What is NAP & NSP in Wimax ? How it Works ?
NAP: Network Access Provider NSP: Network Service Provider V-NSP: Visited NSP H-NSP: Home NSP NAP provides the operation entities of network facilities required by the WiMAX wireless access for one…
Telecom Techniques Guide
Here I write on article How Wimax works and on wimax terminology
NAP: Network Access Provider NSP: Network Service Provider V-NSP: Visited NSP H-NSP: Home NSP NAP provides the operation entities of network facilities required by the WiMAX wireless access for one…
CSN – Core Service Network. Definition It is a combination of a set of network functions and provides IPconnections for the WiMAX subscribers. The CSN consists of the router,AAA agent…
ASN – Access Service Network. Establish layer 2 connections between the BS and the MS. Transmit AAA messages to the home NSP of the MS. Assist the high level to…
OFDMA is essentially a hybrid of FDMA and TDMA: Users are dynamically assigned subcarriers (FDMA) in different time slots (TDMA) . The advantages of OFDMA start with the advantages of…
Earlier wireless technologies (LMDS, MMDS for example) were unsuccessful in the mass market as they could not deliver services in non-line-of-sight scenarios. This limited the number of subscribers they could…
Fixed WiMAX offers cost effective point to point and point to multipoint solutions. What makes WiMAX so exciting is the broad range of applications it makes possible but not limited…
How does WiMAX compare with the existing and emerging capabilities of 3G and Wi-Fi? The throughput capabilities of WiMAX depend on the channel bandwidth used. Unlike 3G systems, which have…
Naturally, the first application for which a wireless alternative was developed and deployed was voice telephony. These systems, called wireless local-loop (WLL), were quite successful in developing countries such as…
Less complex modulation. OFDM is a simpler modulation technique that is better suited to deployments that do not require support for mobility. License-exempt bands. Mobile services require licensed spectrum to…
The photo above shows the WiMAX radio deployed in an enclosure. Note from left to right: a) copper grounding cable on the inside of the enclosure b) Ethernet connection to…