SIP (Session Initiation Protocol) is the IETF (Internet Engineering Task Force) signaling standard for managing multimedia session initiation defined in RFC 3261 commonly used in VOIP communication.

Abstract: Knowledge of spatial profiles of propagation channels holds significant importance in channel modeling, particularly in the subterahertz (sub-THz) frequency band spanning from 100 GHz to 300 ...

The claim that Java is ‘dead’ has been made so repeatedly that it has become a cliche. In 2026, it is still one of the most popular programming languages. It is still one of the most popular languages ...

A frequently asked question in a Java interview is: How to implement a Java HashMap? Java job seekers must fully grok this important concept if they want to ace the interview. The HashMap tutorial ...

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There are very good reasons for Java’s long-lived popularity as a server-side platform. It combines unbeatable maturity and breadth with a long and ongoing history of innovation. Using Spring adds a ...

This is a simple stack implementation in C, using an array as the underlying data structure. It's possible to resize the stack, and it's possible to set the initial size of the stack.

Abstract: This paper presents the implementation of a phased antenna array with Universal Software Radio Peripheral (USRP). The antenna elements of the array are driven by individual USRP platforms.

I think many Java developers use the Java Collections Framework like I do: start with the same basic implementations of each of the major collections interfaces for general cases and only use a ...