DE68919002T2 - Funkkommunikationseinrichtung mit verbessertem Rauschabstand. - Google Patents
Funkkommunikationseinrichtung mit verbessertem Rauschabstand.Info
- Publication number
- DE68919002T2 DE68919002T2 DE68919002T DE68919002T DE68919002T2 DE 68919002 T2 DE68919002 T2 DE 68919002T2 DE 68919002 T DE68919002 T DE 68919002T DE 68919002 T DE68919002 T DE 68919002T DE 68919002 T2 DE68919002 T2 DE 68919002T2
- Authority
- DE
- Germany
- Prior art keywords
- communication device
- radio communication
- noise ratio
- improved signal
- improved
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive loop type
-
- 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
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
-
- 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
- H04W88/022—Selective call receivers
-
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP63175213A JPH0744477B2 (ja) | 1988-07-15 | 1988-07-15 | 小型デジタル無線受信機 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE68919002D1 DE68919002D1 (de) | 1994-12-01 |
DE68919002T2 true DE68919002T2 (de) | 1995-06-01 |
Family
ID=15992274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE68919002T Expired - Fee Related DE68919002T2 (de) | 1988-07-15 | 1989-07-14 | Funkkommunikationseinrichtung mit verbessertem Rauschabstand. |
Country Status (8)
Country | Link |
---|---|
US (1) | US5142699A (de) |
EP (1) | EP0351230B1 (de) |
JP (1) | JPH0744477B2 (de) |
KR (1) | KR920009400B1 (de) |
AU (1) | AU631556B2 (de) |
CA (1) | CA1313227C (de) |
DE (1) | DE68919002T2 (de) |
HK (1) | HK84797A (de) |
Families Citing this family (49)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH680343A5 (de) * | 1990-06-28 | 1992-08-14 | Erika Koechler | |
JP2864743B2 (ja) * | 1990-12-20 | 1999-03-08 | 日本電気株式会社 | 無線選択呼出し方式およびそれに用いる受信機 |
JP2712868B2 (ja) * | 1991-03-30 | 1998-02-16 | 日本電気株式会社 | 選択呼出受信機 |
GB9109301D0 (en) * | 1991-04-30 | 1991-06-19 | Motorola Israel Ltd | Electronic equipment |
AU642097B2 (en) * | 1991-11-01 | 1993-10-07 | Keith Robert Hockley | Remote control pager system |
EP0553862B1 (de) * | 1992-01-31 | 2001-11-21 | Canon Kabushiki Kaisha | Tragbares elektronisches Gerät mit Funksendeempfänger und Rechnereinheit |
JPH0678008A (ja) * | 1992-08-24 | 1994-03-18 | Uniden Corp | 符号受信機 |
FI95980C (fi) * | 1992-09-04 | 1996-04-10 | Nokia Mobile Phones Ltd | Menetelmä ja kytkentäjärjestely ajan mittaamiseksi tarkasti epätarkalla kellolla |
EP0601697A3 (de) * | 1992-10-12 | 1994-12-07 | Nec Corp | Funkrufempfänger in dem die Bitratenermittlung über einen vorbestimmten Bereich angesteuert wird. |
FR2699027B1 (fr) * | 1992-12-04 | 1995-02-10 | Info Telecom | Procédé de traitement d'informations au sein d'un récepteur, en particulier de radio-messagerie, et récepteur correspondant. |
US5471663A (en) * | 1993-07-01 | 1995-11-28 | Motorola, Inc. | Expanded microcomputer system for controlling radio frequency interference |
JP2737628B2 (ja) * | 1993-12-28 | 1998-04-08 | 日本電気株式会社 | 携帯情報機器システム |
US5765113A (en) * | 1994-12-29 | 1998-06-09 | Russo; David William | Method and apparatus for avoiding desensitization of a radio frequency receiver |
US5630224A (en) * | 1994-12-29 | 1997-05-13 | Motorola, Inc. | Method and apparatus for avoiding desensitization of a radio frequency receiver |
GB2297883B (en) * | 1995-02-07 | 1999-08-11 | Nokia Mobile Phones Ltd | Radio telephone |
GB2297854B (en) * | 1995-02-07 | 1999-04-07 | Nokia Mobile Phones Ltd | Real time clock |
GB2297884B (en) * | 1995-02-07 | 1999-05-26 | Nokia Mobile Phones Ltd | Radio telephone |
