| Patent Number |
Title Of Patent |
Date Issued |
| 7266723 |
Method and apparatus for controlling uplink power to maintain desired frame error rate in a wire |
September 4, 2007 |
| In the absence of a continuous channel from the mobile terminal that incorporates a CRC in each transmitted frame from which the base station can derive a power control signal for feedback to the mobile station for maintaining the mobile station's pilot E.sub.b/N.sub.0 level at a desired |
| 7266382 |
Method and apparatus for decreasing perceived push-to-talk call set-up time using a buffer for i |
September 4, 2007 |
| In a telecommunications system (100), a method and apparatus for buffering the initial speech of an initial speaker in a push-to-talk call is disclosed. The method includes the steps of determining at least one participant or group to call (410, 510), sending a call request to the at |
| 7266311 |
Control of delay line interferometer |
September 4, 2007 |
| The delay setting of an optical delay line interferometer (DLI) used to decode differentially encoded phase shift keyed signals (DPSK or DQPSK) is controlled using a control signal representative of the ratio P.sub.err2/P.sub.err1 of the rate of occurrence of double errors and the ra |
| 7266257 |
Reducing crosstalk in free-space optical communications |
September 4, 2007 |
| An optical transmitter includes a modulator, a dispersion adjustment module, and an optical amplifier. The optical transmitter is configured to transmit optical pulses over a free-space optical communication channel. The modulator is configured to produce an optical carrier that is a |
| 7266162 |
Carrier frequency offset estimator for OFDM systems |
September 4, 2007 |
| A frequency offset estimator is employed that estimates the frequency offset in signal frames that include only binary Phase-Shift Keying (BPSK) carriers in OFDM systems. Specifically, the offset frequency estimator takes advantage of those OFDM systems in which some OFDM symbols onl |
| 7266127 |
Method and system to compensate for the effects of packet delays on speech quality in a Voice-ov |
September 4, 2007 |
| The system includes a jitter buffer for receiving speech packets in a Voice over Internet Protocol (VoIP) system, a playback device for adjusting the playback speed of the received speed packets, and a jitter buffer manager for detecting out of sequence packets in the jitter buffer a |
| 7266110 |
Apparatus and method for hybrid telecommunications switching |
September 4, 2007 |
| A hybrid telecommunications switch includes synchronous transfer mode (circuit), and packet switch fabrics. A controller within the hybrid switch determines the type of traffic that is to be switched in either switch fabric. Real time traffic, such as voice traffic, may be routed by |
| 7265556 |
System and method for adaptable testing of backplane interconnections and a test tool incorporat |
September 4, 2007 |
| The present invention provides a system for, and method of, adaptable testing of backplane interconnections. In one embodiment, the system includes a board detector configured to determine a relative arrangement of a plurality of hardware boards populating positions associated with t |
| 7263371 |
Method for controlling paging and registration of a mobile device in a wireless communications s |
August 28, 2007 |
| A method for locating a mobile device in a wireless communications system comprised of a plurality of base stations is provided. The method comprises associating the mobile device with a first base station of the plurality of base stations. Thereafter, a paging signal is delivered from |
| 7263290 |
Network operating system with distributed data architecture |
August 28, 2007 |
| A network operating system NOS for an agile optical network with a plurality of mesh interconnected switching nodes, manages the network using an object-oriented network information model. The model is common to all applications requiring the data stored in the network managed inform |
| 7263285 |
Method, apparatus and system for the automatic provisioning of a network element |
August 28, 2007 |
| A method for the automatic provisioning of a network element (NE) includes receiving a client signal at a tunable optical translator (OT) in the NE, determining the set of channels supported by the OT that are able to correspond to the client signal, eliminating the channels that have |
| 7263100 |
Capacity allocation for fast path restoration |
August 28, 2007 |
| Capacity design of an optical network for demands of fast path restorable (FPR) connections forms a linear programming sizing problem for a optimal routing. A dual of the linear programming sizing problem is formed and solved with an approximation algorithm. Edge lengths are initialized |
| 7263096 |
