JP3189160B2 - Wireless communication method - Google Patents
Wireless communication methodInfo
- Publication number
- JP3189160B2 JP3189160B2 JP24235995A JP24235995A JP3189160B2 JP 3189160 B2 JP3189160 B2 JP 3189160B2 JP 24235995 A JP24235995 A JP 24235995A JP 24235995 A JP24235995 A JP 24235995A JP 3189160 B2 JP3189160 B2 JP 3189160B2
- Authority
- JP
- Japan
- Prior art keywords
- base station
- terminal
- wireless communication
- communication system
- communication
- 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.)
- Expired - Fee Related
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Classifications
-
- Y02B60/50—
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、移動通信に関し、
特に大きなセルの中に高速通信が可能な小さなセルが重
複して存在する移動通信における無線通信方法に関す
る。TECHNICAL FIELD The present invention relates to mobile communications,
In particular, the present invention relates to a wireless communication method in mobile communication in which small cells capable of high-speed communication overlap in large cells.
【０００２】[0002]
【従来の技術】移動通信可能な無線局である端末と、所
要の通信品質が得られると予測される範囲即ち、セルと
呼ばれるゾーンがある地域で連続するようにそのセルを
構成する基地局を置局する無線通信方式１と、その無線
通信方式１と比べて伝送速度が高速であるがセルの大き
さが小さくそのセルが上記地域の一部を覆うように置局
を行う無線通信方式２が併存し、上りと下りで異なる無
線通信システムを用いて非対称通信を行う場合、従来は
図６に示すように、セルの大きさが小さい無線通信シス
テムに対しては信号の捕捉可能なエリアが狭い。従って
セルの大きさが大きい無線通信システムに対しては捕捉
可能なエリアでも、もう一方の無線通信システムが信号
の捕捉ができなかったため呼損となった。なお、図６
で、１００は方式２の基地局、１０１は方式２の端末、
１０２は方式２のセル、１１０は方式１の基地局、１１
１は方式１の端末、１１２は方式１のセルである。2. Description of the Related Art A terminal which is a mobile station capable of mobile communication and a base station which constitutes a cell in a range where a required communication quality is expected to be obtained, that is, a cell called a zone so as to be continuous in a certain area. A radio communication system 1 for setting a station and a radio communication system 2 for setting a station so that the transmission speed is higher than that of the radio communication system 1 but the cell size is small and the cell covers a part of the area. Coexisting and performing asymmetric communication using different wireless communication systems for uplink and downlink, conventionally, as shown in FIG. 6, for a wireless communication system having a small cell size, an area where signals can be captured is limited. narrow. Therefore, even in an area that can be captured by a wireless communication system having a large cell size, a call was lost because the other wireless communication system could not capture a signal. FIG.
Where 100 is a base station of scheme 2, 101 is a terminal of scheme 2,
102 is a cell of scheme 2, 110 is a base station of scheme 1, 11
Reference numeral 1 denotes a terminal of the scheme 1, and 112 denotes a cell of the scheme 1.
【０００３】[0003]
【発明が解決しようとする課題】従来は双方向とも同じ
通信能力を持つ一つの通信システムを用いて非対称通信
を行ったため周波数帯域を有効に利用できなかった。ま
た、異なる通信システムを用いて非対称通信を行う場
合、端末は同時にそれぞれの通信システムの圏内に存在
する必要があり、どちらかのシステムの圏外の場合は呼
損になるという問題があった。Conventionally, since asymmetric communication was performed using one communication system having the same communication capability in both directions, the frequency band could not be used effectively. Further, when performing asymmetric communication using different communication systems, there is a problem that a terminal needs to be present in the service area of each communication system at the same time, and a call loss occurs when the service is out of the service area of either system.
【０００４】本発明の目的は、大きなセルと小さなセル
が重複して存在する場合に、移動局が小さなセルの圏外
にいる場合でも小さなセルによる高速通信が可能な無線
通信方法を提供することにある。An object of the present invention is to provide a radio communication method capable of performing high-speed communication using a small cell even when a mobile station is out of the area of a small cell when a large cell and a small cell overlap. is there.
