| Patent Number |
Title Of Patent |
Date Issued |
| 7206509 |
Method and apparatus for temporally shifting one or more packets using wavelength selective dela |
April 17, 2007 |
| A method and apparatus are disclosed for temporally shifting one or more packets using wavelength selective delays. The header information associated with each packet, together with a routing algorithm, routing topology information and internal OPTR state, is used to route each packe |
| 7206477 |
Optical all pass filter device having improved time-bandwidth behavior |
April 17, 2007 |
| A new filter architecture uses subband division and a reflector structure. A de-multiplexer/multiplexer combination creates N subband branches comprising dispersive elements, phase control elements, and/or delay elements. The new structure yields high spectral accuracy across the fil |
| 7206471 |
Integrated circuit having an optical core |
April 17, 2007 |
| An optoelectronic integrated circuit (OEIC) having an optical core coupled to first and second interface circuits. The first interface circuit is adapted to convert an electrical input signal into an optical signal; the optical core is adapted to process the optical signal in the optical |
| 7206326 |
Unequal error protection for packet switched networks |
April 17, 2007 |
| A method of encoding at least two sets of data bits into a single encoded block is provided, wherein each set of data bits includes a primary set of bits to be encoded and a secondary set of bits to remain unencoded, wherein the encoding technique requires a set of code terminating bits |
| 7206319 |
Fixed collision rate back off methods and systems |
April 17, 2007 |
| A system and method for data collision resolution wherein the same back-off window is sent to a plurality of remote users and is recalculated to maintain a constant collision rate and thereby increase throughput. The collision rate of the network is estimated in the present invention |
| 7206286 |
Dynamic DCH allocation methodology for packet data services in a wireless communications system |
April 17, 2007 |
| In a UMTS network, each packet data service user requires a dedicated channel (DCH) to transmit at high data rates. However, the number of DCHs available is small due to code and power limitations. Thus many users will have to be allocated the same DCH on a time sharing basis. Such s |
| 7206280 |
Method and apparatus for asynchronous incremental redundancy reception in a communication system |
April 17, 2007 |
| An ARQ method using Incremental Redundancy that can be used in either synchronous or asynchronous communication systems. Information received by receiving equipment contains a one-bit NEW/CONTINUE flag indicating whether the received information is the beginning of new information or |
| 7206117 |
Segmented MEMS mirror for adaptive optics or maskless lithography |
April 17, 2007 |
| An apparatus having a plurality of arrayed MEMS devices, each device having a parallel-plate actuator and a reflective plate, both of which are mechanically coupled to a flexible beam attached between two anchors. Advantageously, the use of parallel-plate actuators in the apparatus a |
| 7206069 |
Optical analyzers of polarization properties |
April 17, 2007 |
| A passive optical system substantially simultaneously separates light received at an optical input into three or more output light beams on optical outputs. The output light beams may have intensities that are proportional to intensities of optical projections of the received light o |
| 7204298 |
Techniques for microchannel cooling |
April 17, 2007 |
| Techniques for heat transfer are provided. In one aspect of the invention, a heat-transfer device is provided. The heat-transfer device comprises one or more microchannels suitable for containing a heat-transfer fluid, one or more of the microchannels having protruding structures on at l |
| 7203693 |
Instantly indexed databases for multimedia content analysis and retrieval |
April 10, 2007 |
| Techniques for indexing multimedia data substantially concurrently or contemporaneously with its capture to convert a real world event into an accessible database in real time are provided. The present invention introduces a new paradigm of converting a real world event in real time |
| 7203496 |
Storing query results to reduce number portability queries in wireless network |
April 10, 2007 |
| A telecommunication system includes: a first mobile switching center associated with a directory number, a local number portability data storage device in communication with the first mobile switching center, and a second mobile switching center in operative communication with the fi |
| 7203478 |
Network support for mobile service plan minute exchange by category |
April 10, 2007 |
| One embodiment of the present method is for allowing a mobile subscriber to negotiate via a mobile terminal a trade of minutes by category according to a predetermined exchange rate as set forth by a service provider. In this embodiment the method may have the steps of: providing a p |
| 7203400 |
Dispersion compensating waveguide circuit |
April 10, 2007 |
| A dispersion compensator having relatively uniform transmission characteristics over the bandwidth of a communication channel. The compensator is designed to process an optical signal corresponding to the communication channel by decomposing that signal into spectral components, rout |
| 7203289 |
Method and system for detecting an atypical occurrence within a telecommunications network |
April 10, 2007 |
| A method for detecting an atypical occurrence, such as a public health crisis, within a given region in a telecommunications network. The method includes assigning a given weight to each of a plurality of destination addresses within the region according to a weighting system, collecting |
| 7203185 |
Method and apparatus for providing bifurcated transport of signaling and informational voice tra |
April 10, 2007 |
| A method and apparatus for providing bifurcated voice and signaling traffic over a cable telephony architecture by segregating signaling traffic and voice traffic and transmitting the respective traffic over two different mediums to a controller to establish a phone call. |
| 7203162 |
Link state retransmission mechanism |
April 10, 2007 |
