Abstract: A method for controlling the flow of information on a high-speed channel between a UE and a Node B is provided. Timing of the high-speed channel is based on timing associated with a low-speed channel and a time at which a grant signal is received from the Node B. Upon receiving a grant signal, the UE adds a preselected duration of time to the timing of the low-speed channel to provide timing on the high-speed channel, where the preselected duration of time is selected to maintain substantial orthogonality between the high-speed and low-speed channels.

Abstract: A method for conveying signaling information of a communication system that uses MIMO antenna systems. To enable a relatively larger amount of information to be conveyed over the communication system and thus exploit the use of the MIMO antenna system, forward link signaling channels are provided where such channels contain swapping information that allow the communication system to retransmit traffic information using any one of the antenna elements of a MIMO system. The forward link signaling channels also contain channel assignment information that indicate which particular groups of channels are available for use by particular users of the communication system.

Abstract: A method includes generating a received signal vector from a signal received over a channel. The received signal vector includes a plurality of symbols encoded in accordance with a block code having a structure. A channel matrix estimated for the channel is transformed based on the structure of the block code to generate an aggregate channel matrix. The symbols are processed using the aggregate channel matrix. A system includes a front end unit configured to generate the received signal vector, a channel estimation unit configured to estimate the channel matrix, and a processing unit configured to generate the aggregate channel matrix and process the symbols using the aggregate channel matrix.

Abstract: A wireless data communication system includes a high speed dedicated physical control channel (EU-DPCCH) used with transmissions from a mobile device to support an uplink high speed data channel. In one example the EU-DPCCH has a sub frame structure that is the same as an associated dedicated data channel and a fixed spreading factor. The EU-DPCCH allows communicating control information from the mobile device such as a pilot reference, hybrid automatic repeat request information, and backlog information regarding a buffer of the mobile device.

Abstract: In the method according to the present invention, a transmit power for each eigenbeam in a set of eigenbeams forming at least a portion of a multiple transmit antenna system is determined based on noise associated with each eigenbeam in the set of eigenbeams. The set of eigenbeams is for transmitting a number of parallel complex Gaussian channels.

Abstract: The per antenna capacity of each of the transmitter antennas in a MIMO system are individually determined from measurable information at the receiver end. Specifically, the channel capacity for each individual transmitter antenna is calculated at the receiver end as a function of measurable channel coefficients (also known as channel state information), the measurable average signal-to-noise ratio, and the number of transmitter antennas. Once the per antenna capacity of each transmitter antenna is individually determined at the receiver end, the maximum transmission rate for each data stream transmitted by each transmitter antenna is determined from that individual capacity either at the receiver end and fed back to the transmitter end, or is determined at the transmitter end from the individual transmitter antenna capacities that are fed back by the receiver end to the transmitter end. A modulation scheme that supports each maximum transmission rate is then determined based on some defined criteria.

Abstract: A method and apparatus are provided for generating a code book for use in a CDMA system. The code book comprises of a plurality of vectors that are used to encode user data. The amplitude and polarity for each vector in the code book are selected to provide a reduced peak-to-average power ratio. The amplitude values can be selected to provide a reduced peak-to-average power ratio while maintaining a desired average energy per chip. The desired energy per chip can be based on the energy per chip of a CDMA system having a lower order spreading factor. Performance can be further improved by employing a first code book under a first signal-to-noise ratio condition and a second code book under a second signal-to-noise ratio condition.

Abstract: A method and system is described that flexibly and efficiently adjusts uplink data transmission rates in a wireless communication system. In particular, a transport format limit indicator (TFLI) indicating the allowed changes to available transport formats, including, for example, the maximum allowed uplink data transmission rate, is sent by a network node to a user equipment, without a prior request from the user equipment for such information. The user equipment may then adjust its uplink rate based on the TFLI when desired without having to make a request for rate information from the network node.

Abstract: In a method for multiplexing information from a plurality of physical channels for uplink transmission, information on the plurality of physical channels may be subject to code multiplexing to generate a code-multiplexed signal for uplink transmission. The code multiplexing may include subjecting the information on the physical channels to a channelization operation. Information from at least one of the physical channels may be serial-to-parallel converted and mapped to one or both of a first branch and a second branch for the channelization operation.

Abstract: A method for controlling the flow of information on a high-speed channel between a UE and a Node B is provided. Timing of the high-speed channel is based on timing associated with a low-speed channel and a time at which a grant signal is received from the Node B. Upon receiving a grant signal, the UE adds a preselected duration of time to the timing of the low-speed channel to provide timing on the high-speed channel, where the preselected duration of time is selected to maintain substantial orthogonality between the high-speed and low-speed channels.

Abstract: A method for controlling communications between a mobile device and a pair of base stations during a soft hand off mode of operation is provided. Generally, communications between a first base station and a mobile device are synchronized relative to a first timing signal produced by the first base station. When the mobile device is transported to a location that causes the system to hand off communications to a second base station, the mobile device begins communicating with both the first and second base stations, but the communications with both base stations are synchronized relative to the first timing signal. Thereafter, at the completion of the hand off, the mobile device begins communicating solely with the the second base station using a second timing signal delivered by the second base station.

