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Ad hoc peer-to-peer mobile radio access system interfaced to the pstn and cellular networks

Info

Publication number
CA2428405A1
CA2428405A1 CA 2428405 CA2428405A CA2428405A1 CA 2428405 A1 CA2428405 A1 CA 2428405A1 CA 2428405 CA2428405 CA 2428405 CA 2428405 A CA2428405 A CA 2428405A CA 2428405 A1 CA2428405 A1 CA 2428405A1
Authority
CA
Grant status
Application
Patent type
Prior art keywords
radio
gateway
means
terminal
call
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
Application number
CA 2428405
Other languages
French (fr)
Other versions
CA2428405C (en )
Inventor
Peter Stanforth
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MeshNetworks Inc
Original Assignee
Meshnetworks, Inc.
Peter Stanforth
Priority date (The priority date 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 date listed.)
Filing date
Publication date

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/16Gateway arrangements
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W40/00Communication routing or communication path finding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/02Communication route or path selection, e.g. power-based or shortest path routing
    • H04W40/04Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
    • H04W40/08Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources based on transmission power
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/24Connectivity information management, e.g. connectivity discovery or connectivity update
    • H04W40/246Connectivity information discovery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/24Connectivity information management, e.g. connectivity discovery or connectivity update
    • H04W40/248Connectivity information update
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W40/00Communication routing or communication path finding
    • H04W40/24Connectivity information management, e.g. connectivity discovery or connectivity update
    • H04W40/30Connectivity information management, e.g. connectivity discovery or connectivity update for proactive routing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W74/00Wireless channel access, e.g. scheduled or random access
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04Large scale networks; Deep hierarchical networks
    • H04W84/042Public Land Mobile systems, e.g. cellular systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W84/00Network topologies
    • H04W84/18Self-organising networks, e.g. ad-hoc networks or sensor networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATIONS NETWORKS
    • H04W92/00Interfaces specially adapted for wireless communication networks
    • H04W92/16Interfaces between hierarchically similar devices
    • H04W92/18Interfaces between hierarchically similar devices between terminal devices
    • Y02D70/00
    • Y02D70/1222
    • Y02D70/142
    • Y02D70/22
    • Y02D70/23
    • Y02D70/324

Abstract

The system architecture is comprised of remote terminals (12), routers, gateways (18), and at least one gateway controller that interfaces the system to a cellular system (20).

Claims (17)