| The present invention enhances reliable flooding of link state advertisements (LSAs) using retransmission. In accordance with the present invention, a technique is disclosed to make a retransmission timer more responsive to dynamic network conditions. This technique varies the retran |
| 7202995 |
Method and apparatus for communicating status in a lightwave communication system employing opti |
April 10, 2007 |
| A repeater node for an optical transmission system provides amplification of optical signals and uses a modulated pump signal to transfer status information about the repeater node to a control system via an optical supervisory signal. The pump signal supplied by a pump source to an |
| 7200798 |
Unified serial/parallel concatenated convolutional code decoder architecture and method |
April 3, 2007 |
| A turbo decoder having two modes of operation decodes received information as per an N-state Radix-K trellis where N and K are integers equal to 1 or greater. The turbo decoder uses an in-line addressing technique that allows it to operate as a Serial Convolutional Code decoder in the fi |
| 7200750 |
Method for distributing encryption keys for an overlay data network |
April 3, 2007 |
| A first communication network is used to securely communicate a key that is used for communications over a different network. In one embodiment, a CDMA network is used to securely communicate a key that is used for communications in a data network. The key used in the data network may be |
| 7200670 |
MPEG flow identification for IP networks |
April 3, 2007 |
| The payloads of IP packets are checked to actually determine if a packet contains MPEG-2 video rather than using predefined streams or priority levels that are assumed to contain such information as is done in the prior art. More specifically, the "sync" bytes of the MPEG-2 stream are |
| 7200631 |
Method and apparatus for determining an inverse square root of a given positive-definite hermiti |
April 3, 2007 |
| Generally, a method and apparatus are provided for computing a matrix inverse square root of a given positive-definite Hermitian matrix, K. The disclosed technique for computing an inverse square root of a matrix may be implemented, for example, by the noise whitener of a MIMO receiver. |
| 7200408 |
Selective blocking in a communication network |
April 3, 2007 |
| A selective blocking request is sent from a requesting network element to an SCF (system control function component), where the request identifies a targeted network element. The SCF may then block communications from the targeted network element to the requesting network element, or it |
| 7200331 |
Wavelength routing on an optical metro network subtended off an agile core optical network |
April 3, 2007 |
| The is directed to extending wavelength routing on a metro network subtended off an optical agile network. Flexibility on the subtended metro network is obtained by either tuning the head-end transmitter on a metro wavelength that is the operating wavelength of the route to a specifi |
| 7200299 |
Adding and dropping wavelength-channels |
April 3, 2007 |
| In a first aspect, an apparatus includes a substrate having a planar surface, an optical demultiplexer located along the surface, and an optical cross-connect matrix located along the surface. The optical demultiplexer has N optical outputs. The optical cross-connect matrix has a fir |
| 7200159 |
Method and apparatus for temperature stabilization of a wavelength of a laser |
April 3, 2007 |
| A method and apparatus for temperature stabilization of a wavelength of a laser compensate for thermal instability of a internal etalon of the wavelength using the results of measuring the wavelength with an external wavelength meter. |
| 7200157 |
Detection and compensation of ingressing frame offset discontinuities for tandem connection trai |
April 3, 2007 |
| A method and system are provided for the detection and compensation of frame offset discontinuities for tandem connection trails in general and especially to frame offset discontinuities occurring at the entrance of a network element in a Synchronous Digital Hierarchy (SDH) and Synchrono |
| 7200115 |
Method of managing non-acknowledgement responses |
April 3, 2007 |
| In the method, a receiver receives an indication of if the maximum number of sub-packet transmissions for conveying a data packet from a transmitter to the receiver has taken place. If the receiver has not properly received the data packet over a channel when this indication is recei |
| 7197546 |
Inter-domain network management system for multi-layer networks |
March 27, 2007 |
| A network management system for a multi-layer network having multiple architectural or technological domains includes an inter-domain configuration manager arranged between a set of one or more network service management applications and a set of network element domain managers, each |
| 7197526 |
Method and apparatus for calculating the remainder of a modulo division |
March 27, 2007 |
| A non-iterative technique for calculating the remainder of modulo division, which requires significantly fewer operations than the traditional iterative technique for the same calculation. The number of calculations required in the present invention is independent of the number of bi |
| 7197342 |
Radio telecommunications network, user equipment and method of operation |
March 27, 2007 |
| Battery operated user equipment is disclosed for use in a radio telecommunications network, including means for monitoring the state of charge of the battery and means for communicating state of charge data to a base station during call set up.The battery data can be used to inform a |
| 7197310 |
Methods and systems for controlling handoffs in a wireless communication system |
March 27, 2007 |
| Techniques for controlling handoffs in a wireless communication system include receiving a location vector from a mobile unit, and determining whether to perform a handoff of the mobile unit based on the received vector. The vector may also include time information related to the time |
| 7197226 |
Polymeric compositions comprising quantum dots, optical devices comprising these compositions an |
March 27, 2007 |
| The present invention relates to a polymeric composition of matter. The composition includes at least one polymer matrix and plurality of quantum dots distributed therein. The polymer may be a perfluorocyclobutane polymer having high optical transmission at telecommunications wavelen |
