JP2674159B2 - Wireless communication device - Google Patents
Wireless communication deviceInfo
- Publication number
- JP2674159B2 JP2674159B2 JP63299820A JP29982088A JP2674159B2 JP 2674159 B2 JP2674159 B2 JP 2674159B2 JP 63299820 A JP63299820 A JP 63299820A JP 29982088 A JP29982088 A JP 29982088A JP 2674159 B2 JP2674159 B2 JP 2674159B2
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- time
- unit
- time zone
- wireless 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 - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- 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
- Mobile Radio Communication Systems (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は、ワイヤレス通信装置の省電力化に関するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to power saving of a wireless communication device.
従来の技術 ワイヤレス通信装置は、電池駆動によって動作させる
ことが多い。したがって、電力消費を抑えることは電池
の寿命を延ばすために重要な問題である。特に受信部
は、いつ通信が来るか分からないので、必要な時だけ電
源を供給することはできない。よって、第３図に示すよ
うに、受信待機時にあらかじめ定められた時間間隔T1,T
2で電源を間歇に供給し、信号を検出した場合には、受
信終了まで連続供給する手段を取ることで省電力化を図
っていた。2. Description of the Related Art Wireless communication devices are often battery operated. Therefore, reducing power consumption is an important issue for extending battery life. In particular, the receiving unit cannot supply power only when necessary because it does not know when the communication will come. Therefore, as shown in FIG. 3, a predetermined time interval T 1 , T
When the power was intermittently supplied in 2 and a signal was detected, a means for continuously supplying power until the end of reception was used to save power.
発明が解決しようとする課題 しかしながら上記のような構成では、給電時間と給電
停止時間はあらかじめ固定であり、受信待機時の省電力
値は一定であるという課題を有していた。However, in the above-described configuration, the power supply time and the power supply stop time are fixed in advance, and the power saving value during reception standby is constant.
本発明はかかる従来の課題を解消するもので、通信の
頻度の少ない時に、給電時間の比率を下げることによっ
て、さらに省電力化を図ることを目的とする。The present invention solves such a conventional problem, and an object of the present invention is to further reduce power consumption by reducing the ratio of power supply time when the frequency of communication is low.
課題を解決するための手段 上記課題を解決するために本発明のワイヤレス通信装
置は、他局からワイヤレス通信によって伝送されてくる
信号を電力効率よく受信するため、間欠的に電源供給さ
れることによって間欠的に受信待機する受信部と、該受
信部への電源供給を制御する電源制御部と、１日の時刻
をカウントし、時間帯を特定するタイマー部を備え、前
記受信部への間欠的電源供給のパターンを前記タイマー
部により特定された時間帯によって切り替えるととも
に、前記他局へ信号を伝送するための送信部を有し、前
記受信部への間欠的電源供給のパターンが変化した時、
その内容を信号の送信元である他局に伝送する構成を備
えたものである。Means for Solving the Problems In order to solve the above problems, the wireless communication device of the present invention is intermittently supplied with power in order to efficiently and efficiently receive signals transmitted by wireless communication from other stations. The receiving unit that intermittently waits for reception, the power control unit that controls power supply to the receiving unit, and the timer unit that counts the time of day and specifies the time zone are provided. While switching the pattern of power supply according to the time zone specified by the timer unit, it has a transmitting unit for transmitting a signal to the other station, when the pattern of intermittent power supply to the receiving unit changes,
It is provided with a configuration for transmitting the content to another station which is a signal transmission source.
作用 本発明は上記した構成によって、通信の使用頻度の少
ない時間帯と多い時間帯を区別する手段として、タイマ
ー部で１日の時刻をカウントし、時間帯を特定できるよ
うにした。また、受信待機時に電源制御部から受信部へ
供給する電源の供給方法は、タイマー部からの指示によ
り、特定された時間帯によって、給電時間と給電停止時
間を変えることとした。これによって、給電率を時間帯
によって変えることが可能となり、受信待機時に消費さ
れる受信部の電力消費を可能な限り、低くくおさえるこ
とができるようになった。一方、これによって受信部に
よる間欠的受信動作のタイミングが変わるため、送信側
から送信された信号が、このままではキャッチ出来なく
なる。そこで受信側は、間欠的受信動作のタイミングを
変更したことを送信側に伝えることによって、送信側か
ら確実に受信できる信号を送信してもらうことができ
る。The present invention has the above-described configuration, and as a means for distinguishing a time zone in which communication is rarely used and a time zone in which communication is frequently used, the timer unit counts the time of day so that the time zone can be specified. Further, as a method of supplying power from the power supply control unit to the reception unit during standby for reception, the power supply time and the power supply stop time are changed according to the time zone specified by the instruction from the timer unit. As a result, the power supply rate can be changed depending on the time zone, and the power consumption of the reception unit consumed during reception standby can be suppressed as low as possible. On the other hand, since the timing of the intermittent receiving operation by the receiving unit is changed by this, the signal transmitted from the transmitting side cannot be caught as it is. Therefore, the receiving side can notify the transmitting side that the timing of the intermittent receiving operation has been changed so that the transmitting side can reliably transmit a signal that can be received.
