WO2013040026A1

5G,4G

Title

SUPPORT OF MULTIPLE TIMING ADVANCE GROUPS FOR USER EQUIPMENT IN CARRIER AGGREGATION IN LTE

Application Number:

WO2012US54848

Publication Date:

21-03-2013

Current Assignee:

CHEN WANSHI , DAMNJANOVIC JELENA M , GAAL PETER , KITAZOE MASATO , MONTOJO JUAN , QUALCOMM INC , XU HAO

Family ID:

47829796

Application Date:

12-09-2012

Publication Country:

US

View on Espacenet

Priority Date:

12-09-2011

Declaring Company:

QUALCOMM INC

Abstract  Abstract

Methods systems and devices are described to support multiple timing advance groups for multi-carrier user equipment. Some embodiments provide for utilizing timing advance group synchronization information across multiple timing advance groups. Some embodiments provide support for performing random access procedures in relation to timing advance groups that may not include a primary component carrier. Some embodiments utilize timing advance group indexes to enable cross-carrier random access procedure management. Other embodiments support parallel random access procedures across multiple timing advance groups. Some embodiments provide for a reference downlink component carrier for timing within a timing advance group.

Note:

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The information in grey was provided by the patent holder

The information in purple was extracted from the FrandAvenue

Explicitly disclosed patent:openly and comprehensibly describes all details of the invention in the patent document.

Implicitly disclosed patent:does not explicitly state certain aspects of the invention, but still allows for these to be inferred from the information provided.

Basis patent:The core patent in a family, outlining the fundamental invention from which related patents or applications originate.

Family member:related patents or applications that share a common priority or original filing.

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