US 9,813,958 B2
Method and apparatus for packet tunneling
Jukka Tapio Ranta, Kaarina (FI); Kaisu Maria Iisakkila, Espoo (FI); Samuli Turtinen, Li (FI); Sami-Jukka Hakola, Kempele (FI); and Timo Kalevi Koskela, Oulu (FI)
Assigned to Avago Technologies General IP (Singapore) Pte. Ltd., Singapore (SG)
Appl. No. 14/439,488
Filed by AVAGO TECHNOLOGIES GENERAL IP (SINGAPORE) PTE. LTD., Singapore (SG)
PCT Filed Oct. 25, 2013, PCT No. PCT/IB2013/059666
§ 371(c)(1), (2) Date Apr. 29, 2015,
PCT Pub. No. WO2014/068464, PCT Pub. Date May 8, 2014.
Claims priority of application No. 1219486.6 (GB), filed on Oct. 30, 2012.
Prior Publication US 2015/0289312 A1, Oct. 8, 2015
Int. Cl. H04W 36/02 (2009.01); H04W 88/06 (2009.01); H04L 29/06 (2006.01); H04L 29/08 (2006.01); H04W 76/04 (2009.01); H04W 36/30 (2009.01)
CPC H04W 36/02 (2013.01) [H04L 69/22 (2013.01); H04L 69/324 (2013.01); H04W 76/043 (2013.01); H04W 88/06 (2013.01); H04L 65/1083 (2013.01); H04W 36/30 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
detecting a condition that indicates that a device-to-device bearer is to be terminated;
modifying a cellular bearer protocol data unit header, such that the cellular bearer protocol data unit header indicates that a cellular bearer service data unit is a device-to-device protocol data unit; and
causing one or more device-to-device protocol data units to be encapsulated within one or more cellular bearer protocol data units, such that the one or more device-to-device protocol data units are transmitted via a cellular bearer.