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DATA CONVERSION APPARATUS, SIGNAL, DATA CONVERSION METHOD, DCE, GATEWAY AND COMMUNICATION APPARATUS

Sasaki, Keizaburo ; Hattori, Hiroyuki ; et al.
2006
Online Patent
Zugriff:
View record in USPTO Patent Applications (Volltext)

A communication method in a third communication apparatus of a first node located between a first communication apparatus of the first node and a second communication apparatus of a second node, the first communication apparatus and the second communication apparatus performing data communication based on PPP.

Titel:
DATA CONVERSION APPARATUS, SIGNAL, DATA CONVERSION METHOD, DCE, GATEWAY AND COMMUNICATION APPARATUS
Autor/in / Beteiligte Person: Sasaki, Keizaburo ; Hattori, Hiroyuki ; Nizato, Noriko
Link:
Veröffentlichung: 2006
Medientyp: Patent
Sonstiges:
  • Nachgewiesen in: USPTO Patent Applications
  • Sprachen: English
  • Document Number: 20060193341
  • Publication Date: August 31, 2006
  • Appl. No: 11/383186
  • Application Filed: May 12, 2006
  • Assignees: NTT DoCoMo, Inc. (Chiyoda-ku, JP)
  • Claim: 1. A communication method in a third communication apparatus which is directly connected to a first communication apparatus and can communicate with a second communication apparatus through a network, the first communication apparatus and the second communication apparatus performing data communication based on PPP, the communication method comprising the steps of: receiving an LCP echo request transmitted by the first communication apparatus to the second communication apparatus; and transmitting an LCP echo reply to the first communication apparatus.
  • Claim: 2. The communication method as claimed in claim 1, wherein the third communication apparatus is a DCE, and the network includes a mobile communication network.
  • Claim: 3. A communication method in a third communication apparatus of a first node located between a first communication apparatus of the first node and a second communication apparatus of a second node, the first communication apparatus and the second communication apparatus performing data communication based on PPP, the communication method comprising the steps of: intermediating a setting request packet from the second communication apparatus to the first communication apparatus; receiving a setting rejection packet or a setting negation packet from the first communication apparatus; producing a setting request packet according to the setting rejection packet or the setting negation packet; and transmitting the produced setting request packet to the first communication apparatus.
  • Claim: 4. The communication method as claimed in claim 3, wherein the third communication apparatus notifies setting rejection or setting negation to the second communication apparatus by transmitting only information included in a setting rejection packet or a setting negation packet to the second communication apparatus, when the third communication apparatus receives the setting rejection packet or the setting negation packet from the first communication apparatus, after intermediating a setting request packet from the second communication apparatus to the first communication apparatus.
  • Claim: 5. The communication method as claimed in claim 3, wherein the third communication apparatus terminates a setting identification packet when the third communication apparatus receives the setting identification packet after intermediating a setting request packet from the second communication apparatus to the first communication apparatus and receiving a setting rejection packet or a setting negation packet from the first communication apparatus, and the third communication apparatus does not terminate a setting identification packet when the third communication apparatus receives the setting identification packet without receiving a setting rejection packet or a setting negation packet from the first communication apparatus after intermediating a setting request packet from the second communication apparatus to the first communication apparatus.
  • Claim: 6. The communication method as claimed in claims 3, wherein the third communication apparatus is a mobile station
  • Claim: 7. A communication method in a third communication apparatus of a first node located between a first communication apparatus of the first node and a second communication apparatus of a second node, the first communication apparatus and the second communication apparatus performing data communication based on PPP, the communication method comprising the steps of: intermediating a setting request packet from the first communication apparatus to the second communication apparatus; intermediating a notification of setting rejection or setting negation from the second communication apparatus to the first communication apparatus; receiving a setting request packet from the first communication apparatus; and terminating the received setting request packet.
  • Claim: 8. The communication method as claimed in claim 7, wherein the third communication apparatus produces a setting rejection packet or a setting negation packet and transmits it to the first communication apparatus, when the third communication apparatus receives a notification of setting rejection or setting negation from the second communication apparatus after intermediating a setting request packet from the first communication apparatus to the second communication apparatus.
  • Claim: 9. The communication method as claimed in claim 7, wherein the third communication apparatus produces a setting identification packet and transmits it to the first communication apparatus, when the third communication apparatus receives from the first communication apparatus, all of setting request packets according to notifications of setting rejection or setting negation from the second communication apparatus to the first communication apparatus after intermediating setting request packets from the first communication apparatus to the second communication apparatus and intermediating the notifications.
