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| Number | Title | Issue Date |
| 6693909 | Method and system for transporting traffic in a packet-switched network A method and system for transporting traffic in a packet-switched network segments high priority pass-through traffic from low priority pass-through traffic. The high priority pass-through traffic is transmitted on an egress link preferentially over the l... | 02/17/2004 |
| 6693879 | Data communication apparatus and method A data communication apparatus as a device. A discrimination data of own device is sent. When the discrimination data is received from another device, the discrimination data is stored as a direct communicatable device for the own device. A direct communi... | 02/17/2004 |
| 6658011 | Use of wireless application protocol in a packet-switched radio telecommunication system A method is provided for transmitting information related to the use of the Wireless Application Protocol between a first device and a second device coupled to a packet-switched data transmission network. A first protocol stack (201, 202, 203, 204, 205, 2... | 12/02/2003 |
| 6654348 | Modem pass through for remote testing A lab network access server is disclosed in accordance with an embodiment of the present invention. The lab network access server is coupled to a customer network server through a packet switching network. The customer modem device includes a customer mod... | 11/25/2003 |
| 6636505 | Method for service provisioning a broadband modem A method for automatically provisioning a broadband communication service to a subscriber having a broadband modem. The method includes the step of transmitting a service request from the broadband modem to a central office, which is associated with a net... | 10/21/2003 |
| 6625132 | Idle intersystem roaming determination and system reselection in a CDMA wireless communication system A wireless communication system and a mobile station employ at least one threshold to evaluate the quality of transmissions from a serving base station to determine when the mobile station enters a Dead Zone adjacent a border cell of the system. Such thre... | 09/23/2003 |
| 6621790 | Link aggregation repeater process An aggregate link system is provided with cooperating link aggregation member devices defining a link aggregation. An end device is provided. Network links connect the end device to each of the link aggregation member devices. One or more of the network l... | 09/16/2003 |
| 6606297 | Bi-directional ring network having minimum spare bandwidth allocation and corresponding connection admission control The present invention provides for a method for reserving spare bandwidth for a link in a communication network including a plurality of links. The method provides for monitoring the volume of traffic routed through each link of the communication network.... | 08/12/2003 |
| 6606303 | Method and device in a packet switched network In a packet switched network, the link having the lowest cost to a certain destination is obtained. For each link to the destination, the link cost is calculated based on at least two parameters, the link having the lowest link cost is selected. The calcu... | 08/12/2003 |
| 6594247 | Neighbor-assisted contention resolution for multi-user communication A contention resolution method includes the steps of determining a contention has occurred and requesting contention resolution from radios in the system (604). Radios in the system receive the request and do not transmit in the next control frame (606). ... | 07/15/2003 |
| 6594226 | Apparatus and method of enhancing transmit diversity Disclosed is a method and apparatus for enhancing diversity gain without reducing data rate by increasing the number of antenna elements and configuring the antenna elements for improving signal-to-noise ratio at a receiver. The antenna array comprise a f... | 07/15/2003 |
| 6574198 | Systems and methods for maintaining a signaling link in a communications network Systems and methods related to maintaining a signaling link between network terminals in a communications network. Periodic receiver ready frames are transmitted from a first terminal to a second terminal when there are no data frames to be transmitted. A... | 06/03/2003 |
| 6556539 | Selector switch control using priority table A system and method for reducing undesirable phase transients caused by revertive switchover in a telecommunications network. Selector switch settings are assigned priorities. The priorities indicate an order of preference in which to assign selector swit... | 04/29/2003 |
| 6556580 | Multi-function transmit packet buffer A transmit packet buffer (TPB) is used on a network interface card (NIC) to store downloaded packets and forward them through the media access controller (MAC) and the physical layer interface (PHY) onto the wire. A multi-function TPB is implemented to al... | 04/29/2003 |
| 6556547 | Method and apparatus providing for router redundancy of non internet protocols using the virtual router redundancy protocol A router providing router redundancy and fail-over protection for Internet Protocol (IP) and at least one other network layer protocol. The router Includes means for determining if the router has Virtual Router Redundancy Protocol (VRRP) enabled, means fo... | 04/29/2003 |
| 6556574 | Duplicate ignore delay timer for ARP like protocol messages using are protocol A router transmits an ARP Explorer request packet onto a subnetwork in order to learn the route (RIF information) from the router to an end station. The end station receives a plurality of ARP Explorer request packets from the router because of multiple p... | 04/29/2003 |
| 6549512 | MDSL DMT architecture A DMT device having an analog front end for receiving an analog signal, a converter for converting the analog signal to a digital signal, a FFT for converting the digital signal from the time domain to the frequency domain and feeding the digital signal t... | 04/15/2003 |
| 6546009 | Method of reducing delays in packet data transmission A method of reducing transmission delays in a packet-switched telephone system. Each of the data packets carrying telephone voice data is under-filled when necessary in order to avoid undue delays in sending the packets to their designation. Under-filling... | 04/08/2003 |
| 6545981 | System and method for implementing error detection and recovery in a system area network A system and method for facilitating both in-order and out-of-order packet reception in a SAN includes requestor and responder nodes, coupled by a plurality of paths, that maintain the good and bad status of each path and also maintain local copies of a m... | 04/08/2003 |
| 6542469 | Communications network system and method for routing based on disjoint pairs of path Methods for determining at least two pre-computed paths to a destination in a communications network are provided. The two paths are maximally disjoint. Maximally disjoint paths are paths where the number of links or nodes common to the two paths is minim... | 04/01/2003 |
