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IJERTV9IS050741
Patch Antenna Array for RF Energy Harvesting Systems in 2.4 GHz WLAN Frequency Band

Akash Kumar Gupta, V Praveen, V Swetha Sri, CH. Nagavinay Kumar, B. Kishore

In present days, technology have been emerging with significant importance mainly in wireless local area network. In this Energy harvesting is playing a key role. The RF Energy harvesting is the collection of small amounts of ambient energy to power wireless devices, Especially, radio frequency (RF) energy has interesting key attributes that make it very attractive for low- power consumer electronics and wireless sensor networks (WSNs). Commercial RF transmitting stations like Wi-Fi, or radar signals may provide ambient RF energy. Throughout this paper, a specific emphasis is on RFEH, as a green technology that is suitable for solving power supply to WLAN node-related problems throughout difficult environments or locations that cannot be reached. For RF harvesting RF signals are extracted using antennas.in this work to extract RF energy from 2.4GHz an array of rectangular microstrip patch antenna is designed.1×8 array provides gain of 15.04dB with a bandwidth of 2% at WLAN frequencies