Method for providing improved access times for a...

Details Method for providing improved access times for a... Method for providing improved access times for a...

2007-07-03

2007-07-03

Gesesse, Tilahun (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S069000, C455S127100

Reexamination Certificate

active

10350173

ABSTRACT:
A high priority system access technique is provided in which an MS (310) instead of relying on its open loop power level routine to determine its power level for transmission of a system access request uses a higher power level to transmit its access request, such as its RACH preamble. The power level used for transmission of the RACH preamble can be dependent on the particular user and/or in the application (e.g., dispatch, streaming video, etc.). By using a higher power level than the other MSs (520) operating in the system (500), MS (310) has a higher probability of gaining system access and a channel grant in an expeditious fashion. This priority access technique is very helpful for applications that require quick channel grants.

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Nortel Networks “Always On Mode in UMTS.” 2001.
Siala, M. et al. “Optimisation of the Interference Cost Generated by the Random Access Channel of the UMTS FDD System.”IEEE, 2001, pp. 2677-2680.

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