JP2008252554A - 無線装置 - Google Patents
無線装置 Download PDFInfo
- Publication number
- JP2008252554A JP2008252554A JP2007091610A JP2007091610A JP2008252554A JP 2008252554 A JP2008252554 A JP 2008252554A JP 2007091610 A JP2007091610 A JP 2007091610A JP 2007091610 A JP2007091610 A JP 2007091610A JP 2008252554 A JP2008252554 A JP 2008252554A
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- frequency band
- wireless
- unit
- channel
- wireless communication
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-
- 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
- H04B1/69—Spread spectrum techniques
- H04B1/713—Spread spectrum techniques using frequency hopping
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/56—Allocation or scheduling criteria for wireless resources based on priority criteria
- H04W72/566—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient
- H04W72/569—Allocation or scheduling criteria for wireless resources based on priority criteria of the information or information source or recipient of the traffic information
-
- 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
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
- Transceivers (AREA)
- Transmitters (AREA)
Abstract
【解決手段】SSID(Service Set Identifier)と呼ばれる周囲の無線LANのネットワーク識別情報を受け取ることによって周波数帯域とその周波数帯域ごとの電界の強度を判別し、電界強度の低い周波数帯域を選択することによって、外部からの影響を受けにくい通話を実現する。
【選択図】図3
Description
2 子機
4 デジタルコードレス無線アンテナ部
5 無線LANアンテナ部
6 デジタルコードレス送受信部
7 無線LAN送受信部
8 CPU
11 アクセスポイント
12 PC
Claims (5)
- 第1の外部通信機器と所定期間ごとに周波数帯域を変更して通信を行う第1の無線通信部と、
複数の周波数帯域の中から周波数帯域を選択して通信を行う第2の無線通信部と、
を備えた無線装置であって、
前記第2の無線通信部で使用可能な複数の周波数帯域のうち、使用されている周波数帯域を検出する検出手段を備え、
前記第1の無線通信部は、前記検出手段により検出された周波数帯域を除いて、前記所定期間ごとに周波数帯域を変更しながら、第1の外部通信機器と通信を行うことを特徴とする無線装置。 - 前記検出手段は、使用されている周波数帯域の電界強度を検出し、
前記第1の無線通信部は、前記検出手段により検出された周波数帯域を前記検出手段により検出された電界強度が強い順に除いて、前記所定期間ごとに周波数帯域を変更しながら、第1の外部通信機器と通信を行うことを特徴とする請求項1に記載の無線装置。 - 前記検出手段は、検出された周波数帯域を使用している外部通信機器の台数を検出し、
前記第1の無線通信部は、前記検出手段により検出された周波数帯域を前記検出手段により検出された前記台数が多い順に除いて、前記所定期間ごとに周波数帯域を変更しながら、第1の外部通信機器と通信を行うことを特徴とする請求項1または2に記載の無線装置。 - 前記第2の無線通信部は無線LANによる無線通信部であって、前記検出手段によって検出される周波数帯域は、SSIDによって特定されることを特徴とする請求項1〜3のいずれか1項に記載の無線装置。
- 前記第1の無線通信部は、コードレス電話による無線通信部であって、前記第1の外部通信機器は、前記コードレス電話の子機であることを特徴とする請求項1〜4のいずれか1項に記載の無線装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007091610A JP4491796B2 (ja) | 2007-03-30 | 2007-03-30 | 無線装置 |
US12/055,287 US8040816B2 (en) | 2007-03-30 | 2008-03-25 | Wireless communication apparatus that successively change communication frequency band |
EP08251084A EP1978679B1 (en) | 2007-03-30 | 2008-03-26 | Wireless communication apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007091610A JP4491796B2 (ja) | 2007-03-30 | 2007-03-30 | 無線装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008252554A true JP2008252554A (ja) | 2008-10-16 |
JP4491796B2 JP4491796B2 (ja) | 2010-06-30 |
Family
ID=39708925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007091610A Active JP4491796B2 (ja) | 2007-03-30 | 2007-03-30 | 無線装置 |
Country Status (3)
Country | Link |
---|---|
US (1) | US8040816B2 (ja) |
EP (1) | EP1978679B1 (ja) |
JP (1) | JP4491796B2 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010178210A (ja) * | 2009-01-30 | 2010-08-12 | Brother Ind Ltd | 無線通信装置 |
JP2010178108A (ja) * | 2009-01-30 | 2010-08-12 | Brother Ind Ltd | 無線通信装置、および無線通信制御方法 |
KR20120076322A (ko) * | 2010-12-29 | 2012-07-09 | 한국전자통신연구원 | 통신 시스템에서 자원 관리 시스템 및 방법 |
KR101838068B1 (ko) | 2010-09-20 | 2018-04-26 | 엘지전자 주식회사 | 무선랜 시스템에서 불법 기기를 비활성화시키는 방법 및 장치 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100022237A1 (en) * | 2008-07-28 | 2010-01-28 | At&T Intellectual Property I, L.P. | Multi-mode communication system |
BR112012032401A2 (pt) * | 2010-06-18 | 2016-11-08 | Panasonic Corp | dispositivo de comunicação terminal e método de comunicação |
US10917164B2 (en) * | 2016-11-10 | 2021-02-09 | Cable Television Laboratories, Inc. | Systems and methods for ultra reliable low latency communications |