【０００５】[0005]
【課題を解決するための手段】本発明によれば、電波到
達範囲が大ゾーンである第１の無線通信方式と、該第１
の無線通信方式よりも高速通信が可能であり且つ電波到
達範囲が小ゾーンであり通信方式が異なる第２の無線通
信方式とが、大ゾーンの中に小ゾーンが少なくとも一つ
包含されるように混在する無線通信方法において、第１
及び第２の方式を用いて送受信できる端末と、第１の方
式を用いる第１の基地局と、第２の方式を用いる第２の
基地局とを有し、第２の基地局と第１の基地局とは、更
に、第１の方式を用いて制御情報を送受信でき、高速な
伝送を希望する端末が通信を行う際に、端末は、第２の
基地局からの信号を捕捉することを試み、捕捉できれば
第２の方式を用いた通信を開始し、捕捉できなければ、
端末は、第１の方式を用いて、第２の方式のチャネル使
用許可の要求信号を第１の基地局へ送信し、該第１の基
地局は、その信号を第２の基地局へ通知し、該第２の基
地局は、端末が第２の基地局からの信号を捕捉すること
ができるように送信電力をあげ、端末が第２の基地局か
らの信号を捕捉できれば、第２の基地局から端末への下
り方向の通信チャネルと、端末から第１の基地局への上
り方向の通信チャネルとを用いて通信を行う方法であ
る。また、本発明による他の実施形態によれば、第２の
基地局が、端末を呼び出し、端末による着信を確認でき
れば、第２の方式を用いた通信を開始し、端末による着
信を確認できなければ、第２の基地局は、着信があるこ
とを第１の基地局へ通知し、該第１の基地局はその旨を
端末へ通知することも好ましい。更に、本発明による他
の実施形態によれば、端末が第２の方式の圏内に入った
時には、上りと下りの両方向を第２の方式の通信チャネ
ルを用いて通信を行うことも好ましい。本発明は、信号
の捕捉ができないセルが存在する無線通信方式２の基地
局２の送信電力を大きくして下りのセルだけを大きくし
たバーチャルセルとし、下り拡大セルであるバーチャル
セル内の端末２がセル内に移動するまで通信チャネルを
確保する。無線通信方式２の基地局の送信電力を大きく
するための制御に、無線通信方式１を用いる。即ち、無
線通信方式２が発呼し、圏外であれば、無線通信方式１
の端末１から基地局１へチャネル使用許可の要求信号を
送信し、無線通信方式１の基地局１は無線通信方式２の
送信電力を一時的に増大するように要求する。無線通信
方式２の基地局２は送信電力を大きくし一時的にセル半
径が大きくなったように下り拡大セルであるバーチャル
セルを形成し、端末２が基地局２からの信号が捕捉可能
であれば、そのことを無線通信方式１を用いて知らせ
る。捕捉不可であれば、呼損となる。端末２が基地局２
からの信号が捕捉可能であれば、送信電力増大によるバ
ーチャルセル内に端末２が存在することになり、基地局
２から端末２への下り方向通信が可能となる。上り方向
の通信は、無線通信方式１を用いて行い、上りと下りの
異速度通信を実現する。 According to the present invention, a radio wave
A first wireless communication system whose reach is a large zone;
Communication speed is higher than that of
The second wireless communication range is a small zone and the communication method is different.
Communication method, at least one small zone in a large zone
In a wireless communication method mixed to be included,
And a terminal capable of transmitting and receiving using the second method and the first method
A first base station using the equation and a second base station using the second scheme.
A second base station and the first base station.
In addition, control information can be transmitted and received using the first
When a terminal that wants to transmit communicates, the terminal
Attempt to capture the signal from the base station and if it can,
If communication using the second method is started and cannot be captured,
The terminal uses the first scheme and uses the channel of the second scheme.
A request signal for use permission to the first base station,
The base station notifies the signal to the second base station, and the second base station
The base station is to allow the terminal to capture the signal from the second base station
To increase the transmission power so that the terminal is the second base station
If these signals can be captured, the signal from the second base station to the terminal
Communication channel from the terminal to the first base station.
Communication method using a communication channel in the
You. Also, according to another embodiment of the present invention, the second
The base station can call the terminal and confirm the incoming call
Then, communication using the second method is started, and
If the call cannot be confirmed, the second base station confirms that there is an incoming call.