Apparatus, system and method for managing circuit and packet-switched calls on a network |
August 28, 2007 |
| Resources within a hybrid packet-circuit network are dynamically reallocated based on demand. In response to an edge switch requesting additional first resources, a network manager evaluates a plurality of possible communication paths and potential network changes to determine an opt |
| 7262898 |
Apparatus for reducing drops in a transmission spectrum due to inter-pixel gaps |
August 28, 2007 |
| The invention includes an apparatus for modulating an optical signal. The apparatus includes a modulating mechanism comprising a plurality of modulating component arrays, each modulating component array comprising a plurality of modulating components, wherein adjacent ones of the plu |
| 7260396 |
Methods for tracking users in a communication network |
August 21, 2007 |
| In a method of tracking a user in a communication network supporting a broadcast-multicast service, the network classifies groups of users into tracking areas. Movement of a user may be tracked as the user crosses a boundary between two tracking areas in the network. The method may enabl |
| 7260098 |
Cyclic buffering of a datastream |
August 21, 2007 |
| Data is distributed over multiple connections through a network in successive groups of containers such that respective containers of each group are transmitted via respective ones of the connections. Each container contains an identifier of the group to which the container belongs. |
| 7260064 |
Method and apparatus for performing network routing based on queue lengths |
August 21, 2007 |
| A method and apparatus for network routing in packet-based networks which advantageously takes traffic conditions into account dynamically in determining the "best route" for routing a packet to its intended destination. Illustratively, a potential function is employed whereby hypoth |
| 7257624 |
System for storing active and inactive configuration commands at a network node for managing its |
August 14, 2007 |
| A network node maintains an inactive config file of unsuccessfully executed configuration commands. The network node maintains an active config file of active executed configuration commands. In response to a change of conditions that invalidates an active configuration command, the |
| 7257535 |
Parametric speech codec for representing synthetic speech in the presence of background noise |
August 14, 2007 |
| A system and method are provided for processing audio and speech signals using a pitch and voicing dependent spectral estimation algorithm (voicing algorithm) to accurately represent voiced speech, unvoiced speech, and mixed speech in the presence of background noise, and background |
| 7257526 |
Discrete event parallel simulation |
August 14, 2007 |
| An efficient parallel event simulation method is implemented by simulating blocks of M edge events, where M is approximately equal to e log.sub.eN, and N being the number of interconnected processing elements. Following a simulation iteration, each processing element shares information w |
| 7257409 |
Centralized cell homing and load balancing in a base station controller |
August 14, 2007 |
| A base station controller (BSC) of a radio or wireless telecommunications network base station includes a director. A BSC includes multiple central processing units (CPUs), with each CPU running a call-processing application for one or more connections. The director is a logical entity |
| 7257291 |
Ultra-narrow bandpass filter |
August 14, 2007 |
| A passband filter exhibiting ultra-narrow characteristics comprising a cascaded pair of Mach-Zehnder (MZ) structures each including a plurality of resonators optically coupled to each of the arms of the MZ structures. |
| 7257285 |
Wavelength-selective switch and integrated wavelength demultiplexer using stacked planar lightwa |
August 14, 2007 |
| Wavelength-selective switches (WSSs) having embedded multiplexer or demultiplexer functionality include a stack of planar waveguide circuits (PLCs) in which all but one of the PLCs have identical features consisting of a single waveguide connected to a free space region, further conn |
| 7257281 |
Method for fabricating thick film alumina structures used in high frequency, low loss applicatio |
August 14, 2007 |
| A method for fabricating thick film alumina structures used in high frequency, low loss applications is provided. More particularly, the invention is directed to a co-fire process for fabricating, or laminating, thick film structures to one another by printing a conductor layer betwe |
| 7257133 |
Method for estimating offset for clocks at network elements |
August 14, 2007 |
| A new algorithm for clock offset estimation for resources distributed across a network (such as the Internet). By exchanging a sequence of time-stamped messages between pairs of network nodes and separately estimating variable delays for each message direction, present inventive embo |
