Abstract: A method for use with a mobile user agent, the method for managing Hybrid Automatic Repeat reQuest (HARQ) processes in a multi carrier communication system that uses HARQ process indicators (HPIs) to manage HARQ processes, the method comprising the steps of designating a first subset of the HPIs as shared HPIs wherein each shared HPI designates a HARQ process irrespective of which of a plurality of system carrier frequencies are used to transmit a traffic packet, designating a second subset of the HPIs as non-carrier-shared HPIs wherein each non-carrier-shared HPI, in conjunction with the carrier frequency used to transmit a traffic packet, designates a carrier frequency unique HARQ process, receiving an HPI at the mobile user agent, receiving a first traffic packet via a carrier frequency at the user agent that is associated with the HPI, where the HPI is a first subset HPI using the HPI to identify a HARQ process associated with the first traffic packet irrespective of the carrier frequency used to transmit

Abstract: A method and a wireless transmit/receive unit (WTRU) supporting uplink transmissions. The method being used in a WTRU and comprising transmitting a data block to a base station using a H-ARQ process, receiving uplink scheduling information from the base station, wherein the uplink scheduling information includes a H-ARQ process identification of the H-ARQ process, and determining whether to retransmit the data block based on the H-ARQ process identification. The reception of the uplinks scheduling information indicates retransmission of a NACK'ed data block. The uplink scheduling information includes physical channel resources. The uplink scheduling information is received from a primary cell and the WTRU transmits to the primary cell and at least one secondary cell. The scheduling information indicates a modulation and coding scheme.

Abstract: A method, wireless transmit/receive unit (WTRU), and a wireless network node configured for wireless communications comprising receiving, by the WTRU, configuration information for a primary cell and one or more non-primary cells, receiving, by the WTRU, a message on the primary cell, the received message including indication of at least one of the one or more non-primary cells from which the WTRU is to receive a downlink shared channel transmission, and in response to the received message, receiving and processing, by the WTRU, the downlink shared channel transmission from the indicated at least one of the one or more non-primary cells.

Abstract: A method and apparatus are disclosed to manage the enhanced medium access control-e (MAC-e) and enhanced MAC-es (MAC-es) resources. The method and apparatus comprise configuring an enhanced MAC-e entity in a Node-B for a common enhanced dedicated channel (E-DCH) resource in response to receiving an indication from a radio network controller (RNC), wherein the enhanced MAC-e entity in the Node-B operates with an enhanced MAC-es entity in the RNC.

Abstract: Methods and apparatus for communicating circuit switched voice data with a first cellular radio access network (RAN) and communicating voice over Internet protocol (VoIP) packets using session initiation protocol (SIP) with a second cellular RAN. The second cellular RAN does not support circuit switched voice communication.

Abstract: Described herein are techniques for performing cell reselection in a wireless transmit/receive unit (WTRU). The method includes receiving a radio network terminal identifier (RNTI) from a first cell, transitioning from a connected state, performing cell reselection and to select a second cell different than the first cell, initiating resumption of communication by transmitting the RNTI to the second cell and resuming communications based on the transmitted RNTI.

Abstract: A method and an apparatus is provided for transmitting uplink data on uplink resources. The method and apparatus includes receiving a radio resource control (RRC) message indicating uplink resources for wireless transmit/receive unit (WTRU) and medium access control (MAC) timer information, transmitting uplink data based on the indicated uplink resources, and deactivating the indicated uplink resources in response to a MAC timer expiring, wherein the MAC timer is configured based on the MAC timer information.

Abstract: A wireless transceiver for use with a CDMA communication system is disclosed. The wireless transceiver comprises: a first sequence generator to provide a first sequence of values during a period, wherein the first sequence generator provides the first sequence of values repeatedly; a second sequence generator to provide a second sequence of values during the period and in alignment with the first sequence generator, wherein the second sequence generator provides the second sequence of values repeatedly; a first combiner to combine output signals of the first sequence generator and the second sequence generator to provide a third sequence of values during the period, wherein the first combiner provides the third sequence of values repeatedly; and a second combiner to combine an output signal from the first combiner with an input signal containing information; a radio front end to transmit an output signal from the second combiner to an antenna.

Abstract: A method and system for an enhanced uplink (EU) operation in a wireless communication system during soft handover. The system comprises a wireless transmit/receive unit (WTRU), at least two Node-Bs, and a radio network controller (RNC). One Node-B may be designated as a primary Node-B, and the primary Node-B may control EU operation during soft handover including uplink scheduling and hybrid automatic repeat request (H-ARQ). Soft buffer corruption is avoided during soft handover by controlling H-ARQ by the primary Node-B. Alternatively, an RNC may control EU operation during soft handover including H-ARQ. In this case, an RNC generates final acknowledge/non-acknowledge (ACK/NACK) decision based on the error check results of the Node-Bs.

