JP4034327B2 - 受信機 - Google Patents
受信機 Download PDFInfo
- Publication number
- JP4034327B2 JP4034327B2 JP2005505168A JP2005505168A JP4034327B2 JP 4034327 B2 JP4034327 B2 JP 4034327B2 JP 2005505168 A JP2005505168 A JP 2005505168A JP 2005505168 A JP2005505168 A JP 2005505168A JP 4034327 B2 JP4034327 B2 JP 4034327B2
- Authority
- JP
- Japan
- Prior art keywords
- power
- communication quality
- unit
- value
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
-
- 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 Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuits Of Receivers In General (AREA)
- Mobile Radio Communication Systems (AREA)
- Transceivers (AREA)
Description
本実施の形態は、受信波の通信品質のみならず、送信波の送信電力(本明細書では送信波電力とも称する)にも基づいて受信部への供給電力を制御する送受信機である。
本実施の形態は、間欠受信を行う受信機であって、過去の間欠受信時の通信品質の平均値に基づいて受信部に供給すべき電力を制御する受信機である。
本実施の形態は、実施の形態1に係る送受信機の変形例であって、送信電力検出部11での検出結果を受ける代わりに、制御部12が送信電力制御信号を受けることによって、送信時の送信波の送信電力の情報を得るものである。
Claims (1)
- 受信波を間欠受信して増幅する受信部(3)と、
前記受信波の通信品質を検出する通信品質検出部(9)と、
制御部(12)と、
演算部(15)と、
メモリ(13)と
を備え、
前記メモリには、前記受信波の前記通信品質に対応した、受信部への供給電力の値が記憶されるとともに、前記通信品質検出部にて検出された前記通信品質のデータが間欠受信の度に書き込まれ、
前記演算部は、前記メモリに書き込まれた間欠受信時の前記通信品質のデータを用いて前記通信品質の平均値を算出し、
前記制御部は、前記演算部で算出された前記通信品質の前記平均値に基づいて前記メモリに記憶された前記供給電力の値を参照することにより前記受信部に供給すべき電力を制御する
ことを特徴とする受信機であって、
前記受信機の移動速度を検出可能な移動速度検出器(16)
をさらに備え、
前記演算部は、前記移動速度の値が大きいほど前記平均値が小さくなるよう補正する
受信機。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPPCT/JP03/04420 | 2003-04-07 | ||
PCT/JP2003/004420 WO2004091110A1 (ja) | 2003-04-07 | 2003-04-07 | 送受信機及び受信機 |
PCT/JP2004/000503 WO2004091111A1 (ja) | 2003-04-07 | 2004-01-21 | 送受信機及び受信機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2004091111A1 JPWO2004091111A1 (ja) | 2006-07-06 |
JP4034327B2 true JP4034327B2 (ja) | 2008-01-16 |
Family
ID=33156441
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005505168A Expired - Fee Related JP4034327B2 (ja) | 2003-04-07 | 2004-01-21 | 受信機 |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1612955A1 (ja) |
JP (1) | JP4034327B2 (ja) |
CN (1) | CN1698278A (ja) |
WO (2) | WO2004091110A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4894503B2 (ja) * | 2006-12-22 | 2012-03-14 | ソニー株式会社 | 無線通信装置 |
JP2009111790A (ja) * | 2007-10-30 | 2009-05-21 | Kyocera Corp | 無線通信装置及び無線通信方法 |
JPWO2010128612A1 (ja) | 2009-05-07 | 2012-11-01 | Necカシオモバイルコミュニケーションズ株式会社 | 通信端末、その制御方法、およびプログラム |
JP2015070585A (ja) * | 2013-10-01 | 2015-04-13 | 株式会社リコー | 通信端末及びプログラム |
US10904055B2 (en) | 2019-01-18 | 2021-01-26 | Analog Devices International Unlimited Company | Digital mobile radio with enhanced transceiver |
EP3917201B1 (en) | 2019-03-29 | 2024-01-10 | Honda Motor Co., Ltd. | Communication device, communication method, and program |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54119819A (en) * | 1978-03-09 | 1979-09-18 | Nec Corp | Radio receiver |
JP2943822B2 (ja) * | 1991-08-01 | 1999-08-30 | 国際電気株式会社 | 無線機の動作電圧制御回路 |
JP2766230B2 (ja) * | 1995-10-12 | 1998-06-18 | 埼玉日本電気株式会社 | 受信増幅装置 |
JPH10242886A (ja) * | 1997-02-24 | 1998-09-11 | Sony Corp | 増幅回路及び送受信装置 |
JPH10290173A (ja) * | 1997-04-14 | 1998-10-27 | Sony Corp | 無線受信回路 |
JPH1155138A (ja) * | 1997-08-07 | 1999-02-26 | Fujitsu Ltd | 受信装置 |
JP2002217774A (ja) * | 2001-01-16 | 2002-08-02 | Sanyo Electric Co Ltd | 携帯電話機 |
-
2003
- 2003-04-07 WO PCT/JP2003/004420 patent/WO2004091110A1/ja active Application Filing
-
2004
- 2004-01-21 CN CNA2004800003184A patent/CN1698278A/zh active Pending
- 2004-01-21 JP JP2005505168A patent/JP4034327B2/ja not_active Expired - Fee Related
- 2004-01-21 WO PCT/JP2004/000503 patent/WO2004091111A1/ja not_active Application Discontinuation
- 2004-01-21 EP EP04703942A patent/EP1612955A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO2004091111A1 (ja) | 2004-10-21 |
WO2004091110A1 (ja) | 2004-10-21 |
JPWO2004091111A1 (ja) | 2006-07-06 |
EP1612955A1 (en) | 2006-01-04 |
CN1698278A (zh) | 2005-11-16 |
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