(40098) Inoreader - An Efficient Spectrum Sharing Strategy for Radar and Communication With Space-Time Design

(40098) Inoreader - An Efficient Spectrum Sharing Strategy for Radar and Communication With Space-Time Design:

J. Qian, Y. Lu, W. Wen and S. Wang, "An Efficient Spectrum Sharing Strategy for Radar and Communication With Space-Time Design," in IEEE Transactions on Circuits and Systems II: Express Briefs, vol. 69, no. 11, pp. 4626-4630, Nov. 2022, doi: 10.1109/TCSII.2022.3194412.

Abstract: This brief considers an efficient spectrum sharing strategy for radar and communication with space-time design, in which the performances of radar and communication systems are simultaneously optimized, under the radar constant modulus constraint and communication energy constraint. The degrees of freedom under the designer’s control are the spatial-temporal transmit waveform and receive filter for radar, as well as the communication system spatial-temporal codebook matrix. For the designed non-convex optimization, an alternating procedure based on majorization-minimization (MM) framework, minimum variance distortionless response (MVDR) and alternating direction method of multipliers (ADMM) is derived for the triplet variables design. Finally, thorough numerical results show the merits of the proposed schemes.

URL: https://ieeexplore.ieee.org/stamp/stamp.jsp?tp=&arnumber=9843877&isnumber=9931138

Decentralized swarms of unmanned aerial vehicles for search and rescue operations without explicit communication | SpringerLink

Decentralized swarms of unmanned aerial vehicles for search and rescue operations without explicit communication | SpringerLink

Horyna, J., Baca, T., Walter, V. et al. Decentralized swarms of unmanned aerial vehicles for search and rescue operations without explicit communication. Auton Robot (2022). https://doi.org/10.1007/s10514-022-10066-5

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• Received15 January 2022

• Accepted23 September 2022

• Published21 October 2022

• DOIhttps://doi.org/10.1007/s10514-022-10066-5

 

TRCS : Air Traffic Control : Air Trafic Control and Airport System :Solutions & Services | NEC: Air Traffic Control| NEC

 Multi-band-multifunction-tactical-radar-system-(mb-mtrs) ID: FA8730-23-9-RFI1 

The MB-MTRS must be highly configurable and capable of performing the following mission functions:

• ATC surveillance enabling aircraft identification, separation, and sequencing in a terminal environment in both instrument flight and visual flight rule (IFR/VFR) operations
• Final approach course precision approach guidance providing high accuracy navigational guidance in azimuth and elevation
• Battle Management Command and Control (BMC2) surveillance enabling the detection, identification, classification, and tracking of hostile undeclared manned and unmanned aircraft
• Counter-small Unmanned Aircraft Systems (C-sUAS) surveillance enabling the detection of Group 1 (0-20 lbs.) and Group 2 (21-55 lbs.) sUAS in flight
• Weather sensing providing real time Doppler weather information including reflectivity, radial velocity, and spectrum width.

 

TRCS : Air Traffic Control : Air Trafic Control and Airport System :Solutions & Services | NEC: Air Traffic Control| NEC