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| Number | Title | Issue Date |
| 6834047 | Data communication apparatus and method in multi-carrier CDMA communication system There is provided a data communication apparatus and method in a multi-carrier CDMA communication system. A transmitting device determines whether a supplemental channel is transmitted. If the supplemental channel is transmitted, the transmitting device assigns the ... | 12/21/2004 |
| 6816555 | Signal component demultiplexing apparatus, filter apparatus, receiving apparatus, communication apparatus, and communication method A communication apparatus, a signal component demultiplexing apparatus, and a filter apparatus for reducing a load of FFT processing in a receiver in multi-carrier communication, wherein the receiving apparatus provides a signal component demultiplexing apparatus be... | 11/09/2004 |
| 6816500 | Apparatus, method and system for multimedia access network channel management An apparatus, method and system are provided for multimedia access network channel management, such as channel management in a hybrid fiber-coaxial cable network, for voice (telephony), video, fax and data transmission. The preferred system embodiment includes a plu... | 11/09/2004 |
| 6816475 | System and method for dynamic bandwidth allocation for T1 or E1 trunks The invention herein is described relates to a system and method for efficiently using bandwidth across a fixed wireless or wired interface, which may be a broadband wireless access interface. A preferred embodiment of the invention dynamically assigns bandwidth for... | 11/09/2004 |
| 6810029 | Method for using a subscriber unit to selectively utilize B and D channels to support a plurality of communications A method for using a wireless digital subscriber unit to receive, process and transmit a plurality of communications having independent data rates includes establishing a first communication channel having a first data communication rate to support a first communica... | 10/26/2004 |
| 6809632 | Method for transmitting adaptive multi-channel packet in power line communication system A method for transmitting an adaptive multi-channel packet in power line communication system comprises the steps of: (a) transmitting a packet from a first node to a second node with a predetermined transmission speed through a power line by using a multi-channel i... | 10/26/2004 |
| 6807426 | Method and apparatus for scheduling transmissions in a communication system Method and apparatus for a generalized scheduler for scheduling transmissions in a communications system. The scheduler is defined by a priority function of the channel condition and fairness criteria. The generalized scheduler is adapted to apply a variety of combi... | 10/19/2004 |
| 6804211 | Frame structure for an adaptive modulation wireless communication system A method of assigning downlink time slots to receive units where the units may generate data using different modulation schemes. The method preferably assigns the downlink time slots as a function of the complexity of modulation schemes employed by the units. Furthe... | 10/12/2004 |
| 6804520 | Temporary service interruption for high speed data transfer In a mobile radio communications system, first radio resources are allocated to a first mobile radio communication. The term “radio resources” relates to one or more resources used to support a mobile radio communication and may include, for example, radio bandw... | 10/12/2004 |
| 6799043 | Method and apparatus for a reverse link supplemental channel scheduling An apparatus and method for communications of scheduling information of reverse link transmissions are disclosed. A base station controller determines scheduling of a reverse link supplemental channel transmission for a mobile station in a communication system (1... | 09/28/2004 |
| 6795410 | Slow hopping data transmitter A method and apparatus for coupling data between communication devices in which data is transmitted over unoccupied radio channels. Multiple radio channels are monitored by a first communication device and a radio channel or a sequence of radio channels is assigned ... | 09/21/2004 |
| 6791968 | Method and apparatus for wirelessly communicating different information streams A method and apparatus dynamically assigns each of a plurality of different information streams associated with one wireless communication unit (12a), to independent communication resources from different communication resource pools from each of a plu... | 09/14/2004 |
| 6792274 | Method for distributing the capacity of a transmission system in a base station network In a system handling communication between base transceiver stations (BTS1-BTS12) and base station controllers (BSC) of a cellular radio network the transmission capacity is composed of a predetermined number of capacity units (T0-T31). A... | 09/14/2004 |
