Optics

Physics

Modulation (music)

Channel (broadcasting)

Engineering

Power (physics)

Beam (structure)

Electronic engineering

Acoustics

Modulation index

Quadrature amplitude modulation

Computer science

Extremely high frequency

Transmitter

Wireless

Bit error rate

Quantum mechanics

Telecommunications

Pulse-width modulation

Detector

IEEE Transactions on Wireless Communications

Millimeter wave communication is eminently suitable for high-rate wireless systems, which may be beneficially amalgamated with intelligent reflecting surfaces (IRS), while relying on beam-index modulation. Explicitly, we propose three different architectures based on IRSs for beam-index modulation in millimeter wave communication. Our schemes are capable of eliminating the detrimental line-of-sight blockage of millimeter wave frequencies.The schemes are termed as single-symbol beam index modulation, multi-symbol beam-index modulation and maximum-SNR single-symbol beam index modulation. The principle behind these is to embed the information both in classic QAM/PSK symbols and in the transmitter beam-pattern. Explicitly, we proposed to use a twin-IRS structure to construct a low-cost beam-index modulation scheme. We conceive both the optimal maximum likelihood detector and a low-complexity compressed sensing detector for the proposed schemes. Finally, the schemes designed are evaluated through extensive simulations and the results are compared to our analytical bounds.

Intelligent Reflecting Surface Assisted Beam Index-Modulation for Millimeter Wave Communication