Abstract: A method and apparatus for channel interleaving in a wireless communication system. In one aspect of the present invention, the data resource elements are assigned to multiple code blocks, and the numbers of data resource elements assigned to each code block are substantially equal. In another aspect of the present invention, a time-domain-multiplexing-first (TDM-first) approach and a frequency-domain-multiplexing-first (FDM-first) approach are proposed. In the TDM-first approach, at least one of a plurality of code blocks are assigned with a number of consecutive data carrying OFDM symbols. In the FDM-first approach, at least one of the plurality of code blocks are assigned with all of the data carrying OFDM symbols. Either one of the TDM first approach and the FDM-first approach may be selected in dependence upon the number of the code blocks, or the transport block size, or the data rate.

Abstract: Reliable detection of the configuration of transmit antennas includes obtaining a data for transmission, encoding the data, and modulating the data. During the modulating of the data, the data may be configured in such a way as to convey the configuration of the antennas through the modulation of the data. An antenna configuration is obtained by obtaining a representation of the antenna configuration, and masking the data with an error correcting code, where the mask corresponds to the antenna configuration.

Abstract: A method and base station apparatus for transmitting pilot data in a wireless communication system, and a method and mobile station apparatus for receiving pilot data in a wireless communication system are provided. The method for transmitting pilot data in a wireless communication system includes determining a pilot pattern in at least one resource block for each of one or more pilot streams, and transmitting the one or more pilot streams based on the determined respective pilot pattern in the at least one resource block, wherein the at least one resource block comprises a plurality of subcarriers and a plurality of Orthogonal Frequency Division Multiplexing (OFDM) symbols.

Abstract: A method and a circuit for generating cyclic redundancy checks. The method calculates a plurality of cyclic redundancy checks for a transport block with a plurality of information bits. At least one cyclic redundancy check among the plurality of cyclic redundancy checks is calculated based on a subset of information bits, and at least one information bit among the plurality of information bits is not within said subset of the information bits. In addition, a transport block cyclic redundancy check may be calculated based on all the information bits.

Abstract: An interleaving method in a mobile communication system is provided. The interleaving method includes encoding a plurality of bits to output encoded bits in a sequence, interleaving the encoded bits based on a modulation order to generate interleaved encoded bits comprising consecutive bits having a size based on the modulation order, the consecutive bits corresponding to consecutive bits of the encoded bits, scrambling the interleaved encoded bits with a scrambling code to generate scrambled bits, and modulating the scrambled bits based on the modulation order to output at least one symbol.

Abstract: A subscriber station can efficiently determine an accessible base station by scanning a subset of base stations based on an optimized list received from a serving base station. The subscriber station includes a white list that contains information regarding a number of closed subscriber group (CSG) base stations to which the subscriber station is subscribed. The subscriber station can transmit a request message that includes one or more of: indication of whether the detected identifier of the femto base station is in the whitelist or not; and its location information. In response, the base station can send a message that includes the nearby femtocells and whether the femtocell is accessible or inaccessible to the subscriber station. The femto base station can be designed to be in transmission off mode when none of its subscribers is in its coverage.

Abstract: Methods and apparatus for feeding back channel quality indication in a communication system. First, a first channel quality indication index is determined in dependence upon a channel quality estimation of a first transmission channel, and a second channel quality indication index is determined in dependence upon a channel quality estimation of a second transmission channel. A differential channel quality indication index of the second channel quality indication index is determined with reference to the first channel quality indication index in dependence upon a differential compression scheme. Then, the first channel quality indication index and the differential channel quality indication index are reported.

Abstract: A user equipment (UE) performs a method for supporting discontinuous receive (DRX) in a wireless network. The method includes waking up at a wake up time associated with a beginning of a DRX cycle, the DRX cycle comprising a plurality of subframes. The method also includes determining whether to perform receive beam training before a beginning of a time period for downlink communication. The method further includes receiving data during the time period for downlink communication.

Abstract: A transmitted signal estimate based on signals received in a layer i within a multiple input, multiple output transmission system and based upon selected constellation points for other, previously processed layers is quantized to a nearest constellation point. A list of candidates headed by the nearest constellation point and with remaining candidates presorted by proximity to the head is selected, for each such quantized estimate based on constellation point selections for previously processed layers. To select K best candidates for the transmitted signal estimates of the current layer i, the proximity of the candidates at the head of each list to the signal estimate for the current layer are compared, and the closest candidate is selected. The list containing the selected candidate is advanced, and proximity of the transmitted signal estimate to all list heads is again evaluated and the closest candidate selected.

Abstract: A method for performing random access by a User Equipment (UE) in a wireless network, comprises configuring at least one UE transmit beam for a transmission of a random access signal, generating the at least one UE transmit beam using an antenna array according to the configuration, and transmitting the random access signal to a base station (BS) on the at least one UE transmit beam. An user equipment for performing random access in a wireless network, the User Equipment comprises a processing circuit configured to configure at least one UE transmit beam for a transmission of a random access signal, and generate the at least one UE transmit beam using an antenna array according to the configuration, and transmit the random access signal to the Base Station (BS) on the at least one UE transmit beam.

