JPH11205843A - Radio telephone system - Google Patents
Radio telephone systemInfo
- Publication number
- JPH11205843A JPH11205843A JP10008784A JP878498A JPH11205843A JP H11205843 A JPH11205843 A JP H11205843A JP 10008784 A JP10008784 A JP 10008784A JP 878498 A JP878498 A JP 878498A JP H11205843 A JPH11205843 A JP H11205843A
- Authority
- JP
- Japan
- Prior art keywords
- signal strength
- base station
- station
- wireless
- radio base
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0245—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal according to signal strength
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Transceivers (AREA)
- Telephone Function (AREA)
Abstract
Description
【産業上の利用分野】本発明は、自局の無線基地局から
の信号強度が弱まり、他の無線基地局に接続を変更する
際の切替え動作の改良に関し、特に、移動機の消費電力
を減少させた無線電話装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a switching operation when a signal from a radio base station of a local station is weakened and a connection is changed to another radio base station. A reduced radiotelephone device.
【従来の技術】無線電話装置は、移動機を移動させたと
きでも最良の通話が確保できるよう、最も強い受信強度
が得られる無線基地局を選択し、その無線基地局と移動
機とを接続して通話を行わせるようにしている。そのた
め、移動機は、通話中、および通話を実行していない待
受け状態においても、接続している無線基地局（自局と
する。）の他に、自局周辺の無線基地局からの信号を受
信し、それら周辺の無線基地局の信号強度を検出して、
接続されている自局の信号強度と他の無線基地局からの
信号強度との比較を行なっている。そして、他の無線基
地局からの信号強度が自局の信号強度より強ければ、移
動機が他の無線基地局のゾーン内に侵入しているとし
て、最も信号強度の強い無線基地局に接続を変更して、
通信を行なっていた。2. Description of the Related Art A radio telephone apparatus selects a radio base station having the highest reception strength so as to ensure the best communication even when a mobile station is moved, and connects the radio base station to the mobile station. To make a call. Therefore, even during a call and in a standby state in which a call is not being executed, the mobile station transmits signals from wireless base stations in the vicinity of the mobile station in addition to the connected wireless base station (hereinafter referred to as “own station”). Receiving, detecting the signal strength of the wireless base stations around them,
The signal strength of the connected own station is compared with the signal strength from another wireless base station. If the signal strength from the other wireless base station is stronger than the signal strength of the own station, it is determined that the mobile station has entered the zone of the other wireless base station, and the connection to the wireless base station with the strongest signal strength is established. Change it,
Communication was taking place.
【発明が解決しようとする課題】しかしながら、従来の
無線電話装置は、上述したように移動機で常に周辺の他
の無線基地局からの受信強度を検出しているため、検出
動作のための電力消費量が大きく、バッテリの連続使用
時間の短縮を招いていた。このように、従来は自局の信
号強度に関わらず他の無線基地局の信号強度を検出して
おり、信号を検出した場合でも検出された無線基地局の
信号強度が弱ければ、チャネルを切り替えることはな
く、検出動作が無駄になっていた。４ 本発明は、移動
機において無線基地局を変更する動作を改良し、無線基
地局変更に要する電力消費量を低減させ、バッテリの浪
費を防止した無線電話装置、および無線電話装置の無線
基地局変更方法を提供することを目的とする。However, in the conventional radio telephone apparatus, the mobile station always detects the reception intensity from other radio base stations in the vicinity as described above. The power consumption is large, and the continuous use time of the battery is shortened. As described above, conventionally, the signal strength of another wireless base station is detected regardless of the signal strength of the own station, and even if a signal is detected, the channel is switched if the detected signal strength of the wireless base station is weak. And the detection operation was wasted. 4. The present invention improves the operation of changing the radio base station in a mobile device, reduces the power consumption required for changing the radio base station, and prevents battery waste, and the radio base station of the radio telephone device. The purpose is to provide a change method.
