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A team of Columbia Engineering researchers has invented a technology—full-duplex radio integrated circuits (ICs)—that can be implemented in nanoscale CMOS to enable simultaneous transmission and reception at the same frequency in a wireless radio. Up to now, this has been thought to be impossible: transmitters and receivers either work at different times or at the same time but at different frequencies. The Columbia team, led by Electrical Engineering Associate Professor Harish Krishnaswamy, is the first to demonstrate an IC that can accomplish this. The researchers presented their work at the International Solid-State Circuits Conference (ISSCC) in San Francisco on February 25.
“This is a game-changer,” says Krishnaswamy, director of the Columbia high-Speed and Mm-wave IC (CoSMIC) Lab. “By leveraging our new technology, networks can effectively double the frequency spectrum resources available for devices like smartphones and tablets.”
http://engineering.columbia.edu/new-technology-may-double-radio-frequency-data-capacity-0
(Score: -1, Offtopic) by Anonymous Coward on Thursday March 19 2015, @11:01AM
Should sexist opensource developers have their projects cencored or removed?
Recently an opensource game release story was removed due to the game developer's open sexism(0) and harrasment(1) of women in tech.
A story posted by the editor of the popular Phoronix linux news site about a release of an Open Source videogame was later manually removed(2). The reason cited was the game developer's unacceptable views on social issues such as gender equality (3).
The release story was titled "Xonotic-Forked ChaosEsqueAnthology Sees New Release - Phoronix" and can be accessed via the google cache(4).
With the recent inclusion of a code of conduct(5) for those wishing to contribute to the Linux Kernel some questions now need to be asked and answered about the inclusion of code from people who are known to engage in or promote socially unacceptable attitudes or harrasments of those whom the free-software movement would prefer to attract in their place:
* Are the social or political views of an author of free software relevant to that software's inherent quality?
* Should the beliefs of an opensource developer weigh when when evaluating whether a piece of opensource software is worthy of any publicity or public notice?
* Should men with unpopular or "forbidden" views be excised from the opensource movement and "not allowed" to contribute, in a manner similar to that which is done in employment?
* Has the free/opensource software movement changed in these respects since its founding? If so is this a positive change?
* Should there be gatekeepers to opensource that decide who may and who may not contribute. Should abusive developers be "blackballed" to maintain proper social order and controls?
and
* What are the consequences of not doing this
Citations:
(0) Past related incident: http://esr.ibiblio.org/?p=1310 [ibiblio.org]
(1) http://geekfeminism.wikia.com/wiki/Debian_and_LinuxChix_harassment_by_MikeeUSA [wikia.com]
(2) Removed story URL: http://www.phoronix.com/scan.php?page=news_item&px=ChaosEsqueAnthology-Rel-51 [phoronix.com]
(3) http://www.phoronix.com/forums/showthread.php?115776-Xonotic-Forked-ChaosEsqueAnthology-Sees-New-Release/page2 [phoronix.com]
"Fortunately, the article has been removed now."
"Thanks everybody for speaking up."
(4) https://webcache.googleusercontent.com/search?q=cache:JeCIgSFrBlgJ:http://www.phoronix.com/scan.php?page%3Dnews_item%26px%3DChaosEsqueAnthology-Rel-51%2Bchaosesque&gbv=1&tbs=qdr:w&hl=en&&ct=clnk [googleusercontent.com]
(5) Linux "Code of Conflict"
(Score: -1, Offtopic) by Anonymous Coward on Thursday March 19 2015, @11:09AM
What would you do
If you were asked to give up your dreams for freedom
What would you do
If asked to make the ultimate sacrifice
Would you think about all them people
Who gave up everything they had
Would you think about all them War Vets
And would you start to feel bad
Freedom isn't free
It costs folks like you and me
And if we don't all chip in
We'll never pay that bill
Freedom isn't free
No, there's a hefty fuckin' fee
And if you don't throw in your buck 'o five
Who will?
What would you do
If someone told you to fight for freedom
Would you answer the call
Or run away like a little pussy
'Cause the only reason that you're here
Is 'cause folks died for you in the past
So maybe now it's your turn
To die kicking some ass
Freedom isn't free
It costs folks like you and me
And if we don't all chip in
We'll never pay that bill
Freedom isn't free
No, there's a hefty fuckin' fee
And if you don't throw in your buck 'o five
Who will?
You don't throw in your buck 'o five
Who will?
Oo, buck 'o five
Freedom costs a buck 'o five
(Score: 2) by hendrikboom on Thursday March 19 2015, @01:54PM
This might have been better submitted as an article.
(Score: 0) by Anonymous Coward on Thursday March 19 2015, @05:08PM
But how will we grow our own 'hosts' guy? We need that sort of thing every other post. To be sure to run others off :)