| 6542504 | Profile based method for packet header compression in a point to point link A method is shown for compression of packet header information of packets transmitted on a point to point link. First and second endpoints of the point to point link negotiate a profile for packet header information for packets transmitted from the first ... | 04/01/2003 |
| 6542483 | Method and an apparatus for Eb/Nt estimation for forward power control in spread spectrum communications systems A spread spectrum communications CDMA system (10) in which power control mitigates received signal fluctuations due to Rayleigh fading and hence achieve optimal system (10) capacity. The method and hardware implementation (42) is described for the inner l... | 04/01/2003 |
| 6535486 | Method and apparatus for adaptive prioritization of multiple information types in highly congested communication devices A method and apparatus are used in a gateway to discard selected frames received with a selected encoded-information-type from a communication link with a larger bandwidth to avoid overflowing an internal delay variance removing queue used for protocol tr... | 03/18/2003 |
| 6526042 | System for initiating a call utilizing java-embedded email A system for permitting a first party to initiate a call from a second party to the first party, comprising a network for providing communication between the first party and the second party; web server connected to the network for storing at least one we... | 02/25/2003 |
| 6519242 | Apparatus and method of PSTN based network roaming and SCP based subscriber management for internet telephony systems A system and method of PSTN based network roaming and SCP based subscriber management for internet telephony systems. When a call is incoming to the central office 60 of a subscriber's home service area which supports packet data network telephony 10, suc... | 02/11/2003 |
| 6519240 | Method and base station system for channel allocation in a radio communication system According to the invention, a first portion of the timeslots is allocated to a first base station and a second portion of the timeslots is allocated to a second base station, in particular, in the downlink direction of a radio communications system having... | 02/11/2003 |
| 6519255 | Universal optical network unit for use in narrowband and broadband access networks The invention is an optical network unit (ONU) connectable between an optical fiber and a plurality of twisted pairs, the optical fiber carrying downstream traffic elements from a host digital terminal (HDT) to the ONU, each downstream traffic element hav... | 02/11/2003 |
| 6516003 | Data communication apparatus In the conventional data communication apparatus, there has been arisen a flag emulation due to a false pattern similar to the pattern of the true flag in a frame signal including a plurality of frames. To avoid the flag emulation, the data communication ... | 02/04/2003 |
| 6504824 | Apparatus and method for managing rate band A re-calculator circuit obtains the MCR value of each connection stored in an MCR storage unit, and performs a calculation in such a way as to impartially distribute the available rate band of a FIFO among active connections. The re-calculator circuit sto... | 01/07/2003 |
| 6501736 | System for increasing the call capacity of a wireless communication system The system for increasing the call capacity of a wireless communications system degrades voice quality of the communications connections within a predetermined limit in order to increase the efficiency of the available RF spectrum as measured by the call ... | 12/31/2002 |
| 6487168 | Static switched virtual circuits in a connection oriented network A system for establishing static SVCs (i.e. permanent SVCs) whereby the results of the signaling/routing protocol generated when the network is first brought up are stored in a `permanent SVC` memory. The results of the signaling/protocol that were previo... | 11/26/2002 |
| 6483848 | Method for receiving information, apparatus for receiving information and medium A receiving apparatus includes an information receiving portion for receiving images, speech, text, data and the like, an additional information receiving portion for receiving additional information comprising a next key word indicating the contents of i... | 11/19/2002 |
| 6473435 | Method and apparatus for transferring packets to a memory An apparatus for transferring packets. The apparatus includes a memory. The apparatus includes an accumulation mechanism in which packets are stored until they are to be placed in the memory. The accumulation mechanism is connected to the memory. The appa... | 10/29/2002 |
| 6463049 | TDMA radio terminal capable of adjusting transmit timing by using measured delay time A TDMA radio terminal comprises a transmitter portion and a receiver portion. A reference signal is launched in the transmitter portion while tuning the receiver portion. At the same tine, an internal delay counter is started. The counter counts clock pul... | 10/08/2002 |
| 6456605 | Method and a system for optimal utilization of the data communication capacity in a cellular radio system The discussion concerns the mutual arrangement of packets to be transmitted in a radio system, where the transmitted data is formed into packets (204, 205, 206) for the transmission. The system comprises at least two transmitting devices which transmit su... | 09/24/2002 |
| 6452908 | Route searching circuit and communication apparatus using the same A communication control apparatus includes an input and output unit responsive to reception of a packet, for generating a search request and a destination address of the packet to receive a resultant route data, and for transmitting the packet based on th... | 09/17/2002 |
| 6452923 | Cable connected wan interconnectivity services for corporate telecommuters A twisted pair and/or coaxial cable fed, integrated residence gateway controlled set-top device provides a plurality of services. One service is lifeline service which may be provided over the coaxial cable via a cable modem of the integrated residence ga... | 09/17/2002 |
| 6449274 | Apparatus for high speed communication system Methods and devices useful in high-speed scalable switching systems include a memoryless switch fabric, per virtual channel queuing, digital phase aligners, randomized and complement connection modes, a mid-point negative acknowledge and output negative a... | 09/10/2002 |
| 6449257 | System and method of managing network state in mobile radio communication system A network state management system and method in a mobile radio communication system capable of preventing the inconsistency of the state information between a plurality of networks, routing defect, abnormal load share function, etc. According to the netwo... | 09/10/2002 |
| 6445705 | Method for a high speed communication system Methods and devices useful in high-speed scalable switching systems include a memoryless switch fabric, per virtual channel queuing, digital phase aligners, randomized and complement connection modes, a mid-point negative acknowledge and output negative a... | 09/03/2002 |