To the first base station, and the first base station notifies
It is also preferable to notify the terminal. Further, according to the present invention,
According to the embodiment, the terminal enters the range of the second method
Sometimes, both uplink and downlink directions are used for communication channels of the second scheme.
It is also preferable to perform communication using a file. The present invention provides a virtual cell in which only a downstream cell is increased by increasing the transmission power of a base station 2 of the wireless communication system 2 in which a cell in which a signal cannot be captured exists. Secures a communication channel until moves into the cell. The wireless communication method 1 is used for control for increasing the transmission power of the base station of the wireless communication method 2. In other words, if the wireless communication method 2 is outgoing and if it is out of the service area, the wireless communication method 1
Transmits a request signal for permission to use a channel from the terminal 1 to the base station 1, and the base station 1 of the wireless communication system 1 requests that the transmission power of the wireless communication system 2 be temporarily increased. The base station 2 of the wireless communication system 2 forms a virtual cell which is a downlink expanded cell as if the transmission power was increased and the cell radius was temporarily increased, and the terminal 2 can capture a signal from the base station 2. If this is the case, this is notified using the wireless communication system 1. If the call cannot be caught, a call is lost. Terminal 2 is base station 2
If the signal from the base station 2 can be captured, the terminal 2 exists in the virtual cell due to the increase in the transmission power, and the downlink communication from the base station 2 to the terminal 2 becomes possible. Uplink communication is performed using the wireless communication system 1 to realize uplink and downlink different speed communication.
【０００６】非対称通信を行っている際、無線通信方式
２の端末がセル内に移動した場合、双方向で無線通信方
式２を用いることにより、双方向高速通信を実現する。When a terminal of the wireless communication system 2 moves into a cell during asymmetric communication, bidirectional high-speed communication is realized by using the wireless communication system 2 in two directions.
【０００７】本発明では、異なる無線通信方式１を用い
て無線通信方式２の基地局の送信電力を大きくすること
により、無線通信方式２の基地局２から端末２への下り
方向通信が可能となり、無線通信方式１を同時に用いる
ことにより非対称通信が実現できる。また、無線通信方
式２の端末がセル内に移動した時は、無線通信方式１を
用いた比較的速度の遅い上り通信から、無線通信方式１
へ切り替えて、双方向高速通信を実現することができ
る。このように、双方向の信号の捕捉ができない場合で
も、通信可能な通信システムを片方向使用し通信開始で
きるので、呼損を少なくすることができる。According to the present invention, by increasing the transmission power of the base station of the wireless communication system 2 using the different wireless communication system 1, the downlink communication from the base station 2 of the wireless communication system 2 to the terminal 2 becomes possible. By using the wireless communication system 1 at the same time, asymmetric communication can be realized. Also, when a terminal of the wireless communication system 2 moves into the cell, the wireless communication system 1 starts with the relatively slow uplink communication using the wireless communication system 1 and starts the wireless communication system 1.
To realize high-speed bidirectional communication. As described above, even when a bidirectional signal cannot be captured, communication can be started using a communicable communication system in one direction, so that call loss can be reduced.
【０００８】[0008]
【発明の実施の形態】図１は本発明の概要を説明する図
である。端末１０１と基地局１００は第２の無線通信方
式（無線通信方式２）に対応する端末及び基地局であ
り、端末１１１と基地局１１０は第１の無線通信方式
（無線通信方式１）に対応する端末及び基地局である。
また、大セル１１２は無線通信方式１が構成するセルで
あり、小セル１０２は無線通信方式２が構成するセルで
ある。小セル１０２は大セル１１２の中にとびとびに存
在する。無線通信方式２の端末２（１０１）は無線通信
方式１の端末１（１１１）へ制御情報の通信機能を持
つ。または、無線通信方式２の端末２（１０１）は無線
通信方式１の基地局１（１１０）へ送信できる機能を持
つ。さらに無線通信方式１の基地局１（１１０）と無線
通信方式２の基地局２（１００）は、無線通信方式２の
使用許可要求、端末２（１０１）の位置登録情報等の制
御情報の通信ができる。無線通信方式１の送信機能を持
つ無線通信方式２の端末２（１０１）、または無線通信
方式１の端末１（１１１）を通じて無線通信方式２の端
末２（１０１）からの発呼要求に応じて、無線通信方式
１の基地局１（１１０）は無線通信方式２の基地局２
（１００）へ発呼信号を伝送することができる。FIG. 1 is a diagram for explaining the outline of the present invention. The terminal 101 and the base station 100 are a terminal and a base station corresponding to the second wireless communication method (wireless communication method 2), and the terminal 111 and the base station 110 are compatible with the first wireless communication method (wireless communication method 1). Terminal and a base station.
