Radio link failure detection procedures in long term...

Details Radio link failure detection procedures in long term... Radio link failure detection procedures in long term...

H - Electricity

04

L

H04L 12/28 (2006.01) H04L 12/56 (2006.01)

Patent

CA 2651315

A method and apparatus for detecting a radio link (RL) failure for uplink (UL) and downlink (DL) in a long term evolution (LTE) wireless communication system including at least one wireless transmit/receive unit (WTRU) and at least one evolved Node-B (eNodeB) are disclosed. A determination is made as to whether an RL has an in-synchronization status or an out-of-synchronization status. An RL failure is declared if an out-of-synchronization status is detected.

La présente invention concerne un procédé et un appareil destinés à la détection des défaillances d'une liaison radio (RL) en liaison montante (UL) et en liaison descendante (DL) pour un système de communication sans fil à évolution de longue durée (LTE) comprenant au moins une unité d'émission/réception sans fil (WTRU) et au moins un nAEud de réseau évolué (eNodeB). On détermine d'abord si une RL est dans un état de synchronisation ou de désynchronisation. Une défaillance de RL est ensuite déclarée lorsque l'état de désynchronisation est détecté.

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