Abstract: I welcome you to the fourth issue of the IEEE Communications Surveys and Tutorials in 2021. This issue includes 23 papers covering different aspects of communication networks. In particular, ...

Chad Langager is a co-founder of Second Summit Ventures. He started as an intern at Investopedia.com, eventually leaving for the startup scene. Vikki Velasquez is a researcher and writer who has ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Gordon Scott has been an active investor and technical analyst or 20+ years. He is a Chartered Market Technician ...

The profit margins for jewelry makers and sellers can vary widely, particularly given the numerous categories within this industry. Fine jewelers who either make their own products or source their ...