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BobC_
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re: DIDO promises wireless breakthroughs
BobC_   7/31/2011 11:31:35 PM
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The referenced White Paper is interesting, but serves best as a brief gateway for diving into the patents: While it doesn't permit the technology to be analyzed, it does provide some useful insights. The relevant patents are here: http://www.google.com/search?tbo=p&tbm=pts&hl=en&q=ininventor:%22Antonio+Forenza%22 Each of the above patents references a massive number of other patents and publications (papers and articles). The most accessible patent seems to be this one: http://www.google.com/patents?id=etPwAAAAEBAJ&printsec=abstract&source=gbs_overview_r&cad=0#v=onepage&q&f=false After the first page, the main text resumes on page 113. -BobC

rick merritt
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re: DIDO promises wireless breakthroughs
rick merritt   7/31/2011 3:25:09 AM
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@JackWin: You get my $10 bucks. But I would already cocede the point that you can get a patent examiner, many of them fairly junior people, to approve something they should not approve.

old account Frank Eory
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re: DIDO promises wireless breakthroughs
old account Frank Eory   7/30/2011 8:17:22 PM
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It is an interesting idea -- some might say "conspiracy" -- but I think we've all seen examples where a well-known idea or technology was patented long after it was already known and in use. I don't think it's a big secret that a person can re-patent something that isn't actually new or isn't his own invention.

JackWin
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re: DIDO promises wireless breakthroughs
JackWin   7/30/2011 6:12:35 PM
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Ok, guys. Here is a challenge. I will proof to you that the US patent system is a farce. I will, with your help and a patent lawyer friend of mine, take a well known idea/technology and get it patented. In fact I will fast track the patent to be granted within a 2 year period in order to not torture all of us with a 10 year wait for the patent to be granted (I have done this successfully in the past). The idea is this: 1) If I get 10 people to reply to this post that this is a good/worthy cause, I will open a Facebook page soliciting ideas (known technical ideas) for the patent from the public. 2) I will narrow the ideas down to the top 5 "ideas" and file a patent on one of the ideas. I will describe the idea with new terms, e.g. a piece of toast will be a "slightly browned organic compound" or even, MU-MIMO being DIDO etc. The reason for choosing one of the five ideas and not disclosing which one before the patent is granted is to ensure that the USPTO does not get wise on our scheme and decline the patent. 3) I will obviously keep all the posts and ideas etc and when the patent is granted, we can compare. 4) Unfortunately this will cost money - about $10,000, so if we can get 1,000 engineers/scientist to contribute $10 each to the experiment, we can make an historic point that could well change patent law, patent litigation and the USPTO (and DIDO) forever. So, let me know if you think this is a worthy cause.

MHK_#1
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re: DIDO promises wireless breakthroughs
MHK_#1   7/30/2011 1:54:27 PM
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I am not an expert at all in this wireless technology and standard, 802.xyz. Somehow I could follow datacenter concept in this article. I don’t get how those packets will be filtered inside of handset. If it will be implemented as inventor claimed, it will be another milestone in wireless world. I encourage author to go through steps of other saying. Step 1. It is impossible. Step 2. It is not much different than it has been. Step 3. It was my idea. Good Luck!

MHK_#1
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re: DIDO promises wireless breakthroughs
MHK_#1   7/30/2011 1:52:17 PM
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I am not an expert at all in this wireless technology and standard, 802.xyz. Somehow I could follow datacenter concept in this article. I don’t get how those packets will be filtered inside of handset. If it will be implemented as inventor claimed, it will be another milestone in wireless world. I encourage author to go through steps of other saying. Step 1. It is impossible. Step 2. It is not much different than it has been. Step 3. It was my idea. Good Luck!

bmw_comms
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re: DIDO promises wireless breakthroughs
bmw_comms   7/30/2011 3:16:06 AM
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Isn't CoMP (Coordinated Multipoint transmission) in LTE-Advanced of the same principal as DIDO? It is still a form of MU-MIMO but does not require co-located antennas, in fact, the collaborating base stations can be far apart. One may still argue you may not see 10x improvement since in reality you don't have 10 base stations doing CoMP for 10 mobile users, but this limitation is due mostly to the cellular topology -- the theory states that if you have N antennas, co-located or distributed, transmitting to N users, you will have Nx improvement over a single-antenna link. I am hoping Steve to be more specific on how DIDO is different from general Gaussian broadcasting channel theory, on which MU-MIMO and CoMP are based.

Radu
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re: DIDO promises wireless breakthroughs
Radu   7/30/2011 12:01:47 AM
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The latency is reduced because the users are fed or sampled concurrently instead of using time division multiplex.

ReneCardenas
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re: DIDO promises wireless breakthroughs
ReneCardenas   7/29/2011 8:58:31 PM
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Skeptic that you can reliably share same channel (frequency,space) and recover multiple signals without penalty ( w/o limit bonudaries in sight). Some level of processing may help some trivial discrete number (single digit) but no boundaries in sight per white paper ( more than 10x ???).

old account Frank Eory
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re: DIDO promises wireless breakthroughs
old account Frank Eory   7/29/2011 8:08:32 PM
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Replace every base station with a data center, and maybe this could fly. Now if only the technology existed to put a modern data center in a small box and mount it to a traffic light...

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