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| Number | Title | Issue Date |
| 8073000 | Code division multiplex signal receiving apparatus and code division multiplex transmitting and receiving system In a code division multiplex transmitting and receiving system, the transmitting apparatus inserts a clock signal in the code division multiplex signal. The clock signal has a frequency equal to a null frequency in the frequency spectrum of the code division multipl... | 12/06/2011 |
| 8031739 | Base station and downlink channel transmission method Under a sectorized cell architecture in a mobile communication system, a scrambling code applied to multiplication of a transmission signal is selected and switched among different types of downlink physical channels in a unified manner. One of multiple transmission... | 10/04/2011 |
| 8005110 | Single carrier/DS-CDMA packet transmission method, an uplink packet transmission method in a multi-carrier/DS-CDMA mobile communications system, and a structure of a downlink channel in a multi-carrier/DS-CDMA mobile communications system The present invention provides a single carrier/DS-CDMA packet transmission method wherein a predetermined time slot is assigned to reservation demand packet transmission in regard to a spreading code, and the reservation demand packet and data packets are time-mult... | 08/23/2011 |
| 8000340 | Parameter determination base station employing PCSS scheme A mobile communication system is provided for use in communication. The mobile communication system may include a radio control station (CS), a base station (BS), and a mobile station (MS). The BS is connected to the CS, and the MS may perform, with the BS, data com... | 08/16/2011 |
| 7881327 | Code channel management in a wireless communications system Systems and techniques are disclosed relating to communications. The systems and techniques involve dividing a plurality of subscriber stations into a plurality of groups, assigning a different plurality of orthogonal codes to each of the groups, the number of the o... | 02/01/2011 |
| 7869454 | Method for communicating scrambling code ID in mobile communication system Disclosed is a method for transmitting a channel signal in a base station of a mobile communication system which scrambles a common channel signal using a primary scrambling code for identifying the base station. The method comprises determining an identifier (ID) o... | 01/11/2011 |
| 7869455 | Code division multiplex transmitting and receiving apparatus and method A code division multiplex transmitting and receiving apparatus has a transmitting apparatus with two coders per channel and terminal units with two matched filters each. One coder and one matched filter employ one spreading code; the other coder and the other matche... | 01/11/2011 |
| 7852869 | Method and apparatus for the transmission of data A method and an apparatus for the transmission of data is provided, wherein the data, in a first operating mode, are transmitted in a plurality of first frequency bands and, in a second operating mode, are transmitted in a plurality of second frequency bands. A numb... | 12/14/2010 |
| 7848345 | Communication network using code division multiplexing technology A communication network which can use communication bandwidth effectively. Spreading codes of a first and a second code length are assigned for every communication terminal interfaces connected to the same communication network. The spreading codes of the first code... | 12/07/2010 |
| 7792135 | Device and method of constructing generation matrix for linear block coding, coding device and decoding device using the generation matrix A method of constructing a generation matrix of a linear block code. The method includes setting a number of relation lines connected for respective codeword packet nodes if a number of massage packet nodes and the number of codeword packet nodes are selected; setti... | 09/07/2010 |
| 7792134 | Method and apparatus for detecting an uplink packet data channel in a CDMA wireless communications system At a base station receiver in a CDMA wireless communications system, in order to reduce reliance on the parameter values transmitted on a packet data control channel (PDCCH) to properly detect the high speed packet data transmitted on a packet data channel (PDCH) wi... | 09/07/2010 |
| 7778270 | Code-switching in wireless multi-hop networks The present invention relates to the field of code-switching in multi-hop wireless networks. More specifically, the present invention pertains to a method and apparatus that uses orthogonal codes as the forwarding labels in multi-hop forwarding. The processing of th... | 08/17/2010 |
| 7701960 | Apparatus and method for determining public long code mask in a mobile communications system An apparatus and method of assigning a public long code mask (PLCM) to a mobile terminal in a mobile communications network is provided. The invention comprises assigning a first PLCM type, when the PLCM for the mobile terminal is based on an international mobile st... | 04/20/2010 |