Abstract: Methods and apparatus for communicating with the Internet via a gateway are disclosed. The gateway may be a Radio Access Network (RAN) gateway. The gateway may communicate data with at least one user equipment (UE). The gateway may route the data via one or more interfaces. The data may be routed by bypassing a core network.

Abstract: A method and apparatus are disclosed to manage the enhanced medium access control-e (MAC-e) and enhanced MAC-es resources and respective variables for the enhanced dedicated channel (E-DCH) in the enhanced Cell_FACH state. Due to the nature of the E-DCH transmission in the uplink (UL) in the Cell_FACH state and the fact that a wireless transmit/receive unit (WTRU) might set up and release the E-DCH resources more frequently, methods to deal with the TSN numbering are described.

Abstract: A method for performing outer loop power control in wireless communications includes initializing a time interval clock to count down a predetermined time interval; receiving and decoding a channel quality indicator (CQI) message; computing a decision metric value for each symbol in the decoded CQI message; determining whether the CQI message is erroneous; counting a number of erroneous CQI messages; and signaling a wireless/transmit receive unit to adjust an uplink transmission power on a condition that the time interval clock has expired and the number of erroneous CQI messages exceeds a threshold.

Abstract: Disclosed is method and apparatus for operating a wireless network, the wireless network including a first eNB and a second eNB, including establishing an X2 interface between the first eNB and the second eNB and exchanging parameters between the first eNB and the second eNB via the X2 interface.

Abstract: A network node, a wireless transmit/receive unit (WTRU), and system for operating a wireless network is disclosed. A first network node receives a radio resource control (RRC) message from a WTRU, the RRC message including WTRU capability information. The first network node then sends an application protocol message having RRC information to a second network node for use by the second network node to configure uplink resources for the WTRU, the RRC information including the WTRU capability information and physical channel configuration information of the WTRU.

Abstract: An enhanced uplink user equipment is in soft handover. A radio network controller selects a primary Node-B out of a plurality of Node-Bs supporting the soft handover. The radio network controller receiving successfully received enhanced uplink data packets from the plurality of Node-Bs. The radio network controller reordered the successfully received enhanced uplink data packets for in-sequence deliver. The primary Node-B sends specified scheduling information to the user equipment that the other Node-Bs does not transmit. At least the primary Node-B transmits acknowledgements and negative acknowledgements to the user equipment.

Abstract: A method and wireless transmit receive unit (WTRU) are disclosed that is configured to perform cell reselection to another cell when the WTRU is in a CELL_FACH state using an Enhanced-Dedicated Channel (E-DCH). The cell reselection is based on internal measurements by the WTRU. Alternatively, the cell reselection can be WTRU based on the WTRU measurements reported to the network.

Abstract: A method and wireless transmit receive unit (WTRU) are disclosed that is configured to perform cell reselection to another cell when the WTRU is in a CELL_FACH state using an Enhanced-Dedicated Channel (E-DCH). The cell reselection is based on internal measurements by the WTRU. Alternatively, the cell reselection can be WTRU based on the WTRU measurements reported to the network.

Abstract: A method and an apparatus is provided for terminating an enhanced random access channel (E-RACH) message in an E-RACH transmission. Triggers for terminating the E-RACH message are provided. The actions upon termination of the E-RACH messages are provided to release enhanced dedicated channel (E-DCH) resources while in cell forward access channel (CELL_FACH) state or transition to cell dedicated channel (CELL_DCH) state.

Abstract: A method and system for an enhanced uplink (EU) operation in a wireless communication system during soft handover. The system comprises a wireless transmit/receive unit (WTRU), at least two Node-Bs, and a radio network controller (RNC). One Node-B may be designated as a primary Node-B, and the primary Node-B may control EU operation during soft handover including uplink scheduling and hybrid automatic repeat request (H-ARQ). Soft buffer corruption is avoided during soft handover by controlling H-ARQ by the primary Node-B. Alternatively, an RNC may control EU operation during soft handover including H-ARQ. In this case, an RNC generates final acknowledge/non-acknowledge (ACK/NACK) decision based on the error check results of the Node-Bs.

Abstract: Embodiments of a system, topology, and methods for providing electrical power to electronic devices from various power sources are described generally herein. Other embodiments may be described and claimed.