する同期信号と個々の受信機の識別を行う複
数のアドレス信号とこのアドレス信号に対応する伝達情
報信号とから構成され、この呼出信号を基地局から送信
し、各受信機は自グループに属する呼出信号を間欠的に
受信する無線選択呼出方式において、 上記同期信号に続く区間の特定の区間では伝達情報信号
を伴わない呼出のアドレス信号を伝送することを特徴と
する。In the present invention, a calling signal for calling a called receiver is divided into a plurality of groups, and the calling signal for each group includes a synchronization signal common to each group, a plurality of address signals for identifying individual receivers, and a plurality of address signals for identifying each receiver. In a radio selective calling method in which this calling signal is transmitted from a base station and each receiver intermittently receives calling signals belonging to its own group, the period following the synchronization signal is It is characterized in that a paging address signal without a transmission information signal is transmitted in a specific section.

〔作用〕[Effect]

基地局は、各グループ別呼出信号ごとに同期信号とアド
レス信号あるいは同期信号とアドレス信号に伝達情報を
付加した呼出信号を構成して送出する。The base station configures and transmits a synchronization signal and an address signal or a synchronization signal and an address signal with transmission information added for each group of paging signals.

この場合、伝達情報信号を伴わないトーンオンリの呼出
については、同期信号に続く情報伝送区間の特定の区間
、例えば同期信号に続く特定のビット数の区間にアドレ
ス信号のみを送出し、その他の区間にはアドレス信号と
伝達情報信号の組合せの信号を送出する。In this case, for a tone-only call that does not involve a transmission information signal, only the address signal is sent to a specific section of the information transmission section following the synchronization signal, for example, an section with a specific number of bits following the synchronization signal, and the address signal is sent to the other sections. sends out a signal that is a combination of an address signal and a transmission information signal.

アドレス信号のみの区間で呼び出された受信機は自己が
トーンオンリで呼び出されたことを認識して鳴音のみの
呼び出しを行う。A receiver that is called during an address signal only section recognizes that it has been called tone-only, and performs a tone-only call.

〔実施例〕〔Example〕

以下図面を参照して本発明実施例を説明する。 Embodiments of the present invention will be described below with reference to the drawings.

第１図は、本発明一実施例の信号構成を示す図であり、
第１図（ａ）は全体の信号構成を示し、第１図（ｂ）は
グループ１の信号構成を示し、第１図（Ｃ）は同期信号
の構成を示している。FIG. 1 is a diagram showing a signal configuration of an embodiment of the present invention,
FIG. 1(a) shows the overall signal structure, FIG. 1(b) shows the signal structure of group 1, and FIG. 1(C) shows the structure of the synchronizing signal.

基地局から送出される呼出信号が、時間長ｔ。The paging signal sent from the base station has a time length t.

のグループ別呼出信号をｎ個つなげた長さＴ。の周期の
信号より構成される点は従来と同様であり、また、グル
ープ別呼出信号の先頭位置の同期信号も従来と同様であ
り、その同期信号の信号速度も同様である。The length T is the sum of n group-specific call signals. It is the same as in the prior art in that it is composed of signals with a period of , and the synchronization signal at the head position of the group calling signal is also the same as in the prior art, and the signal speed of the synchronization signal is also the same.

本発明の特徴とするところは、被呼出加入者受信機に対
応する選択呼出信号の構成にある。すなわち、被呼出加
入者に対する伝達情報がない場合の呼び出しは、同期信
号に続く特定の情報伝送区間にそのアドレス信号を連続
的に配置して、伝達情報信号が付加されるアドレス信号
の部分と分離して配置するところにある。A feature of the invention lies in the structure of the selective calling signal corresponding to the called subscriber's receiver. That is, for a call when there is no conveyance information to the called subscriber, the address signal is placed consecutively in a specific information transmission section following the synchronization signal, and is separated from the part of the address signal to which the conveyance information signal is added. and place it.

以下具体的にその信号構成を示す。ここでは、同期信号
の終りからｈｓのビット数の区間は、アートレス信号の
みを配置する。その後に続＜ｈｓのビット数の区間につ
いては、従来どおりアドレス信号および伝達情報信号を
配置する。すなわち、ｈ、のビット数の間に伝達情報を
付加する必要のない呼出のアドレス信号のみを配置し、
そしてその後に続＜ｈｓのビット数の区間は従来どおり
アドレス信号十伝達情報信号の形で基地局から伝送され
る。The signal configuration will be specifically shown below. Here, only artless signals are placed in a section of hs bits from the end of the synchronization signal. After that, in the section where the number of bits is <hs, address signals and transmission information signals are arranged as before. That is, only the address signal of the call that does not require adding transmission information is placed between the number of bits of h,
Thereafter, the section with the number of bits < hs is transmitted from the base station in the form of an address signal and a transmission information signal as before.

