Abstract
A method and system for adjusting uplink transmission timing when sending an initial transmission to a target cell/Node-B of an evolved universal terrestrial radio access network (E-UTRAN) immediately after handover from a source cell/Node-B of the E-UTRAN. In one embodiment a user equipment (UE) autonomously computes and applies a timing advance (TA) value based on the current source cell/Node-B timing value cell/Node-B beacon channel reference signal measurements and knowledge of the relative time difference (if any) between the source and target cells/Node-Bs. In another embodiment the UE sends a scheduling request message or real data packets with the computed TA value applied to the uplink transmission timing to the E-UTRAN via pre-allocated non-contention based uplink radio resources. In an alternate embodiment the UE sends a scheduling request message with the new computed TA value applied to the UL transmission timing to an E-UTRAN via a synchronous random access channel (RACH).
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
| Not Available | 21/03/2007 | ISLD-200802-001 | INTERDIGITAL INC |
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| Not Available | 21/03/2007 | ISLD-200802-001 | INTERDIGITAL INC |
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| US2007149206A1 | Not Available | 21/03/2007 | ISLD-200802-001 | INTERDIGITAL INC |
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Yes | Basis Patent | |||
| AR058730A1 | Not Available | 21/03/2007 | ISLD-200802-001 | INTERDIGITAL INC |
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Yes | Family Member | |||
| TWM316584U | Not Available | 21/03/2007 | ISLD-200802-001 | INTERDIGITAL INC |
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No | Family Member | |||
| TWM316584U | Not Available | 21/03/2007 | ISLD-200802-001 | INTERDIGITAL INC |
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Yes | Family Member | |||
| WO2007075559A3 | Not Available | 21/03/2007 | ISLD-200802-001 | INTERDIGITAL INC |
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| WO2007075559A3 | Not Available | 21/03/2007 | ISLD-200802-001 | INTERDIGITAL INC |
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Yes | Family Member | |||
| DE202006019286U1 | Not Available | 21/03/2007 | ISLD-200802-001 | INTERDIGITAL INC |
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No | Family Member | |||
| TW200729990A | Not Available | 21/03/2007 | ISLD-200802-001 | INTERDIGITAL INC |
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