اختبار رياضيات - أمجاد الكويت التعليمي

السؤال 1 1 درجة

Which method is employed to handle the non-convex unit-modulus constraint in updating the RIS coefficients?

أNewton's Method

بGradient Descent

جConjugate Gradient

دMajorization-Minimization (MM) and Alternating Direction Method of Multipliers (ADMM)

السؤال 2 1 درجة

What does ISAC stand for in the context of this paper?

أIntegrated Sensing and Communication

بIntelligent Sensing and Computation

جInterconnected Systems and Control

دInformation Systems and Communication

السؤال 3 1 درجة

What is the impact of increasing the number of RIS elements (N) on the performance of CRB-constrained schemes compared to detection scenarios?

أLarger performance gains for detection scenarios.

بEqual performance gains for both schemes.

جLarger performance gains for CRB-constrained schemes.

دNo significant impact on either scheme.

السؤال 4 1 درجة

The paper focuses on minimizing the sum-rate while maximizing the radar SNR and minimizing the CRB.

✓صح

✗خطأ

السؤال 5 1 درجة

What are the two primary performance metrics considered for sensing in this paper?

أLatency and Packet Loss Rate

بSignal-to-Noise Ratio (SNR) and Cramér-Rao Bound (CRB)

جBit Error Rate (BER) and Throughput

دEnergy Efficiency and Spectral Efficiency

السؤال 6 1 درجة

In the system model, what type of communication is considered between the BS and users?

أSingle-user multi-input multi-output (SU-MIMO)

بSingle-user single-input single-output (SU-SISO)

جMulti-user multi-input multi-output (MU-MIMO)

دMulti-user multi-input single-output (MU-MISO)

السؤال 7 1 درجة

RIS technology helps in establishing only line-of-sight (LoS) links and cannot shape the propagation environment.

✓صح

✗خطأ

السؤال 8 1 درجة

What mathematical technique is used to transform the objective function in the SNR-constrained design?

أLinear Programming

بDynamic Programming

جFractional Programming

دQuadratic Programming

السؤال 9 1 درجة

The algorithms presented in the paper are not extended to scenarios with imperfect self-interference cancellation.

✓صح

✗خطأ

السؤال 10 1 درجة

The simulation results demonstrate that the proposed joint designs underperform compared to benchmark schemes where radar and communication beamformers are optimized separately.

✓صح

✗خطأ