![]() ![]() ![]() Some works in the scientific literature studied a single or a set of problems related to RFID performance, mostly focused on a specific communication layer: antennas and hardware design, interferences at physical layer, medium access control (MAC) protocols, security issues, or middleware challenges. In practice, its massive and global implementation is still being delayed due to the high quantity of factors that degrade the RFID system performance in these scenarios, causing uncontrolled items and identification losses and, at the end, economical losses. In theory, RFID in supermarkets shows several advantages compared with traditional barcode systems, offering realātime inventory, stock control, cash queues, among others. ![]() ![]() Supermarkets are one of those scenarios where the RFID potential can be harnessed. Radio frequency identification technology (RFID) is considered as the reference technology for wireless identification and item traceability. ![]()
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