実施例 以下、本発明の実施例を添付図面にもとづいて説明す
る。第１図はワイヤレス通信装置のブロッグ図である。
受信部１と送信部２は、それぞれアンテナ3,3′が接続
されている。通信制御部４よりの送信信号は、送信部２
によって変調されてアンテナ３より送信電波として他局
に送られる。アンテナ３′より入力された受信電波は、
受信部１によって復調されて通信制御部４に受信信号と
して入力される。電源制御部５は、受信部１、送信部２
の電源供給を制御する。送信部２への電源供給は、通信
制御部４の指示により送信信号出力中のみ行なわれる。
受信部１への電源供給は、受信待機時は給電、給電停止
の順番に間歇給電され、一旦信号が受信されると、信号
終了まで連続給電される。タイマー部６は、現在時刻の
設定と時刻のカウントが行なわれ、１日を第１の時間帯
と第２の時間帯に分けるために、開始時間と終了時間が
設定される。現在時刻が開始、終了時間の間であれば第
１の時間帯、それ以外を第２の時間帯である。電源制御
部５へは、第１の時間帯にはON信号、第２の時間帯には
OFF信号が出力される。電源制御部５は、タイマー部よ
りのON/OFF信号により、給電時間と給電停止時間を給電
率の異なる時間に変える。第２図は給電時間の切換を示
したタイムチャートである。給電停止時間T1,給電時間T
2で間歇給電されていた時に、タイマー部６よりの信号
がONからOFFに切り変わると、給電停止時間T3、給電時
間T2に変わる。この時、他局に向かって給電停止時間と
給電時間が変わったことが送信される。これは他局から
の受信信号は、必ず同期信号部とデータ部に分けられ、
給電停止時間より長い同期信号をデータ部の前に付ける
等、他局からの送信信号の通信プロトコルを変更し、確
実な通信を可能にするためである。Embodiments Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is a blog diagram of a wireless communication device.
Antennas 3 and 3'are connected to the receiving unit 1 and the transmitting unit 2, respectively. The transmission signal from the communication control unit 4 is transmitted by the transmission unit 2
Is modulated by and transmitted from the antenna 3 to another station as a transmission radio wave. The received radio wave input from the antenna 3'is
The signal is demodulated by the receiving unit 1 and input to the communication control unit 4 as a received signal. The power supply controller 5 includes a receiver 1 and a transmitter 2.
Control the power supply of. The power supply to the transmitter 2 is performed only while the transmission signal is being output according to an instruction from the communication controller 4.
The power supply to the receiving unit 1 is intermittently performed in the order of power feeding and power feeding stop during reception standby, and once a signal is received, continuous power feeding is performed until the signal ends. The timer unit 6 sets the current time and counts the time, and sets a start time and an end time in order to divide one day into a first time zone and a second time zone. If the current time is between the start time and the end time, it is the first time zone, and the other time is the second time zone. The power control unit 5 is turned on by the ON signal during the first time zone and by the second time zone.
OFF signal is output. The power supply control unit 5 changes the power supply time and the power supply stop time to different power supply rates according to an ON / OFF signal from the timer unit. FIG. 2 is a time chart showing switching of power supply time. Power supply stop time T 1 , Power supply time T
When the signal from the timer unit 6 is switched from ON to OFF while the power is intermittently supplied at 2 , the power supply stop time T 3 and the power supply time T 2 are changed. At this time, the fact that the power supply stop time and the power supply time have changed are transmitted to other stations. This is because the received signal from other stations is always divided into the sync signal part and the data part,
This is because the communication protocol of the transmission signal from another station is changed by, for example, attaching a synchronization signal that is longer than the power supply stop time to the front of the data section to enable reliable communication.
上記構成において、通信の頻度が高い時間帯や、速応
性が要求される時間帯は、タイマー部によって第１の時
間帯に設定し、それ以外の時間帯を第２の時間帯に設定
できる。したがって電源制御部によりおのおの時間帯ご
と自動的に給電率が変えられ、受信待機時の省電力化が
図れる。また、受信部の間欠的受信周期の切り換えによ
って生ずる通信タイミング外れの問題は、間欠的受信周
期の切り換えと同時に送信側にその内容を伝送する構成
としたため、通信プロトコルの修正が可能となり、確実
な通信が図れる。In the above configuration, the time section in which the frequency of communication is high and the time zone in which quick response is required can be set to the first time zone by the timer unit, and the other time zones can be set to the second time zone. Therefore, the power supply control unit automatically changes the power supply rate for each time period, thereby saving power during reception standby. In addition, the problem of communication timing deviation caused by the intermittent switching of the receiving section of the receiving unit is configured so that the contents are transmitted to the transmitting side at the same time as the switching of the intermittent receiving cycle. Communication can be achieved.