【課題を解決するための手段】本発明は、上記課題を解
決するため、無線電話装置、および無線電話装置の無線
基地局変更方法を、次ぎのように構成した。すなわち、
移動機を、接続されている無線基地局の信号強度を検出
する検出手段と、信号強度の閾値を記憶する記憶手段
と、周辺基地局の信号強度を検出する第二検出手段と、
自局の受信強度が記憶手段に記憶されている閾値より低
下するまで周辺の無線基地局の受信強度の検出を行なわ
ず、閾値以下になった段階で、第二検出手段を作動させ
て周辺の無線基地局の信号強度を検出する制御手段とか
ら構成した。これにより、自局の信号強度が通話を継続
させるに十分な強度を保持している場合には、自局周辺
の他の無線基地局の信号強度を検出する動作を行なうこ
とがなく、信号強度検出のための電力を浪費することが
なく、移動局に装着されている電池の使用可能時間を延
長することができる。又、自局の受信強度が記憶手段に
記憶されている閾値より低下すると自局の無線基地局の
信号強度と他の最大強度の信号の無線基地局の信号強度
とを比較し、他の無線基地局の信号の強度の方が自局の
信号強度より所定値以上高い場合にのみ、その無線基地
局にチャネルに変更する制御手段とした。According to the present invention, in order to solve the above-mentioned problems, a radio telephone device and a radio base station changing method of the radio telephone device are configured as follows. That is,
Mobile device, detection means for detecting the signal strength of the connected radio base station, storage means for storing a signal strength threshold, and second detection means for detecting the signal strength of the peripheral base station,
Until the reception strength of the own station falls below the threshold value stored in the storage means, the detection of the reception strength of the surrounding radio base station is not performed. And control means for detecting the signal strength of the wireless base station. Accordingly, when the signal strength of the own station is strong enough to continue the call, the operation of detecting the signal strength of the other wireless base stations around the own station is not performed, and the signal strength is reduced. It is possible to extend the usable time of the battery installed in the mobile station without wasting power for detection. When the reception strength of the own station falls below the threshold value stored in the storage means, the signal strength of the wireless base station of the own station is compared with the signal strength of the wireless base station of the signal of the other maximum strength, and the other wireless base stations are compared with each other. Only when the signal strength of the base station is higher than the signal strength of the own station by a predetermined value or more, the control means changes the channel to the radio base station.
【発明の実施の形態】以下、本発明にかかる無線電話装
置の一実施の形態について図を用いて説明する。無線電
話装置は、図３に示すようにゾーン３毎に設けられた無
線基地局２と、移動可能な移動局４等からなり、移動局
４と、無線基地局２とを接続し、通話を行わせる。図１
に移動機４の制御のブロック図を示す。移動局４は、図
１に示すように送受信装置６と、アンテナ８と、無線基
地局２の信号の強度を検出する検出手段１０と、閾値を
記憶する記憶手段１２と、検出手段１０が検出した信号
強度が閾値を超えたか否かを判断する判断手段１４と、
接続されていない他の無線基地局２の信号強度を検出す
る第二検出手段１６と、自局の信号強度と他の無線基地
局２の信号強度とを比較する比較手段１８と、無線基地
局２を切り替える切替手段２０と、全体を制御する制御
手段２２等から構成してある。検出手段１０は、接続し
ている無線基地局２の信号強度を常に、あるいは一定時
間ごとに検出し、検出した信号強度を制御手段２２に送
り出す。記憶手段１２に記憶されている閾値は、通信を
確実に実行できるための最低限の信号強度から求められ
た値であり、閾値より信号強度が下回った場合は周辺の
他の無線基地局２へ変更した方が望ましいとされる値で
ある。判断手段１４は、記憶手段１２に記憶されている
閾値と検出手段１０が検出した信号強度とを比較し、自
局の信号強度が閾値以下になっていないか否かを判断
し、自局の信号強度が閾値を下回った場合にはその旨を
制御手段２２に通知する。第二検出手段１６は、自局以
外の周辺の他の無線基地局２の信号強度を検出する。な
お、検出手段を一つとし、検出する無線基地局２を切り
替えることにより周辺の他の無線基地局２の信号強度を
受信するようにしてもよい。比較手段１８は、第二検出
手段１６が検出した他の無線基地局の中から最大の信号
強度を有する無線基地局２を選択し、その無線基地局２
の信号強度と自局の信号強度とを比較する。そして、選
択された無線基地局２の信号強度の方が自局の信号強度
より所定値以上大きい場合は、その旨を制御手段２２に
通知する。切替手段２０は、比較手段１８から、自局の
信号強度より大きい信号強度の無線基地局２が存在する
旨の通知が制御手段２２に送られた場合に、制御手段２
２から切替えの指示が出され、その指示に従って、第二
検出手段１６が検出した最大信号強度の無線基地局２に
接続を切り替える。つぎに、無線電話装置１の作用につ
いて図２を参照して説明する。まず、移動機４は、移動
機４が含まれるゾーン３の無線基地局２を検出し、その
無線基地局２と接続する（Ｆ−１）。また移動機４で
は、待受中、あるいは通話中でも、検出手段１０が、接
続している無線基地局２の信号強度を常に検出し（Ｆ−
２）、判断手段１４が、閾値と信号強度とを比較する
（Ｆ−３）。そして、自局の信号強度の方が閾値より高
ければ、待ち受け中でも通話中でもその状態を継続させ