The large cell 112 is a cell configured by the wireless communication system 1, and the small cell 102 is a cell configured by the wireless communication system 2. The small cells 102 exist discretely in the large cells 112. The terminal 2 (101) of the wireless communication system 2 has a function of communicating control information to the terminal 1 (111) of the wireless communication system 1. Alternatively, the terminal 2 (101) of the wireless communication system 2 has a function of transmitting to the base station 1 (110) of the wireless communication system 1. Furthermore, the base station 1 (110) of the wireless communication system 1 and the base station 2 (100) of the wireless communication system 2 communicate control information such as a use permission request of the wireless communication system 2 and location registration information of the terminal 2 (101). Can be. In response to a call request from the terminal 2 (101) of the wireless communication method 2 via the terminal 2 (101) of the wireless communication method 2 having the transmission function of the wireless communication method 1 or the terminal 1 (111) of the wireless communication method 1 And the base station 1 (110) of the wireless communication system 1 is the base station 2 of the wireless communication system 2
A call signal can be transmitted to (100).
【０００９】無線通信方式１の基地局１（１１０）は、
その構成するセル内にある無線通信方式２の基地局２
（１００）のエリアマップを有し、無線通信方式２に関
する制御情報を伝送した端末の位置から最も近い無線通
信方式２の基地局２（１００）を知ることができる。The base station 1 (110) of the wireless communication system 1
The base station 2 of the wireless communication system 2 in the cell constituting the base station 2
The base station 2 (100) of the wireless communication system 2 having the area map of (100) and closest to the terminal transmitting the control information on the wireless communication system 2 can be known.
【００１０】図２は本発明の実施例を示すフローチャー
トである。無線通信方式２の端末２（１０１）から発呼
信号を基地局２（１００）へ送信する時、無線通信方式
２の圏内であれば通信開始する（２１０）。圏外の場
合、無線通信方式１の端末１（１１１）から基地局１へ
（１１０）、無線通信方式２の端末２（１０１）が圏外
から発呼信号を送信していることを知らせる無線通信方
式２の使用許可要求信号を送信する（２０２）。無線通
信方式２の基地局２（１００）は基地局１（１１０）を
介し使用許可要求を受信し（２０３）、基地局２（１０
０）は一時的に送信電力を増大する（２０５）。FIG. 2 is a flowchart showing an embodiment of the present invention. When a call signal is transmitted from the terminal 2 (101) of the wireless communication system 2 to the base station 2 (100), the communication is started within the wireless communication system 2 (210). In the case of being out of the service area, the wireless communication method for notifying that the terminal 1 (111) of the wireless communication method 1 transmits to the base station 1 (110) and that the terminal 2 (101) of the wireless communication method 2 is transmitting a call signal from outside the service area 2 is transmitted (202). The base station 2 (100) of the wireless communication system 2 receives the use permission request via the base station 1 (110) (203), and
0) temporarily increases the transmission power (205).
【００１１】基地局２（１００）の送信電力を増大して
も基地局２（１００）からの信号が端末で捕捉できなけ
れば、呼損となる（２０９）。基地局２（１００）の送
信電力の増大により基地局２（１００）からの信号が受
信可能となれば、無線通信方式２の端末２は（１０１）
は受信のみを行う（２０７）。同時に無線通信方式１を
上りの通信チャネルとして用いて通信を開始する（２０
８）。通信が終了すれば無線通信方式２の基地局２（１
００）の送信電力の大きさは元の送信電力に戻す。Even if the transmission power of base station 2 (100) is increased, if a signal from base station 2 (100) cannot be captured by the terminal, a call loss occurs (209). If the signal from the base station 2 (100) can be received due to the increase in the transmission power of the base station 2 (100), the terminal 2 of the wireless communication system 2 becomes (101)
Performs only reception (207). At the same time, communication is started using the wireless communication system 1 as an uplink communication channel (20).
