Tài liệu miễn phí Quản trị mạng
Download Tài liệu học tập miễn phí Quản trị mạng
Wireless networks - Lecture 26: Wireless LAN/IEEE 802.11
Wireless networks - Lecture 26: Wireless LAN/IEEE 802.11. The main topics covered in this chapter include: IEEE 802.11 protocols; standardization of wireless networks; 802 LAN MAN standards committee; architecture; services; MAC protocols;...
4/8/2023 5:37:55 PM +00:00
Wireless networks - Lecture 25: 1st review
Wireless networks - Lecture 25: 1st review. The main topics covered in this chapter include: introduction to wireless networks; multiple access; quality of service (QoS); cellular concept; frequency reuse; locating co-channel cells; channel assignment strategies; handoff strategies;...
4/8/2023 5:37:49 PM +00:00
Wireless networks - Lecture 24: CDMA2000
Wireless networks - Lecture 24: CDMA2000. The main topics covered in this chapter include: cdma2000 introduction; new MAC and Physical layer features; physical layer of cdma2000; reverse Physical channels; new network elements in cdma2000; mobility management; handoff;...
4/8/2023 5:37:42 PM +00:00
Wireless networks - Lecture 23: WCDMA (Part 3)
Wireless networks - Lecture 23: WCDMA (Part 3). The main topics covered in this chapter include: compressed mode measurements; handover measurements; WCDMA packet data access; transport channels for packet data; packet scheduling algorithms; transmission gap lengths (TGL);...
4/8/2023 5:37:36 PM +00:00
Wireless networks - Lecture 22: WCDMA (Part 2)
Wireless networks - Lecture 22: WCDMA (Part 2). The main topics covered in this chapter include: spreading and scrambling; transport channels; physical channels; signalling; physical layer procedures; orthogonal variable spreading factor (OVSF) technique; coded composite transport channel (CCTrCh);...
4/8/2023 5:37:25 PM +00:00
Wireless networks - Lecture 21: WCDMA (Part 1)
Wireless networks - Lecture 21: WCDMA (Part 1). The main topics covered in this chapter include: UMTS; service classes in UMTS; UTRAN architecture; radio interface protocol architecture; protocol models for UTRAN; logical channels;...
4/8/2023 5:37:19 PM +00:00
Wireless networks - Lecture 20: EDGE
Wireless networks - Lecture 20: EDGE. The main topics covered in this chapter include: walsh codes; IS-95 reverse link; EDGE introduction; modulation and coding schemes; link adaptation and incremental redundancy; capacity planning; dynamic abis pool;...
4/8/2023 5:37:12 PM +00:00
Wireless networks - Lecture 19: cdmaOne/IS-95
Wireless networks - Lecture 19: cdmaOne/IS-95. The main topics covered in this chapter include: IS-136; CDMA/IS-95; Advantages and drwabacks; IS-95 forward channels; IS-95 reverse channels; digital control channel (DCCH); broadcast control channel (BCCH); shared channel feedback (SCF);...
4/8/2023 5:37:06 PM +00:00
Wireless networks - Lecture 18: GPRS: General packet radio service (Part 2)
Wireless networks - Lecture 18: GPRS: General packet radio service (Part 2). The main topics covered in this chapter include: GPRS protocol architecture; GPRS air interface; data routing and mobility; uplink data transfer; downlink data transfer; QoS in GPRS;...
4/8/2023 5:37:00 PM +00:00
Wireless networks - Lecture 17: GPRS: General packet radio service (Part 1)
Wireless networks - Lecture 17: GPRS: General packet radio service (Part 1). The main topics covered in this chapter include: identifiers in GSM network and call routing; introduction to GPRS; GPRS architecture; registration and session management; routing scenario in GPRS; channels classification;...
4/8/2023 5:36:52 PM +00:00
Wireless networks - Lecture 16: GSM: Global system for mobile communication
Wireless networks - Lecture 16: GSM: Global system for mobile communication. The main topics covered in this chapter include: GSM introduction; GSM system architecture; GSM network areas; specifications; subscriber services; mobility; identifiers in GSM network;...
4/8/2023 5:36:45 PM +00:00
Wireless networks - Lecture 15: Analog mobile phone system
Wireless networks - Lecture 15: Analog mobile phone system. The main topics covered in this chapter include: AMPS introduction; system overview; call handling; air interface; supervisory signals; N-AMPS; mobile identification number; reverse control channel (RVC) in opposite;...
4/8/2023 5:36:39 PM +00:00
Wireless networks - Lecture 14: Fundamentals of cellular networks (Part 4)
Wireless networks - Lecture 14: Fundamentals of cellular networks (Part 4). The main topics covered in this chapter include: trunking and grade of service; improving coverage and capacity; block calls cleared; trunking efficiency; microcell zone concept;...
4/8/2023 5:36:33 PM +00:00
Wireless networks - Lecture 13: Fundamentals of cellular networks (Part 3)
Wireless networks - Lecture 13: Fundamentals of cellular networks (Part 3). The main topics covered in this chapter include: interference and system capacity; co-channel interference and capacity; adjacent channel interference and capacity; channel planning for wireless system;...
4/8/2023 5:36:27 PM +00:00
Wireless networks - Lecture 12: Fundamentals of cellular networks (Part 2)
Wireless networks - Lecture 12: Fundamentals of cellular networks (Part 2). The main topics covered in this chapter include: channel assignment strategies; dynamic channel assignment strategy; handoff strategies; mobile assisted handoff (MAHO); prioritizing handoff; practical handoff considerations;...