る。一方、判断手段１４が、信号強度が閾値より下回っ
たと判断した場合は（Ｆ−３）、第二検出手段１６を作
動させ、移動機４周辺の他の無線基地局２の信号を検出
し（Ｆ−４）、その値は比較手段１８に送られる。比較
手段１８では、検出された各無線基地局２の信号から、
最大信号強度の無線基地局２を選択する（Ｆ−５）。更
に、最大強度の無線基地局２の信号強度と自局の信号強
度とが比較され（Ｆ−６）、自局の信号強度より他の無
線基地局２の信号強度の方が所定値以上強い場合は、切
替手段２０によってその最大強度の無線基地局２にチャ
ネルが切り替えられる（Ｆ−７）。したがって、上記無
線電話装置１によれば、自局の受信強度が記憶手段１２
に記憶されている閾値より高ければ、周辺の無線基地局
２の信号強度の検出を行なわないことから、消費電力を
低減でき、電池の浪費を防止することができる。そし
て、実際に移動機４が移動等して自局の無線基地局２の
信号強度が低下した場合には、他の最大信号強度の無線
基地局２に接続が変更され、最適な通信が実現できる。BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram showing an embodiment of a radio telephone apparatus according to the present invention. The wireless telephone device includes a wireless base station 2 provided for each zone 3 as shown in FIG. 3, a movable mobile station 4 and the like, and connects the mobile station 4 and the wireless base station 2 to communicate with each other. Let it do. FIG.
2 shows a block diagram of control of the mobile device 4. As shown in FIG. 1, the mobile station 4 includes a transmitting / receiving device 6, an antenna 8, a detecting unit 10 for detecting a signal strength of the radio base station 2, a storing unit 12 for storing a threshold value, and the detecting unit 10 Determining means 14 for determining whether the obtained signal strength exceeds a threshold,
Second detecting means 16 for detecting the signal strength of another wireless base station 2 not connected, comparing means 18 for comparing the signal strength of the own station with the signal strength of another wireless base station 2, 2 and a control means 22 for controlling the whole. The detecting means 10 constantly or at regular intervals detects the signal strength of the connected radio base station 2, and sends out the detected signal strength to the control means 22. The threshold value stored in the storage means 12 is a value obtained from the minimum signal strength required for reliably executing communication. If the signal strength is lower than the threshold value, the threshold value is transmitted to another wireless base station 2 in the vicinity. This is a value that should be changed. The determination means 14 compares the threshold value stored in the storage means 12 with the signal strength detected by the detection means 10 and determines whether or not the signal strength of the own station is not less than the threshold value. If the signal strength falls below the threshold, the control unit 22 is notified of that fact. The second detecting means 16 detects the signal strength of other wireless base stations 2 other than the local station. It should be noted that the number of detecting means may be set to one, and the signal strengths of other surrounding wireless base stations 2 may be received by switching the wireless base station 2 to be detected. The comparing means 18 selects the radio base station 2 having the maximum signal strength from the other radio base stations detected by the second detecting means 16, and selects the radio base station 2
Is compared with the signal strength of the own station. If the signal strength of the selected wireless base station 2 is larger than the signal strength of the own station by a predetermined value or more, the control unit 22 is notified of this fact. The switching unit 20 receives the notification from the comparing unit 18 that the wireless base station 2 having a signal strength greater than the signal strength of the own station is present to the control unit 22.