US5799023A (en) * | 1995-07-19 | 1998-08-25 | Matsushita Electric Industrial Co., Ltd. | Message receiver |
US5845204A (en) * | 1995-08-11 | 1998-12-01 | Rockwell International Corporation | Method and apparatus for controlling the wakeup logic of a radio receiver in sleep mode |
JP2933523B2 (ja) * | 1996-03-13 | 1999-08-16 | 日本電気エンジニアリング株式会社 | データ送受信装置 |
JP3719287B2 (ja) * | 1996-04-16 | 2005-11-24 | ソニー株式会社 | 受信装置、受信方法および通信システム |
US6009319A (en) * | 1996-09-06 | 1999-12-28 | Telefonaktiebolaget Lm Ericsson | Method and apparatus for reducing power consumption in a mobile radio communication device |
JP2957489B2 (ja) * | 1996-09-18 | 1999-10-04 | 静岡日本電気株式会社 | 4値fsk受信機 |
CN1126378C (zh) * | 1997-01-17 | 2003-10-29 | 松下电器产业株式会社 | 报文接收机 |
JP3570846B2 (ja) * | 1997-03-27 | 2004-09-29 | Necアクセステクニカ株式会社 | 無線携帯情報端末 |
US5950120A (en) * | 1997-06-17 | 1999-09-07 | Lsi Logic Corporation | Apparatus and method for shutdown of wireless communications mobile station with multiple clocks |
SG67419A1 (en) * | 1997-09-19 | 1999-09-21 | For Wireless Communications Na | A contactless identification and communication system and method of operating the same |
US6088602A (en) * | 1998-03-27 | 2000-07-11 | Lsi Logic Corporation | High resolution frequency calibrator for sleep mode clock in wireless communications mobile station |
WO2001039406A2 (de) * | 1999-11-25 | 2001-05-31 | Siemens Aktiengesellschaft | Verfahren zum störungsreduzierten betreiben eines funkgerätes und funkgerät |
EP1168634B1 (de) * | 2000-06-28 | 2007-06-13 | STMicroelectronics N.V. | Verfahren zur Reduzierung des Elektrizitätsverbrauchs eines zellularen Mobiltelefons |
US7324496B1 (en) | 2002-05-01 | 2008-01-29 | Nxp B.V. | Highly integrated radio-frequency apparatus and associated methods |
CA2393651A1 (en) * | 2002-07-29 | 2004-01-29 | Ralph Dickson Mason | Low power oscillator and power down method |
US8478921B2 (en) * | 2004-03-31 | 2013-07-02 | Silicon Laboratories, Inc. | Communication apparatus implementing time domain isolation with restricted bus access |
US8884791B2 (en) * | 2004-06-29 | 2014-11-11 | St-Ericsson Sa | Keypad scanning with radio event isolation |
US7248848B2 (en) * | 2004-06-30 | 2007-07-24 | Matthews Phillip M | Communication apparatus including dual timer units |
US7761056B2 (en) * | 2004-07-23 | 2010-07-20 | St-Ericsson Sa | Method of controlling a processor for radio isolation using a timer |
US20050008095A1 (en) * | 2004-07-23 | 2005-01-13 | Rush Frederick A. | Apparatus using interrupts for controlling a processor for radio isolation and associated methods |
US8472990B2 (en) * | 2004-07-23 | 2013-06-25 | St Ericsson Sa | Apparatus using interrupts for controlling a processor for radio isolation and associated method |
US7433393B2 (en) | 2004-07-23 | 2008-10-07 | Nxp B.V. | Apparatus for controlling a digital signal processor for radio isolation and associated methods |
US7567637B2 (en) | 2004-09-30 | 2009-07-28 | St-Ericsson Sa | Wireless communication system and method with frequency burst acquisition feature using autocorrelation and narrowband interference detection |
US7593482B2 (en) * | 2004-09-30 | 2009-09-22 | St-Ericsson Sa | Wireless communication system with hardware-based frequency burst detection |
US8019382B2 (en) * | 2004-12-29 | 2011-09-13 | St-Ericsson Sa | Communication apparatus having a standard serial communication interface compatible with radio isolation |
US7778674B2 (en) * | 2004-12-29 | 2010-08-17 | St-Ericsson Sa | Communication apparatus having a SIM interface compatible with radio isolation |
US7209061B2 (en) | 2005-03-30 | 2007-04-24 | Silicon Laboratories, Inc. | Method and system for sampling a signal |
