mmW Backhaul and Fronthaul

Überblick

Infineon has in development a complete family of packaged RF transceiver for mobile backhaul – beside BGT70 and BGT80 for E-band radio, also BGT60 for V-band radio.  
The family approach has the major benefit due to it's a modular approach – one architecture supporting the three backhaul frequency ranges of 60, 70 and 80 GHz. Customers can easily design all three radio versions with the same RF footprint as the package is same for all three transceiver. 

Characteristics of different Base Station Sizes

Base Station Picocell Microcell Macrocell
Range 10 - 200m 200m - 2km 1 - 30km
No. of users 8 - 32 64+ 200+
Typical application SMB, enterprise, public indoor areas Metro outdoors, city centers, capacity hotspots Outdoor coverage
Deployment scenario Enterprise or operator deployed Operator deployed Operator deployed

 

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E-band front end module 80GHz

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With the growing number of apps, cloud computing, video streaming and other bandwidth consuming services the demand for mobile data services will continue to grow rapidly. To provide good Quality-of-Service (availability, fast speed, connectivity) at reasonable prices to the end customers the network operators also need the backhaul networks which have low latency, much higher capacity and lower total cost of ownership. Because of the wider bandwidths available in lightly licenced E-Band (71-76GHz & 81-86GHz), E-Band radio links are the right choice for Backhaul applications. Also ease of deployment, longer range and lower TCO is definitely an advantage for this technology. Infineon’s SiGe transceivers’ BGT70 and BGT80 based on its B7HF200 process and integrated inside the Embedded Wafer level ball grid Array package (eWLB) enable such a radio link. Infineon developed a RF front end system solution which operates at >3Gbps using QAM256 in 500MHz channel bandwidth.

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