2, a switching instruction is issued, and in accordance with the instruction, the connection is switched to the wireless base station 2 having the maximum signal strength detected by the second detection means 16. Next, the operation of the wireless telephone device 1 will be described with reference to FIG. First, the mobile device 4 detects the radio base station 2 in the zone 3 including the mobile device 4, and connects to the radio base station 2 (F-1). Also, in the mobile device 4, the detection means 10 always detects the signal strength of the connected radio base station 2 even during standby or during a call (F-
2), the judgment means 14 compares the threshold with the signal strength (F-3). Then, if the signal strength of the own station is higher than the threshold value, the state is continued during standby and during a call. On the other hand, when the determining means 14 determines that the signal strength is lower than the threshold value (F-3), it activates the second detecting means 16 to detect signals of other wireless base stations 2 around the mobile device 4 ( F-4), the value is sent to the comparing means 18. In the comparing means 18, from the detected signal of each wireless base station 2,
The wireless base station 2 having the maximum signal strength is selected (F-5). Further, the signal strength of the wireless base station 2 having the maximum strength is compared with the signal strength of the own station (F-6), and the signal strength of the other wireless base station 2 is stronger than the signal strength of the own station by a predetermined value or more. In this case, the switching unit 20 switches the channel to the wireless base station 2 having the maximum strength (F-7). Therefore, according to the wireless telephone device 1, the reception strength of the own station is stored in the storage unit 12
If the threshold value is higher than the threshold value stored in the base station, the signal strength of the peripheral wireless base station 2 is not detected, so that the power consumption can be reduced and the consumption of the battery can be prevented. When the mobile station 4 actually moves and the signal strength of the wireless base station 2 of the own station decreases, the connection is changed to the wireless base station 2 having the other maximum signal strength, and the optimum communication is realized. it can.
【発明の効果】第１の効果は、自局の受信強度が閾値以
下になるまで他の無線基地局の信号強度の検出を行なわ
ないことから、無線基地局の検出動作の電力消費を低減
でき、電池の浪費を防止することができる。第２の効果
は、自局の強度が閾値より低下しても、周辺の無線基地
局の信号強度より高ければ、チャネルを変更しないの
で、弱い信号強度の無線基地局に切り替えられることを
防止できる。第３の効果は、自局の強度が閾値より低下
しても、周辺の無線基地局の信号強度が自局より所定値
以上高くなければ、チャネルを変更しないので、同じ程
度の強度の無線基地局に頻繁に切り替えられることを防
止できる。The first effect is that the power consumption of the detection operation of the radio base station can be reduced because the signal strength of the other radio base station is not detected until the reception strength of the own station becomes lower than the threshold value. In addition, the battery can be prevented from being wasted. The second effect is that even if the strength of the own station is lower than the threshold value, if the signal strength is higher than the signal strength of the surrounding radio base station, the channel is not changed, so that it is possible to prevent switching to a radio base station with a weak signal strength. . The third effect is that even if the strength of the own station is lower than the threshold value, the channel is not changed unless the signal strength of the surrounding wireless base station is higher than the own station by a predetermined value or more. Frequent switching to the station can be prevented.
【図１】本発明の無線電話装置の制御手段を示すブロッ
ク図である。FIG. 1 is a block diagram showing control means of a wireless telephone device of the present invention.
