I am a telecom professional working with access technologies like GSM, WCDMA and LTE.

Hybrid automatic repeat request (Hybrid ARQ or HARQ) is a variation of the ARQ error control method. In standard ARQ, error-detection information (ED) bits are added to data to be transmitted (such as cyclic redundancy check, CRC). In Hybrid ARQ,…

E-NodeB

The E- Node B is the only node for the E-UTRAN. If you have a slightest idea of any of previous telecom technologies like GSM, CDMA and/or  WCDMA , you might know that all the other RAN technologies used more…

The WiFi alliance

The Wi-Fi Alliance is a trade association that promotes Wireless LAN technology and certifies products if they conform to certain standards of interoperability. Not every IEEE 802.11-compliant device is submitted for certification to the Wi-Fi Alliance, sometimes because of costs…

What is WiFi

Wi-Fi is a popular technology that allows an electronic device to exchange data wirelessly (using radio waves) over a computer network, including high-speed Internet connections. Technically speaking, The WIFI (802.11) is a subset of the IEEE 802, that refers to…