| Patent Number |
Title Of Patent |
Date Issued |
| 7171490 |
Method and apparatus for reducing the number of write operations during route updates in pipelin |
January 30, 2007 |
| A method and apparatus for reducing the number of write operations during route updates in router forwarding engines eliminates "excess" (i.e., "redundant") writes to the routing trie. One or more writes are "redundant" with respect to another write if the timestamp of the other writ |
| 7171463 |
System and method for denoting and communicating with computer network mobile sites |
January 30, 2007 |
| A system for, and method of, denoting and communicating with a computer network site and a computer network incorporating the system or the method. In one embodiment, the system includes: (1) an address parser that makes a determination of whether the site is a mobile site from an ad |
| 7171228 |
Application server component notification to one or more communication devices of one or more op |
January 30, 2007 |
| An application server component of an apparatus in one example receives one or more notifications of one or more open communication sessions from one or more first communication devices. The application server component sends one or more of the one or more notifications of one or more of |
| 7171199 |
Method and system for directing a data message in a wireless communications network including mu |
January 30, 2007 |
| A mobile station scans for electromagnetic signals representing control channels of the public wireless system and the private wireless system. The mobile station measures a received signal parameter of at least one of the scanned control channels. The hybrid communications network may |
| 7171165 |
Method for determining a transmission rate on the reverse common signaling channel of a wireless |
January 30, 2007 |
| A mobile terminal selects a transmission rate for the reverse common signaling channel in response to at least one mobile-terminal-measured metric that is associated with the RF conditions of the channel. The mobile terminal is provided with information, where the information takes t |
| 7171160 |
Method and apparatus for dynamic frequency selection in a wireless communications network |
January 30, 2007 |
| An advance over the prior art is achieved through an efficient method for the dynamic selection of frequencies with low occupancy in a manner that results in minimizing the search for such frequencies and the risk of a large of number of nodes choosing the same frequency. A method for |
| 7171124 |
Wavelength routing and switching mechanism for a photonic transport network |
January 30, 2007 |
| A connection between a source node and a destination node is automatically routed and switched in a WDM photonic network, on receipt of a connection request. A switching and routing mechanism selects a plurality of valid link paths using a path tree, where invalid branches are eliminated |
| 7171117 |
Optical router |
January 30, 2007 |
| An optical router is disclosed having at least one frequency router. The frequency router includes a plurality of input ports and a plurality of output ports. At least one input port simultaneously receives at least two optical signals to be frequency routed, while at least one output |
| 7171116 |
Provisionable keep-alive signal for physical-layer protection of an optical network |
January 30, 2007 |
| A dual-output Mach-Zehnder modulator (MZM2) and configurations of optical transmitters based on the MZM2 which obviate the optical splitter that is typically used to provide keep-alive functionality in redundantly-connected, protected optical networks, SONET add-drop multiplexers, an |
| 7171067 |
Integrateable optical interleaver and de-interleaver |
January 30, 2007 |
| A proposed integrateable optical interleaver includes an input Y-branch coupler and at least two multi-section optical couplers. The multi-section optical couplers of the interleaver include at least three substantially similar optical couplers, adjacent ones of the optical couplers |
| 7170993 |
Methods and apparatus for automated monitoring and action taking based on decision support mecha |
January 30, 2007 |
| Techniques are provided for use in accordance with such systems as web sites operating electronic commerce (e-commerce) applications, interactive voice response (IVR) systems and workflow systems for providing automated monitoring of user activity and personalized action taking based |
| 7170982 |
Call authorization and billing message routing capability |
January 30, 2007 |
| A method and apparatus for routing billing request and response messages to a billing server for serving calls by a particular subscriber. When the subscriber originates a call, an original billing request message is transmitted to an agent server. The agent server determines which billi |
| 7170954 |
Cayley-encodation of unitary matrices for differential communication |
January 30, 2007 |
