JP2009135814A - 無線監視装置 - Google Patents
無線監視装置 Download PDFInfo
- Publication number
- JP2009135814A JP2009135814A JP2007311293A JP2007311293A JP2009135814A JP 2009135814 A JP2009135814 A JP 2009135814A JP 2007311293 A JP2007311293 A JP 2007311293A JP 2007311293 A JP2007311293 A JP 2007311293A JP 2009135814 A JP2009135814 A JP 2009135814A
- Authority
- JP
- Japan
- Prior art keywords
- packet
- received
- antenna
- reception
- information
- 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.)
- Granted
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
Abstract
【解決手段】指向性アンテナ21〜23は、アンテナ毎に異なる指向性を持つ。指向性アンテナ21〜23は、パケットを受信する。記憶部40は、指向性アンテナ21〜23が受信したパケットの送信元情報と受信時刻と、このパケットを受信した指向性アンテナ21〜23の情報とを関連付けて受信パケット情報として記憶する。
【選択図】図2
Description
Claims (3)
- アンテナ毎に異なる指向性を持つ複数のアンテナと、
前記アンテナが受信したパケットの送信元情報と受信時刻と、該パケットを受信した該アンテナの情報とを関連付けて受信パケット情報として記憶する記憶部と、
を備えたことを特徴とする無線監視装置。 - 前記記憶部が記憶する前記受信パケット情報に基づいて、前記アンテナでのパケット衝突を解析するデータ解析部
を備えたことを特徴とする請求項1に記載の無線監視装置。 - 前記データ解析部が解析した結果に基づいて、前記アンテナでのパケット衝突を起こした前記パケットを送信した端末局の制御を行う制御部
を備えたことを特徴とする請求項2に記載の無線監視装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007311293A JP4980861B2 (ja) | 2007-11-30 | 2007-11-30 | 無線監視装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007311293A JP4980861B2 (ja) | 2007-11-30 | 2007-11-30 | 無線監視装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009135814A true JP2009135814A (ja) | 2009-06-18 |
JP4980861B2 JP4980861B2 (ja) | 2012-07-18 |
Family
ID=40867255
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007311293A Active JP4980861B2 (ja) | 2007-11-30 | 2007-11-30 | 無線監視装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4980861B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106454872A (zh) * | 2016-09-14 | 2017-02-22 | 西北工业大学 | 一种基于定向天线的卫星编队网络信道接入控制方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005064672A (ja) * | 2003-08-08 | 2005-03-10 | Advanced Telecommunication Research Institute International | 無線ネットワークのための制御方法及び制御装置 |
JP2005086524A (ja) * | 2003-09-09 | 2005-03-31 | Advanced Telecommunication Research Institute International | アドホックネットワークにおける通信方法 |
JP2005117165A (ja) * | 2003-10-03 | 2005-04-28 | Advanced Telecommunication Research Institute International | 無線ネットワークのための制御方法及び制御装置 |
JP2008522552A (ja) * | 2004-12-03 | 2008-06-26 | インターデイジタル テクノロジー コーポレーション | マルチセル通信ネットワーク内で無線ネットワーク性能を改善する方法 |
-
2007
- 2007-11-30 JP JP2007311293A patent/JP4980861B2/ja active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005064672A (ja) * | 2003-08-08 | 2005-03-10 | Advanced Telecommunication Research Institute International | 無線ネットワークのための制御方法及び制御装置 |
JP2005086524A (ja) * | 2003-09-09 | 2005-03-31 | Advanced Telecommunication Research Institute International | アドホックネットワークにおける通信方法 |
JP2005117165A (ja) * | 2003-10-03 | 2005-04-28 | Advanced Telecommunication Research Institute International | 無線ネットワークのための制御方法及び制御装置 |
JP2008522552A (ja) * | 2004-12-03 | 2008-06-26 | インターデイジタル テクノロジー コーポレーション | マルチセル通信ネットワーク内で無線ネットワーク性能を改善する方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106454872A (zh) * | 2016-09-14 | 2017-02-22 | 西北工业大学 | 一种基于定向天线的卫星编队网络信道接入控制方法 |
Also Published As
Publication number | Publication date |
---|---|
JP4980861B2 (ja) | 2012-07-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US8843079B2 (en) | Communication apparatus and program for identifying faults and computer program storage medium | |
US8787191B2 (en) | Method and apparatus for determining distance in a Wi-Fi network | |
CN105120493B (zh) | 用于无线局域网中的多个站点探测的方法和装置 | |
US8537798B2 (en) | Coexistence mechanism for collocated WLAN and WWAN communication devices | |
US20120170557A1 (en) | Coexistence mechanism for collocated wlan and wwan communication devices | |
EP2936705B1 (en) | Wireless station and methods for tof positioning using reverse-direction grant | |
WO2014182800A1 (en) | Initiator-conditioned fine timing measurement service request | |
JP2005229617A (ja) | 多階層環境における無線端末の位置推定 | |
US20170150492A1 (en) | Wireless communication system, access point, and wireless device | |
US20160080124A1 (en) | Method, access point, server and station used for coordinated transmission | |
CN1773308B (zh) | 无线位置检测及其服务器、基站及终端 | |
US10609535B2 (en) | Blue-tooth communication system and broadcasting method thereof | |
US20140126394A1 (en) | ADAPTIVE OPTIMIZATION OF TIME OF FLIGHT (ToF) EXCHANGE | |
JP2010124056A (ja) | 無線局、通信制御方法及び通信プログラム | |
JP4980861B2 (ja) | 無線監視装置 | |
Glass et al. | The insecurity of time-of-arrival distance-ranging in IEEE 802.11 wireless networks | |
TWI517619B (zh) | Packet communication system, emission control device, antenna control method and program | |
US10356844B2 (en) | Communication device | |
JP2001333081A (ja) | 無線通信装置及びコンピュータ読み取り可能な記憶媒体 | |
JP2014171052A (ja) | 通信回線形態判別装置、通信回線形態判別方法、及びプログラム | |
US9565009B2 (en) | Communication apparatus and communication method | |
TWI540851B (zh) | 射頻訊號處理方法及無線通訊裝置 | |
US11750333B2 (en) | System and method for long range wireless local area network communications | |
US11910276B2 (en) | Rapid detection of mobile station locations using Wi-Fi | |
JP5627019B2 (ja) | 基地局装置及び通信方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20100716 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20100720 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20111227 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120110 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120312 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20120313 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20120403 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120419 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150427 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4980861 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |