Abstract
In this letter, we analyze smart devices' performance in smart cities using radio frequency (RF) based energy harvesting. In a smart city, smart electronics devices play an important role in communication between the devices and centralized access point (AP). Here, we have considered dynamic space shift keying (SSK) and binary phase-shift keying (BPSK) modulation for communication. A single radio frequency (RF) chain of the transmitter dynamically changes the modulation scheme between SSK and BPSK. Based on one-bit feedback from the receiver antenna, the modulation scheme is selected, and this feedback path can be used for energy harvesting. Using multi-user selection combining, the average bit error probability (ABEP) performance of smart devices with wireless power communication network (WPCN) is derived in closed form over Saleh-Valenzuela (S-V) channel.
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