What Are GSM Frequency Bands, ARFCNs And FDMA/TDMA Channels

[@latandlon]

was looking for this info every where, found out here, very clean explaination

[@hamzaahmad1623]

Very good reading mate

[@lahirupeellapitiya7840]

thank you Dr.tiwana

[@hawkeyestrongestavenger38]

Good work

[@faisalkhan1026]

Very nice demonstration Sir !

[@MrFunny4114]

Finally i've understood it, thank you!

[@raghavbhanot5176]

Easy explanation , thnx 👍, please explain CDMA also

[@martinrasmussen5898]

Very nice explanation

[@poojapatil410]

Thankyou so much Sir for this video👍

[@kallachnadra]

how uplink works at 915 MHz when you are gievn only max 900 MHz..doctor !

[@roshanrai4720]

Easy n good explanation!

[@adarshnayak8859]

Sir I have given a data of satellite multispectral image 1573 pixel of the city where 5parameter are given
X-coordinate is a numeric vector
Y- coordinate is a numeric vector
Band 1- numeric vector
Band 2- numeric vector
Band 3- numeric vector
Now my Question is In these three bands some values are given negative thus it may be possible or not
Q2- how can we identify these three frequency band units and it's which colur (blue, red ,green )

[@amit9285]

How are bands added to a cell phones is it added through software or hardware

[@Tonzaa69XD]

Software, in the cell phone modem firmware.

[@muhammadelkady659]

Thanks U Dr Moazzam so much thats so useful ...Gazak ALLaHu Khairan :).....would be great if u make like a playlist for the whole WCDMA course. Thnk u so much DR.

[@sanjivoddi9268]

what is the full form of GSM?

[@horizonbrave1533]

Great Video! So a few questions... So just because it's called the 900Mhz band, it uses a lowest point of 890Mhz? The Same with the 1800 MHZ band... it's called 1800 but it starts at 1710 MHZ? Also.. These GSM bands, are these specific bands like the GSM 900, 1800 and 1900 owned by a specific cell carrier like AT&T, or Verizon? Or can any carrier use these GSM bands? If any carrier can use them...then technically who "owns" this spectrum?

[@onlyphysics143]

Sir which signal booster do you recomend me for 4g internet browsing in gilgit pakistan? 900 mhz 1800mhz or 2100mhz or 2600 mhz?
Very nice. Thank you and i subscribed you sir.

[@pkuniversal]

Band 2100 is TDD or FDD

[@onlyphysics143]

Very nice. Thank you and i subscribed you sir.

[@gauravbisht1414]

hello sir , can u please tell me what is the use of duplex spacing in bands

[@dr.moazzamtiwana4743]

To reduce the uplink and downlink frequencies

[@gauravbisht1414]

sir but how it can be reduced .....sir pls explain with one small example ....

[@SwapnilSood]

well explained sir

[@RameshYadav-ef6xk]

super explanation sir

[@little_laughs_family]

very nice Sir.
Sir can you put some lectures on the basic concepts of cooperative communication. I am unable to get a nice lecture series on cooperative communication.
Thanks

[@mohammadzameeralikhan2137]

shukran sir

[@fatemapanvelwala4750]

Nice one! Thanks

[@ahmedothman5601]

Thanks

[@mohammadzameeralikhan2137]

thanks a lot

[@yasirlangove6375]

How are you muhtram

[@krkaustavdey3657]

sorry please explain more clearly

[@Javedkhan-ox8ys]

Fazool taqreer hai , asan lafzon me samjhao, k jahañ signal Kamzor ho , strong hoga k nahi bus.

[@shezadkashif6554]

Chop Banda Urdu MN Bata ta hai Pakistani ho