【図２】本発明にかかるフローチャートである。FIG. 2 is a flowchart according to the present invention.
【図３】無線電話装置を示す全体図である。FIG. 3 is an overall view showing a wireless telephone device.
１ 無線電話装置 ２ 無線基地局 ３ ゾーン ４ 移動機 ６ 送受信装置 ８ アンテナ １０ 検出手段 １２ 記憶手段 １４ 判断手段 １６ 第二検出手段 １８ 比較手段 ２０ 切替手段 ２２ 制御手段 REFERENCE SIGNS LIST 1 wireless telephone device 2 wireless base station 3 zone 4 mobile device 6 transmitting / receiving device 8 antenna 10 detecting means 12 storage means 14 determining means 16 second detecting means 18 comparing means 20 switching means 22 control means
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【手続補正書】[Procedure amendment]
【提出日】平成１１年１月２１日[Submission date] January 21, 1999
【手続補正１】[Procedure amendment 1]
【補正対象書類名】明細書[Document name to be amended] Statement
【補正対象項目名】特許請求の範囲[Correction target item name] Claims
【補正方法】変更[Correction method] Change
【補正内容】[Correction contents]
【特許請求の範囲】[Claims]
【請求項３】 自局周辺の無線基地局の信号強度の検出
を行なった後、再度自局の信号強度を検出し、検出した
自局の信号強度が前記閾値を上回っている場合には、自
局との接続を継続させることを特徴とする請求項１〜３
のいずれか１項に記載の無線電話装置。 3. After detecting the signal strength of a wireless base station around the own station, the signal strength of the own station is detected again. If the detected signal strength of the own station is higher than the threshold value, 4. The connection with the own station is continued.
The wireless telephone device according to any one of the above.
【請求項４】 複数の無線基地局からの信号の受信強度
を検出し、受信強度に基づいて選択した無線基地局と無
線回線を介して通話を行なうようにした無線電話装置に
おいて、 自局の信号強度が予め記憶されている閾値以下になる
と、自局周辺の無線基地局の信号強度の検出を行ない、
検出した信号強度の中から最大の信号強度の無線基地局
を選択し、その信号強度と自局の無線基地局の信号強度
とを比較し、自局の信号強度より所定値以上大きい場合
にその無線基地局を選択し、その信号の無線基地局と接
続することとした無線電話基地局切替方法。 4. A wireless telephone device for detecting reception strengths of signals from a plurality of radio base stations and communicating with a radio base station selected based on the reception strengths via a radio line. When the signal strength becomes equal to or less than the threshold value stored in advance, the signal strength of the wireless base station around the own station is detected,
From the detected signal strengths, a radio base station with the highest signal strength is selected, and the signal strength is compared with the signal strength of the radio base station of the own station. A wireless telephone base station switching method in which a wireless base station is selected and connected to the wireless base station of the signal.
【請求項５】 自局周辺の無線基地局の信号強度の検出
を行なった後、再度自局の信号強度を検出し、検出した
自局の信号強度が前記閾値を上回っている場合には、自
局との接続を継続させることを特徴とする請求項５に記
載の無線電話基地局の切替方法。 5. After detecting the signal strength of a wireless base station in the vicinity of the own station, the signal strength of the own station is detected again. If the detected signal strength of the own station exceeds the threshold value, 6. The method according to claim 5, wherein the connection with the own station is continued.
Claims (6)
を検出し、受信強度に基づいて選択した無線基地局と無
線回線を介して通話を行なうようにした無線電話装置に
おいて、 無線基地局からの信号強度を検出する検出手段と、信号
強度の閾値を記憶する記憶手段とを有し、制御手段は前
記信号の受信強度が前記閾値以下になった段階で、自局
の周辺の他の無線基地局の信号検出動作を実行すること
を特徴とした無線電話装置。1. A wireless telephone device for detecting the reception strength of signals from a plurality of wireless base stations and communicating with a wireless base station selected based on the reception strength via a wireless line. Detecting means for detecting the signal strength from, and storage means for storing a threshold value of the signal strength, the control means, at the stage when the reception strength of the signal has become equal to or less than the threshold value, other control around the own station A wireless telephone device for performing a signal detection operation of a wireless base station.