  1. CLAIM 1: An ad-hoc radio system comprising:
    a series of remote radio terminals each comprising a radio transceiver and a control processor, said control processor comprising software means for determining a routing path of a call, for communicating with other said radio terminals, and for establishing the respective said radio terminal as a hop for other said radio terminals during a call-connection;
    a plurality of gateways, each said gateway being in operative communication with at least some of said series of remote radio terminals;
    a gateway controller in operative communication with said plurality gateways;
    said gateway controller comprising call control and routing means for directing calls to a destination, and interconnecting means for connecting said series of remote radio terminals to an external network, whereby originating calls from a said radio terminal may be directed to a destination serviced by the external network and calls originating from the external network may be directed to a said radio terminal;
    said call control and routing means comprising routing information for directing an originating call from a said radio terminal via a said gateway to an external network, and for directing a call from an external network to a said radio terminal via a said gateway; and a plurality of wireless routers operatively connected between said series of remote terminals and said plurality of gateways for wirelessly interconnecting said series of radio terminals and for wirelessly interconnecting said series of radio terminals to said plurality of gateways, whereby said remote radio terminals may indirectly communicate with each other and said gateways through one or more said wireless routers.
  2. CLAIM 2. The ad ad-hoc radio system according to claim 1, wherein said interconnecting means comprises means for connecting to one of a: switched cellular network, a PSTN, and an Internet Service Provider (ISP).
  3. CLAIM 3. The ad-hoc radio system according to claim 2, wherein aid interconnecting means further comprises interfacing means for translating identifying;
    information received from a switched cellular network and for translating identifying information received from a said gateway.
  4. CLAIM 4. An ad-hoc radio system comprising:
    a series of remote radio terminals each comprising a radio receiver and a control processor, said control processor comprising software means for determining a routing path of a call, for communicating with other said radio terminals, and for establishing the respective said radio terminal as a hop for other said radio terminal during a call-connection;
    at least one gateway in operative communication with said series of remote radio terminals;
    a plurality of wireless routers in operative connection between said series of remote terminals and said at least one gateway for wirelessly interconnection said series of radio terminals and for wirelessly interconnecting said series of radio terminals to said at least one gateway, whereby said remote radio terminals may indirectly communicate with each other through one or more said wireless routers and said at least one gateway.
  5. CLAIM 5. In an ad-hoc radio system comprising a series of ren~ te radio terminals each comprising a radio transceiver and a control processor, said control processor comprising software means for determining a routing path of a call, for communicating with other said radio terminals, and for establishing the respective said radio terminal as a hop for other said radio terminals during a call-connection, at least one gateway in operative communication with said series of remote radio terminals, a plurality of wireless routers in operative connection between said series of remote terminals and said at least one gateway, a method of connecting a call from a radio terminal of the ad-hoc radio system, comprising:
    (a) routing the call to a said radio terminal via a said wireless router;
    (b) relaying the call from the said wireless router to said at least one gateway;
    (c) connecting the call via said at least one gateway to another said radio terminal.
  6. CLAIM 6. The method according to claim 5, wherein said step (c) comprises routing the call through at least one wireless router.
  7. CLAIM 7. The method according to claim 6, further comprising before said step (a):
    (e) registering the radio terminal with said at least one gateway;
    (f) said step (e) comprising determining a routing table for the path of connection to the gateway, and sending authentication information to the gateway.
  8. CLAIM 8. In an ad-hoc radio system comprising a series of remote radio terminals each comprising a radio transceiver and a control processor, said control processor comprising software means for determining a routing path of a call, for communicating with other said radio terminals, and for establishing the respective said radio terminal as a hop for other said radio terminals during a call-connection, at least one gateway in operative communication with said series of remote radio terminals, a plurality of wireless routers in operative connection between said series of remote terminals and said at lea; one gateway, a method of connecting an outgoing call of a radio terminal of the ad-hoc radi system, comprising:
    (c) routing the call to a said radio terminal via a said w Bless router;
    (d) relaying the call from the said wireless router to sai at least one gateway;
    (c) connecting the call via said at least one gateway to iother said radio terminal.
  9. CLAIM 9. The method of making an outgoing rminal of an call from a radio ' ad-hoc radio system according to claim 8, wherein said Br comprises ad-hoc radio system fur a gateway controller in operative communicationne of gateway, with said at least said gateway controller comprising call controlecting calls and routing means for c to a destination, and interconnecting means 'remote radio for connecting said series terminals to an external network, said method further comprising:

    (d) connecting the outgoing call to one r network, a of a: switched cellu PSTN, and an Internet Service Provider (ISP) through said gateway controller
  10. CLAIM 10. In an ad-hoc radio system comprising a series of ren to radio terminals each comprising a radio transceiver and a control processor, at least one ateway in operative communication with at least some of said series of remote radio to finals, and a gateway controller in operative communication with said at least one gatew ~, a method of receiving an incoming call from an network external to said ad-hoc radio sy~ m to a radio terminal of the ad-hoc radio system, comprising:
    (a) transmitting the incoming call from the external net ork to the gateway controller;
    (b) relaying the incoming call from the gateway control .r to a gateway;