| 7256835 |
Apparatus and method for deinterlacing video images |
August 14, 2007 |
| An apparatus and method for deinterlacing video images is described. In one exemplary implementation, the apparatus receives a video stream in an interlaced format. The apparatus includes a processing system configured to determine whether or not the video stream originated from a pr |
| 7254771 |
Error-erasure decoding of interleaved reed-solomon code |
August 7, 2007 |
| A method of decoding interleaved Reed-Solomon codes to achieve an improved performance for burst errors is described. The method takes advantage of both interleaving and erasure decoding to increase the error correcting capability of a system without necessarily depending on channel |
| 7254612 |
Mailbox profile portion copying among voicemail system components of networks |
August 7, 2007 |
| Node component(s) of apparatus in one example, upon registration of user(s) in second network subsequent to registration of one or more of user(s) in first network, serve to cause mailbox profile portion(s) for voice mailbox(es) that are associated with one or more of user(s) to be c |
| 7254395 |
Request to mobile station to change to common mode of communication upon entry into zone |
August 7, 2007 |
| A mobile switching component of an apparatus in one example requests a mobile station to change to a common mode of communication upon entry of the mobile station into a zone, wherein every mobile station supported by the mobile switching component in the zone employs the common mode of |
| 7254382 |
Toll payment service via wireless communication networks |
August 7, 2007 |
| A method of processing toll payments for a motorist having a wireless communications device and a billing account, via a wireless communications network. The method includes sensing that the motorist is within range of a base station for a toll plaza having a given toll that is to be |
| 7254343 |
Method and apparatus for data recovery in an optical transmission system |
August 7, 2007 |
| Method and apparatus for reducing intra-channel distortions of received data resulting from non-linear signal propagation includes parallel detection subcircuits for determining output values of sequentially provided optical data bits such that each of the sequentially provided optic |
| 7254207 |
Method and apparatus for transmitting and recieving multiplex tributary signals |
August 7, 2007 |
| A method and apparatus are provided for transmitting and receiving a plurality of individual tributary signals in multiplex form via a common line. At the transmitting end, the tributary signals, each of which has a similar initial frequency, are converted into a compound signal having a |
| 7254034 |
Thermal management for shielded circuit packs |
August 7, 2007 |
| A thermal management for EMI shielded circuit packs having one or more high-power components, i.e. heat sources. More particularly, a heat transfer device or assembly for EMI shielded circuit packs is provided whereby multiple components (e.g., high-power components) are cooled by in |
| 7253958 |
Tunable micro-lens arrays |
August 7, 2007 |
| An apparatus includes a planar substrate and an array of substantially transparent spherical micro-lenses forming a pattern. The pattern has an internal two-dimensional lattice symmetry on the planar substrate. Each micro-lens includes a convex bulge or a concave depression in a surface |
| 7253616 |
Microelectromechanical magnetometer |
August 7, 2007 |
| An apparatus comprising a substrate and a MEM device. The MEM includes a comb capacitor and a magnetic element physically connected to one electrode of the comb capacitor. The magnetic element is capable of moving the one electrode in a manner that alters a capacitance of the comb ca |
| 7253550 |
Torsional electrostatic actuator |
August 7, 2007 |
| Multiple drives are coupled together to cause rotation about a single axis by an arrangement in which two moveable electrode plates flank a fixed electrode plate such that the opposite direction rotations of the two moveable electrode plates are combined. To this end, at least one arm |
| 7253063 |
Method of fabricating a composite gate dielectric layer |
August 7, 2007 |
| A semiconductor device having composite dielectric layer formed between a silicon substrate and a gate electrode. The composite gate dielectric layer including a layer of silicon oxide, SiO.sub.x.ltoreq.2, having a dielectric constant of greater than about 3.9 and about 12 or less, and a |
| 7252084 |
Solar tracking system |
August 7, 2007 |
| A solar tracking system has a first set of solar heat gain transducers (700) that produce respective first output signals to drive a reversible first motor (300) for changing a vertical angle of a solar collector (200); and a second set of solar heat gain transducers (700) that produce |