発明の効果 以上のように本発明のワイヤレス通信装置によれば、
受信待機時の受信部への電源供給は、タイマー部による
時間設定により、通信頻度が高いかまたは速応性が要求
される時間帯と、それ以外の時間帯に区別でき、電源制
御部によりおのおのの場合ごとに給電時間と給電停止時
間を変えることが可能となった。これにより必要に応じ
て給電率が変えられるので、受信部の省電力化をより一
層大きくすることができるものである。As described above, according to the wireless communication device of the present invention,
The power supply to the reception unit during reception standby can be distinguished by the time setting by the timer unit into the time period when communication frequency is high or quick response is required, and the other time period, and each is controlled by the power control unit. It has become possible to change the power supply time and the power supply stop time for each case. As a result, the power supply rate can be changed as needed, and thus the power saving of the receiving unit can be further increased.
第１図は本発明の一実施例におけるワイヤレス通信装置
のブロック図、第２図は給電時間の切換を示したタイム
チャート図、第３図は従来の間歇給電を示すタイムチャ
ート図である。 １……受信部、２……送信部、４……通信制御部、５…
…電源制御部、６……タイマー部。FIG. 1 is a block diagram of a wireless communication device according to an embodiment of the present invention, FIG. 2 is a time chart diagram showing switching of power feeding time, and FIG. 3 is a time chart diagram showing conventional intermittent power feeding. 1 ... Reception unit, 2 ... Transmission unit, 4 ... Communication control unit, 5 ...
… Power control part, 6 …… Timer part.
Claims (3)
くる信号を電力効率よく受信するため、間欠的に電源供
給されることによって間欠的に受信待機する受信部と、
該受信部への電源供給を制御する電源制御部と、１日の
時刻をカウントし、時間帯を特定するタイマー部を備
え、前記受信部への間欠的電源供給のパターンを前記タ
イマー部により特定された時間帯によって切り替えると
ともに、前記他局へ信号を伝送するための送信部を有
し、前記受信部への間欠的電源供給のパターンが変化し
た時、その内容を信号の送信元である他局に伝送する構
成としたワイヤレス通信装置。1. A receiving unit that intermittently waits for reception by being intermittently supplied with power in order to efficiently and efficiently receive a signal transmitted from another station by wireless communication.
A power supply control unit that controls power supply to the reception unit and a timer unit that counts the time of day and specifies a time zone are specified, and the pattern of intermittent power supply to the reception unit is specified by the timer unit. When the pattern of intermittent power supply to the receiving unit is changed, the contents are the source of the signal, while having the transmitting unit for transmitting the signal to the other station while switching according to the time zone A wireless communication device configured to transmit to a station.
時間帯ごとに給電率が切り替わる構成とした特許請求の
範囲第１項記載のワイヤレス通信装置。2. The wireless communication device according to claim 1, wherein the intermittent power supply to the receiving unit is configured such that the power supply rate is switched for each specified time zone.
間帯を特定するとともに、受信部への間欠的電源供給
は、それぞれの時間帯ごとに受信部への給電時間と給電
停止時間を変える構成とした特許請求の範囲第１項記載
のワイヤレス通信装置。3. The timer section identifies the first time zone and the second time zone, and the intermittent power supply to the receiving section is performed by supplying power to the receiving section and stopping power supply for each time zone. The wireless communication device according to claim 1, wherein the wireless communication device has a different configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63299820A JP2674159B2 (en) | 1988-11-28 | 1988-11-28 | Wireless communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63299820A JP2674159B2 (en) | 1988-11-28 | 1988-11-28 | Wireless communication device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02145029A JPH02145029A (en) | 1990-06-04 |
| JP2674159B2 true JP2674159B2 (en) | 1997-11-12 |
Family
ID=17877315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63299820A Expired - Lifetime JP2674159B2 (en) | 1988-11-28 | 1988-11-28 | Wireless communication device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2674159B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5627882A (en) * | 1993-06-02 | 1997-05-06 | U.S. Philips Corporation | Enhanced power saving method for hand-held communications system and a hand-held communications system therefor |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5995735A (en) * | 1982-11-24 | 1984-06-01 | Toshiba Corp | Battery saving system |
| JPS6291062A (en) * | 1985-10-17 | 1987-04-25 | Canon Inc | Communication device |
-
1988
- 1988-11-28 JP JP63299820A patent/JP2674159B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH02145029A (en) | 1990-06-04 |
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