Abstract: A method for remotely and dynamically controlling adjacent satellite interference comprising monitoring one or more off-axis signals emitted by one or more remote transmitters; determining whether one or more of the off-axis signals is creating adjacent satellite interference (ASI), off axis emissions and inband interference that is higher than a predetermined level of acceptable interference, and transmitting a control signal to at least one of the one or more remote transmitters in response to the determination that the one or more off-axis signals is creating interference that is higher than the predetermined level of acceptable interference, the control signal initiating an adjustment to one or more transmission parameters of the one or more remote transmitters such that interference resulting from the one or more off-axis signals emitted by the one or more remote transmitters is reduced or eliminated.

Abstract: A method and system for detecting matching strings in a string of characters utilizing content addressable memory using primary and secondary matches is disclosed.

Abstract: A communication method for embedding a meta-carrier under an original carrier signal with reduced or minimal original carrier signal degradation, the method comprising transmitting an original carrier signal and transmitting a meta-carrier signal separate from the original carrier signal, wherein the meta-carrier signal contains information about an original carrier signal, is extractable under an interfered condition, and is transmitted such that the meta-carrier signal occupies at least a portion of a bandwidth of the original carrier signal.

Abstract: A method of reducing signal correlation in a symmetrical adaptive canceller link comprising spectrally inverting one of a first carrier signal and a second carrier signal by causing a spectral inversion of one of the first and second carrier signals using a modulator, transmitting the first and second carrier signals within a bandwidth to a remote receiver using a transmitting device such that a composite carrier signal results, and cancelling at least one of the first carrier signal from the composite carrier signal using a cancellation technique such that the second carrier signal results on one end of the link and the second carrier signal from the composite carrier signal using a cancellation technique such that the first carrier signal results on the opposite end of the link.

Abstract: A method and system for detecting matching strings in a string of characters utilizing content addressable memory is disclosed.

Abstract: A method for encrypting an information carrier comprising generating a sequence of data using a sequence generator, modulating, using a first modulator an output from the sequence generator such that an interference signal results, encoding the interference generator's synchronization information using an encoder, modulating, using a second modulator, the encoded synchronization information such that a synchronization carrier signal results, spreading the synchronization carrier signal using a spreader such that a spread sub-carrier synchronization signal results, and combining the modulated information carrier signal, interference signal, and spread sub-carrier synchronization signal using a signal combiner such that a composite signal results, the interference signal having one or more signal characteristics that results in obfuscation of the information carrier signal when the information carrier signal and interference signal are combined.

Abstract: A method of combining a GPS carrier signal and a communication carrier signal over a common coaxial connection, the method comprising receiving a GPS carrier signal into a signal system using an antenna, which system is configured to receive a non-GPS communication carrier signal from a communication system, processing the GPS carrier signal with the signal communication system to produce a modified GPS carrier signal, the processing comprising at least: filtering the modified GPS carrier signal using a filter, and amplifying the GPS carrier signal using an amplifier; filtering, using a filter, and power combining using a power combiner, the GPS carrier signal and the non-GPS communication carrier signal, and transmitting, using a single coaxial cable, the combined GPS carrier and non-GPS communication carrier signals to a communication device.

Abstract: A redundancy system for a co-channel telecommunication system and related methods. Implementations of the redundancy system may include at least a first modulator and a second modulator having a symbol mapper coupled to a parallel bit signal. The symbol mapper may be configured to route each of a plurality of parallel bits received through the parallel bit signal to a plurality of significant bit signals. In a first implementation, a plurality of significant bit signal multiplexers may be used to switch the plurality of parallel bit signals to allow the first and second modulators to operate in either a redundant or operating mode. In a second implementation, a premapped symbol (PMSI) encoder and a PMSI decoder may be used to transmit the plurality of significant bit signals across an interface bus as a real dual-data rate (DDR) signal and an imaginary DDR signal.

Abstract: A method for generating a packet sequence for determining a Packet Error Rate (PER) using network packets, the method comprising generating, using a Local Area Network (LAN) enabled computer, a series of network PER test packets and frames, each packet comprising a predetermined unique identifier and each frame comprising a predetermined sequence for the packets in the series of network packets, wherein the series of network packets and frames are each of a size that is compliant with a predetermined framing mode and encapsulation protocol for the transmission system for determining a PER from the series of network packets and frames, and transmitting, using a transmitting device, the network packets and frames to a receiving device.

Abstract: A method of and system for distinguishing polarizations and information about the carrier signals transmitted from a repeating relay comprising encoding, using an encoder, a first data stream and a second data stream at a repeating relay, modulating, using a modulator, the first and second encoded data streams at the repeating relay, spreading, using a spreader, the first modulated data stream such that a first spread waveform results having first spreading characteristics and the second modulated data stream such that a second spread waveform results having second spreading characteristics, wherein the first spreading characteristics and the second spreading characteristics are different and differentiate the first spread waveform from the second spread waveform, and transmitting the first spread waveform as a first spread spectrum carrier signal on a first electromagnetic polarization and the second spread waveform as a second spread spectrum carrier signal on a second EM polarization.

Abstract: A method and system for analyzing an electromagnetic (EM) carrier signal that is operating outside transmission parameters by determining that an original carrier signal is operating outside one or more transmission parameters, modulating the original carrier signal and a meta-carrier signal, the meta-carrier signal comprising meta-data that identifies a transmission source, such that a modulated composite carrier signal results, and transmitting the composite carrier signal to a remote receiving device.

