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| Number | Title | Issue Date |
| 7356004 | Data transmission method for a mobile communication system This invention provides a mobile communication system which expanded the operation limitation of the heretofore adopted mobile communication systems and improved the spectrum efficiency greatly. A data transmission method for use in the mobile communication system o... | 04/08/2008 |
| 7356043 | Network channel access protocol—slot scheduling Network channel access protocol is disclosed. More particularly, a distributed, locally determined, channel access protocol that adapts to load, avoids interference and controls access by a group of nodes to a set of shared channels is disclosed. Shared channel spac... | 04/08/2008 |
| 7356098 | Method, communication system and communication unit for synchronisation for multi-rate communication A method, communication system and communication unit for synchronisation for multi-rate communication by transmitting a signal (FIG. 4A) having a synchronisation portion at a first, predetermined chip rate and containing an indication of chip rate used for a... | 04/08/2008 |
| 7356005 | Apparatus and associated method, by which to facilitate scheduling of data communications in a radio communications system Apparatus, and associated method, for facilitating reverse link scheduling in a CDMA 2000 communication system (FIG. 1, 10) that provides for high data rate communication services, such as 1xEV-DV communication services. Power control bits ( | 04/08/2008 |
| 7356022 | Mobile communication system, mobile station, base station, and packet communication method used therefor A mobile communication system includes a base station and a mobile station. The base station includes a transmitting/receiving section that transmits/receives a packet to/from the mobile station. The base station also includes a base station state updating section t... | 04/08/2008 |
| 7356037 | Telecommunication system and method for transmitting data A telecommunication system includes a base station, a router allocated to the base station, and several subscriber stations that are connected to the base station via an access network. Subscriber station routers set up a telecommunication link with the base station... | 04/08/2008 |
| 7356008 | Method of assigning one or more spreading sequences to users of a multi carrier transmission network A method of assigning one or more spreading sequences to users of a Multi Carrier transmission network, each element of the spreading sequence being, at a transmitter of the network, multiplied by a data item to be transmitted and then transmitted on a corresponding... | 04/08/2008 |
| 7356006 | Method of overhead channel transmission in mobile communication system and apparatus using the same A method of performing a reverse-link packet data service in a communication system is provided, by which a reverse packet data service is available at a high data rate in the reverse link supporting a variable data rate without additional Walsh code allocation. The... | 04/08/2008 |
| 7356016 | System and method for deleting tunnelling in connection between mobile node and correspondent node Provided are a system and method for deleting tunneling when a correspondent node is connected to a mobile node that has moved to a different network. The system includes a domain name service server, a mobile node that moves to a different network, a domain name dy... | 04/08/2008 |
| 7353039 | Power control of plural packet data control channels A method and apparatus for enabling more efficient use of plural packet data control channels (PDCCHs) that are associated with a common block of one or more packet data channels in a cellular communication system capable of high-speed data communications. Mobile st... | 04/01/2008 |
| 7352828 | Receiving apparatus and receiving method The present invention provides a receiving apparatus and method in which frequency of calculation such as weighting multiplication and memory capacity of a frame buffer can be reduced. To this end, reference phase information and data are separated by a reference ph... | 04/01/2008 |
| 7352689 | Method for optimizing phase factor of sub-block signal in partial transmit sequence orthogonal frequency division multiplexing system A method for optimizing phase factors in partial transmit sequence orthogonal frequency division multiplexing system. The method includes initializing sub-block signals by applying an initial phase factor to the sub-block signals in all sub-blocks; setting a referen... | 04/01/2008 |
| 7352723 | Method of forming a coded composite transport channel for downlink transmissions In a communication method, data from a plurality of channels is combined into a composite channel by writing data from the plurality of channels as one-bit symbols to a memory, and reading out the data from memory to form the composite channel. The combining of radi... | 04/01/2008 |
