Method and system for supporting an evolved utran

Details Method and system for supporting an evolved utran Method and system for supporting an evolved utran

H - Electricity

04

B

H04B 7/208 (2006.01)

Patent

CA 2615612

A method and system for supporting an evolved universal mobile telecommunication systems (UMTS) terrestrial radio access network (E-UTRAN) are disclosed. The system includes a wireless transmit/receive unit (WTRU), a UTRAN and an E-UTRAN. The UTRAN sends to the WTRU a list of available radio access technologies in a coverage area of the UTRAN. The list includes information related to the E-UTRAN. The WTRU receives the list and may initiate a handoff based on the list. The WTRU then sends its multi-mode/multi- RAT capability information including the E-UTRAN capability to the UTRAN. The UTRAN then sends a measurement capability message to the WTRU. The measurement capability message includes parameters necessary for performing measurements on an E-UTRAN channel. The WTRU performs measurements based on the measurement capability message and reports measurement results to the UTRAN. The UTRAN may initiate a handoff to the E-UTRAN based on the measurement results.

L'invention concerne un procédé et un système de support d'un réseau d'accès radio terrestre basé sur un système universel de télécommunications mobiles (UMTS) évolué (E-UTRAN). Ledit système comprend une unité d'émission/réception sans fil (WTRU), un UTRAN et un E-UTRAN. L'UTRAN envoie au WTRU une liste de technologies d'accès radio disponibles dans une zone de couverture de l'UTRAN. La liste comprend des informations relatives à l'E-UTRAN. Le WTRU reçoit la liste et peut initier un transfert intercellulaire en fonction de la liste. Le WTRU envoie ensuite ses informations de capacité multimode/multi-RAT comprenant la capacité E-UTRAN à l'UTRAN. L'UTRAN envoie ensuite un message de capacité de mesure au WTRU. Le message de capacité de mesure comprend des paramètres nécessaires pour effectuer des mesures sur un canal E-UTRAN. Le WTRU effectue des mesures en fonction du message de capacité de mesure et rapporte les résultats de mesure à l'UTRAN. L'UTRAN peut initier un transfert intercellulaire vers l'E-UTRAN en fonction des résultats de mesure.

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