| 6792275 | Fuzzy channel allocation controller having service quality insuring A fuzzy channel allocation controller assuring a quality of service and used in a hierarchical wireless communication system. A system with the fuzzy channel allocation controller is provided, and a threshold for allowing a call entering into the system is adaptivel... | 09/14/2004 |
| 6788659 | Transmission control without limitation of the number of users A packet transmission control method is achieved by borrowing a first one of a plurality of channels for a first one of a plurality of existing users in response to a packet receiving request, and by transmitting packets to a new user using the first channel. ... | 09/07/2004 |
| 6778835 | Method for allocating physical channel of mobile communication system and communication method using the same The present invention relates to a physical channel allocation method of a mobile communication system and a communication method using the same which is capable of allocating physical channels efficiently for a RACH (Random Access Channel) and a CPCH (Common Packet... | 08/17/2004 |
| 6778513 | Method and apparatus for separting multiple users in a shared-channel communication system A method and apparatus for distinguishing between two or more signals, each associated with a particular remote user terminal, in a shared-channel wireless communication system. A communication device, for example, a base station, causes an offset (e.g., a time and/... | 08/17/2004 |
| 6775259 | Method and a device to utilise the channels of a cellular system In a cellular system information is transmitted from a base station (100, 400) to a terminal (101, 500). Between the base station and the terminal there is defined a paging channel (110) in order to transmit requests for establishing downlink co... | 08/10/2004 |
| 6771619 | Automatic detection and modification of channel usage in TDMA wireless communication networks A mobile switching center switches telephone calls in a time division multiplex access wireless communications network architecture. A communications controller in the mobile switching center is adapted to control communications between the mobile switching center a... | 08/03/2004 |
| 6760366 | Method and apparatus for pilot search using a matched filter The present invention includes a cellular pilot signal detector or searcher for use in a cellular mobile communications unit. The signal detector uses a matched filter to detect a pilot signal transmitted from a cellular base station. The matched filter includes a p... | 07/06/2004 |
| 6754229 | Hashing algorithm for a quick paging channel The present invention provides an improved method of alerting a remote device in an idle state over a channel. A value R1, which is the location of an initial PI bit within an initial half of at least one time slot on the channel, is computed based on a h... | 06/22/2004 |
| 6744743 | Method and apparatus for controlling transmissions of a communications system In some aspects, each cell in the communications system can be designed to operate in accordance with a set of back-off factors that identify the reductions in peak transmit power levels for the channels associated with the back-off factors. The back-off factors are... | 06/01/2004 |
| 6742187 | Upstream bandwidth allocation map (MAP)-initiated channel change method for data-over-cable systems An upstream channel change for a cable modem in a data-over-cable system is achieved via an upstream bandwith allocation map message sent from a cable modem termination system to cable modems, instead of requiring an exchange of upstream channel change request and r... | 05/25/2004 |
| 6738623 | Method for dynamically allocating channel at extended coverage of base transceiver station in mobile communication system A method for dynamically allocating a traffic channel element at an extended coverage of a base transceiver station which is divided by a cell site modem (CSM) ASIC in a mobile communication station is disclosed. In case that the call coverage is divided into a norm... | 05/18/2004 |
| 6725062 | Method to increase the number of simultaneous users in a control hold MAC state in CDMA A method for sharing Walsh codes between at least two mobile stations operating simultaneously in a Control Hold Medium Access Control (MAC) state in Code Division Multiple Access (CDMA), whereby for each respective mobile station, upon entry of the respective mobil... | 04/20/2004 |
| 6721304 | High-speed data transmission in a mobile communications system A channel configuration of a digital mobile communications system comprises two or more lower-rate transmission channels for each high-speed radio interface traffic channel between a base station and an interworking function. Radio frames, such as EDGE frames, are t... | 04/13/2004 |
| 6721575 | Speech/USSD interoperability mechanism A method for performing USSD transfer between a mobile station and a cellular communications network. The USSD transfer has a maximum data rate equal to the data rate of an associated control channel. The method comprises the following steps: 1) evaluating a set of ... | 04/13/2004 |