Abstract: In a method for aligning a plurality of physical channels for uplink transmission two or more physical channels may be aligned based on a timing offset so that the two channels are transmitted in the uplink at a time instant different than a time of uplink transmission for a third physical channel. Accordingly, the two physical channels may be code multiplexed with additional physical channels other than the third physical channel to generate a code-multiplexed signal to be used for uplink transmission. The timing offset information may be assigned to the user from a base station, for example, in order to align the two physical channels. Accordingly, an increase in peak-to-average power ratio my be avoided and/or reduced if multiplexing the two physical channels with other physical channels for uplink transmission.

Abstract: In the method for enhanced uplink data transmission, a transport channel for each transmission mode is independently generated. Each transport channel has an associated transmission time interval (TTI), and the generated transport channels are multiplexed on a selected TTI basis to form a composite transport channel. The selected TTI is selected from one of the TTIs associated with the independently generated transport channels. The composite transport channel is then mapped onto a physical channel.

Abstract: In a method of transmitting control signals for uplink transmission of packet data in a communication network, control signal data related to scheduling a user for uplink transmission of packet data is transmitted over a single control channel. The single control channel may be configured based on the transmission mode the user is in for scheduling an uplink transmission from the user to the network, so that only one control channel is used, regardless of the transmission mode the user is in for scheduling the user for the uplink transmission. The control channel may be embodied as a sub-frame adapted to carry control information that is dependent based on the transmission mode the user is in for scheduling an uplink transmission from the user to the network.

Abstract: The present invention provides for efficient control signaling in a downlink control channel that specifies the following information: MAC ID, HARQ channel ID, redundancy version, transport format, transport block size, new/continue data indicator and pilot boost/deboost. Optionally, the downlink control channel may also specify whether transmit time interval may be varied or fixed. Advantageously, this information may be supplied in a subframe that may be organized so as to specify in the first part of the frame information that can be used immediately by the remote terminal and to specify in a later part of the frame information that does not have to be used immediately. In particular, information such as the transport format, transport block size and new/continue data indicator may be advantageously specified in the first part of the frame and information such as the pilot boost/deboost may be specified in a later part of the same frame.

Abstract: In a method of transmitting control signals for uplink transmission of packet data, a control channel carrying control signal data that is shared by a plurality of users is transmitted in the downlink to the users. The shared control channel includes fields identifiable by, or specified for, different ones of the users, so that each field includes control signal data for a specified user for uplink transmission of packet data. The specified user decodes a corresponding field of the shared control channel to interpret the control signal data, and may transmit packet data in the uplink in accordance with the decoded control signal data.

Abstract: A method for generating channel quality feedback information in terms of quantized eigenvectors calculated from an eigenvalue decomposition that uses a channel matrix and an eigenvalue matrix to generate quantized and bounded eigenvectors. The channel correlation matrix and the eigenvalue matrix are obtained from a channel matrix formed from channel measurements of various signal parameters of signals transmitted over the communication channel. The eigenvalue decomposition uses the elements of the channel correlation matrix, the elements of the eigenvalue matrix and conditional relationships between elements of the channel correlation matrix to calculate the quantized and bounded eigenvectors. Because the elements of the quantized bounded eigenvectors can be expressed in terms of each other, not all elements of the quantized bounded vectors need be transmitted over the communication channel resulting in efficient use of the communication channel.

Abstract: A method of communication includes assigning at least one channelization code to a data packet. A portion of power available for communicating is assigned to the channelization code based on a channel quality metric. A system includes a transmitter, and an allocation unit. The transmitter is adapted to communicate data packets. The allocation unit is adapted to assign at least one channelization code to a data packet and assign a portion of power available for communicating to the channelization code based on a channel quality metric associated with the data packet.

Abstract: A method for controlling the flow of information between a UE and a Node B is provided. The UE transmits over a control channel to the Node B a signal requesting to transmit information to the Node B. The UE then receives over a shared channel from the Node B a signal identifying a time at which the UE is permitted to transmit information. Thereafter, the UE transmits at the identified time over a data channel to the Node B a signal containing the information.

Abstract: A method of mapping data for uplink transmission in a communication system maps data to a transport channel for uplink transmission in accordance with a selected transmission mode for uplink transmission. In the method, a transmission parameter may be extracted from a received signaling message, and a transmission mode for uplink transmission selected based on the extracted transmission parameter. The data, which may be high data rate uplink data, may me mapped from logical channels in a MAC layer to transport channels in a physical layer for transmission on the uplink. The transmission on the uplink may be performed from one of an autonomous transmission mode and a scheduled transmission mode, and the transmission parameter may be at least one of a priority indication parameter related to class priority of a service class of data to be transmitted on the uplink, and a radio channel condition.