EP4289163A1 (en) * | 2021-02-03 | 2023-12-13 | Google LLC | Rapid evaluation of inequality expressions for electromagnetic propagation |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH1042353A (ja) * | 1996-07-22 | 1998-02-13 | Matsushita Electric Ind Co Ltd | 無線通信システム |
JP2002095062A (ja) * | 2000-09-20 | 2002-03-29 | Canon Inc | 通信システム |
JP2003023674A (ja) * | 2001-07-10 | 2003-01-24 | Victor Co Of Japan Ltd | 電話システム |
JP2003070055A (ja) * | 2001-08-27 | 2003-03-07 | Fujitsu Ltd | 移動体通信システム並びに無線基地局,無線装置及び移動端末 |
JP2003234745A (ja) * | 2002-02-13 | 2003-08-22 | Nec Corp | 複合無線装置及びそれに用いる干渉回避制御方法 |
JP2003249973A (ja) * | 2002-02-22 | 2003-09-05 | Sharp Corp | 通信システム、通信制御装置および通信端末装置 |
JP2004159053A (ja) * | 2002-11-06 | 2004-06-03 | Matsushita Electric Ind Co Ltd | 電話装置 |
WO2004082213A1 (ja) * | 2003-03-10 | 2004-09-23 | Buffalo Inc. | アクセスポイント |
JP2004363728A (ja) * | 2003-06-02 | 2004-12-24 | Canon Inc | 無線情報通信端末 |
JP2006295871A (ja) * | 2005-03-16 | 2006-10-26 | Sony Computer Entertainment Inc | 通信端末装置 |
Family Cites Families (9)
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US6009332A (en) * | 1996-08-28 | 1999-12-28 | Telefonaktiebolaget Lm Ericsson | Method and system for autonomously allocating a frequency hopping traffic channel in a private radio system |
ES2306530T3 (es) * | 1999-12-22 | 2008-11-01 | Nokia Corporation | Sistema de comunicaciones de espectro ensanchado con saltos de frecuencia. |
EP1111947A1 (en) | 1999-12-22 | 2001-06-27 | Telefonaktiebolaget L M Ericsson (Publ) | Cordless telephone system |
JP3443094B2 (ja) | 2000-12-27 | 2003-09-02 | 株式会社東芝 | 無線通信方法および無線通信装置 |
JP3770586B2 (ja) * | 2000-12-27 | 2006-04-26 | 株式会社東芝 | 無線通信方法および無線通信装置 |
GB2385747B (en) * | 2002-02-21 | 2004-04-28 | Toshiba Res Europ Ltd | Channel management in adaptive hopping schemes |
US7697896B2 (en) | 2005-03-16 | 2010-04-13 | Sony Computer Entertainment Inc. | Communication apparatus preventing communication interference |
US7558592B2 (en) * | 2005-09-01 | 2009-07-07 | Cisco Technology, Inc. | Radio planning for WLANS |
JP2007091610A (ja) | 2005-09-27 | 2007-04-12 | Kenichi Ochi | 柑橘エキスうがい液 |
-
2007
- 2007-03-30 JP JP2007091610A patent/JP4491796B2/ja active Active
-
2008
- 2008-03-25 US US12/055,287 patent/US8040816B2/en not_active Expired - Fee Related
- 2008-03-26 EP EP08251084A patent/EP1978679B1/en not_active Expired - Fee Related
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1042353A (ja) * | 1996-07-22 | 1998-02-13 | Matsushita Electric Ind Co Ltd | 無線通信システム |
JP2002095062A (ja) * | 2000-09-20 | 2002-03-29 | Canon Inc | 通信システム |
JP2003023674A (ja) * | 2001-07-10 | 2003-01-24 | Victor Co Of Japan Ltd | 電話システム |
JP2003070055A (ja) * | 2001-08-27 | 2003-03-07 | Fujitsu Ltd | 移動体通信システム並びに無線基地局,無線装置及び移動端末 |
JP2003234745A (ja) * | 2002-02-13 | 2003-08-22 | Nec Corp | 複合無線装置及びそれに用いる干渉回避制御方法 |
JP2003249973A (ja) * | 2002-02-22 | 2003-09-05 | Sharp Corp | 通信システム、通信制御装置および通信端末装置 |
JP2004159053A (ja) * | 2002-11-06 | 2004-06-03 | Matsushita Electric Ind Co Ltd | 電話装置 |
WO2004082213A1 (ja) * | 2003-03-10 | 2004-09-23 | Buffalo Inc. | アクセスポイント |
JP2004363728A (ja) * | 2003-06-02 | 2004-12-24 | Canon Inc | 無線情報通信端末 |
JP2006295871A (ja) * | 2005-03-16 | 2006-10-26 | Sony Computer Entertainment Inc | 通信端末装置 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010178210A (ja) * | 2009-01-30 | 2010-08-12 | Brother Ind Ltd | 無線通信装置 |
JP2010178108A (ja) * | 2009-01-30 | 2010-08-12 | Brother Ind Ltd | 無線通信装置、および無線通信制御方法 |
KR101838068B1 (ko) | 2010-09-20 | 2018-04-26 | 엘지전자 주식회사 | 무선랜 시스템에서 불법 기기를 비활성화시키는 방법 및 장치 |
KR20120076322A (ko) * | 2010-12-29 | 2012-07-09 | 한국전자통신연구원 | 통신 시스템에서 자원 관리 시스템 및 방법 |
KR101581719B1 (ko) | 2010-12-29 | 2016-01-20 | 한국전자통신연구원 | 통신 시스템에서 자원 관리 시스템 및 방법 |
Also Published As
Publication number | Publication date |
---|---|
EP1978679A3 (en) | 2010-03-10 |
JP4491796B2 (ja) | 2010-06-30 |
US8040816B2 (en) | 2011-10-18 |
US20080240066A1 (en) | 2008-10-02 |
EP1978679B1 (en) | 2011-05-11 |
EP1978679A2 (en) | 2008-10-08 |
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