
NEC introduced its new trunk microwave communications systems, the 5000iP Series, featuring 1.6 times the transmission capacity of existing 5000S systems -- equating to as much as 4 Gbps.
To achieve the capacity boost, the system leverages a Cross Polarization Interference Canceller (XPIC. The new system also automatically changes the modulation method and the transmission rate in response to wireless link quality as well as optimizes transmission...