| Differential unitary space-time (DUST) communication is a technique for communicating via one or more antennas by encoding the transmitted data differentially using unitary matrices at the transmitter, and decoding differentially without knowing the channel coefficients at the receiver. |
| 7170946 |
System and method for reviving catastrophic codes |
January 30, 2007 |
| A system and method of the present invention revives a catastrophic code used for channel coding data. A data receiving circuit receives a digital input data sequence to be coded with a code having a distance spectrum containing an infinite component that corresponds to a finite hamming |
| 7170893 |
Technique for selecting the number of packets to be concatenated |
January 30, 2007 |
| A communication node comprises a receiver for receiving packets and a routing device for routing the received packets to one of two output ports. For each output port, the communication node further comprises a classifier for classifying a received packet based on its traffic charact |
| 7170887 |
Methods and apparatus for providing voice communications through a packet network |
January 30, 2007 |
| A communications system multiplexes voice communications signals onto one or more transport level connections established through a packetized network, such as the Internet. The invention supports the use of variable-length packets and accommodates variable jitter. The system conform |
| 7170874 |
Antenna hopping sequence for TX diversity in wireless telecommunication systems |
January 30, 2007 |
| The invention proposes for improving the overall spectral efficiency of wireless telecommunication systems, in particular of mobile communication systems, the transmission of at least one multiframe signal having a plurality of sub-frames with predefined logical channels (BCCH, FCCH, |
| 7170858 |
Rate control for multiplexed voice and data in a wireless communications system |
January 30, 2007 |
| Disclosed is a method of controlling communication rates over a link within a communications system. The method includes storing packets associated with voice and data traffic in individual buffers, and determining an instantaneous number of active voice and active data traffic in th |
| 7170393 |
Method and apparatus for the automatic determination of network cable connections using RFID tag |
January 30, 2007 |
| Radio Frequency Identification (RFID) tags and an antenna grid are used for automatic determination of cable connections. An RF antenna grid is advantageously employed on a device having a plurality of device ports (e.g., cable connection points) which may, for example, be physically |
| 7170147 |
Dissipative isolation frames for active microelectronic devices, and methods of making such diss |
January 30, 2007 |
| Microelectronic apparatus having protection against high frequency crosstalk radiation, comprising: a planar insulating substrate; an active semiconductor electronic device located over a first region of the insulating substrate; and a doped semiconductor located in a second region o |
| 7168266 |
Process for making crystalline structures having interconnected pores and high refractive index |
January 30, 2007 |
| Techniques for producing a glass structure having interconnected macroscopic pores, employing steps of filling polymerizable glass precursors into pores in a polymeric structure having interconnected macroscopic pores; polymerizing the precursors; and decomposing the polymers to prod |
| 7168028 |
Method and apparatus for MAP decoding of binary hamming codes and related error correction codes |
January 23, 2007 |
| A method and apparatus are disclosed for MAP decoding of signals encoded using error correction codes to make maximum probability decisions about each transmitted bit. A disclosed MAP decoding algorithm extends the work of Hartman and Rudolph and exploits properties of Hamming error |
| 7167983 |
System and method for security project management |
January 23, 2007 |
| A database-modeled security policy includes policy statements stored in a database. Each policy statement has associated standards, guidelines, and procedures. Policy statements are grouped together into tag groups, which are in turn grouped together to form metapolicies. A security |
| 7167518 |
Bandwidth-efficient modulation in communication systems |
January 23, 2007 |
| A transmitter of digital data includes a modulator with an input for a carrier signal and an input for a first stream of control symbols. The modulator modulates the carrier signal with a second stream of symbols produced by the modulator. Each symbol of the second stream has a value |
| 7167507 |
Equalizer and method for performing equalization in a wireless communications system |
January 23, 2007 |
| A receiver, system, and method for performing equalization. The receiver includes a multi-channel chip equalizer for receiving a plurality of receive baseband signals and restoring chip pulse shapes of a plurality of transmit baseband signals transmitted by a plurality of transmit an |