    (c) routing the call from the gateway to the radio terminal;
    (d) before said step (c), registering the radio terminal with a gateway;
    (e) said step (d) comprising determining a routing table for the path of connection to the gateway, and sending authentication information to the gateway;
    (f) before said step (d), said radio terminal listening to RTS/CTS
    communication signals transmitted by other said radio terminals in its neighborhood over the reservation channel;
    (g) after said step (f) and before said step(d), said radio terminal sending out a request-to-register communication-signaling to other said radio terminals in its neighborhood for determining the optimal gateway with which to register;
    said step (g) comprising:
    (h) allowing enough time via a poll timer for said request-to-register communication-signaling in order to receive back signaling from a plurality of other said radio terminals in its neighborhood in order to allow exchange of routing information, and in order to provide the capability of registering with a plurality of gateways, whereby said optimal gateway may be selected;
    said step (h) comprising:
    (i) resetting said toll timer continually until routing exchange information with at least one other said radio terminal allows establishment of communication with at least one gateway for allowing said step (d) to be performed.
  11. CLAIM 11. In an ad-hoc radio system comprising a series of remote radio terminals each comprising a radio transceiver and a control processor for said transceiver, said control processor comprising memory means, each said radio terminal comprising software means for determining a routing path of a call made from said radio terminal or to be received by said radio terminal, said software means comprising means for establishing said radio terminal as one node in the routing path of another said radio terminal, the improvement comprising:
    a plurality of gateways, each said gateway being in operating communication with at least some of said series of remote radio terminals;
    a gateway controller in operative communication with said plurality of gateways;
    said gateway controller comprising a wide area network (WAN), call control and routing means for directing calls to a destination, and interconnecting means for connecting said WAN to an external network, whereby originating calls from a said radio terminal may be directed to a destination serviced by the external network, and calls originating from the external network may be directed to a said radio terminal;
    said call control and routing means comprising routing information means for directing an originating call from a said radio terminal to its destination via the intermediary of at least one said gateway and the external network, and for directing a call from an external network to a said radio terminal via at least one said gateway;
    in combination with at least one of a: switched cellular network, PSTN, and Internet Service Provider (ISP); said interconnecting means comprising means for connecting said WAN to at least one of said switched cellular network, PSTN, and Internet Service Provider (ISP);
    said interconnecting means further comprises interfacing means for translating identifying information received from said at least one of the switched cellular network, PSTN, and Internet Service Provider (ISP), and for translating identifying information received from said at least one gateway for transmission to said at least one of the switched cellular network, PSTN, and Internet Service Provider (ISP).
  12. CLAIM 12. In an ad-hoc radio system comprising a series of remote radio terminals each comprising a radio transceiver and a control processor for said transceiver, said control processor comprising memory means, each said radio terminal comprising software means for determining a routing path of a call made from said radio terminal or to be received by said radio terminal, said software means comprising means for establishing said radio terminal as one node in the routing path of another said radio terminal, the improvement comprising:
    a plurality of gateways, each said gateway being in operative communication with at least some of said series of remote radio terminals;
    a gateway controller in operative communication with said plurality of gateways;
    said gateway controller comprising a wide area network (WAN), call control and routing means for directing calls to a destination, and interconnecting means for connecting said WAN to an external network, whereby originating calls from a said radio terminal may be directed to a destination serviced by the external network, and calls originating from the external network may be directed to a said radio terminal;
    said call control and routing means comprising routing information means for directing an originating call from a said radio terminal to its destination via the intermediary of at least one said gateway and the external network, and for directing a call from an external network to a said radio terminal via at least one said gateway;
    said interconnecting means comprises means for connecting said WAN to at least one of a : switched cellular network, a PSTN, and an Internet Service Provider (ISP);
    said interconnecting means comprising a first connection means for connecting said WAN to the cellular switched network, and second connection means for connecting said WAN to an Internet Service Provider.