| 7352796 | Multiple data rate complex Walsh codes for CDMA A method and system using the fast encoding and decoding of hybrid Walsh CDMA and generalized hybrid Walsh CDMA codes for simultaneous transmission of multiple data rate users with the different data rate groups of users separated in the sequency domain of these com... | 04/01/2008 |
| 7352795 | System and method for communicating data using constant amplitude waveform with hybrid orthogonal and MSK or GMSK modulation A communications system of the present invention includes a transmitter that is operative for combining an orthogonal Walsh modulation with a minimum shift keying or Gaussian minimum shift keying waveform to form a hybrid communications signal that carries communica... | 04/01/2008 |
| 7352737 | Communications in an asynchronous cellular wireless network Systems and techniques are disclosed for establishing a reference corresponding to the timing of a received signal from the first source, determining the timing for each received signal from a plurality of second sources, adjusting the reference to the timing of the... | 04/01/2008 |
| 7352704 | Method and apparatus for multi-path delay spread detection in wideband CDMA systems A fast, low-complexity detection scheme for determining the delays and gains of different propagation paths (i.e., multi-paths) of a received WCDMA signal. The method utilizes a continuous pilot channel that is scrambled by an known pseudo-random sequence. The recei... | 04/01/2008 |
| 7352724 | Apparatus and method for transmitting packet data in a high-speed packet transmitting mobile communication system An apparatus and method for transmitting packet data in a high-speed packet transmitting mobile communication system. In the packet data transmitting apparatus, a packet data channel generator processes packet data to be transmitted on a packet data channel, a pream... | 04/01/2008 |
| 7352729 | Wireless communication system for multi-hop connection, source station, radio station and pilot signal used therein A destination station in a wireless communication system for a multi-hop connection selects a transmission path having a minimum total of required transmission power values of respective stations on the transmission path among candidates of the transmission path fro... | 04/01/2008 |
| 7352800 | Method of partial parallel interference cancellation A method of Partial Parallel Interference Cancellation (PPIC) is provided for recursively eliminating the Multiple Access Interference from a received signal. Such method is to use a recursion way to eliminate all the Multiple Access Interference (MAI) one by one fr... | 04/01/2008 |
| 7352725 | Communication method and arrangement in a code division multiple access (CDMA) radio system A communication method and a communication arrangement in a Code Division Multiple Access radio system is provided According to one embodiment, at least two transceivers of the radio system communicate with a packet switched connection through a radio interface. The... | 04/01/2008 |
| 7349447 | Method and apparatus for orthogonal code hopping multiplexing communications A method and system for statistically multiplexing corresponding channels using an orthogonal code hopping in a wire/wireless communication system, including a first communication station and multiple second communication stations, in which multiple synchronized com... | 03/25/2008 |
| 7349425 | Method and apparatus for overhead messaging in a wireless communication system Method and apparatus for providing a broadcast system parameter message in a wireless communication system supporting a broadcast service. In one embodiment, the message identifies a service option number corresponding to a set of broadcast parameters. In an alterna... | 03/25/2008 |
| 7349713 | Data communication apparatus and data communication method A type-2 hybrid ARQ data communication device having an improved quality of transmitted data while an increase of power consumption is avoided. The communication device transmits the same information bits (S) plural times (N times) and controls (changes) the transmi... | 03/25/2008 |
| 7349379 | Channel normalization Soft estimate normalization for weighted multiantenna high-order modulation data channel together with separate antenna pilot channels using averaging in first time slots of a transmission time interval with corrections for subsequent time slots. ... | 03/25/2008 |
| 7349421 | Method and apparatus for assigning spreading codes A method is taught for transmitting message signals in a communication system having a new call entering the communication system and Walsh codes that can be active and inactive. The method includes dividing the Walsh codes into bins and determining the number of ac... | 03/25/2008 |
