Interrelationship of the Physical Layer with Other Layers of the OSI Model

The Hadamard Transform, how binary arithmetic achieves sensitivity, selectivity and stability, coding distance and bandwidth gain, Walsh Codes used in IS95 CDMA/1EX EV, OVSF Codes in W‐CDMA, CDMA/OFDM hybrids, the WiFi PHY and MAC relationship, contention algorithms, LTE scheduling gain, LTE QOE and compression MOS and QOS, the cost of store and forward (SMS QOS) and buffering