なお、ここで、 ｈｓ　＝ｐＸ　（ｈ２　＋ｈ３　） （ｐは整数）の関係が成立すればよい。成立させられな
い時には、ｈ５−ｐｘ　（ｈ２＋ｈ：＋　）ビットを余
りのビットとし、ｈ、の最後に配置してもよい。Note that here, it is sufficient that the relationship hs = pX (h2 + h3) (p is an integer) holds true. If this cannot be established, the h5-px (h2+h:+) bits may be used as the remaining bits and placed at the end of h.

この本実施例の伝送効率について検討してみる。Let us consider the transmission efficiency of this embodiment.

従来方式の伝送容量を０１１方式の伝送容量をＣ′とし
、ｂ３＝３ｈ２の関係があり、ｈｓ　＝（ｈ２＋ｈ３）
すなわち、ｐ＝ｔの時には、従来の伝送方式の情報伝達
容量値Ｃ１本方式による情報伝送容量Ｃ′とすると、 Ｃ’　　　　ｋ＋ｊ２ Ｃｍ となる。ここで、第１図において、ｈｓ＝３ｈ２、ｈｓ
　＝ｈｚ　＋ｈ３であるから、ｋ＝４である。また、ｈ
ｓ　＝ｈ２＋ｈ＊であるからβ＋ｌ＝ｍであり、 Ｃ’　　　　ｆ＋４ Ｃｆ＋１ となる。The transmission capacity of the conventional system is 011, and the transmission capacity of the system is C', and there is a relationship of b3 = 3h2, hs = (h2 + h3)
That is, when p=t, the information transmission capacity value of the conventional transmission method is C', and the information transmission capacity of the one-line system is C' k+j2 Cm. Here, in FIG. 1, hs=3h2, hs
=hz +h3, so k=4. Also, h
Since s=h2+h*, β+l=m, and C' f+4 Cf+1.

Ｊ＝３とすれば、Ｃ’　／Ｃ＝１．７５となり、７５％
増となる。この場合、トーンオンリと表示付きの収容比
は、４：３となり、はぼ統計トラヒックに近似できるこ
ととなる。If J=3, C'/C=1.75, 75%
It will increase. In this case, the accommodation ratio between tone-only and display traffic is 4:3, which can be approximated to Habo statistical traffic.

受信機は、同期信号に続＜ｈ、のビット数はトーンオン
リのみが受信され、それ以後のｈ６のビット数はアドレ
ス信号十伝達情報信号が受信されるものとして受信動作
を行えばよい。The receiver may perform a receiving operation assuming that the number of bits <h following the synchronization signal is only a tone-only signal, and the number of bits h6 after that is an address signal plus a transmission information signal.

〔発明の効果〕〔Effect of the invention〕

以上説明したように、本発明は、表示付き無線呼出方式
であっても、被呼出受信機へのメツセージ内容がアドレ
スのみのトーン呼び出しとなっている場合には、基地局
から送出する信号にアドレス信号のみを送信するため、
信号伝送容量を増大でき、加入者収容数を増加して電波
の有効利用を図ることができる効果がある。As explained above, even if the present invention is a display radio paging system, if the message content to the called receiver is a tone paging with only an address, the address is added to the signal sent from the base station. Because it only transmits signals,
This has the effect of increasing signal transmission capacity, increasing the number of subscribers, and making effective use of radio waves.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明実施例信号構成図。 第２図は従来例信号構成図。 特許出願人　日本電信電話株式会社　１．。 代理人　弁理士　井　出　直　孝′ FIG. 1 is a signal configuration diagram of an embodiment of the present invention. FIG. 2 is a conventional signal configuration diagram. Patent applicant: Nippon Telegraph and Telephone Corporation 1. . Agent: Patent Attorney Nao Takashi Ide

Claims (1)

