ITM 301 inclass note

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School

Toronto Metropolitan University *

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Course

301

Subject

Electrical Engineering

Date

Oct 30, 2023

Type

pdf

Pages

3

Uploaded by por.dean98

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2/ WPAN 802.15 a/ Bluetooth 802.15.1 operate ????? 10M connect multiple devices without any antenna. _ BT is an open source teah?? => does not support sec _ 2issues : .Blue jacking sends unassociated msg to other BIS .Blue sncufing??????: Download Data without perm?? IOT: Sensor a connected to the internet ?????? ??? have 50 bilions of IoT devices connected to Internet. 5G enable massive IoT connections _Faster than 4G(10-100X) _ Provide ????????????? _ Offers low-power(IoT sensor) connectivities = > 2 Major compound IoT a/ Cloud computing/ Fog computing = cloud 2@ senior level. b/ 5G 3/ IoT teeh??? a/ RFID: Operate @ Electrio magnetic. _ while implementation for Inventory Management _ offer mant other app(contact less payment, credit card ?????) b/ Zig Bee 13 IEEE 502.15.4 _ offer low battery IoT connection _ used with many IoT apps such as HUAK _ manufactoring _ fleet c/ Z-Wave is and advanced version of Zig Bee _ It has a controller called hub?????. _ A hub??? Can control 100 IoT sensors _ We can extend IoT net with deploying multiple hubs??. Z-Wave hub(IoT 1,IoT2,IoT3, IoT4) The hub auto detect IoT sensor and assign them an IDF = > Foundation of Smarthome
d/ Ultra wide Bw 802.15.3(old), 802.15.4Z UWBW devices operate similar to Z –Wave _ The first gen of UWBW called 802.15.3 _ Todays UWBW can connect to Z-Wave net using 802.15.4Z stand. e/ ANT,ANT+ _ Is a tech used for IoT connections using. _ ANT operate @ 2.45 Ghz fveg _ ANT,ANT+ have been deployed in many medical devices, smartphone GPS enabled), Sport Equipment. f/ NFC: design for a very short distances Ex: Smartwatch after 4 types ???(cellphone, speed,frag??) _ User Level :*Type1: Storage(96 bytes to 2K)Speed(100Kbps) *Type2: Storge(48 bytes to 2K)Speed(106Kbps) _ Manufactor level:*Type3 Storage(1M??) Speed(212Kbps) *Type4 Storage(upto 32 Kbytes) Speed(106-424 Kbps) 4) Wifi tech IEEE Freg Speed Distance 802.11a 5GHz 54Mbps Nearly 20m 802.11b 2.45GHz 11Mbps >20m up to 100m 802.11g 2.45GHz 54Mbps 802.11i Wifi Security 5G support 2.45 MIMD Antenna 600m(70m indoor,250m outdoor) 802.11n 802.11ac 5G (MO-MIMO)* wave 1: 1.3G *wave 2: 3.6G *wave 3: 6.9G 802.11ax Wifi 6E Same as 802.11ac but support up to 9.6G 5/ Wifi SEC 802.11 define wifi security. a. WPA(Wifi Protected Access) _ offer security through TKIP( Temporal, Key, Integrity, Protocol) _ TKIP provides the following: *msg integrity
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