WO2007114194A1 - 通信経路制御装置、無線通信装置、通信経路制御方法及び無線通信装置の通信方法 - Google Patents
通信経路制御装置、無線通信装置、通信経路制御方法及び無線通信装置の通信方法 Download PDFInfo
- Publication number
- WO2007114194A1 WO2007114194A1 PCT/JP2007/056730 JP2007056730W WO2007114194A1 WO 2007114194 A1 WO2007114194 A1 WO 2007114194A1 JP 2007056730 W JP2007056730 W JP 2007056730W WO 2007114194 A1 WO2007114194 A1 WO 2007114194A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- wireless
- packet
- network
- communication
- communication path
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/006—Networks other than PSTN/ISDN providing telephone service, e.g. Voice over Internet Protocol (VoIP), including next generation networks with a packet-switched transport layer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/34—Modification of an existing route
Definitions
- a plurality of wireless IP networks (for example, a mobile phone network and a wireless LAN network)
- the wireless communication apparatus can take the lead in switching the communication quality in the downlink direction of the wireless IP network.
- the communication control device on the receiving side it is difficult for the communication control device on the receiving side to grasp the wireless status of the wireless IP network and the degradation of communication quality.
- the wireless communication device after transmission also has the same problem because it is difficult to grasp the deterioration of communication quality on the receiving side.
- a seventh feature of the present invention is that a first wireless IP network that transmits a voice IP packet in which a voice signal is converted into an IP packet, and a second wireless IP that is different from the first wireless IP network.
- a communication path control method for controlling a communication path with a wireless communication apparatus connectable to a network receives the voice IP packet transmitted from the wireless communication apparatus to a communication destination, and the received received voice.
- the silence detection unit 107 stops the transmission of the VoIP packet by the CN based on the average reception interval of the VoIP packets already received by the CN and the reception interval of the latest VoIP packet. It is determined whether or not.
- the latest VoIP packet reception interval is the interval between the last received VoIP packet and the VoIP packet received immediately before the VoIP packet.
- the transmission packet distribution unit 309 distributes the IP packet transmitted to the switching server 100 to either the wireless communication interface 301 or the wireless communication interface 303.
- the reception control unit 307 and the transmission packet distribution unit 309 constitute a transmission / reception unit.
- the application 313 is configured by various application software (for example, IP phone) necessary for providing the function of the mobile phone terminal 300A.
- IP phone application included in application 313 performs interconversion between voice signals and VoIP packets. Further, the IP telephone application stops the transmission of the VoIP packet when no audio signal is input via the user interface 317 (specifically, when the input audio signal is lower than a predetermined level).
- step S13 when the switching server 100 receives a VoIP packet with a sequence number (seq) of 0 at the start of communication, the switching server 100 has elapsed since the reception time of the VoIP packet (eg, time to). Start measuring time (t).
- step S205 the switching server 100 uses the same base station (wireless terminal 300A) as the MN (mobile phone terminal 300A) that transmitted the VoIP packet that satisfies the condition.
- the reception interval of VoIP packets transmitted from other MNs connected through the base station 11) is determined to satisfy the condition in step S203 (mobile phone terminal 300A). In the same manner as (), it is determined whether or not the communication path switching condition is satisfied.
- switching server 100 repeats the operation from step S 201.
- the communication paths with all the MNs are switched all at once, the traffic at the switching destination increases rapidly, and a similar state may occur at the switching destination. Therefore, if the communication path is switched for some MNs, traffic is distributed to each wireless IP network, and the communication quality can be improved even for other MNs by switching the communication path. This is because there is a possibility.
- the switching server 100 only measures jitter without buffering a plurality of VoIP packets transmitted from the MN to the CN, so that the transmission delay of the VoIP packet does not increase.