Abstract: A method and apparatus are provided for allocating code resources to ACK/NACK channel indexes, when UEs need ACK/NACK transmission in a wireless communication system in which a predetermined number of orthogonal cover Walsh codes is selected from among available orthogonal cover Walsh codes, at least one subset is formed, having the selected orthogonal cover Walsh codes arranged in an ascending order of cross interference, subsets are selected for use in first and second slots of a subframe, and the orthogonal cover Walsh codes of the subset selected for each slot and ZC sequence cyclic shift values are allocated to the ACK/NACK channel indexes.

Abstract: Asynchronous Hybrid Automatic Repeat reQuest (ARQ) process identities are transmitted in a wireless communication system. A linking scheme is established between at least two sets of process identities of two respective corresponding codewords. When a first process identity is selected from among a first set of process identities of a first codeword, a second process identity may be derived in dependence upon the first process identity and the established linking scheme. Finally, a first packet from the first codeword is transmitted using a first transmission channel indicated by the first process identity, and a second packet is transmitted from the second codeword using a second transmission channel indicated by the second process identity. In addition, a control message including only the first process identity is transmitted.

Abstract: The present invention provides a method for transmitting pilots in a multi-carrier wireless transmission system. A wireless time-frequency transmission block is composed of N consecutive OFDM symbols in time domain and M consecutive physical sub-carriers in frequency domain, N and M are integers those are greater than or equal to 1. The method includes: partitioning the wireless time-frequency transmission block into several areas, and determining the position of pilots, of which the total number is a preset number, according to the time-frequency domain balancing principle of pilots of various antennas in various areas; inserting pilots at the pilot positions of each antenna corresponding to the antenna for transmission. In accordance with the present invention, the simultaneous transmission of multiple antennas is supported in a wireless time-frequency transmission block of a multi-carrier wireless transmission system.

Abstract: A wireless communication network is provided. The network comprising a plurality of base stations capable of wireless communication with a plurality of subscriber stations within a coverage area of the network. At least one of the plurality of base stations comprises a transmitter configured to transmit a downlink frame. The downlink frame comprising a first Enhanced Multicast Broadcast Service (E-MBS) MAP. The first E-MBS MAP comprises a field with an indicator to indicate a next E-MBS MAP to be decoded by a subscriber station. The subscriber station, upon decoding the first E-MBS MAP, refrains from decoding subsequent E-MBS MAPS that precede the next E-MBS MAP to be decoded by the subscriber station in accordance with the indicator.

Abstract: A method and apparatus for coordinating the resource assignment of a plurality of channel segments in a wireless communication system are disclosed. The method includes the steps of determining a number of resources available, determining a number of channel segments to include in a frame, determining a number of resource zones to be used for resource assignment of the plurality of channel segments, assigning each channel segment of the number of channel segments to a resource zone of the number of resource zones, and selecting a resource from the number of resources for transmitting said each channel segment in said resource zone.

Abstract: Methods and apparatus for feeding back channel quality indication in a communication system. First, a first channel quality indication index is determined in dependence upon a channel quality estimation of a first transmission channel, and a second channel quality indication index is determined in dependence upon a channel quality estimation of a second transmission channel. A differential channel quality indication index of the second channel quality indication index is determined with reference to the first channel quality indication index in dependence upon a differential compression scheme. Then, the first channel quality indication index and the differential channel quality indication index are reported.

Abstract: A receiver in a communication system is provided that includes a synchronization module and a channel estimator. The synchronization module is configured to identify an end of a cyclic prefix (CP) in a received signal using slope detection by monitoring a detection metric threshold in the received signal. The channel estimator is configured to estimate a complex noise variance using guard band subcarriers.

Abstract: Reliable detection of the configuration of transmit antennas includes obtaining a data for transmission, encoding the data, and modulating the data. During the modulating of the data, the data may be configured in such a way as to convey the configuration of the antennas through the modulation of the data. An antenna configuration is obtained by obtaining a representation of the antenna configuration, and masking the data with an error correcting code, where the mask corresponds to the antenna configuration.

Abstract: Methods and apparatus for remapping and regrouping transmission resources in a wireless communication system. First, a set of new permutation algorithms based on Galois field operation is proposed. Then the proposed algorithms and the known Pruned Bit Reversal Ordering (PBRO) algorithm are applied to several of various resource mapping schemes, including slot or symbol level Orthogonal Cover (OC)/Cyclic Shift (CS) mapping, cell-specific slot-level and symbol-level CS hopping patterns, and subframe and slot level base sequence hopping patterns.

Abstract: A transmission resource in a time domain subframe is divided into a plurality of equal duration resource elements in a time and frequency domain, the plurality of resource elements are segregated into a plurality of resource regions, information to be transmitted is modulated to generate a sequence of modulation symbols at a transmitter, the sequence of modulation symbols is mapped into the plurality of resource elements in the plurality of resource regions, and the modulation symbols are transmitted via a plurality of antennas using the respective corresponding resource elements to a receiver. The mapping of the modulation symbols in at least one resource region is independent of a certain control channel information that is carried in the time domain subframe, and the mapping of the modulation symbols in at least another resource region is dependent upon that certain control channel information.