8). When the communication is completed, the base station 2 (1
The magnitude of the transmission power of 00) is returned to the original transmission power.
【００１２】図３に示すように、無線通信方式２の端末
２（１０１）がセル内に移動し（３０９）、端末２（１
０１）からの送信信号を基地局２（１００）が捕捉する
ことができれば、双方向を無線通信方式２を用いて通信
を行う（３１１）。この時、無線通信方式２の基地局２
（１００）の送信電力の大きさは元の送信電力に戻す。As shown in FIG. 3, the terminal 2 (101) of the wireless communication system 2 moves into the cell (309), and the terminal 2 (1)
If the base station 2 (100) can capture the transmission signal from the base station 2 (100), bidirectional communication is performed using the wireless communication system 2 (311). At this time, the base station 2 of the wireless communication system 2
The magnitude of the transmission power of (100) is returned to the original transmission power.
【００１３】図４は本発明の実施例を示すフローチャー
トである。無線通信方式２の基地局２（１００）から着
呼信号を端末２（１０１）へ送信する時、無線通信方式
２の圏内であれば通信開始する（４０９）。圏外の場
合、無線通信方式１の基地局１（１１０）から端末１
（１１１）へ、無線通信方式２の基地局２（１００）が
圏外の端末２（１０１）へ着呼信号を送信していること
を知らせる。無線通信方式１を通じて着呼信号があるこ
とを知った端末２（１０１）は、無線通信方式１を通じ
て無線通信方式２の使用許可要求信号を送信する。無線
通信方式２の基地局２（１００）は基地局１（１１０）
を介し使用許可要求を受信し、基地局２（１００）は一
時的に送信電力を増大する（４０４）。FIG. 4 is a flowchart showing an embodiment of the present invention. When transmitting an incoming call signal from the base station 2 (100) of the wireless communication method 2 to the terminal 2 (101), communication is started if the area is within the wireless communication method 2 (409). In the case of being out of the service area, the base station 1 (110) of the wireless communication system 1
(111) that the base station 2 (100) of the wireless communication system 2 is transmitting the incoming call signal to the out-of-service terminal 2 (101). The terminal 2 (101), which has learned that there is an incoming call signal through the wireless communication method 1, transmits a use permission request signal of the wireless communication method 2 through the wireless communication method 1. Base station 2 (100) of wireless communication system 2 is base station 1 (110)
, The base station 2 (100) temporarily increases the transmission power (404).
【００１４】基地局２（１００）の送信電力を増大して
も基地局２（１００）からの信号が端末２（１０１）で
捕捉できなければ、呼損となる（４０６）。基地局２
（１００）の送信電力の増大により基地局２（１００）
からの信号が受信可能となれば、無線通信方式２の端末
２（１０１）は受信のみを行う（２０７）。同時に無線
通信方式１を上りの通信チャネルとして用いて通信を開
始する。通信が終了すれば無線通信方式２の基地局２の
送信電力の大きさは元の送信電力に戻す。If a signal from the base station 2 (100) cannot be captured by the terminal 2 (101) even if the transmission power of the base station 2 (100) is increased, a call loss occurs (406). Base station 2
Base station 2 (100) due to the increase in transmission power of (100)
When the terminal 2 (101) of the wireless communication system 2 can receive the signal from the wireless communication system 2, only the reception is performed (207). At the same time, communication is started using the wireless communication system 1 as an uplink communication channel. When the communication ends, the magnitude of the transmission power of the base station 2 of the wireless communication system 2 is returned to the original transmission power.
【００１５】図５に示すように、無線通信方式２の端末
２（１０１）がセル内に移動し、端末（１０１）からの
送信信号を基地局２（１００）が捕捉することができれ
ば、双方向を無線通信方式２を用いて通信を行う。この
時、無線通信方式２の基地局２（１００）の送信電力の
大きさは元の送信電力に戻す。As shown in FIG. 5, if the terminal 2 (101) of the wireless communication system 2 moves into the cell and the base station 2 (100) can capture the transmission signal from the terminal (101), The communication is performed using the wireless communication system 2 for the communication direction. At this time, the magnitude of the transmission power of the base station 2 (100) of the wireless communication system 2 is returned to the original transmission power.