Abstract: A signal filtering system for a frequency reuse system. A first implementation may include a downlink baseband signal, coupled to a downlink bandwidth filter, including a composite received signal including at least an interfering signal and a signal of interest, each having a composite bandwidth, a first bandwidth, and a second bandwidth, respectively. An uplink baseband signal may be included, coupled to an uplink bandwidth filter, having a replica of the interfering signal corresponding with the interfering signal and having an interference bandwidth. A baseband processing module may be coupled with the downlink bandwidth filter and the uplink bandwidth filter and may be configured to cancel the interfering signal from the composite received signal using the replica of the interfering signal. The downlink bandwidth filter may be configured to reduce the composite bandwidth and the uplink bandwidth filter may be configured to reduce the interference bandwidth.

Abstract: A method of inserting meta-data into a physical layer framing structure of a Digital Video Broadcast Satellite-Generation 2 (DVB-S2) comprising encoding meta-data and an original carrier signal using an encoder, the original carrier signal having a pilot sequence, replacing, by a meta-data insertion device, at least a portion of the pilot sequence with at least a portion of the meta-data to form a meta-pilot carrier signal, modulating, using a modulator, the meta-pilot carrier signal to form a modulated meta-pilot carrier signal, and transmitting, using a transmitting device, the modulated meta-pilot carrier signal. Additionally, the meta-data may be inserted by a meta-data insertion device into at least a portion of the XFECFRAME structure when dummy-PL Frames are available when VCM and ACM operation is used.

Abstract: A method of reducing probability of detection and interception of a sub-carrier signal comprising encoding, using an encoder, information that is to be transmitted via the sub-carrier signal, modulating, using a modulator, the encoded information such that a modulated sub-carrier signal results, spreading, using a spreader, the modulated sub-carrier signal such that a spread sub-carrier signal results, and transmitting the spread sub-carrier signal at a frequency that is dynamic relative to an original carrier signal having a static frequency.

Abstract: A remote satellite modem, in conjunction with a mediation device configuration propagates frames over a cellular backhaul link so as to preserve PRC traceability by receiving a frame based signal, in which the frame based signal conforms to a hub timing signal operable to demarcate frames in the frame based signal, and identifies a start of frame in the received frame based signal, such that the start of frame is independent of the symbol timing of the hub timing signal. In response to the start of frame, the modem generates a timing packet corresponding to a remote timing signal, and forwards the timing packet and the frame based signal, in which the timing packet is for decoding the frame based signal corresponding to the hub timing signal using the remote timing signal.

Abstract: A multi-channel demodulating system comprising an analog to digital converter (ADC) that samples an input signal and produces a digital signal, a tuning, filtering, and decimation stage coupled to the ADC and configured to select a transponder based on a frequency range of the digital signal and deliver a signal representative of the digital signal to the transponder, and a demodulator coupled to the selected transponder, a decoder, and the circuit stage, the demodulator configured to receive the representative signal from the transponder, the demodulator and decoder configured to separate and process the representative signal to produce a processed signal. The system further comprises a packet de-encapsulation module coupled to the demodulator and decoder configured to de-encapsulate packets of data contained in the processed signal, a switch coupled to the packet de-encapsulation module and a satellite router, the switch configured to transmit the packets of data to the satellite router.

Abstract: A system for generating a frequency reference signal comprising an oscillator, a direct digital synthesizer coupled to the oscillator and configured to receive a signal output from the oscillator, a digital to analog converter coupled to the direct digital synthesizer and configured to receive a sampled signal from the direct digital synthesizer and to convert the sampled signal to an analog waveform, and a bandpass filter coupled to the digital to analog converter and configured to select an aliased output signal from the digital to analog converter at a Nyquist zone other than a first Nyquist zone and to output the frequency reference signal.

Abstract: In a communications system, a computer network server (2) is arranged to communicate simultaneously with a plurality of remote computers 201 . . . 20n. A remote embedded application in the form of a vending machine (1) has a module (12) that is arranged to communicate with the computer network server (2) such that file transfer sessions are carried out between the server and the vending machine (1). The server (2) is arranged to cause call request data to be transmitted to the module (12) and the module (12) is arranged to initiate a call back to the server (2) or other designated server, in response to the call request data. The call request data is transmitted using calling line identification (CLI). The module (12) is arranged to detect the call and the CLI; to not answer the call; and to initiate a call back to the server (2) or other designated server, after having received the call with CLI.

Abstract: A system for increasing data access in a secure socket layer network environment includes a web server computer having SSL acceleration server software (SSLAS) and a client computer communicatively linked to the web server computer having SSL acceleration client software operably associated with the client computer which communicates with the SSLAS software to receive a copy of a pseudo CA certificate and a public key from the SSLAS software and present the pseudo CA certificate to web browser software on the client computer for validation thereof.

Abstract: Military systems in particular face two specific problems: field casualties typically increase as unit visibility decreases and it is often difficult for ground stations and/or headquarters to maintain control and visibility of geographically dispersed assets. The system provides satellite communications such as two-way messaging, Voice over Packet, and global positioning information and reporting for fixed and rotary wing aircrafts where traditional methods of communications are not otherwise practical. The system provides communications between remote users and other remote users as well as between remote users and control stations. In some embodiments there is an in-flight transceiver system that includes an antenna, an aviation box, and a switch. The aviation box conforms to a one-half, ½ short Air Transport Rack (ATR) form factor and includes a transceiver, an interface card, and a global positioning system (GPS) unit.