  • Claim: 10. The communication method as claimed in claim 7, wherein the third communication apparatus is a mobile station.
  • Claim: 11. A communication method in a third communication apparatus of a first node located between a first communication apparatus of the first node and a second communication apparatus of a second node, the first communication apparatus and the second communication apparatus performing data communication based on PPP, the communication method comprising the steps of: intermediating a notification of end request from the first communication apparatus to the second communication apparatus; producing an end identification packet; and transmitting the produced end identification packet to the first communication apparatus.
  • Claim: 12. The communication method as claimed in claim 11, wherein the third communication apparatus produces an end request signal and transmits it to the second communication apparatus, when the third communication apparatus receives an end request packet from the first communication apparatus.
  • Claim: 13. The communication method as claimed in claim 11, wherein the third communication apparatus produces an end request packet and transmits it to the first communication apparatus, when the third communication apparatus receives a notification of an end identification from the second communication apparatus after intermediating a notification of an end request from the first communication apparatus to the second communication apparatus.
  • Claim: 14. The communication method as claimed in claim 13, wherein the third communication apparatus terminates an end identification packet, when the third communication apparatus receives the end identification packet from the first communication apparatus after transmitting the produced end request packet.
  • Claim: 15. The communication method as claimed in claim 11, wherein the third communication apparatus is a mobile station.
  • Claim: 16. A communication method in a third communication apparatus of a first node located between a first communication apparatus of the first node and a second communication apparatus of a second node, the first communication apparatus and the second communication apparatus performing data communication based on PPP, the communication method comprising the steps of: intermediating a notification of end request from the second communication apparatus to the first communication apparatus; receiving an end identification packet from the first communication apparatus; and terminating the end identification packet, wherein the third communication apparatus produces an end identification signal and transmits it to the second communication apparatus, when the third communication apparatus receives an end request packet from the first communication apparatus after intermediating a notification of an end request from the second communication apparatus to the first communication apparatus.
  • Claim: 17. The communication method as claimed in claim 16, wherein the third communication apparatus produces an end identification packet and transmits it to the first communication apparatus after transmitting the produced end identification signal.
  • Claim: 18. The communication method as claimed in claim 16, wherein the third communication apparatus is a mobile station.
  • Claim: 19. A communication method in a third communication apparatus which can communicate with a first communication apparatus through a first network and can communicate with a second communication apparatus through a second network, the first communication apparatus and the second communication apparatus performing data communication based on PPP, the communication method comprising the steps of: receiving an LCP echo request transmitted by the first communication apparatus to the second communication apparatus; and transmitting an LCP echo reply to the first communication apparatus, wherein the first network is a telephone network.
  • Claim: 20. The communication method as claimed in claim 19, wherein the third communication apparatus is a gateway, and the second network includes a mobile communication network.
  • Claim: 21. A communication method in a third communication apparatus which is directly connected to a first communication apparatus and can communicate with a second communication apparatus through a network, the first communication apparatus and the second communication apparatus performing data communication based on PPP, the communication method comprising the steps of: receiving an LCP discard request transmitted by the first communication apparatus to the second communication apparatus; and discarding the LCP discard request.
  • Claim: 22. The communication method as claimed in claim 21, wherein the third communication apparatus is a DCE, and the network includes a mobile communication network.
  • Claim: 23. A communication method in a third communication apparatus which can communicate with a first communication apparatus through a first network and can communicate with a second communication apparatus through a second network, the first communication apparatus and the second communication apparatus performing data communication based on PPP, the communication method comprising the steps of: receiving an LCP discard request transmitted by the first communication apparatus to the second communication apparatus; and discarding the LCP discard request, wherein the first network is a telephone network.
  • Claim: 24. The communication method as claimed in claim 23, wherein the third communication apparatus is a gateway, and the second network includes a mobile communication network.
  • Current U.S. Class: 370465/000
  • Current International Class: 04

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