    CLAIM 12. An ad-hoc radio system comprising:
    a series of remote radio terminals each comprising a radio transceiver and a control processor, said control processor comprising software means for determining a routing path of a call;
    at least one gateway in operative communication with at least some of said series of remote radio terminals;
    a gateway controller in operative communication with said at least one gateway;
    said gateway controller comprising call control and routing means for directing calls to a destination, and interconnecting means for connecting to an external network, whereby originating calls from a said radio terminal may be directed to a destination serviced by the external network and calls originating from the external network may be directed to a said radio terminal;
    said call control and routing means comprising routing information means for directing an originating call from a said radio terminal to its destination via the intermediary of said at least one gateway and the external network, and for directing a call from an external network to a said radio terminal via said at least one gateway;
    said interconnecting means comprising means for connecting to a switched cellular network, and interfacing means for translating identifying information received from said switched cellular network and for translating identifying information received from said at least one gateway.
  13. CLAIM 13. In a switched cellular network comprising a series of base stations, a mobile switching center (MSC), and remote radio terminals serviced by said base stations, the improvement comprising:

    an ad-hoc radio system operatively connected to said MSC;
    said ad-hoc radio system comprising a series of remote ad-hoc radio devices, at least one gateway with which at least some of said remote ad-hoc radio devices are registered and in communication, and a gateway controller;
    said gateway controller comprising means for coupling said remote ad-hoc radio devices to said MSC of said switched cellular network, whereby an originating outgoing call made by a said remote ad-hoc radio device may be connected to a said remote radio terminal of said switched cellular network via said gateway controller and said MSC, and whereby an incoming call from a said remote radio terminal of said switched cellular network make be connected to a said remote ad-hoc radio device via said MSC and said gateway controller.
  14. CLAIM 14. The improvement according to claim 13, wherein said ad-hoc radio system comprises a reservations channel and a plurality of data channels, said reservations channel providing communications between ad-hoc radio devices for establishing routing paths among ad-hoc radio devices and radio communications set up;
    each said ad-hoc radio device comprising a processor, memory means, and software stored in said memory means;
    said software means comprising first application means for determining a routing table for the path of connection to the gateway, and sending authentication information to the gateway; and second application means for registering the respective said ad-hoc radio device with the said gateway.
  15. CLAIM 15. The improvement claim 14, wherein said at least one gateway comprises third application means for transmitting registration identification information to the respective said ad-hoc radio device, whereby the ad-hoc radio device is uniquely identified.
  16. CLAIM 16. The improvement according to claim 15, wherein software means comprises fourth application means for listening to RTS/CTS communication signals transmitted by other said ad-hoc radio device in its neighborhood over said reservation channel for use by said first application means.
  17. CLAIM 17. The improvement according to claim 16, wherein said software means further comprises fifth application means for sending out request-to-register communication-signaling to other said radio terminals in its neighborhood for determining the optimal gateway with which to register.
CA 2428405 2000-11-13 2001-10-11 Ad hoc peer-to-peer mobile radio access system interfaced to the pstn and cellular networks Active CA2428405C (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US24818200 true 2000-11-13 2000-11-13
US60/248,182 2000-11-13
US09897790 US7072650B2 (en) 2000-11-13 2001-06-29 Ad hoc peer-to-peer mobile radio access system interfaced to the PSTN and cellular networks
US09/897,790 2001-06-29
PCT/US2001/031617 WO2002039710A1 (en) 2000-11-13 2001-10-11 Ad hoc peer-to-peer mobile radio access system interfaced to the pstn and cellular networks

Publications (2)

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CA2428405A1 true true CA2428405A1 (en) 2002-05-16
CA2428405C CA2428405C (en) 2012-04-03

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CA 2428405 Active CA2428405C (en) 2000-11-13 2001-10-11 Ad hoc peer-to-peer mobile radio access system interfaced to the pstn and cellular networks

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US (3) US7072650B2 (en)
JP (1) JP3890017B2 (en)
KR (1) KR100890237B1 (en)
CA (1) CA2428405C (en)
EP (2) EP2309820A3 (en)
WO (1) WO2002039710A1 (en)

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