【００１６】[0016]
【発明の効果】本発明は移動通信において異なる無線通
信方式が同時に存在する場合、それぞれの異なる通信速
度を持つ通信システムを同時に用いて上りと下りの伝送
速度が異なる非対称通信を行う。この場合、セルの大き
さが大きい無線通信システムを用いてセルの大きさが小
さい無線通信システムの基地局からの送信電力を増大
し、セルの大きさが小さい無線通信システムを用いて下
り方向の高速通信を保証する。一方、セルの大きさが大
きい無線通信システムを用いて上り方向の比較的速度の
遅い通信を保証する。このように非対称通信において、
セルの大きさが大きい無線通信システムの圏内であれ
ば、セルの大きさが小さい無線通信システムの圏外の端
末に対して通信を可能とする。According to the present invention, when different wireless communication systems are simultaneously present in mobile communication, asymmetric communication having different uplink and downlink transmission speeds is performed by simultaneously using communication systems having different communication speeds. In this case, the transmission power from the base station of the wireless communication system with a small cell size is increased using a wireless communication system with a large cell size, and the downlink power is increased using a wireless communication system with a small cell size. Ensure high-speed communication. On the other hand, the use of a wireless communication system having a large cell size guarantees relatively slow upstream communication. Thus, in asymmetric communication,
If it is within the range of a wireless communication system having a large cell size, communication is possible with a terminal outside the range of the wireless communication system having a small cell size.
【００１７】従来の方式では、無線通信方式２の圏外で
は通信を行うことができなかった。本発明によると、無
線通信方式２の信号の捕捉できるエリア面積に対する送
信電力を上げた時のバーチャルエリア（下りの場合）が
大きくなり、呼損を少なくすることができる。In the conventional system, communication could not be performed outside the coverage of the wireless communication system 2. According to the present invention, the virtual area (in the case of downlink) when the transmission power is increased with respect to the area area in which the signal of the wireless communication system 2 can be captured is increased, and call loss can be reduced.
【図１】本発明の概要を説明する図である。FIG. 1 is a diagram illustrating an outline of the present invention.
【図２】端末から発呼する場合のフローチャート（１）
である。FIG. 2 is a flowchart when a call is made from a terminal (1).
It is.
【図３】端末から発呼する場合のフローチャート（２）
である。FIG. 3 is a flowchart (2) for calling from a terminal.
It is.
【図４】端末へ着呼がある場合のフローチャート（１）
である。FIG. 4 is a flowchart (1) when there is an incoming call to a terminal;
It is.
【図５】端末へ着呼がある場合のフローチャート（２）
である。FIG. 5 is a flowchart (2) when there is an incoming call to a terminal;
It is.
【図６】従来のシステム概念を説明する図である。FIG. 6 is a diagram illustrating a conventional system concept.
１００ 無線通信方式２の基地局２ １０１ 無線通信方式２の端末２ １０２ 無線通信方式２のセル １０３ バーチャルセル １１０ 無線通信方式１の基地局１ １１１ 無線通信方式１の端末１ １１２ 無線通信方式１のセル Reference Signs List 100 base station 2 of wireless communication method 2 101 terminal 2 of wireless communication method 2 102 cell of wireless communication method 2 103 virtual cell 110 base station 1 of wireless communication method 1 111 terminal 1 of wireless communication method 1 112 terminal of wireless communication method 1 cell
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H04B 7/24 - 7/26 H04Q 7/00 - 7/38 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) H04B 7/ 24-7/26 H04Q 7 /00-7/38
Claims (3)
線通信方式と、該第１の無線通信方式よりも高速通信が
可能であり且つ電波到達範囲が小ゾーンであり通信方式
が異なる第２の無線通信方式とが、前記大ゾーンの中に
前記小ゾーンが少なくとも一つ包含されるように混在す
る無線通信方法において、前記第１及び第２の方式を用いて送受信できる端末と、
前記第１の方式を用いる第１の基地局と、前記第２の方
式を用いる第２の基地局とを有し、 前記第２の基地局と前記第１の基地局とは、更に、前記
第１の方式を用いて制御情報を送受信でき、 高速な伝送を希望する端末が通信を行う際に、前記端末
は、前記第２の基地局からの信号を捕捉することを試
み、捕捉できれば前記第２の方式を用いた通信を開始
し、 捕捉できなければ、前記端末は、前記第１の方式を用い
て、前記第２の方式のチャネル使用許可の要求信号を前
記第１の基地局へ送信し、該第１の基地局は、その信号
を前記第２の基地局へ通知し、該第２の基地局は、前記
端末が前記第２の基地局からの信号を捕捉することがで
きるように送信電力をあげ、前記 端末が前記第２の基地局からの信号を捕捉できれ
ば、前記第２の基地局から前記端末への下り方向の通信
チャネルと、前記端末から前記第１の基地局への上り方
向の通信チャネルとを用いて通信を行うことを特徴とす
る無線通信方法。1. A first wireless communication system in which a radio wave reach is a large zone.
