Alcatel-lucent USA Inc.

Alcatel Lucent

Frederic Battaglia

Louis Gwyn Samuel

Theodore Sizer

Francis Joseph Mullany

The present invention provides a method for transmitting voice packet data over a selected one of a first network in which multiple devices belonging to a defined set communicate with each other according to a first protocol and a second network in which multiple devices communicate with each other according to a second protocol, different from the first protocol. The method includes establishing at least one radio bearer between at least two devices in the first network according to the first protocol, receiving at least one voice packet that conforms to the second protocol, modifying the at least one voice packet to conform to the first and the second protocols, and transmitting the at least one modified voice packet using the at least one radio bearer.

Extended cellular telephony protocol

The present invention provides a method is provided for soft vertical handovers. The method includes requesting a handover from a first wireless network that operates according to a first protocol to a second wireless network that operates according to a second protocol, the first protocol being different than the second protocol, via a first wireless telecommunication link that operates according to the first protocol. The method also includes forming, in response to the handover request, a second wireless telecommunications link according to the first and second protocols, the second wireless telecommunications link being concurrent with the first wireless telecommunication link. The method further includes dropping the first wireless telecommunications link after forming the second wireless telecommunications link.

Soft vertical handovers in wireless networks

The present invention provides methods for detecting a wireless air interface. The method includes receiving information indicative of at least one wireless access type, determining whether the information indicative of the at least one wireless access type is within an expected range, performing at least one first measurement associated with a first air interface in response to determining that the information indicative of the at least one wireless access type is within the expected range, and performing at least one second measurement associated with a second air interface in response to determining that the information indicative of the at least one wireless access type is not within the expected range.

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Middletown, NJ, United States of America

Frederic Battaglia