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What is CDMA Guard Spaces and MAC Protocols Explained about?
In CDMA systems, guard spaces between users are achieved using unique orthogonal spreading codes, allowing simultaneous transmissions to be distinguished at the receiver. Reservation TDMA provides hard guarantees for bandwidth and access delay by assigning mini-slots for data transmission, ensuring predictable performance. However, MACA can fail in mobile environments due to changing transmission characteristics, leading to hidden and exposed terminal issues despite its RTS/CTS signaling.
- Author
- Partha Das
- Language
- EN