Talk:WiMAX MIMO

I believe MIMO WiMAX is a valid entry. What are Wikipedia rules for breaking up articles? The MIMO page brings various other entries together, therefore it can and should stand alone: WiMAX Forum, OFDMA, WiMAX RCT, RFIC, MIMO. This is not an article about OFDMA, WiMAX, or MIMO, or RFIC. It's about a specific variant of general technology in a huge market applied to a very specific type of use. If it were to be joined with any other entry, where would you join it?

• i. WiMAX? WiMAX is NOT about RFIC. Or MIMO. WiMAX is about OFDMA and the mobile handset market. WiMAX is not a technology, 802.16 is.
• ii. MIMO? MIMO in WiMAX has a special language and it's part of an emerging technology that brings OFDMA and MIMO together with RFIC. MIMO is much broader and it's market pervasiveness is thanks to the volumes in mobile handsets.
• iii. Mobile Handset? So then what mobile handset technology would you place it under, CDMA, TDMA, OFDMA?
• iv. IEEE 802.16d? IEEE 802.16e? IEEE 802.16m (new standard in development)? Clearly a base article entry that compares MIMO for WiMAX based on 16e / 16m and any future application is quite useful to a readership that is bound to be confused.

Wikipedia case history should provide some substance to this perspective. Here are some parallels:

• Where would you cover the PC, under "computers" or under "transistor" or under "windows"? None, it has earned it's own spot http://en.wikipedia.org/wiki/Personal_computer
• Then where would you put a specific type of PC, the Laptop? Under PC or MAC? Neither, http://en.wikipedia.org/wiki/Laptop
• Certainly powerful laptops like Apple's PowerBook generation are just a type laptop, right? No, http://en.wikipedia.org/wiki/Desktop_replacement_computer
• And if Sony's laptop is a bit easier to carry around, is not just a small sized laptop? No, it's a whole different device: http://en.wikipedia.org/wiki/Ultraportable

Are these just technology fads that pressure how Wikipedia is structures? Try this one:

• Where would you put Beethoven, under "romantic era" (http://en.wikipedia.org/wiki/Romantic_music) , "Vienna" or under "18th century composers"? No, it's http://en.wikipedia.org/wiki/Beethoven
• What about Beethoven's 9th symphony? Surely that's "too specific"? http://en.wikipedia.org/wiki/Symphony_No._9_%28Beethoven%29 --Notbonbon 17:33, 1 October 2007 (UTC)

Let me have an additional comment which is thank you for your logical explainment. To decide whether good or bad for Wikipedia is simple: whether it is for social cooperation or not. Nobody can not judge it clearly, resulting that it is firstly relying on the uploaded person himself and belive him. JSK 04:43, 3 October 2007 (UTC)

• • Keep - WiMAX's use of MIMO is specific and distinct from the general topic of MIMO. What I would suggest would be to trim some of the MIMO material that is non-specific to WiMAX and enhance the discussion of MIMO's application in WiMAX. There is plenty of justification for this separate specific article, because WiMAX's use of MIMO has many specific aspects (although this should be improved). Brholden 17:27, 1 October 2007 (UTC)
    • Also, the WiMAX article is already over the 30K byte suggested size limit. Further WiMAX-specific material should be added to separate pages like this one. It is certainly too specific to WiMAX to add it to the general MIMO page, thus it should stay separate. Brholden 20:03, 1 October 2007 (UTC)
    • I've also refined the page somewhat to help it focus on "the specific use of MIMO technology in WiMAX". (It still needs improvement.) Brholden 20:03, 1 October 2007 (UTC)

• • Keep - This entry opens up community contributions from a variety of fields and backgrounds: WiMAX, MIMO, RFIC, IEEE, mobile handsets. I suggest adding some more material on specific RFIC challenges for WiMAX applications of IEEE 802.16e that support or enable its MIMO techniques. I also encourage a comparison of MIMO as used in WiFi and 3G. I also suggest retaining the trimmed material (if any) by moving it to the MIMO entry. As written, the text appears quite accessible to a broad readership lacking a specific background in communications (and there still is room improvement). Aryansaed 18:00, 1 October 2007 (UTC)

• • Remove - Unless it is comprised of generous and technical contents so not so small updation seems to be required. (not too much standard issue oriented), until end of December, 2007. JSK 02:48, 2 October 2007 (UTC)
    • There are many wikipedia pages that are almost entirely focused on standards issues such as 10 gigabit Ethernet, PCI Express, Low-voltage differential signaling, Generic Security Services Application Program Interface, Open Shortest Path First, SOAP, Point-to-point tunneling protocol and hundreds more. The essence of this article is how a certain technology is applied in a certain standards oriented setting. Examples of this type of article is Linear predictive coding where the technology of linear prediction is applied to speech coding. The Two-factor authentication article talks about how that technology is applied to several standards-oriented protocols. The Echo cancellation article describes how cancellation technology is applied to several standards. This WiMAX MIMO seems pretty good to me, but of course, every article can be improved. Brholden 05:58, 2 October 2007 (UTC)

• • • In general, articles that explain standards and standards issues are quite valuable because they explain a technology (in this case MIMO with OFDMA for mobile handsets) in the context of science, engineering and application. It should be noted that a standard is not merely an exercise to document an idea conjured by an obscure committee (although I'm sure those exist too!). Rather, it is the result of agreement that balances technical merit against cost, feasibility and applicability. Many standards teach how a technology -while perhaps not an ideal technology- is put to work so that it serves commerce and society. Unfortunately this cannot be said about scientific or engineering ideas in general. Therefore, I'd encourage articles that explain the purpose of a technology as it applies to a specific standard. This is the intent with the WiMAX MIMO article. It puts MIMO right in the spotlight of mobile handsets that use OFDMA technology. Moreover, as a separate entry from WiMAX or MIMO it encourages further contributions from the field of DSP, RF, and network operations by people with a relevant background in mobile WiMAX. Certainly, the article is by no means done or complete. As the application of this emerging technology unfolds we will see refinements evolve that will serve an increasing readerhsip in this area. Aryansaed 16:54, 2 October 2007 (UTC)

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