| 7167299 |
Method and apparatus for controlling pump powers of broadband Raman amplifiers in optical transm |
January 23, 2007 |
| A method and apparatus for controlling the pump powers of a broadband DWDM optical system using Raman amplification which determines pump settings that are advantageously directed to minimizing the peak-to-peak ripple of the channel powers with respect to a given per-channel target. The |
| 7165115 |
Method for controlling the disposition of an incoming call based on the loading status of a rout |
January 16, 2007 |
| Disclosed are network management procedures that apply measurements of traffic load to achieve greater efficiency in the operation of the network. In a method for deciding whether to route an incoming call on a selected potential service route, the potential service route is treated |
| 7165025 |
Auditory-articulatory analysis for speech quality assessment |
January 16, 2007 |
| Auditory-articulatory analysis for use in speech quality assessment. Articulatory analysis is based on a comparison between powers associated with articulation and non-articulation frequency ranges of a speech signal. Neither source speech nor an estimate of the source speech is util |
| 7164824 |
Waveguide turn for a waveguide circuit |
January 16, 2007 |
| A waveguide turn having two waveguides oriented at an angle with respect to one another and optically coupled to one another by a reflective surface. In one embodiment, the reflective surface is a side of a trench formed in the core and cladding regions of the waveguides, which is de |
| 7164730 |
Digital demodulator, a telecommunications receiver, and a method of digital demodulation |
January 16, 2007 |
| A digital demodulator comprises means (14) to perform a complex frequency shift operation on the received signal so as to provide a first signal at an intermediate frequency of one quarter of the sampling frequency. The digital demodulator also comprises a quadrature down converter (22) |
| 7164688 |
Transporting a gigabit per second data stream over a SDH/SONET network |
January 16, 2007 |
| A data stream having a bit rate of R gigabits per second (R=1 or an integer power of 2) is transported over a synchronous network using virtual concatenation. A prescribed number of channels (e.g., 7 for SDH, 21 for SONET) are allocated for transmitting streams of containers over the |
| 7164527 |
Method, apparatus and system for controlling the effects of power transients in optical transmis |
January 16, 2007 |
| A method, apparatus and system for controlling power transients in amplified optical transmission system includes, in response to the detection of a power transient in an optical signal, varying a gain of at least one amplifier to correct for a time delay in a gain response associate |
| 7164526 |
Parametric amplification using two pump waves |
January 16, 2007 |
| An optical parametric amplifier (OPA) driven with at least two pump waves. The pump waves may be configured such that the OPA produces uniform exponential gain over a range of wavelengths that extends, for example, at least 30 nm on either side of the average pump-wave wavelength. In |
| 7162675 |
Error detection methods in wireless communication systems |
January 9, 2007 |
| The error detection method includes decoding a portion of each control channel that is simultaneously received by a user equipment (UE) in a wireless communication system. The UE is provided with techniques to determine if one or more of the control channels were successfully receive |
| 7162551 |
Memory management system having a linked list processor |
January 9, 2007 |
| A memory management system adapted to process linked list data files. The system has a plurality of low storage capacity high speed memories and a lower speed high storage capacity bulk memory. An access flow regulator generates requests for the reading and writing of linked list files b |
| 7162271 |
Band pass filter and method of filtering for a base station in a wireless communication system |
January 9, 2007 |
| The band pass filter includes at least first and second band pass filters. A selector receives at least one signal, and supplies the signal to one of the first and second band pass filters. A controller controls the selector based on a frequency of the signal. |
| 7162158 |
Interconnecting processing units of a stored program controlled system using space division mult |
January 9, 2007 |
| Internal communication signals in a stored program controlled system comprising a plurality of units configured to process signals are provided by an optical beam line which is proximal to all of the plurality of units. The system of this invention uses Space Division Multiplexing te |
| 7161980 |
Receiver for high rate digital communication system |
January 9, 2007 |
