Wireless Networks Notes ECE 8th Semester Notes, EC6801 Wireless Networks Lecture Notes. Anna University ECE 8th Semester Notes and syllabus are downloading. Regulation 2013 as well we provided important 2 marks and 16 marks questions with answer for all units. Here you will get notes for all units.
Wireless Networks Notes ECE 8th Semester Notes
EC6802 Wireless Networks Notes ECE 8th Semester Notes for free download.
GSM (Global System for Mobile communications or Grouped Specials Mobile) communications, initiated by the European Commission, is the second-generation mobile cellular system aimed at developing a Europe-wide digital cellular system. The main objective of GSM is to remove any incompatibility among the systems by allowing the roaming phenomenon for any cell phone. It also supports speech transmissions between MSs, emergency calls, and digital data transmissions.
Every time the MS has to communicate with a BS, it must correctly identify itself. A MS does this by storing the phone number (or the number used to contact the MS), personal identification number for the station, authentication parameters, and so on in the SIM card. The SIM card is the heart of a GSM phone, and the MS is unusable without it.
A wireless bridge is a hardware component used to connect two or more network segments (LANs or parts of a LAN) which are physically and logically (by protocol) separated.
A wireless local area network (WLAN) links devices via a wireless distribution method (typically spread-spectrum or OFDM radio), and usually provides a connection through an access point to the wider internet
IEEE 802.11 is a set of standards for the wireless area network (WLAN), which was implemented in 1997 and was used in the industrial, scientific, and medical (ISM) band. The aim of IEEE 802.11 is to provide wireless network connection for fixed, portable, and moving stations within tens to hundreds of meters with one medium access control (MAC) and several physical layer (PHY) specifications. The major protocols include IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, and IEEE 802.11n; their most significant differences lie in the specification of the PHY layer.
- Single mac to support multiple physical.
- Mechanisms to allow multiple overlapping network in the same.
- Provisions to handle the interference from other ISM band radios and microwave.
- Mechanism to handle ‘Hidden Terminals’.
- Options to support time bounded.
A MANET mobile ad hoc networks consists of a number of mobile devices that come together to form a network as needed, without any support from any existing Internet infrastructure or any other kind of fixed stations. MANET can be defined as an autonomous system of nodes or MSs (also serving as routers) connected by wireless links, the union of which forms a communication network modeled in the form of an arbitrary communication graph.
Electronics and Communication Engineering Notes
Electronics and Communication Engineering Notes all the semester are available here. Departments are Study about object oriented programming and data structures, linear data structures, microprocessor, digital communications and transmission lines and Guide waves.
Electronics & Communication engineering department deals with the electronic devices, circuit, and communications equipment like transmitters, receiver, and integrated circuits.
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