What is the difference between CAT-M1 and Nb-IoT?

ComparloCategory: TechnologyWhat is the difference between CAT-M1 and Nb-IoT?
Awais Khan asked 3 years ago
{“lhsI”:”CAT-M1″,”rhsI”:”Nb-IoT”}
2 Answers
Ahmad Raba answered 3 years ago

[{“cellsNumber”:2,”row”:”Acronym”,”lhsI”:”Cat-M1%20%28officially%20known%20as%20LTE%20Cat-M1%29%20or%26nbsp%3BCat-M/LTE-M%20and%20also%20called%20eMTC”,”rhsI”:”NB-IoT%20%28officially%20known%20as%20Cat-M2%29″},{“cellsNumber”:2,”row”:”Definition”,”lhsI”:”Cat-M%20refers%20to%20Category%20M%20%22%20M%20means%20Machines%22%2C%20the%20second%20generation%20of%20LTE%20chipsets%20meant%20for%20IoT%20applications.%20%26nbsp%3BCategory%20M%20follows%20Category-1%20LTE%2C%20part%20of%20the%20existing%203GPP%20LTE%20standards%2C%20which%20enables%20reduced%20power%20consumption%20and%20cost”,”rhsI”:”NB-IoT/Cat-M2%2C%20this%20is%20for%20NB-IOT%20devices%2C%20The%20NB-IoT%20technology%20is%20deployed%20%26ldquo%3Bin-band%26rdquo%3B%20in%20spectrum%20allocated%20to%20Long%20Term%20Evolution%20%28LTE%29%20or%20in%20the%20unused%20resource%20blocks%20within%20a%20LTE%20carrier%26rsquo%3Bs%20guard-band%2C%20these%20devices%20working%20on%20small%20channel%20bandwidth%20180KHz%20with%20throughput%20less%20than%20250K”},{“cellsNumber”:2,”row”:”Scope”,”lhsI”:”-%20LTEM1%20has%20higher%20data%20rates.%20%3Cbr%20/%3E-%20LTEM1%20improve%20battery%20life%20LTE%20eDRX%20%28extended%20discontinuous%20reception%29%20and%20LTE%20PSM%20%28power%20saving%20mode%29.”,”rhsI”:”-%26nbsp%3BNB-IoT%20will%20have%20low%20component%20costs%3A%20as%20the%20NB-IoT%20working%20on%20the%20channel%20BW%20180K%20much%20simpler%20that%20LTE-M1%20thus%20the%20NB-IOT%20devices%20will%20be%20more%20cheaper%20than%20LTEM1.%3Cbr%20/%3E-%26nbsp%3BNB-IoT%20can%20handle%20wider%20deployment%20coverages%20than%20LTE-M1%3Cbr%20/%3E-%20NB-IoT%26nbsp%3Bimprove%20battery%20life%20LTE%20eDRX%20%28extended%20discontinuous%20reception%29%20and%20LTE%20PSM%20%28power%20saving%20mode%29.”},{“cellsNumber”:2,”row”:”Table Comparison “,”lhsI”:”%3Cul%3E%0A%3Cli%3E3GPP%20Release%3A%20R13%3C/li%3E%0A%3Cli%3EDeployment%3A%20In%20LTE%20Band%26nbsp%3B%3C/li%3E%0A%3Cli%3EDownlink%20peak%20rate%3A%201M%3C/li%3E%0A%3Cli%3EUplink%20peak%20rate%3A%20250K%3C/li%3E%0A%3Cli%3EBandwith%3A%201.08Mhz%3C/li%3E%0A%3Cli%3EDevice%20Transmit%20power%3A%2020/23dBm%3C/li%3E%0A%3Cli%3EVoLTE%20Support%3A%20Yes%3C/li%3E%0A%3Cli%3Enumber%20of%20Antenna%3A%201%26nbsp%3B%3C/li%3E%0A%3C/ul%3E”,”rhsI”:”%3Cul%3E%0A%3Cli%3E3GPP%20Release%3A%20R13%3C/li%3E%0A%3Cli%3EDeployment%3A%20In%20LTE%20Band%2C%20Guardband%3C/li%3E%0A%3Cli%3EDownlink%20peak%20rate%3A%20250K%3C/li%3E%0A%3Cli%3EUplink%20peak%20rate%3A%2020K%20for%20single-tone%3C/li%3E%0A%3Cli%3EBandwith%3A%20180Khz%3C/li%3E%0A%3Cli%3EDevice%20Transmit%20power%3A%2020/23dBm%3C/li%3E%0A%3Cli%3EVoLTE%20Support%3A%20No%3C/li%3E%0A%3Cli%3Enumber%20of%20Antenna%3A%201%3C/li%3E%0A%3C/ul%3E”}]

Awais Khan
replied 3 years ago

Great ! Very precise and clear answer. One more point which one of them supports full mobility ?

Ahmad Raba
replied 3 years ago

I don't believe CATM2 devices will support full mobility (I-RAT), however for the CATM1 will be fully support IRAT

Ahmad Raba answered 3 years ago
[{“cellsNumber”:2,”row”:”Mobility Support “,”lhsI”:”Full%20mobility%20support”,”rhsI”:”Not%20supported%26nbsp%3Bfor%20%26nbsp%3Bmobility%20%28only%20idle%20mode%20reselection%29″}]

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