4/8/2023 5:36:20 PM +00:00
Wireless networks - Lecture 11: Fundamentals of cellular networks (Part 1)
Wireless networks - Lecture 11: Fundamentals of cellular networks (Part 1). The main topics covered in this chapter include: cellular concept; modern wireless communication systems; frequency reuse; locating co-channel cells; center-excited cell; edge-excited cell;...
4/8/2023 5:36:13 PM +00:00
Wireless networks - Lecture 10: Evolution of wireless networks (Part 3)
Wireless networks - Lecture 10: Evolution of wireless networks (Part 3). The main topics covered in this chapter include: limitation of 3G; 4G objectives; convergence of cellular and WLAN; billing issue; wireless networks; fully IP-based integrated system; convergence of high speed internet & mobility a major driver of future wireless;...
4/8/2023 5:36:07 PM +00:00
Wireless networks - Lecture 9: Evolution of wireless networks (Part 2)
Wireless networks - Lecture 9: Evolution of wireless networks (Part 2). The main topics covered in this chapter include: evolution to 2.5G; wireless networks upgrade paths; evolution to 3G; high speed circuit switched data (HSCSD); general packet radio service (GPRS); enhanced data rates for GSM evolution (EDGE);...
4/8/2023 5:35:59 PM +00:00
Wireless networks - Lecture 8: Evolution of wireless networks (Part 1)
Wireless networks - Lecture 8: Evolution of wireless networks (Part 1). The main topics covered in this chapter include: 1G wireless cellular networks; 2G cellular systems; evolution tree of wireless systems; pacific digital cellular (PDC); automatic switching (dialing) and handover;...
4/8/2023 5:35:53 PM +00:00
Wireless networks - Lecture 7: CSMA and spread spectrum
Wireless networks - Lecture 7: CSMA and spread spectrum. The main topics covered in this chapter include: carrier sense multiple access (CSMA); employs different node behaviour when channel found busy; problem of radio transmission; direct sequence spread spectrum (DSSS);...
4/8/2023 5:35:47 PM +00:00
Wireless networks - Lecture 6: Multiple access techniques
Wireless networks - Lecture 6: Multiple access techniques. The main topics covered in this chapter include: frequency division multiple access (FDMA); time division multiple access (TDMA); random access; random access methods in wireless networks; code division multiple access (CDMA);...
4/8/2023 5:35:40 PM +00:00
Wireless networks - Lecture 5: Error detecting and correcting techniques
Wireless networks - Lecture 5: Error detecting and correcting techniques. The main topics covered in this chapter include: block codes; ARQ; hamming code; designed to correct single bit errors; single-error-correcting (SEC) code; multiple error correcting codes; reed-solomon codes;...
4/8/2023 5:35:34 PM +00:00
Wireless networks - Lecture 4: Error detecting and correcting techniques
Wireless networks - Lecture 4: Error detecting and correcting techniques. The main topics covered in this chapter include: transmission errors; error detection codes; automatic repeat request (ARQ) protocols; two-dimensional parity checks; parity check; cyclic redundancy check; block error code;...
4/8/2023 5:35:27 PM +00:00
Wireless networks - Lecture 3: Introduction to Wireless communication
Wireless networks - Lecture 3: Introduction to Wireless communication. The main topics covered in this chapter include: multiplexing; multiplexing - carrying multiple signals; transmission mediums; propagation modes; multi-path propagation; fading;...
4/8/2023 5:35:20 PM +00:00
Wireless networks - Lecture 2: Introduction to Wireless communication
Wireless networks - Lecture 2: Introduction to Wireless communication. The main topics covered in this chapter include: wireless transmission; digital data analog signals; noises; atmospheric noise like thunderstorms; attenuation and other impairments;...
4/8/2023 5:35:14 PM +00:00
Wireless networks - Lecture 1: Introduction to Wireless communication
Wireless networks - Lecture 1: Introduction to Wireless communication. The main topics covered in this chapter include: the wireless vision; radio waves; channel capacity; signal-to-noise ratio; EM spectrum;...
4/8/2023 5:35:05 PM +00:00
Advanced Computer Networks: Lecture 45 - Dr. Amir Qayyum
Advanced Computer Networks: Lecture 45. This lecture will cover the following: global internets; diameter of the internet; internet structure today; multiple backbone service providers; arbitrary graph structure; virtual geographies; scaling problems for the internet; IP address hierarchy evolution;...
4/8/2023 5:24:42 PM +00:00
Advanced Computer Networks: Lecture 44 - Dr. Amir Qayyum
Advanced Computer Networks: Lecture 44. This lecture will cover the following: overlay networks; overlay network layered on top of a physical network; overlay nodes tunnel through physical nodes; multicast tree embedded in an overlay mesh; triangular inequality in networks;...
4/8/2023 5:24:36 PM +00:00
Advanced Computer Networks: Lecture 43 - Dr. Amir Qayyum
Advanced Computer Networks: Lecture 43. This lecture will cover the following: headers and header format; distributed services; HTTP and TCP connections; dynamic document; multimedia applications; streaming stored audio/video: using a web server with a metafile; real-time transport protocol (RTP);...
4/8/2023 5:24:26 PM +00:00
Advanced Computer Networks: Lecture 42 - Dr. Amir Qayyum
Advanced Computer Networks: Lecture 42. This lecture will cover the following: domain name service (DNS); comparison of domain names and addresses; internet domain names; name servers maintain; domain name hierarchy; implementation of hierarchy; name resolution (name to address translation);...
4/8/2023 5:24:20 PM +00:00