- the pseudo packet P21 is transmitted after the elapse of a predetermined threshold (5 ms) (time t 2). If the threshold is sufficiently smaller than the communication path switching determination threshold (see Table 3) in switching server 100, switching server 100 receives pseudo packet P21 before reaching the communication path switching determination threshold. To do. For this reason, the switching server 100 can determine that it is a silent state. In addition, when the switching server 100 receives the pseudo packet, the switching server 100 resets the predetermined reference time (time to) as described above, so that it is possible to improve the accuracy of determining whether or not to switch the communication path.
- a predetermined threshold 5 ms
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20070740168 EP2007084B1 (en) | 2006-03-28 | 2007-03-28 | Communication path control apparatus, wireless communication apparatus, communication path control method and communication method of wireless communication apparatus |
US12/294,878 US8374126B2 (en) | 2006-03-28 | 2007-03-28 | Communication route controller, radio communication device, communication route controlling method and communication method for radio communication device |
CN2007800114157A CN101411141B (zh) | 2006-03-28 | 2007-03-28 | 通信路由控制器、无线通信设备、通信路由控制方法及无线通信设备的通信方法 |
KR1020107029853A KR101236688B1 (ko) | 2006-03-28 | 2007-03-28 | 무선 통신 장치 및 무선 통신 장치의 통신 방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006089134A JP4545109B2 (ja) | 2006-03-28 | 2006-03-28 | 通信経路制御装置 |
JP2006-089134 | 2006-03-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007114194A1 true WO2007114194A1 (ja) | 2007-10-11 |
Family
ID=38563463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/056730 WO2007114194A1 (ja) | 2006-03-28 | 2007-03-28 | 通信経路制御装置、無線通信装置、通信経路制御方法及び無線通信装置の通信方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US8374126B2 (ja) |
EP (1) | EP2007084B1 (ja) |
JP (1) | JP4545109B2 (ja) |
KR (2) | KR101236688B1 (ja) |
CN (1) | CN101411141B (ja) |
WO (1) | WO2007114194A1 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
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JP4545109B2 (ja) * | 2006-03-28 | 2010-09-15 | 京セラ株式会社 | 通信経路制御装置 |
MX2009012361A (es) * | 2007-05-16 | 2009-12-01 | Thomson Licensing | Aparato y metodo para codificar y descodificar señales. |
CN101409609A (zh) * | 2007-10-09 | 2009-04-15 | 北京信威通信技术股份有限公司 | 一种无线***中高效可靠传输语音的方法及装置 |
CN101828334B (zh) * | 2007-10-15 | 2016-09-14 | 汤姆逊许可证公司 | 用于数字电视***的前序 |
MX2010004146A (es) | 2007-10-15 | 2010-05-17 | Thomson Licensing | Aparatos y metodos para codificar y decodificar se?ales. |
KR101081732B1 (ko) * | 2007-12-05 | 2011-11-08 | 한국전자통신연구원 | 무선통신 시스템에서의 데이터 송수신 장치 및 방법 |
KR100932913B1 (ko) | 2007-12-06 | 2009-12-21 | 한국전자통신연구원 | Ip 데이터와 음성 신호를 동시에 처리하는 복합 스위치및 스위칭 방법 |
US9002405B2 (en) | 2007-12-25 | 2015-04-07 | Nec Corporation | Determining access point base station |
CN101340722A (zh) * | 2008-08-12 | 2009-01-07 | 中兴通讯股份有限公司 | 一种通话无缝切换方法和移动终端 |
US8626151B2 (en) * | 2010-06-25 | 2014-01-07 | At&T Mobility Ii Llc | Proactive latency-based end-to-end technology survey and fallback for mobile telephony |
