
Huawei Marine Networks Co. announced a record transmission distance of up to 648.5 km for an unrepeatered system in a laboratory test in Beijing.
The laboratory test used Huawei’s 100G technology, enhanced raman amplifier (ERPC), remote optical pump amplifier (ROPA) and ultra-low loss optical fiber. The 100G transmission combined PDM BPSK modulation, ODSP and third-generation soft decision technology.
Huawei Marine's previous record, set in April...