| 7693172 | Apparatus and method for determining public long code mask in a mobile communications system An apparatus and method of assigning a public long code mask (PLCM) to a mobile terminal in a mobile communications network is provided. The invention comprises assigning a first PLCM type, when the PLCM for the mobile terminal is based on an international mobile st... | 04/06/2010 |
| 7529264 | Use of orthogonal or near orthogonal codes in reverse link A technique for allowing a first and second group of users to share access to a communication channel such as a wireless radio channel is disclosed. The first group of users can be a group of legacy users such as those that use digital CDMA cellular telephone equipm... | 05/05/2009 |
| 7443907 | Base station apparatus of mobile communication system A base station including a transmitting and receiving amplifier for amplifying CDMA signals exchanged with a mobile station; a radio stage connected to the transmitting and receiving amplifier for carrying out D/A conversion of a transmitted signal that undergoes ba... | 10/28/2008 |
| 7443826 | Method and apparatus for automatic frequency control in a CDMA receiver Code division multiple access signals received through at least one multipath propagation channel are processed to produce at least one relative frequency error estimate. This involves receiving and processing the signals using a local frequency reference oscillator... | 10/28/2008 |
| 7436793 | System and method for effectively performing a transmit power adjustment procedure A system and method for effectively performing a transmit power adjustment procedure in a wireless network includes a forward receiver that monitors a wireless forward link for forward data that is transmitted over the wireless forward link by a forward transmitter.... | 10/14/2008 |
| 7437177 | Method employed by a base station for controlling initial power ramp-up using short codes A base station for controlling transmission power during the establishment of a communication channel utilizes the reception of a short code during initial power ramp-up. The short code is a sequence for detection by the base station which has a much shorter period ... | 10/14/2008 |
| 7433389 | Methods and apparatus for spread spectrum signal processing using a reconfigurable coprocessor Methods and apparatus are provided for spread spectrum signal processing in a wireless communication system. The apparatus includes a control processor to generate commands for processing spread spectrum signal components and a reconfigurable coprocessor to process ... | 10/07/2008 |
| 7433386 | Method of allocating resources in a space division radiocommunication system and equipment for the implementation of the method Method of allocating communication codes to channels set up in respect of mobile terminals in communication in a cell of a radiocommunication system, in which the cell is served by a fixed station having means of adjustment of send/receive parameters defining a resp... | 10/07/2008 |
| 7430191 | Method and apparatus for performing frequency tracking based on diversity transmitted pilots in a CDMA communication system Techniques to acquire and track a received signal instance (or multipath) based on one or more transmitted pilots. In an aspect, a frequency tracking loop is provided to acquire and track the multipath, and supports a number of loop modes (e.g., acquisition and trac... | 09/30/2008 |
| 7428228 | Method and apparatus for detecting active downlink channelization codes in a TD-CDMA mobile communication system A method and apparatus in a UE for detecting active channelization codes including channelization codes used by other UEs, which are different from at least one channelization code assigned to the UE, for transmission/reception to/from a Node B in an assigned time s... | 09/23/2008 |
| 7420946 | Apparatus and method for indicating a base station in a mobile station provided in a CDMA communication system A receiver provided in a mobile station communicating with at least two different types of base stations. In the receiver of the mobile station, a controller generates frequency channel control data for base stations at base station search times, analyzes signals re... | 09/02/2008 |
| 7420947 | Communication system performance using position location information A method and apparatus for using information about a mobile terminal's location relative to a base station can improve performance of a communication system. In addition, information about the mobile terminal's velocity relative to the base station may be used to im... | 09/02/2008 |
| 7418010 | Transmission method of several services combination A transmission method of multiple services combination is as follow. During service initialization of both communication sides, an identical TFCS (Transport Format Combination Set), containing all TFC (Transport Format Combination), is created in both sides. When a ... | 08/26/2008 |