| 6717929 | Multi-antenna radio apparatus with simplified circuit structure A radio apparatus includes a plurality of antennas, a plurality of spreading sections, a synthesizing section a converting section, a plurality of inverse spreading sections and a control unit. The plurality of antennas are provided at different physical positions t... | 04/06/2004 |
| 6711142 | Communication apparatus, communication system, and method of the same A communication apparatus capable of increasing a bit rate of communication in the down direction by using an existing bidirectional communication system, wherein mobile management, call control, wireless management, etc. are performed and communication conditions a... | 03/23/2004 |
| 6701149 | Handoff framework to support real-time delay-critical services in a next generation network A next generation wireless data network and method for handing off a mobile node is presented. The network includes a core network (CN) coupled to a plurality of radio access networks (RANs). The RAN servicing the mobile node examines overload factors in ... | 03/02/2004 |
| 6697627 | Base station selection system, apparatus and method for a wireless local area network (LAN) A wireless local area network (LAN) has a plurality of wireless base stations, one or more wireless mobile terminal machines communicating over specific frequency bands, and a cabled LAN connecting the wireless base stations. The wireless base station com... | 02/24/2004 |
| 6697378 | Method and apparatus for class based transmission control of data connections based on real-time external feedback estimates obtained using messaging from a wireless network A system of wireless network with capabilities of transporting data packets, wherein the data transmission activity of each data connection is determined using the localized air interface capacity threshold and available bandwidth estimates obtained via t... | 02/24/2004 |
| 6687239 | Method for dynamic channel allocation in a frequency hopping radio system A method of dynamic channel allocation in a frequency hopping communications system is disclosed providing improved efficiency and reliability. During the course of communications between a plurality of transceivers over a frequency hopping wireless commu... | 02/03/2004 |
| 6678527 | Multimedia and multiservice calls in mobile network One common traffic channel is allocated to a multiservice call which requires simultaneous transmission of two or more different information flows apart from one another. This common traffic channel is divided into a transparent and a non-transparent sub-... | 01/13/2004 |
| 6661782 | Routing area updating in packet radio network The invention relates to a cellular packet radio. network and to a method for updating a routing area in a packet radio network. Packet radio support nodes (SGSN) are connected to a digital cellular radio network (BSS), which provides a radio interface fo... | 12/09/2003 |
| 6650872 | Method and device for estimating a carrier-to-interference ratio in a radio communication system The carrier-to-interference ratio in a radio communication system is estimated by using measurements of the received signal strength in a communication channel within periods of time when transmission is discontinued and measurements of the received signa... | 11/18/2003 |
| 6650655 | Allocation of data transmission resources between different networks The idea of the invention is the allocation of transmission resources in several separate steps. In the first step, the available transmission resources are dynamically divided between the different networks. In the second step, the networks divide the re... | 11/18/2003 |
| 6639904 | Method and system for adapting a channel assignment plan to include shared frequency channels In a cellular communication network (20) having a channel assignment plan (28) that distinguishes frequency channels (34) assigned to a plurality of cells (24), a method (58) and system (46) adapt the channel assignment plan (28) during network planning t... | 10/28/2003 |
| 6631125 | Channel set-up in wideband, code division multiple access systems Methods and systems for setting-up channels in third generation (3G) communication systems that utilize wideband, code division multiple access signaling protocols including the reserving of a branch of the channelisation code tree to set-up the channels.... | 10/07/2003 |
| 6628629 | Reservation based prioritization method for wireless transmission of latency and jitter sensitive IP-flows in a wireless point to multi-point transmission system A wireless telecommunications network having superior quality of service is provided. A system and method for assigning future slots of a transmission frame to a data packet in the transmission frame for transmission over a wireless telecommunication netw... | 09/30/2003 |
