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Courses matching "Mac"
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HSPA and HSPA+ training course description HSDPA (High Speed Downlink Packet Access) and HSUPA (High Speed Uplink Packet Access) provide speeds of upto 14Mbps downlink and 5Mbps uplink. This theory-based course provides an overview of the 3GPP R5 and R6 HSDPA/HSUPA standards and the technologies which are involved. The HSPA+ R7 enhancements are also covered. What will you learn Explain the relationship between HSPA and UMTS. Describe the benefits of HSPA/HSPA+ Explain the HSPA/HSPA+ technical enhancements. Explain packet flows in HSPA/HSPA+. Recognise the migration issues involved with HSPA/HSPA+ HSPA and HSPA+ training course details Who will benefit: Anyone working with HSPA. Prerequisites: Essential UMTS Duration 2 days HSPA and HSPA+ training course contents UMTS review UMTS architecture, components, interfaces, protocols, W-CDMA, standards, 3GPPr5, 3GPPr6, evolution to HSDPA and HSPA. HSPA basics What is HSDPA, what is HSUPA, key features, system capacities, data rates, delays. Key concepts: Adaptive modulation and coding (AMC), QPSK, 16QAM, HARQ, MAC-hs, multiplexing, subframes. HSPA channels Logical, transport, physical channels, dedicated vs. shared channels, HS-PDSCH, HS-SCCH, HS-DPCCH, code multiplexing, E-DCH, Enhanced DPCCH. MAC-architecture Controlling HS-DSCH, flow control, buffering, priority queues, packet scheduling, fast packet scheduling, Selecting modulation and coding. HARQ: Packet retransmissions, Incremental redundancy, comparison with ARQ, TFRC. MAC-d, MAC-c/sh, MAC-hs, MAC-es, MAC-e. HSPA migration HSDPA in the Radio Access Network (RAN), reuse of existing UMTS components, changes required, Impact on Iub/Iur interfaces, new and modified NBAP procedures, backwards compatibility. Packet flows Packet data session setup, simultaneous voice and data, QoS, TCP flow control, WCDMA packet scheduler, mobility procedures. HSPA phase 2 (3GPP r6) What is evolved HSPA? Speeds. Multiple Input Multiple Output (MIMO). Optional all IP architecture. R8 and LTE.
ZigBee training course description A hands on course covering the entire ZigBee protocol stack. ZigBee operation, primitives and frame formats are covered in detail using software tools to test and analyse ZigBee commands and demonstrate how these affect the 802.15.4 MAC. Analysers are used to decode packet formats. What will you learn Describe the ZigBee architecture and applications. Explain the workings of ZigBee protocol stack including the 802.15.4, NWK, APS and ZDO sub layers. Describe in detail the ZigBee primitives and how they are used to pass data; make networks; join networks and repair networks. Secure ZigBee networks. ZigBee training course details Who will benefit: Technical staff requiring grounding in ZigBee including application engineers. Prerequisites: RF fundamentals. Duration 2 days ZigBee training course contents Wireless data overview What is 802.15.4 and ZigBee? WLAN, WPAN, Bluetooth vs. ZigBee. Markets. Applications and architecture. ZigBee demonstration. ZigBee Standards and technology The 7-layer model, IEEE WPAN standards overview, 802.15.4 & ZigBee, ZigBee alliance. ZigBee Protocol stack The ZigBee 5 layer model, The network (NWK) sub layer, Application support sub layer (APS), the ZigBee Device Object (ZDO). 802.15.4 Radio Frequencies, modulation, power, DSSS, BPSK/ O-QPSK, channels, symbols, chips and bit rate. 802.15.4 PHY PHY data transfer primitives. The PHY packet. PHY PIB management. 802.15.4 MAC layer The MAC layer overview, CSMA/CA, addresses, frame types, super frames, MAC layer: Data, Data control, Scan and join, PAN maintenance, MAC PIB. Hands on 802.15.4 frame analysis. ZigBee Topologies Point to point topology, star topology, cluster tree, wired integration. Hands on Building a ZigBee network. ZigBee frame formats General frame format, data frames, command frames. Hands on Analysing ZigBee frames. ZigBee NWK NWK data primitives: Request. Confirm. Indication. NWK management primitives: Network discovery, network formation. Permit joining. Start router. Join. Direct join. Leave. Reset. Sync. NWK database management. Hands on NWK analysis ZigBee APS Address mapping, matching devices, binding devices, binding tables. Hands on APS analysis. ZigBee ZDO Device roles, binding requests, initiating and responding, device discovery, service discovery, network management. ZDO Endpoint 0. ZigBee Security Security issues, security modes, MAC security, NWK security, APS security. Applications Writing ZigBee applications, application profiles, End points, Endpoint addressing, clusters of attributes, broadcasts. Hands on Sample ZigBee application.