| 7418046 | Pilot transmission and channel estimation for multiple transmitters Each transmitter is assigned a time-only pilot code, a frequency-only pilot code, or a time-frequency pilot code to use for pilot transmission. The pilot codes may be pseudo-random, orthogonal, and/or cyclic-shift codes. To obtain a channel estimate for a transmitte... | 08/26/2008 |
| 7417976 | Method and apparatus for call setup latency reduction Techniques for minimizing call setup latency are disclosed. In one aspect, a channel assignment message is sent with a flag to direct the use of previously negotiated service parameters. This aspect eliminates the need for service negotiation messages. In another as... | 08/26/2008 |
| 7417975 | Cellular system and base station specification method in CDMA mode To provide a cellular system for enhancing precision of judgement by rendering the number of code words to be judgement candidates at a base station as small as possible and thus improving the efficiency of using the code words. A base station control unit no... | 08/26/2008 |
| 7414999 | Method and apparatus for receiving plurality of data signals A transmitter site transmits a plurality of data signals over a shared spectrum in a code division multiple access communication system. Each transmitted data signal experiences a similar channel response. A combined signal of the transmitted data signals is receive... | 08/19/2008 |
| 7411936 | Wireless communication method and apparatus A method for establishing communications between a master unit and a plurality of node units. Of the plurality of node units, K node units are assumed to have established communications with a master unit. A first (K+1) node unit of the plurality of node units, desi... | 08/12/2008 |
| 7411899 | Apparatus and method for allocating walsh codes to access terminals in an adaptive antenna array CDMA wireless network An apparatus having: 1) a database for storing R active wireless terminal records, each of the R active wireless terminal records containing: a) an active orthogonal code and b) corresponding downlink beamforming coefficients used to communicate with one of the wire... | 08/12/2008 |
| 7408893 | DPCH multiplexing apparatus and method for outer loop power control in a W-CDMA communication system Disclosed is a method for transmitting a dedicated physical data channel signal over a dedicated physical data channel in the absence of transmission data to be transmitted over the dedicated physical data channel in order to properly maintain a target SIR (Signal-t... | 08/05/2008 |
| 7408899 | Method for allocating communication resources A method and apparatus for allocating one of a plurality of communication resources of communication networks in which information is transferred between a first station and one or more second stations, said method comprising the step of allocating one of said commu... | 08/05/2008 |
| 7406066 | Asynchronous modulation and demodulation for spread spectrum and code-division multiple access communication The present invention of the modulation and demondulation removes the carry synchronization requirement for spread spectrum systems and code-division multiple access communication systems. The invention uses the PN codes that are specially selected and asynchronous ... | 07/29/2008 |
| 7403583 | System and method for predictive synchronization for locating interleaving frames and demodulation training sequences A system and method for using Psuedo-Noise (PN) phase to determine frame start of a data frame is provided. The system and method includes at least two PN component codes, wherein the at least two PN component codes are relatively prime. A received PN composite enco... | 07/22/2008 |
| 7391757 | Wireless LAN A wireless LAN comprises an access point with a data communicator for data communicated over different channels, each using a respective wireless technology, and at least one mobile communications device with a data communicator for data communicated over the channe... | 06/24/2008 |
| 7391779 | Scheduling method and apparatus for combined code division multiplexing and time division multiplexing A combined CDM/TDM (code division multiplexing/time division multiplexing) transmitter and method are provided which employ fractional slot assignment by assigning fractional CDM channel gains to multiple slots for at least one packet with a goal that a sum of fract... | 06/24/2008 |
| 7392452 | Medium access control-high speed A medium access control-high speed (MAC-hs) comprises a hybrid automatic repeat request (H-ARQ) device configured to receive data blocks over a wideband-code division multiple access (W-CDMA) high speed-downlink shared channel (HS-DSCH). The H-ARQ device generates a... | 06/24/2008 |
| 7388856 | TFCI code word mapping in hard split mode A TFCI transmission scheme using optimal TFCI transmission bit patterns for the DPCH and DSCH in the hard split mode of the W-CDMA standard. The DPCH TFCI bits (TFCI1) and the DSCH TFCI bits (TFCI2) are mapped to their corresponding bit positions and then transmitte... | 06/17/2008 |
