Centennial, CO, United States
Centennial, CO, United States

Time filter

Source Type

Patent
SEAKR Engineering, Inc. | Date: 2016-09-12

An integrated analog to digital converting and digital to analog converting (ADDA) RF transceiver for satellite applications, configured to replace conventional analog RF down and up conversion circuitry. The ADDA RF transceiver includes one of more ADCs, DSPs, and DACs, all on a single ASIC. Further, the circuitry is to be radiation tolerant for high availability and reliability in the ionizing radiation environment present in the space environment.


Patent
SEAKR Engineering, Inc. | Date: 2016-11-14

An integrated analog to digital converting and digital to analog converting (ADDA) RF transceiver for satellite applications, configured to replace conventional analog RF down and up conversion circuitry. The ADDA RF transceiver includes one of more ADCs, DSPs, and DACs, all on a single ASIC. Further, the circuity is to be radiation tolerant for high availability and reliability in the ionizing radiation environment present in the space environment.


Patent
SEAKR Engineering, Inc. | Date: 2016-06-09

A hybrid system of satellite-based beamforming that includes digitally beamforming in one axis and physically beamforming in an orthogonal axis. Based on the orientation of the satellite, the digital beamforming axis may be the in-track axis, the cross-track axis, or anywhere in between those two axes. In the digitally beamformed axis, the beam pattern can be steered to different positions along the axis and it can be compressed or expanded, as desired.


Patent
SEAKR Engineering, Inc. | Date: 2014-08-08

A system for dissipating thermal energy from an enclosure includes a gusset having a base engagement face and an enclosure engagement face that may be removably coupled with the enclosure. In some embodiments, a heat pipe extends along a gusset frame between portions of the base engagement face and the enclosure engagement face. The heat pipe is angularly shaped in various embodiments and is thermally coupled with the base engagement face and the enclosure engagement face. In some embodiments, the heat pipe is coupled within a heat pipe channel that extends along a length of the gusset.


Grant
Agency: Department of Defense | Branch: Air Force | Program: SBIR | Phase: Phase I | Award Amount: 143.07K | Year: 2013

ABSTRACT: Digital beamforming is a key to maximum bandwidth utilization and flexibility for communication satellites. Adaptive beamforming further enhances this flexibility by more effectively removing interferers in the spatial domain. However, adaptive beamforming doesn't account for frequency differences in interferers, and may be difficult to implement for varying beam-bandwidths. Adding channelization before the beamformer and implementing the adaptive beamformer on a subchannel level resolves these issues. By making the adaptive beamformer work on a beam-subchannel basis, the beamformer processing resources can be easily assigned to beams ranging from a few kHz of bandwidth to hundreds of MHz. Additionally, the beamformer can adapt more effectively, since interferers are optimally nulled within each subchannel. This SBIR focuses on verifying the effectiveness of adaptive beamforming on a subchannel level, using polyphase filter banks for preprocessing. The research compares this approach with a more traditional approach using Digital Down Conversion (DDC) through performance simulations. It also evaluates the feasibility of implementation on SEAKR's advanced onboard processing hardware systems. Advanced processing systems, rapid signal processing design methodology, channelizer development experience, and knowledge of adaptive beamforming algorithms and implementations make SEAKR an ideal choice for performing this work. BENEFIT: Benefits of this research include improved bandwidth utilization and flexibility for communication satellites, improved response to atmospheric effects, and reduction of interference in the spatial domain. Additionally, the techniques proposed here enable practical implementation of sophisticated, high performance adaptive beamforming on existing onboard processing hardware. Commercialization opportunities are many, and include the WGS mission, the space platforms used by Intelsat and Inmarsat, among others. Commercial satellites have used RF beamforming for many years, and are beginning to move to more flexible beamforming approaches, as the desire for better bandwidth reuse drives system performance and flexibility.


Grant
Agency: Department of Defense | Branch: Air Force | Program: SBIR | Phase: Phase II | Award Amount: 710.32K | Year: 2016

The SEAKR team proposes to continue development of the advanced protocol routing system begun in the Phase I effort, to reduce risk toward a flight deployable system for SATCOM assets such as Iridium NEXT. SEAKRs development of the Iridium NEXT modem...


Patent
SEAKR Engineering, Inc. | Date: 2013-03-15

Methods, systems, and devices for configuration and upset recovery of reconfigurable devices are provided. A central program/recovery manager (CPRM) is coupled with each of a number of reconfigurable devices. The reconfigurable devices are programmed/configured by the CPRM, which then periodically monitors each of the reconfigurable devices to detect if one or more of the devices has experiences an upset. In the event of an upset, the CPRM may attempt to reset the reconfigurable device, scrub a memory of the reconfigurable device, or reprogram the reconfigurable device. A memory module is coupled with the CPRM and each of the reconfigurable devices that stores bit or programming files that may be used to program and/or reprogram the reconfigurable devices.


Patent
SEAKR Engineering, Inc. | Date: 2015-08-17

An integrated analog to digital converting and digital to analog converting (ADDA) RF transceiver for satellite applications, configured to replace conventional analog RF down and up conversion circuitry. The ADDA RF transceiver includes one of more ADCs, DSPs, and DACs, all on a single ASIC. Further, the circuitry is to be radiation tolerant for high availability and reliability in the ionizing radiation environment present in the space environment.


Patent
SEAKR Engineering, Inc. | Date: 2015-07-29

Light-weight, configurable error detection in a satellite communication system that detects invalid SerDes lanes via hash codes appended to packets of data in the lanes. An indication can be passed back upstream about the invalid lane so that the lane can be reset. Error correction can be provided by reconstructing the bit data in the invalid SerDes lane based on parity information in an optional parity lane.


Error correction and detection may be performed across multiple dimensions of memory storage, such as across two or more complete memory devices, as well as within individual pages of memory within a single memory device. Error correction and detection performed across two or more complete memory devices may mitigate single event functional interrupts that affect a complete memory device. Error detection and correction performed within individual pages of memory may be used to mitigate single event upset induced single and multiple bit flips within a page of a memory device. A parallel or serial block code, such as a parallel or serial block Reed-Solomon code or any other type of error correcting code, may be used for error correction and detection performed across two or more complete memory devices or within individual pages of memory within a single memory device.

Loading SEAKR Engineering, Inc. collaborators
Loading SEAKR Engineering, Inc. collaborators