【特許請求の範囲】[Claims] （１）被呼出受信機を呼び出す呼出信号が複数のグルー
プに分割され、 このグループ毎の呼出信号が各グループに共通する同期
信号と個々の受信機の識別を行う複数のアドレス信号と
このアドレス信号に対応する伝達情報信号とから構成さ
れ、 この呼出信号を基地局から送信し、各受信機は自グルー
プに属する呼出信号を間欠的に受信する無線選択呼出方
式において、 上記同期信号に続く区間の特定の区間では伝達情報信号
を伴わない呼出のアドレス信号を伝送する ことを特徴とする無線選択呼出方式。(1) A calling signal for calling a called receiver is divided into multiple groups, and the calling signal for each group includes a synchronization signal common to each group, multiple address signals for identifying individual receivers, and this address signal. In the radio selective paging system, in which this paging signal is transmitted from the base station and each receiver intermittently receives the paging signal belonging to its own group, the transmission information signal corresponding to the synchronization signal is A wireless selective calling system characterized by transmitting a calling address signal without a transmission information signal in a specific section.
JP62255738A 1987-10-09 1987-10-09 Wireless selective calling method Expired - Fee Related JPH0748894B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62255738A JPH0748894B2 (en) 1987-10-09 1987-10-09 Wireless selective calling method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62255738A JPH0748894B2 (en) 1987-10-09 1987-10-09 Wireless selective calling method

Publications (2)

Publication Number Publication Date
JPH0198331A true JPH0198331A (en) 1989-04-17
JPH0748894B2 JPH0748894B2 (en) 1995-05-24

Family

ID=17282945

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62255738A Expired - Fee Related JPH0748894B2 (en) 1987-10-09 1987-10-09 Wireless selective calling method

Country Status (1)

Country Link
JP (1) JPH0748894B2 (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04507334A (en) * 1989-08-21 1992-12-17 モトローラ・インコーポレーテッド selective call signal system
EP2052606A1 (en) 2007-10-24 2009-04-29 Bayer CropScience AG Herbicide combination
DE102008037620A1 (en) 2008-08-14 2010-02-18 Bayer Crop Science Ag Herbicide combination with dimethoxytriazinyl-substituted difluoromethanesulfonylanilides
WO2012049266A1 (en) 2010-10-15 2012-04-19 Bayer Cropscience Ag Use of als inhibitor herbicides for control of unwanted vegetation in als inhibitor herbicide tolerant beta vulgaris plants
WO2012150333A1 (en) 2011-05-04 2012-11-08 Bayer Intellectual Property Gmbh Use of als inhibitor herbicides for control of unwanted vegetation in als inhibitor herbicide tolerant brassica, such as b. napus, plants
WO2014090760A1 (en) 2012-12-13 2014-06-19 Bayer Cropscience Ag Use of als inhibitor herbicides for control of unwanted vegetation in als inhibitor herbicide tolerant beta vulgaris plants
WO2023062184A1 (en) 2021-10-15 2023-04-20 KWS SAAT SE & Co. KGaA Als inhibitor herbicide tolerant beta vulgaris mutants

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5792932A (en) * 1980-12-01 1982-06-09 Nec Corp Selective calling receiver with display
JPS60182231A (en) * 1984-02-29 1985-09-17 Nippon Telegr & Teleph Corp <Ntt> Selective call communication system

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5792932A (en) * 1980-12-01 1982-06-09 Nec Corp Selective calling receiver with display
JPS60182231A (en) * 1984-02-29 1985-09-17 Nippon Telegr & Teleph Corp <Ntt> Selective call communication system

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04507334A (en) * 1989-08-21 1992-12-17 モトローラ・インコーポレーテッド selective call signal system
EP2052606A1 (en) 2007-10-24 2009-04-29 Bayer CropScience AG Herbicide combination
DE102008037620A1 (en) 2008-08-14 2010-02-18 Bayer Crop Science Ag Herbicide combination with dimethoxytriazinyl-substituted difluoromethanesulfonylanilides
WO2012049266A1 (en) 2010-10-15 2012-04-19 Bayer Cropscience Ag Use of als inhibitor herbicides for control of unwanted vegetation in als inhibitor herbicide tolerant beta vulgaris plants
WO2012150333A1 (en) 2011-05-04 2012-11-08 Bayer Intellectual Property Gmbh Use of als inhibitor herbicides for control of unwanted vegetation in als inhibitor herbicide tolerant brassica, such as b. napus, plants
US9370183B2 (en) 2011-05-04 2016-06-21 Bayer Intellectual Property Gmbh Use of ALS inhibitor herbicides for control of unwanted vegetation in ALS inhibitor herbicide tolerant Brassica, such as B. napus, plants
WO2014090760A1 (en) 2012-12-13 2014-06-19 Bayer Cropscience Ag Use of als inhibitor herbicides for control of unwanted vegetation in als inhibitor herbicide tolerant beta vulgaris plants
WO2023062184A1 (en) 2021-10-15 2023-04-20 KWS SAAT SE & Co. KGaA Als inhibitor herbicide tolerant beta vulgaris mutants

Also Published As

Publication number Publication date
JPH0748894B2 (en) 1995-05-24

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