MW Network Design HU Lec.4

Jan, 2014

Microwave Network Design

PATH LOSS 4.0 MW Design Tool

HUAWEI TECHNOLOGIES CO., LTD.

Content • Digital Microwave Communication Principles • Basis of Microwav Microwave e Network Design • Route Design • Link Design • Report • Tips

Definition of Microwave 

Microwave 

Microwave is a kind of electromagnetic wave. In a broad sense, the microwave frequency range is from 300 MHz to t o 300 GHz. But In microwave communication, the frequency range is generally from 3 GHz to 30 GHz.



 According to the characteristics of microwave propagation, microwave microwave can be considered as plane wave.



The plane wave has no electric field and magnetic field longitudinal components along the propagation direction. The electric field and

magnetic field components are vertical to the propagation direction. Therefore, it is called transverse electromagnetic wave and TEM wave for short. HUAWEI TECHNOLOGIES Co., Ltd.

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Antenna

• The antenna performs the directional transmission and reception of RF signals. The main parameters are frequency band, diameter and antenna gain.

Single-polarized

antenna 

HUAWEI TECHNOLOGIES Co., Ltd.

dual-polarized antenna  Page 4

Split-Mount Microwave Equipment  – Installation  Direct Mount

Separate Mount

antenna (direct mount)

antenna (separate mount)

ODU

Soft waveguide IF cable

IF cable

ODU

中频口 

IDU

HUAWEI TECHNOLOGIES Co., Ltd.

IDU IF port

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IF port