Embodiments contemplate wireless transmit/receive unit (WTRU) transmissions of different
types of uplink channels and/or signals in a system deployment where multiple destination …

A method and apparatus for determining uplink power in a wireless transmit receive unit
(WTRU). The WTRU operates in a carrier aggregated system. The WTRU is configured to …

Configuration-feedback circuitry and transceiver circuitry are disclosed. The configuration-
feedback circuitry regulates an output power from a radio frequency power amplifier based …

Method of transmitting a power status report by a mobile station in a wireless communication
system according to the present application comprises receiving at least one of an offset …

BACKGROUND The Universal Mobile Telecommunications System (UMTS) is a third
generation mobile communication system, which evolved from the Global System for Mobile …

This disclosure relates to radio frequency (RF) power con verters and methods of operating
the same. In one embodi ment, an RF power converter includes an RF switching con verter …

A switch mode power supply converter and a parallel amplifier are disclosed. The switch
mode power supply converter is coupled to a modulated power supply output and the …

(57) ABSTRACT A radio frequency (RF) system includes an RF power ampli fier (PA), which
uses an envelope tracking power supply voltage to provide an RF transmit signal, which has …

(57) ABSTRACT A system and method for performing sample rate conversion and creating
fractional delays to a signal is disclosed. The system comprises a filter, a look up table for …

Related US Application Data (60) Provisional application No. 61/247,676, filed on Oct. 1,
2009, provisional application No. 61/248,373, filed on Oct. 2, 2009, provisional application …