BACKGROUND Conventional approaches to microwave backhaul networks can be
inefficient and suffer from poor performance. Further limitations and disadvantages of …

BACKGROUND Local oscillator frequency offset (LOFO) is a frequency offset between a
received data carrier and a local oscillator. For lasers used in coherent optical …

In an optical communication system having flexible transceivers, a transmitter section of one
of the flexible transceivers generates a modulated pilot signal whose amplitude or phase or …

Systems and methods for applying a pilot tone to multiple spectral bands are provided. An
initial signal is divided into multiple spectral bands. A pilot tone is applied to each of the …

Provided is an optical communication system capable of suppressing the deterioration of an
intensity waveform of an optical intensity modulated signal subjected to transforma tion …

(57) ABSTRACT A first microwave backhaul transceiver may comprise a reflector and a
signal processing Subassembly. The signal processing Subassembly may comprise a …

A microwave transceiver comprises a plurality of antenna arrays, each of which is oriented in
a different direction, and circuitry operable to automatically select which of the antenna …

Methods of reducing phase noise in a received signal include identifying a pilot component
in the received signal and determining an expected pilot component that would have been …

A communications network comprises performance determination circuitry and link control
circuitry. The performance determination circuitry is operable to determine performance of a …

A first microwave backhaul transceiver may comprise a reflector and a signal processing
subassembly. The signal processing subassembly may comprise a plurality of antenna …