| 7251769 |
Methods and apparatus for communication using generalized low density parity check codes |
July 31, 2007 |
| Techniques and systems for design and use of generalized LDPC codes. A generalized LDPC code comprises a set of codewords producing valid results when submitted to a validator comprising a set of variable nodes and a set of check nodes, with outputs of the variable nodes being connec |
| 7251692 |
Process to thwart denial of service attacks on the internet |
July 31, 2007 |
| Denial of service (CSDoS) attacks are managed by a process that diverts a fraction of SYN packets destined to a server S to a web guard processor. The web guard processor acts as a termination point in the connection with the one or more clients from which the packets originated, and upo |
| 7251492 |
Frequency reuse scheme for downlink power channels in a sectorized network |
July 31, 2007 |
| The frequency reuse scheme for downlink power channels in a sectorized network assigns transmit power for control channels transmitted by cell blocks in a cell layout such that cell blocks aligned in a particular direction have an incrementally higher transmit power. |
| 7251417 |
Method and apparatus for optimization of dispersion-managed return-to-zero transmission by emplo |
July 31, 2007 |
| A method and apparatus for transmitting optical pulses in a dispersion-managed optical transmission system comprises determining the pulse width of optical pulses in a optical transmission channel in accordance with the path-average dispersion (PAD) experienced by that channel. |
| 7251267 |
System and method for determining a best round trip delay indicator |
July 31, 2007 |
| A system and method for determining a round trip delay (RTD) indicator for mobile telephone signals originating from a mobile unit and received at a plurality of base stations in a wireless telecommunications system comprising at least some base stations using rake receivers, each rake |
| 7251228 |
Method for cell switching in wireless communication systems |
July 31, 2007 |
| A method for switching cells by a mobile equipment of a communication system. The mobile transmits a signal coded with a spreading code indicating the mobile's intent to switch cells and the coded information also identifies to which cell the mobile wants to switch. The coded informa |
| 7251071 |
Transient control in optical transmission systems |
July 31, 2007 |
| In an optical transmission system, operations of certain elements are adjusted in an individualized manner after detecting a change in the total optical power level corresponding to multiple optical channels in a link of the system in order to control transients in those channels. For |
| 7249132 |
Translation of information between database formats understood by different user equipment compo |
July 24, 2007 |
| Information that is based on a database portion of a first user equipment component is translated from a first database format to a second database format for a download of the information from a network storage component to a second user equipment component. The first database format is |
| 7248885 |
Automatic/timed silencing of mobile phone from a network |
July 24, 2007 |
| A method and system provides automatic/timed silencing of a mobile phone by a telecommunications network. The method has the steps of: forming a schedule of silence at a mobile phone; sending the schedule of silence to a mobile switching center; storing the schedule of silence in a s |
| 7248863 |
Alert-me management system for telecommunications infrastructure and method of operation thereof |
July 24, 2007 |
| An alert-me management system for a telecommunications infrastructure and a method of providing an alert-me service. In one embodiment, the system includes: (1) distributed alert-me request servers configured to receive and aggregate alert-me requests pertaining to uniquely identified |
| 7248686 |
System and method for routing calls using a universal access phone number |
July 24, 2007 |
| A system and method of routing calls made to a called party Universal Access Phone Number (UAPN) in a telecommunications network is provided. The method includes determining the time the call is made, determining the day the call is made, selecting a time/day-phone number for a desti |
| 7248647 |
Radio telecommunications system operative by interactive determination of soft estimates, and a |
July 24, 2007 |
| A system to communicate digital data symbols with higher than QPSK modulation comprises a transmitter and receiver. The transmitter comprises, a modulator and circuitry to split and encode the data into a first block of more significant bits and a second block of less significant bit |
