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Enhanced Packet Access Scheme for IMT-2000/UMTS Random Access Channel
Young-Sam KIM Jun-Kui AHN Kyoo-Jin HAN Keum-Chan WHANG
IEICE TRANSACTIONS on Communications
Publication Date: 2002/12/01
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Wireless Communication Technology
IMT-2000/UMTS, RACH, packet access scheme, interference characteristics,
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We propose an enhanced packet access scheme for IMT-2000/UMTS random access channel (RACH). In the proposed scheme, 2-level preamble detection threshold and 2-level message transmission power are used to mitigate the power imbalance in RACH. Simulation results demonstrate that the proposed scheme improves the interference characteristics of the conventional RACH and makes wider range of the detection threshold available.