| 7197086 |
Wide-bandwidth, high-dynamic-range linear amplifier for a CDMA transmitter in a wireless base st |
March 27, 2007 |
| A CDMA base station transmitter employing the Kahn envelope-elimination-and-restoration technique includes a switching amplifier adapted to linearly amplify the low-level baseband signal derived from the digital amplitude information portion of the digital CDMA signal to be transmitt |
| 7197082 |
Linear transformation of symbols to at least partially compensate for correlation between antenn |
March 27, 2007 |
| A method is provided of transmitting signals from two or more antennas in a wireless telecommunications network, in which at least one data sequence is space-time block encoded. Before transmitting the data sequence, a linear transformation is applied to the data sequence, the linear |
| 7197040 |
System and method for optimally configuring border gateway selection for transit traffic flows i |
March 27, 2007 |
| A system for, and method of, configuring border gateway selection for transit traffic flows in a computer network. In one embodiment, the system includes: (1) a border gateway modeler that builds a model of cooperating border gateways, the model including capacities of the border gat |
| 7197025 |
Method for paging a device in a wireless network |
March 27, 2007 |
| A method for access control in a wireless network having a base station and a plurality of remote hosts includes the optional abilities of making dynamic adjustments of the uplink/downlink transmission ratio, making dynamic adjustments of the total number of reservation minislots, and |
| 7197024 |
Telecommunications system having layered protocol with delimiter of payload |
March 27, 2007 |
| A telecommunications system can include a network device with a layered protocol architecture for allowing transfer of upper layer Protocol Data Units using a shared medium. A data block includes a plurality of Protocol Data Units and a data block header, which includes a delimiter a |
| 7196578 |
Amplifier memory effect compensator |
March 27, 2007 |
| An input signal is modified to compensate for amplifier memory effects by combining at least two versions of the input signal, each version of the input signal being offset in time with respect to one another. More specifically, an RF input signal is split into at least two split sig |
| 7194286 |
Method for optimizing the transmit signal in multiple antenna wireless links |
March 20, 2007 |
| In the method, spatial steering of parallel symbol streams and a transmit power of each symbol stream is determined based on a statistical distribution of a channel. The determined spatial steering and transmit powers may then be applied by a transmitter to optimize the transmit sign |
| 7194276 |
Methods and devices for grouping cells |
March 20, 2007 |
| Rounded solutions of a linear program are used to partition or group cells, such as cells in a wireless network, in order to provide efficient approximations of network updating and paging costs. |
| 7194273 |
Location based service restrictions for mobile applications |
March 20, 2007 |
| A cell phone system that controls the functionality of cell phones based upon their geographical locations. Functionality information stored in data bases located at and unique to each location. A local or low power transmitter at each location transmits functionality information from th |
| 7194271 |
Allocation of channels to wireless LANs |
March 20, 2007 |
| Channels are allocated to one or more cells within a wireless LAN (WLAN) without causing unacceptable interference. The allocation involves dividing an allocation time period into frames, each frame having a substantially short duration, and then allocating one or more channels to on |
| 7194207 |
Wide-sense wavelength division multiplexed (WDM) cross-connect device |
March 20, 2007 |
| The present invention provides a wide-sense, non-blocking WDM cross-connect that utilizes a relatively small number of wavelength interchangers. The cross-connect of the present invention comprises first, second and third fabrics and one or more wavelength interchangers that intercon |
| 7194043 |
System and method for predistorting a signal to reduce out-of-band error |
March 20, 2007 |
| A predistortion system uses spectral regrowth filtering in a feedback path thereof to reduce out-of-band error. An illustrative embodiment of the system includes a predistortion circuit which generates a predistorted signal, one or more signal processing elements configured to process th |
| 7194020 |
Method and apparatus for dynamically adjusting acquisition search window |
March 20, 2007 |
| A method for detecting packet data transmission following an inactive period of a transmitter. The method includes using a dynamic acquisition search window which grows from an initial width (determined by the size of the corresponding standard search window prior to entering the ina |
| 7193981 |
Method of processing soft handoff information at a base station |
March 20, 2007 |
| In the method of processing soft handoff information at a base station, soft handoff information of a mobile station is received at the base station. The soft handoff information indicates at least a number of base stations in an active list of the mobile station. The active list is a |
| 7193492 |
Monolithic MEMS device having a balanced cantilever plate |
March 20, 2007 |
| A MEMS device fabricated from a single multi-layered wafer, which alleviates the alignment problem associated with a two-piece prior-art design. In one embodiment, the MEMS device has a stationary part and a movable part rotatably coupled to the stationary part. The stationary part h |
| 7191389 |
Video signal error detection systems |
March 13, 2007 |
| Mobile phones now transmit video signals at relatively slow bit rates. The signals transmitted are compressed using inter-frame prediction where sufficient similarity exists between successive picture frames. The receiver includes a decoder which reconstitutes the compressed signals |
| 7190902 |
Wavelength exerciser |
March 13, 2007 |
| A wavelength exerciser is used for evaluating connections in an agile network. The exerciser operates at some or all switching nodes of the network, by first detecting the paths available between the respective node and all remaining nodes. For each available path, the exerciser sele |
