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The IMT-2000 standard UMTS of (Universal Mobile Telecommunications System) is based on Wideband CDMA (Code Division Multiple Access). To access a shared transmission channel for multiple users, UMTS exploit Code Division Multiple Access (CDMA). Multi-user interference is a critical issue in CDMA, limited user, cell Capacity and limiting spectral efficiency dramatically. The manner of used multiple...
In relay-assisted cellular wireless communications the mobile terminals (MTs) near the base-station (BS) are usually preferred to being chosen as the relays for assisting the uplink transmission, for the sake of achieving the relay diversity while maintaining the system power-efficient. However, this strategy may result in the so-called 'bottleneck' problem, when each user chooses different relays...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.