US7805170B2 (en) * | 2005-03-30 | 2010-09-28 | St-Ericsson Sa | System and method for efficient power supply regulation compatible with radio frequency operation |
US7283503B1 (en) | 2005-06-24 | 2007-10-16 | Silicon Laboratories, Inc. | Communication apparatus including a buffer circuit having first and second portions for alternately storing results |
US7801207B2 (en) * | 2005-06-24 | 2010-09-21 | St-Ericsson Sa | Signal processing task scheduling in a communication apparatus |
US7414560B2 (en) * | 2005-06-29 | 2008-08-19 | Shaojie Chen | Wireless communication system including an audio underflow protection mechanism operative with time domain isolation |
FR2895200B1 (fr) * | 2005-12-20 | 2008-02-22 | Silicon Lab Inc | Procede d'acquisition d'un burst de correction de frequence par un dispositif de radiocommunication, et dispositif de radiocommunication correspondant. |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU5052069A (en) * | 1969-02-14 | 1970-08-20 | Communications Associates Limited | Improvements intwo-tone frequency modulated communication systems |
JPS593635Y2 (ja) * | 1979-09-29 | 1984-02-01 | 日本電気株式会社 | 選択呼出受信機 |
DE3063190D1 (en) * | 1980-01-17 | 1983-06-16 | Autophon Ag | Portable paging receiver with a shift register and a direct current converter |
JPS59200537A (ja) * | 1983-04-27 | 1984-11-13 | Nippon Telegr & Teleph Corp <Ntt> | 移動通信機 |
JPS6035389A (ja) * | 1983-08-05 | 1985-02-23 | Pioneer Electronic Corp | テ−プ量表示装置 |
GB2149164B (en) * | 1983-09-30 | 1987-06-17 | Nec Corp | Pager receiver |
JPS6098583A (ja) * | 1983-11-01 | 1985-06-01 | Matsushita Electric Ind Co Ltd | 音響装置 |
JPS6192045A (ja) * | 1984-10-12 | 1986-05-10 | Nec Corp | メツセ−ジ付無線選択呼出受信機 |
JPS61258529A (ja) * | 1985-05-13 | 1986-11-15 | Nec Corp | 周波数シンセサイザ |
CA1282464C (en) * | 1985-10-23 | 1991-04-02 | Masanori Ienaka | Phase-locked oscillator |
JPS6313432A (ja) * | 1986-07-03 | 1988-01-20 | Kokusai Electric Co Ltd | 選択呼出信号方式における受信装置のバツテリ・セ−ビング方法 |
JPS63141420A (ja) * | 1986-12-03 | 1988-06-13 | Fuji Electric Co Ltd | 呼出し信号受信装置 |
US4860005A (en) * | 1988-01-07 | 1989-08-22 | Motorola, Inc. | Communication receiver with automatic turn on/off |
JPH01190054A (ja) * | 1988-01-25 | 1989-07-31 | Man Design Kk | 受信機 |
US4928086A (en) * | 1989-01-30 | 1990-05-22 | Motorola, Inc. | Pager receiver having a common timer circuit for both sequential lock-out and out-of-range |
-
1988
- 1988-07-15 JP JP63175213A patent/JPH0744477B2/ja not_active Expired - Fee Related
-
1989
- 1989-07-14 EP EP89307152A patent/EP0351230B1/de not_active Expired - Lifetime
- 1989-07-14 CA CA000605663A patent/CA1313227C/en not_active Expired - Fee Related
- 1989-07-14 DE DE68919002T patent/DE68919002T2/de not_active Expired - Fee Related
- 1989-07-15 KR KR8910150A patent/KR920009400B1/ko not_active IP Right Cessation
- 1989-07-17 AU AU38168/89A patent/AU631556B2/en not_active Ceased
-
1991
- 1991-09-05 US US07/759,040 patent/US5142699A/en not_active Expired - Lifetime
-
1997
- 1997-06-19 HK HK84797A patent/HK84797A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH0226131A (ja) | 1990-01-29 |
AU3816889A (en) | 1990-01-18 |
HK84797A (en) | 1997-06-27 |
DE68919002D1 (de) | 1994-12-01 |
EP0351230A3 (de) | 1991-10-23 |
JPH0744477B2 (ja) | 1995-05-15 |
CA1313227C (en) | 1993-01-26 |
US5142699A (en) | 1992-08-25 |
KR900002582A (ko) | 1990-02-28 |
KR920009400B1 (en) | 1992-10-16 |
EP0351230A2 (de) | 1990-01-17 |
EP0351230B1 (de) | 1994-10-26 |
AU631556B2 (en) | 1992-12-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |