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| Number | Title | Issue Date |
| 8000329 | Open platform architecture for integrating multiple heterogeneous network functions A platform for seamlessly hosts a plurality of disparate types of packet processing applications. One or more applications are loaded onto a service card on the platform. A programmable path structure is included that maps a logical path for processing of the packet... | 08/16/2011 |
| 7688878 | Method and device of peak detection in preamble synchronization for direct sequence spread spectrum communication A spread-spectrum preamble synchronization peak detection system performs multiple statistical tests based on instant and time-averaged channel condition measurements to identify the synchronization peak. In a normalized peak-to-average test, a peak-to-average ratio... | 03/30/2010 |
| 7672599 | Intra-channel nonlinearity compensation for optical data communications An arrangement is described for compensating intra-channel nonlinearities in an optical communications system which combines optical dispersion compensation with electronic pre-distortion (EPD). EPD with moderate lookup table size can effectively suppress intra-chan... | 03/02/2010 |
| 7630310 | System and method for generating route target attributes A system for, and method of, generating a minimum quantity of route target attributes is described. According to a method embodiment, a minimal set of unique permutations of data flows between sites of one or more Virtual Private Network (VPNs) is computed by compar... | 12/08/2009 |
| 7623796 | Data-aided multi-symbol phase estimation for optical differential multilevel phase-shift keying signals A data-aided, multi-symbol phase estimation (MSPE) scheme is described for improving receiver sensitivity in the direct-detection of optical differential multi-level phase-shift keying (ODmPSK) signals including optical differential quadrature phase-shift keying (OD... | 11/24/2009 |
| 7570212 | Reference beacon methods and apparatus for TDOA/FDOA geolocation A method and apparatus for estimating bias errors in a time-difference-of-arrival/frequency-difference-of-arrival (TDOA/FDOA) geolocation system using a reference signal transmitter in which position and/or motion information of the reference signal transmitter is e... | 08/04/2009 |
| 7531123 | Direct manufactured self-contained parts kit A self-contained parts kit is created by forming a container around parts formed using a direct manufacturing process. The formation of the container is part of the same process by which the parts are formed. The container can be formed with one or more openings by ... | 05/12/2009 |
| 7411548 | Reference beacon identification using transmission sequence characteristics A method and apparatus for encoding information in a reference beacon signal for use in a time-difference-of-arrival/frequency-difference-of-arrival (TDOA/FDOA) geolocation system. Information is encoded in the reference beacon signal using variations in the times a... | 08/12/2008 |
