WiFi Vs WiMax

[mikmarilynmusika]

if i can only understand the text.. :(

[johnnytoogood007]

OK, "must" is a strong word... Though they receive transmissions in the

microwave portion of the spectrum, they could transmit via radio frequencies

instead, or something else. Gamma rays? Ever look at a wi-fi router at a

local 'Staples' department store? On the box there is some "gibberish"

about 2.5 gHz (which is what frequency microwaves are defined by).

Any idea what "bluetooth" is? Sounds like a "land shark".

[johnnytoogood007]

Light from a flashlight, and light from a searchlight, appear to be of the same

frequency (wavelength), but the two examples vary in intensity and focus.

Moreover, the speed of an EM wave (such as light) is equal to its wavelength

multiplied by its frequency... A frequency establishes wavelength and vice-versa.

... You know, if shareholders do not understand what a company does, how can

"they" in "good conscience" advocate, shareholder rights activism legislation?

[johnnytoogood007]

All smart devices, such as smartphones and iPod touch handhelds must

emit microwaves, in the 2.5 gHz range, in order to interface-with, communicate

with, wi-fi routers, in order to use those wi-fi hotspots at such places as

Starbucks... However, the intensity of those microwaves are low, such that they

will not heat your coffee... That said, those you-tube videos of cellphones making

popcorn, might yet be true.

[johnnytoogood007]

Tech Guy : OK, reading Clearwire's annual report, it would appear that the

martians appear to be using some kind of radio access architecture that

keeps the microwave backhaul away from the noggins and the brains of

the fleshly ones.

[johnnytoogood007]

Is it a coincidence that Clearwire and China Mobile are promoting the 2.5 gHz

band (microwave ovens operate in that band)?? While "world leaders" speak

of the dangers of "overpopulation"?... Jesus fed five thousand with five loaves

and two fish... In the face of "dwindling resources" or "finite resources", what kind

of society would you advocate? It is written, And the Just shall live by Faith....

Words matter... WiFi and WiMax, is like comparing apples with oranges.

[johnnytoogood007]

Of course, "they" have always advocated the killing of "enemy combatants"

who do not have US citizenship... If you were a 15 year old boy who saw your

country being invaded by foreigners and decided to defend "the homeland"...

What did the British do to German kids who resisted? Omar Khadr is in a

US federal prison... Does that make GW Bush and Stephen Harper, child

abusers?... And what about others who refuse to protest that boy's treatment?

[johnnytoogood007]

Given that the US government legalized torture and arrests without warrants and

due process, and dismantled many civil rights,... should citizens demand legislation

making X-rays at airports and cellphones that can be used to assassinate "persons

of interests" illegal?.. Have you ever had an X-ray taken at a dental office? They put

this lead vest on your chest... What protection do they give airplane travellers?.. A

secret government now exists that can kill citizens... Is that "freedom"?

[johnnytoogood007]

How strong a signal from your smartphone (assuming it utilizes the 2.5 gHz band)

before you should be concerned about "brain cancer", or your flesh cooking?...

Or do WiMax, LTE, and Wi-Fi devices (e.g., smartphones and iPod touch devices)

that receive signals in the 2.5gHz band, transmit using radio frequencies? ... Is the

guy by the hut receiving a WiMax signal but transmitting back to "the tower" via

radio waves?

[johnnytoogood007]

Further, I guess ("postulate") that Clearwire uses more than one tower for

transmission and reception. My guess: A 6 to 1 ratio, 6 to receive and one

to transmit. Perhaps arranged in a hexagonal ("bee-hive") pattern, with a

transmission tower in the centre. Because the transmitting tower would have

a greater range, but the signals that cellphones and laptops emit being weaker

would need "help" in the form of receiving towers... Wi-fi routers, baby monitors,

and microwave ovens use 2.5gHz..

[johnnytoogood007]

Clearwire is the company in the US that is famous for its WiMax trials,

now abandoned. WiMax and LTE are essentially hardware-based

(rather than software-based) encryption-decryption algorithms used

to transmit internet content. Data throughput is a fuction of both frequency

(or wavelength) and spectrum (range of frequencies). For example, the

spectrum band 2450 gHz -2500 ghz would be 50 mHz wide. And data is

transmitted on each frequency, simultaneously, for "full capacity".

[johnnytoogood007]

I really like this presentation, even though it is highly flawed. Yet,

nevertheless, instructional... Note the guy at the end of the vid.

He receives a WiMax signal on his laptop... But when he types

something into his laptop, how strong a signal strength will he

need to transmit back?

[warband011]

que vídeo mas cerdo

[lsand]

Very fun visual explanation, though I didn't get any of the text slides the general message is that WiMax has a broader coverage.