Abstract: Intelligent reflecting surface (IRS) is an enabling technology to engineer the radio signal propagation in wireless networks. By smartly tuning the signal reflection via a large number of ...

Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. An express warranty promises repair or ...

Most accounting and bookkeeping software will create estimates and invoices with a few quick clicks of the mouse. There are times an invoice is modified because of an ...

Many businesses purchase goods at wholesale and then sell them for retail prices to make a profit. An item's invoice cost is the price a company pays to its wholesale dealer to purchase the item for ...

With more than 50 million redeemed miles under her belt, Becky Pokora is a rewards travel expert. She's been writing about credit cards and reward travel since 2011 with articles on Forbes Advisor, ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...