Line communication method,Higher speed communication than the first wireless communication method
Is possible andRadio range is small zone and communication method
Is different from the second wireless communication system in the large zone.
Mixed so that at least one of the small zones is included
Wireless communication method,A terminal capable of transmitting and receiving using the first and second schemes,
A first base station using the first scheme and the second base station
A second base station using the formula, The second base station and the first base station further comprise:
Control information can be transmitted and received using the first method, When a terminal that wants high-speed transmission performs communication,The terminal
Is from the second base stationTry to capture the signal of
If you can captureSaidSecondOneStart communication using expression
And if you ca n’t catch it,The terminal isFirstOneUsing the formula
hand,SaidSecondOneExpression of channel use request signalPrevious
FirstTo the base station,The firstBase station, That signal
The aboveSecondofTo base stationNotify,The second base station comprises:
Terminal isSaidCan capture the signal from the second base station
Increase the transmission power so thatSaid Terminal isThe secondSignal from base stationToCan catch
BaAnd saidSecondofFrom the base stationSaidDownlink communication to terminal
Channels andAnd saidFrom terminalThe firstHow to get to the base station
Communication channelWhenCommunication using
Wireless communication method.
し、前記端末による着信を確認できれば、前記第２の方
式を用いた通信を開始し、前記端末による着信を確認 できなければ、前記第２の基
地局は、着信があることを前記第１の基地局へ通知し、
該第１の基地局はその旨を前記端末へ通知することを特
徴とする請求項１に記載の無線通信方法。2. The method according to claim 1, wherein the second base station calls the terminal.
If the incoming call by the terminal can be confirmed, the communication using the second method is started, and if the incoming call by the terminal cannot be confirmed , the second base
The base station notifies the first base station that there is an incoming call ,
The wireless communication method according to claim 1 , wherein the first base station notifies the terminal to that effect .
た時には、上りと下りの両方向を前記第２の方式の通信
チャネルを用いて通信を行うことを特徴とする請求項１
又は２に記載の無線通信方法。Wherein the terminal is entered within the second person formula
Was sometimes claim 1, wherein the communicating using a communication channel in both directions up and down the second person formula
Or second radio communication method according to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24235995A JP3189160B2 (en) | 1995-08-29 | 1995-08-29 | Wireless communication method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24235995A JP3189160B2 (en) | 1995-08-29 | 1995-08-29 | Wireless communication method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0965422A JPH0965422A (en) | 1997-03-07 |
| JP3189160B2 true JP3189160B2 (en) | 2001-07-16 |
Family
ID=17088019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24235995A Expired - Fee Related JP3189160B2 (en) | 1995-08-29 | 1995-08-29 | Wireless communication method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3189160B2 (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000023225A (en) * | 1998-06-30 | 2000-01-21 | Kyocera Corp | Portable telephone system |
| KR100430597B1 (en) | 2000-09-29 | 2004-05-10 | 가부시키가이샤 엔.티.티.도코모 | Cell control method and cell system |
| WO2007066577A1 (en) * | 2005-12-08 | 2007-06-14 | Sharp Kabushiki Kaisha | Radio communication system, and radio communication method |
| JP4886595B2 (en) * | 2007-05-25 | 2012-02-29 | 株式会社東芝 | Mobile communication repeater device, slave station and communication control method |
| WO2009133952A1 (en) | 2008-05-02 | 2009-11-05 | 株式会社エヌ・ティ・ティ・ドコモ | Network device and radio base station |
-
1995
- 1995-08-29 JP JP24235995A patent/JP3189160B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0965422A (en) | 1997-03-07 |
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