JP5894625B2 (ja) * | 2014-03-31 | 2016-03-30 | ソフトバンク株式会社 | 移動通信システム |
WO2015169362A1 (en) | 2014-05-08 | 2015-11-12 | Telefonaktiebolaget L M Ericsson (Publ) | Method, system and device for detecting a silence period status in a user equipment |
JP6820320B2 (ja) | 2015-09-04 | 2021-01-27 | ダイナミック・ネットワーク・サービシーズ・インコーポレイテッドDynamic Network Services, Inc. | リアルタイムユーザ監視データを用いてリアルタイムトラフィック誘導を行うための方法および装置 |
JP6640667B2 (ja) * | 2016-06-30 | 2020-02-05 | エヌ・ティ・ティ・コミュニケーションズ株式会社 | 通信装置、加入者情報制御サーバ、接続制御方法及びコンピュータプログラム |
WO2018176336A1 (zh) | 2017-03-30 | 2018-10-04 | 华为技术有限公司 | 数据传输方法和通信设备 |
KR101989063B1 (ko) * | 2017-11-06 | 2019-06-13 | 라인 가부시키가이샤 | VoIP에서 미디어 전송을 위한 최적 네트워크 경로를 선택하기 위한 방법과 시스템 및 비-일시적인 컴퓨터 판독 가능한 기록 매체 |
US20220201569A1 (en) * | 2019-04-26 | 2022-06-23 | Sony Group Corporation | Communication apparatus, communication method, and communication program |
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-
2006
- 2006-03-28 JP JP2006089134A patent/JP4545109B2/ja not_active Expired - Fee Related
-
2007
- 2007-03-28 KR KR1020107029853A patent/KR101236688B1/ko not_active IP Right Cessation
- 2007-03-28 EP EP20070740168 patent/EP2007084B1/en not_active Expired - Fee Related
- 2007-03-28 KR KR1020087026219A patent/KR101035787B1/ko not_active IP Right Cessation
- 2007-03-28 WO PCT/JP2007/056730 patent/WO2007114194A1/ja active Application Filing
- 2007-03-28 CN CN2007800114157A patent/CN101411141B/zh not_active Expired - Fee Related
- 2007-03-28 US US12/294,878 patent/US8374126B2/en not_active Expired - Fee Related
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JPH07303117A (ja) * | 1994-05-06 | 1995-11-14 | Nippon Telegr & Teleph Corp <Ntt> | 輻輳防止方法およびパケット通信システム |
JP2002319965A (ja) * | 2001-04-24 | 2002-10-31 | Nec Corp | データ選択出力装置及びこれを備えるデータ通信システム |
JP2002344497A (ja) | 2001-05-18 | 2002-11-29 | Fujitsu Ltd | メディアゲートウェイ装置間の接続ルート切替え制御方法及びコールエージェント装置 |
JP2004112334A (ja) * | 2002-09-18 | 2004-04-08 | Hitachi Communication Technologies Ltd | 実時間伝送システムおよび実時間受信装置 |
JP2004207964A (ja) * | 2002-12-25 | 2004-07-22 | Nec Commun Syst Ltd | VoATM通信システム、及びそれに用いる音声符号化復号化装置と音声符号化選択の制御方法 |
US20040174853A1 (en) | 2003-03-07 | 2004-09-09 | Fujitsu Limited | Communication control program, content delivery program, terminal, and content server |
JP2004357213A (ja) * | 2003-05-30 | 2004-12-16 | Kyocera Corp | 通信手段変更方法およびそれを利用した端末装置 |
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US20060039335A1 (en) | 2004-08-20 | 2006-02-23 | Fujitsu Limited | Communication device simultaneously using plurality of routes corresponding to application characteristics |
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Also Published As
Publication number | Publication date |
---|---|
EP2007084A1 (en) | 2008-12-24 |
US20100254306A1 (en) | 2010-10-07 |
EP2007084A4 (en) | 2012-03-07 |
KR20090008282A (ko) | 2009-01-21 |
CN101411141B (zh) | 2012-07-18 |
US8374126B2 (en) | 2013-02-12 |
CN101411141A (zh) | 2009-04-15 |
KR20110018393A (ko) | 2011-02-23 |
JP4545109B2 (ja) | 2010-09-15 |
EP2007084B1 (en) | 2013-05-15 |
JP2007266988A (ja) | 2007-10-11 |
KR101236688B1 (ko) | 2013-02-22 |
KR101035787B1 (ko) | 2011-05-20 |
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