| A system and method for processing received transmission signal(s) adapted to be used in high rate communication systems without impairing the received signal energy and without additional expensive components. The system and method are adapted to transmission system(s) having at the |
| 7161964 |
Reconfigurable ADD/DROP, multiplexer/demultiplexer using a transceiver with loop-back function |
January 9, 2007 |
| A reconfigurable ADD/DROP multiplexer/demultiplexer apparatus is implemented by connecting a multiplexer/demultiplexer apparatus to a serializer/deserializer (SERDES) apparatus having a loop-back capability. By selectively activating the loop-back functionality of the SERDES apparatu |
| 7161956 |
Adapative quality control loop for link rate adaptation in data packet communications |
January 9, 2007 |
| An adaptive quality control loop for link rate adaptation that adaptively selects optimal channel condition thresholds in real-time without measuring all the factors that affect selecting channel condition thresholds. The adaptive quality control loop involves adjusting the channel c |
| 7161912 |
Multi-carrier/multi-sector channel pooling in a wireless communication system base station |
January 9, 2007 |
| A wireless communication system base station includes a number of channel unit boards, each including multiple channel elements for providing processing operations for signals assigned to multiple carriers of the system. A given channel unit board includes a multiplexer which is oper |
| 7161734 |
Method and apparatus for controlling power transients in an optical communication system |
January 9, 2007 |
| A method and apparatus for controlling transients in an optical signal propagating along an optical fiber path interconnecting a plurality of network elements employs a power threshold to determine an appropriate response given a change in optical signal power. |
| 7161425 |
Radio frequency power amplifier for lossless power combining |
January 9, 2007 |
| An amplifier device (40) includes at least one amplifier (42) having an output. A plurality of conductors (48, 50, 52) are coupled to the output in parallel with each other. The plurality of conductors (48, 50, 52) each has an electrical length that corresponds to a quarter wavelength of |
| 7160754 |
P-type OFET with fluorinated channels |
January 9, 2007 |
| The present invention provides an organic field-effect transistor (OFET) and a method of fabricating the OFET. The OFET, configured to function as a p-type semiconductor, includes a substrate having a top surface and a semiconductor layer located over the top surface. The semiconductor l |
| 7159062 |
Electronic shelf unit with management function performed by a common shelf card with the assista |
January 2, 2007 |
| An electronic shelf includes a plurality of system circuit boards including a first system circuit board containing a first central processing unit (CPU) providing decision-making intelligence for end-user services supported by the first system circuit board. An auxiliary circuit boa |
| 7159049 |
Memory management system including on access flow regulator for a data processing system |
January 2, 2007 |
| A memory management system adapted to process large data files. The system has a plurality of low storage capacity high speed memories and a lower speed high storage capacity bulk memory. An access flow regulator generates requests for the reading and writing of data files by the mem |
| 7158804 |
Uplink scheduling for wireless networks |
January 2, 2007 |
| Mobiles are sorted by using a first metric and one or more of the sorted mobiles are selected. A second metric is determined using the selected sorted mobiles, and mobiles are selected to transmit during a time period based on the second metric. Multiple embodiments are disclosed using |
| 7158798 |
Location-based ad-hoc game services |
January 2, 2007 |
| A method is provided for administering a game over a wireless telecommunications network (30) serving a number of mobile terminals (20). The wireless telecommunications network (30) includes a number of base stations (32) providing wireless communication coverage for corresponding ge |
| 7158693 |
Molecular detection using an optical waveguide fixed to a cantilever |
January 2, 2007 |
| The invention relates to devices and methods for detecting a ligand in a liquid, based on deflection of one or more microscopic cantilevers. Each cantilever has an optical waveguide fixed thereto or integral therewith. Deflection of the cantilever is detected by assessing coupling of lig |
| 7158552 |
Low relative intensity noise fiber grating type laser diode |
January 2, 2007 |
| The dependency of intensity noise is used to determine the wavelength difference between a laser diode gain peak and a reflection peak of a fiber grating in a fiber grating type laser diode. Monitoring and determining the relative noise intensity of such a laser enables the control o |
