Edimax EW-7303APn v2 Guida di Installazione Scaricare il pdf (Pagina 70)

. A GI is a period of time between symbol transmission that allows reflections (from multipath) from

the

previous data transmission to settle before transmitting a new symbol. The 802.11n draft specifies two

guard intervals: 400ns (short) and 800ns (long). Support of the 400ns GI is optional for transmit and

receive. The purpose of a guard interval is to introduce immunity to propagation delays, echoes, and

reflections to which digital data is normally very sensitive.

1 2 ... 65 66 67 68 69 70 71

Nessun commento

Edimax EW-7303APn v2 Guida di Installazione Pagina 70