Active and Passive IRS Jointly Aided Communication: Deployment Design and Achievable Rate
نویسندگان
چکیده
In this letter, we study the wireless point-to-point communication from a transmitter (Tx) to receiver (Rx), which is jointly aided by an active intelligent reflecting surface (AIRS) and passive IRS (PIRS). We consider two practical transmission schemes deploying IRSs in different orders, namely, Tx $\rightarrow $ PIRS AIRS Rx (TPAR) (TAPR). Assuming line-of-sight channels, derive achievable rates for optimizing placement of with location fixed. Our analysis shows that when number elements and/or amplification power small, should be deployed closer both schemes, TAPR outperforms TPAR their respective optimized AIRS/PIRS placement. Simulation results validate our show considerable performance gain achieved deployment over existing benchmarks under same element budgets.
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ژورنال
عنوان ژورنال: IEEE Wireless Communications Letters
سال: 2023
ISSN: ['2162-2337', '2162-2345']
DOI: https://doi.org/10.1109/lwc.2022.3224457