CWAP training course description This WiFi analysis course consists of hands-on learning using the latest enterprise wireless LAN analysis and troubleshooting tools. The course takes an in-depth look at the functionality of WLANs, intended operation of the 802.11 protocol and Wi-Fi Alliance specifications, WLAN frame formatting and structure, troubleshooting methodology, and protocol analysis. It also includes extensive training in modern spectrum analysis with a focus on advanced RF behaviour analysis, data collection methods, interpreting spectrum plots and charts, and understanding advanced features of WLAN spectrum analysers. What will you learn Analyse WiFi frames using Wireshark. Explain 802.11 protocol operation. Troubleshoot WiFi networks using Wireshark. Troubleshoot WiFi networks using spectrum analysers. CWAP training course details Who will benefit: Technical Network Staff Anyone looking to become a CWAP Prerequisites: Certified Wireless Network Administrator Duration 4 days CWAP training course contents Principles of WLAN Communication 802.11 Working Group, OSI reference model and the 802.11 PHY and MAC, Communication sublayers and data units, WLAN architecture components, Organization of station forwarding Addressing and internetworking operation, Modern WLAN product architectures. Physical (PHY) and MAC Layer Formats and Technologies Physical layer functions, Preamble function and format, Header purpose and structure, Analysis of PHY problems, Physical PPDU formats, 802.11b, 802.11a, 802.11g, 802.11n, MAC frame components, MAC encapsulation, Fields and subfields of the MAC header, Frame Control, Frame types and subtypes and their uses, Addressing, Frame body, Data frame format, Control frame format, Management frame format, Information elements and fields. Beaconing and synchronization Scanning, Client state machine, 802.11 contention, QoS, Admission control, Band steering and airtime fairness mechanisms Fragmentation, Acknowledgments and Block acknowledgments, Protection mechanisms and backward compatibility, Power management, Dynamic Frequency Selection (DFS) and Transmit Power Control (TPC), Security components, methods, and exchanges, Roaming procedures exchanges, Future protocol enhancements. 802.11n Transmit beamforming, Spatial multiplexing, Maximal Ratio Combining (MRC), Space-Time Block Coding, 40 MHz channels, Frame aggregation, HT-OFDM format, Modulation and Coding Schemes (MCS), HT frame formatting and more. Protocol Analysis Tools and Methodology Troubleshooting methodology, Protocol analyser types, Analysis NIC/adapter selection and constraints, Interpreting results based on location, Analyzer settings and features, Filtering and channel scanning, Interpreting decodes, Using advanced analysis features, Assessing WLAN health and behaviour factors, Evaluating network statistics, Troubleshooting common problems, Wired analysis to support wireless network issues. Spectrum Analysis Tools and Methodology Radio frequency behaviour review, Visualizing RF domains using spectrum measurement tools, Spectrum analyser types and operation, Analyser specifications and characteristics, Understanding spectrum data presentation, Interpreting plots and charts, Common WLAN spectrum analyser features, Identifying transmit patterns, Device classification and network impact, Recognizing transmit signatures. Hands on lab exercises Wireshark Setup, Use, and In-Depth Analysis Wireshark is fundamental to troubleshooting. Labs include: - Capabilities, configuration, and data display - Opening, collecting, saving, and modifying capture files. - Filtering traffic, and using colouring rules as analysis aides. - Live captures based on a set of desired collection criteria. - Identify and isolate network problems. - Conversation analysis. - Remote packet capture with an AP. Understanding Frame Components Familiarity with the frame structure and contents is essential in real -world troubleshooting efforts. Labs include: - Understanding the MAC header - Comparing the three major frame types and their subtypes - Analysing frame formats of individual frame types - Analysing 802.11n frame components - Additional information is reported by protocol analysers - Information not