号強度が予め設定した閾値以上では、周辺の他の無線基
地局の信号強度を検出せず、信号強度が前記閾値を下回
ったときに周辺の無線基地局の信号検出を開始するよう
にしたことを特徴とする請求項１に記載の無線電話装
置。2. The control means does not detect the signal strength of another surrounding radio base station when the signal strength of the radio base station of the own station is equal to or higher than a preset threshold, and the signal strength falls below the threshold. 2. The wireless telephone device according to claim 1, wherein signal detection of a nearby wireless base station is started at the time.
記憶されている閾値以下になると、自局周辺の無線基地
局の信号強度の検出を行ない、検出した信号強度の中か
ら最大の信号強度の無線基地局を選択し、その信号強度
と自局の無線基地局の信号強度とを比較し、自局の信号
強度より所定値以上大きい場合にその無線基地局を選択
し、その信号の無線基地局と接続することとした請求項
１に記載の無線電話装置。3. When the signal strength of the own station becomes equal to or less than a threshold value stored in advance, the control means detects the signal strength of a wireless base station in the vicinity of the own station, and detects the maximum signal strength from the detected signal strengths. A radio base station having a signal strength is selected, and the signal strength is compared with the signal strength of the radio base station of the own station. If the signal strength is larger than the signal strength of the self station by a predetermined value or more, the radio base station is selected, and The wireless telephone device according to claim 1, wherein the wireless telephone device is connected to a wireless base station.
を行なった後、再度自局の信号強度を検出し、検出した
自局の信号強度が前記閾値を上回っている場合には、自
局との接続を継続させることを特徴とする特徴とする請
求項１〜３のいずれか１項に記載の無線電話装置。4. After detecting the signal strength of a wireless base station around the own station, the signal strength of the own station is detected again. If the detected signal strength of the own station is higher than the threshold value, The wireless telephone device according to any one of claims 1 to 3, wherein the connection with the own station is continued.
を検出し、受信強度に基づいて選択した無線基地局と無
線回線を介して通話を行なうようにした無線電話装置に
おいて、 自局の信号強度が予め記憶されている閾値以下になる
と、自局周辺の無線基地局の信号強度の検出を行ない、
検出した信号強度の中から最大の信号強度の無線基地局
を選択し、その信号強度と自局の無線基地局の信号強度
とを比較し、自局の信号強度より所定値以上大きい場合
にその無線基地局を選択し、その信号の無線基地局と接
続することとした無線電話基地局切替方法。5. A wireless telephone device which detects reception strengths of signals from a plurality of radio base stations and performs a call via a radio line with a radio base station selected based on the reception strengths. When the signal strength becomes equal to or less than the threshold value stored in advance, the signal strength of the wireless base station around the own station is detected,
From the detected signal strengths, a radio base station with the highest signal strength is selected, and the signal strength is compared with the signal strength of the radio base station of the own station. A wireless telephone base station switching method in which a wireless base station is selected and connected to the wireless base station of the signal.
