IP Library › Patent Application 13131810
Patent Application
App. No. 13/131,810

COMMUNICATION SYSTEM AND COMMUNICATION CONTROLLING METHOD

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Quick Facts
Patent No.
US None
App. No.
13/131,810
Abstract

A communication method in LIPA/SIPTO architecture is provided which, when a user equipment (UE) is to connect from a serving area to an external network, allows re-selection of an optimal gateway. The communication method allows selecting a gateway apparatus physically or topologically close to a site, where the user equipment is attached.

Claims (22)

1 . A communication method in Local IP Access (LIPA)/Selected IP Traffic Offload (SIPTO) architecture the method comprising:

selecting a gateway apparatus physically or topologically close to a site, where a user equipment is attached, according to movement of the user equipment.

2 . (canceled)

3 . (canceled)

4 . The communication method according to claim 1 , wherein the site, where the user equipment is attached, includes a node apparatus.

5 . The communication method according to claim 1 , wherein the gateway apparatus includes a serving gateway apparatus (SGW) and a packet data network gateway apparatus (PGW).

6 . (canceled)

7 . (canceled)

8 . A communication system in Local IP Access (LIPA)/Selected IP Traffic Offload (SIPTO) architecture wherein the system selects a gateway apparatus physically or topologically close to a site, where a user equipment is attached, according to movement of the user equipment.

9 . (canceled)

10 . (canceled)

11 . The communication system according to claim 8 , wherein the site of attachment includes a node apparatus.

12 . The communication system according to claim 8 , wherein the gateway apparatus includes a serving gateway apparatus (SGW) and a packet data network gateway apparatus (PGW).

13 . (canceled)

14 . (canceled)

15 . A user equipment in a communication system by Local IP Access (LIPA)/Selected IP Traffic Offload (SIPTO) architecture wherein the user equipment causes selection of a gateway apparatus physically or topologically close to a site, where the user equipment is attached, to be performed, according to movement of the user equipment.

16 . (canceled)

17 . (canceled)

18 . The user equipment according to claim 15 , wherein the site of attachment includes a node apparatus.

19 . The user equipment according to claim 15 , wherein the gateway apparatus is a serving gateway apparatus (SGW) and a packet data network gateway apparatus (PGW).

20 . (canceled)

21 . (canceled)

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 8, 2011
From: ZEMBUTSU, HAJIME; TAMURA, TOSHIYUKI; SCHMID, STEFAN; TALEB, TARIK; PUNZ, GOTTFRIED
To: NEC CORPORATION; NEC EUROPE LTD.
Reel/Frame 026716/0053 →