| 7349368 | Data rate change notification for a communication system In a mobile communication system, a mobile switching center changes a transmission rate of communication data transmitted from a mobile station and so on to a database or a transmission rate of communication data transmitted from the database to the mobile station a... | 03/25/2008 |
| 7349359 | System and method for synchronizing broadcast/multicast service content frames in a mobile communication system A system and method for synchronizing Broadcast/Multicast Service (BCMCS) traffic in a mobile communication system connected to a BCMCS server. A Packet Data Service Node (PDSN) receives a BCMCS content frame from the BCMCS server, and transmits a corresponding Gene... | 03/25/2008 |
| 7349371 | Selecting random access channels Embodiment of the present invention can be used to select random access channels to be assigned to user terminals. In one embodiment, the invention includes a base station receiving a signal from a second radio, the received signal containing information about the s... | 03/25/2008 |
| 7349375 | CDMA to packet switching interface for code division switching in a terrestrial wireless system An access radio port is provided that includes means for spreading a payload data signal, extracted from an ATM packet, with a uniquely assigned orthogonal code, means for transmitting the spread payload data signal to one of a group of mobile subscriber terminals l... | 03/25/2008 |
| 7349486 | System and method for recognizing zero-amplitude symbols in a QAM signal and digital receiver incorporating the same A system for, and method of, recognizing zero-amplitude symbols in a quadrature amplitude modulated (QAM) signal and a digital receiver incorporating the system or the method. In one embodiment, the system includes: (1) an amplitude detector that extracts a candidat... | 03/25/2008 |
| 7349459 | Multiuser detection method and device in DS-CDMA mode A method and device for processing a received signal by detecting within the received signal a plurality of possible symbols transmitted by or for a plurality K of users, each of the plurality of possible symbols belonging to a modulation constellation and being the... | 03/25/2008 |
| 7349495 | Soft bits normalization apparatus, method, and system A receiver estimates a channel parameter from a received signal. The channel parameter may a DC signal level, a carrier to interference ratio, a noise spectrum, or the like. The receiver performs channel equalization and produces estimated symbols. The estimated sym... | 03/25/2008 |
| 7349460 | MC/MC-DS dual-mode adaptive multi-carrier code division multiple access (CDMA) apparatus and method thereof Provided are multi-carrier (MC)/multi-carrier direct sequence (MC-DS) dual-mode adaptable CDMA apparatus, the method thereof, and a computer program that implements the method. The apparatus can vary the user modulation degree and the transmission repetition degree ... | 03/25/2008 |
| 7349443 | Method and device for synchronizing data transfer devices A method and a device for synchronizing data-transmission devices, in which devices a data signal is transmitted in the form of a stream of data bursts between a first station and a second station. A reference signal is transmitted in connection with the specific da... | 03/25/2008 |
| 7349376 | Dynamic forward error correction in UTRA systems In a wireless communication system using multiplexed transport channels in combinations thereof on a coded composite transport channel (CCTrCh), a system for dynamically varying the combinations of transport channels includes configuring means for configuring mutual... | 03/25/2008 |
| 7349461 | Efficient back-end channel matched filter (CMF) An efficient method and apparatus for implementing a back-end channel matched filter in a receiver is disclosed. A typical channel matched filter embodiment includes a peak detector for establishing processing synchronization from a despread signal, a channel estima... | 03/25/2008 |
| 7346070 | Shared wireline code division multiple access A first network component of an apparatus in one example is coupled with one or more additional network components. The first network component and the one or more additional network components communicate with one another over a single, shared wireline path through... | 03/18/2008 |
| 7345999 | Methods and devices for the retransmission of data packets The present invention provides techniques for the retransmission of packets of data. One device comprises a transmission unit adapted to retransmit all previously transmitted packets transmitted during a predetermined time interval, instead of just a single packet, ... | 03/18/2008 |
| 7346038 | Method for generating 2D OVSF codes in multicarrier DS-CDMA systems A multicarrier direct-sequence code-division multiple-access (MC-DS/CDMA) communications system is provided. A code tree of two-dimensional orthogonal variable spreading factor (2D-OVSF) codes is then generated for the system. To generate the code tree, a set of exi... | 03/18/2008 |