を行なった後、再度自局の信号強度を検出し、検出した
自局の信号強度が前記閾値を上回っている場合には、自
局との接続を継続させることを特徴とする特徴とする請
求項５に記載の無線電話基地局切替方法。6. After detecting the signal strength of the wireless base station around the own station, the signal strength of the own station is detected again. If the detected signal strength of the own station is higher than the threshold value, 6. The radio telephone base station switching method according to claim 5, wherein the connection with the own station is continued.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10008784A JPH11205843A (en) | 1998-01-20 | 1998-01-20 | Radio telephone system |
| CN99101336A CN1229328A (en) | 1998-01-20 | 1999-01-19 | Radio phone unit and radio phone base station switching method |
| GB9901226A GB2333424A (en) | 1998-01-20 | 1999-01-20 | Mobile phone unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10008784A JPH11205843A (en) | 1998-01-20 | 1998-01-20 | Radio telephone system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11205843A true JPH11205843A (en) | 1999-07-30 |
Family
ID=11702505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10008784A Pending JPH11205843A (en) | 1998-01-20 | 1998-01-20 | Radio telephone system |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPH11205843A (en) |
| CN (1) | CN1229328A (en) |
| GB (1) | GB2333424A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001013546A1 (en) * | 1999-08-18 | 2001-02-22 | Matsushita Electric Industrial Co., Ltd. | Mobile communication terminal and method of detecting received signal strength |
| US6757550B1 (en) | 1999-09-08 | 2004-06-29 | Sanyo Electric Co., Ltd. | Mobile station and base station |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001128204A (en) * | 1999-10-27 | 2001-05-11 | Matsushita Electric Ind Co Ltd | Mobile communication terminal and hand-over control method |
| JP3276619B2 (en) * | 1999-10-27 | 2002-04-22 | 松下電器産業株式会社 | Mobile communication terminal device and handover control method |
| JP2002291011A (en) * | 2001-03-23 | 2002-10-04 | Toshiba Corp | Radio equipment and handover control method for the same |
| US7110765B2 (en) * | 2002-08-27 | 2006-09-19 | Qualcomm Incorporated | Limiting cell reselection based on pilot power |
| US7299041B2 (en) | 2002-09-30 | 2007-11-20 | Sony Ericsson Mobile Communications Ab | Method and device of selecting a communication system |
| JP2005039336A (en) * | 2003-07-15 | 2005-02-10 | Kddi Corp | Interference signal suppression circuit and program |
| CN100415047C (en) * | 2005-05-31 | 2008-08-27 | 华为技术有限公司 | Alien-frequency hard switching-over method in wide-band CDMA system |
| JP4869036B2 (en) | 2006-11-20 | 2012-02-01 | 京セラ株式会社 | Voice communication device |
| CN101374009B (en) * | 2007-08-20 | 2013-12-04 | 中兴通讯股份有限公司 | Method for switching business channel of relay network |
| CN101466097B (en) * | 2007-12-17 | 2011-03-16 | 中兴通讯股份有限公司 | Method for providing continuous high speed access for mobile terminal |
| US9615401B2 (en) * | 2012-12-11 | 2017-04-04 | Qualcomm Incorporated | Methods and apparatus for updating a device configuration |
| CN105828396A (en) * | 2016-03-11 | 2016-08-03 | 珠海市磐石电子科技有限公司 | Method and system for switching channels in multiple channels |
| CN105939530A (en) * | 2016-06-23 | 2016-09-14 | 北京小米移动软件有限公司 | Wireless hotspot access method and device |
| CN113873686B (en) * | 2021-10-14 | 2024-08-16 | 福州思飞信息技术有限公司 | Electronic price tag base station switching method and device based on Internet of things |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2328582B (en) * | 1997-08-22 | 2002-06-19 | Nec Technologies | Mobile radio station -station monitoring control |
-
1998
- 1998-01-20 JP JP10008784A patent/JPH11205843A/en active Pending
-
1999
- 1999-01-19 CN CN99101336A patent/CN1229328A/en active Pending
- 1999-01-20 GB GB9901226A patent/GB2333424A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001013546A1 (en) * | 1999-08-18 | 2001-02-22 | Matsushita Electric Industrial Co., Ltd. | Mobile communication terminal and method of detecting received signal strength |
| US6725041B1 (en) | 1999-08-18 | 2004-04-20 | Matsushita Electric Industrial Co., Ltd. | Mobile communication terminal apparatus and received signal strength detecting method |
| US6757550B1 (en) | 1999-09-08 | 2004-06-29 | Sanyo Electric Co., Ltd. | Mobile station and base station |
| US7570948B2 (en) | 1999-09-08 | 2009-08-04 | Kyocera Corporation | Mobile station and base station |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1229328A (en) | 1999-09-22 |
| GB9901226D0 (en) | 1999-03-10 |
| GB2333424A (en) | 1999-07-21 |
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