visible in protocol analysers Frame Exchanges Understanding frame exchange rules and behaviors is critical to identifying expected and unexpected. It is also necessary to understand what is normal so that aberrations can be properly troubleshot. Labs include: - Connectivity exchanges and sequences - Legacy and modern security exchanges - ERP and HT protection mechanisms - Power save behaviour - Acknowledgments, block acknowledgments, and supporting action frames - Dynamic rate switching - Band steering Troubleshooting Common Problems This lab exposes students to hands-on troubleshooting skills by setting up common problems in WLANs and allowing students to attempt to solve them. - Trouleshooting connectivity exchanges - Troubleshooting 802.1X and EAP exchanges - Troubleshooting roaming Spectrum Analyzer Setup, Use, and In-Depth Analysis Specifically, it will explore the plots and charts used to display spectrum data and how to interpret this data to define a transmitter's impact on the network. The following are covered: - Installing the analyser and using display and navigation - The 'RF perspective' provided by each plot and chart - Using built-in features and automated device identification - Characterizing the behaviours of an interference source - Assessing the impact of an interference source - Determining the impact of transmitter proximity on interference. - Identifying signatures of common transmitters - Remote spectrum analysis with an AP
STP alternatives training course description The Spanning Tree Protocol (STP) dates from 1985. This course explores the technologies that can be used as an alternative to STP, including FabricPath, SPB and TRILL. What will you learn Explain how STP and RSTP work. Explain how TRILL works. Explain how SPB works. Explain how FabricPath works. STP alternatives training course details Who will benefit: Technical network staff. Prerequisites: Definitive Ethernet switching for engineers Duration 1 day STP alternatives training course contents Introduction Layer 2 versus Layer 3, STP problems: One path, convergence, MAC explosion, STP alternatives. STP 802.1D, how STP works, root bridge, convergence times, single path. RSTP 802.1w, Improvements, convergence times. Link aggregation 802.3ad, Multi system Link aggregation. IS-IS Concepts, Discovery, topology exchange, flooding. Changes for TRILL, FabricPath and SPB. FabricPath Overview, architecture, control plane protocols, DRAP, STP interactions, packet forwarding, configuration. TRILL Concepts, RBridge, TRILL frames, control plane, data plane, learning MAC addresses. SPB 802.1aq, Node ID, Backbone Edge Bridges, Backbone MAC address, customer MACs, I-SID, forwarding database.
WiMax training course description Broadband wireless access is an emerging technology area. This course looks at WiMAX, where it can be used, how it works and the alternative technologies. What will you learn Describe WiMAX. Explain how WiMAX works. Compare and contrast WiMAX with alternative broadband wireless access technologies. WiMax training course details Who will benefit: Anyone wishing to know more about WiMAX. Prerequisites: None. Duration 2 days WiMax training course contents Introduction What is WiMAX? WiMAX applications, The Internet, Internet access choices, wireless broadband access, WiMAX benefits. WiMAX overview Spectrums, LOS vs. non-LOS, bit rates, modulation, mobility, channel bandwidth, cell radius. WiMAX standards The WiMAX forum, IEEE, ETSI, HIPERACCESS, HIPERMAN, 802.16, 802.16-2004, 802.16a, 802.16e, 802.16f. WiMAX architecture Subscriber Stations (SS), Indoors, outdoors, antennas, Radio Base Stations (BS), LOS, Non LOS BackHaul, Point to multipoint, mesh support. Physical layer 10 - 66GHz, TDMA, TDD, FDD, 2 -11 GHz, SC2, OFDM, OFDMA, QPSK, QAM, Radio Link Control (RLC), uplink, downlink. MAC layer Traffic types (continuous, bursty), QoS, service types. MAC operations, connection oriented, frame structure, addressing. Convergence sublayers, service specific, common part, profiles (IP, ATM). Bandwidth request-grant, ARQ, Management messages. Security MAC privacy sublayer, network access authentication, AAA, 802.1x, key exchange and privacy. WiMAX alternatives WiMAX vs. 3G, WiMAX vs. 802.20.