Cognitive radio is a paradigm for wirelesscommunication in which either a network or a wirelessnode changes its transmission or receptionparameters to communicate efficiently avoiding interference with licensed or unlicensed users. This alteration of parameters is based on the active monitoring of several factors in the external and internal radio environment, such as radio frequency spectrum, user behaviour and network state.
Distinctions are made between Full Cognitive Radio, Spectrum Sensing Cognitive Radio, Licensed Band Cognitive Radio, and Unlicensed Band Cognitive Radio. Not to be confused with Intelligent Antennas.
Everyone is entitled to a dream. It gives us hope, focuses our energy, makes us human.
Sometimes, though, we get sold a dream instead of creating our own.
Is it really every girl's dream to become a princess, to be chosen by someone of royal birth and to have a $34 million wedding? Or is that the Disney-industrial complex betraying you, selling you short?
I just read that the folks who brought us the Mall of America are going to redo the troubled Xanadu shopping complex in New Jersey and rename it The American Dream. Is this the best we can do? Shop?
Dreams are too important to sell cheap, to give over to some organization trying to make a buck.
Catherine Casey chose a different dream–to move to Accra on her own to build an outpost of the Acumen Fund. It's a dream that scales, that pays dividends, and most of all, that she can make come true.
It's so easy to be sold on the combination of compliance, consumption and approval by the powers that be. Of course, you're entitled to any dream you like, but I hope you will choose a bigger one.
Is it just me, or does it appear that we're okay with selling our cyber-soul to China (and Russia), as long as we can also blow tens of billions on US firms pretending to do cyber-security?
Report: Despite status as U.S. security threat, China's Huawei partnering with Symantec
East-Asia-Intel.com, April 27, 2011
The Chinese telecom giant Huawei Technologies, which has been linked to the Chinese military, is working with the U.S. software security giant Symantec, which is engaged in securing hundreds of thousands of U.S. computer systems against outside intrusions, according to a report last week in the Diplomat newsletter.
The report said “China and Russia are leveraging U.S. multinational corporations' economic requirements to accomplish strategic goals that could quite plausibly include covert technology transfer of intellectual property, access to source code for use in malware creation and backdoor access to critical infrastructure.”
Huawei was blocked from buying the U.S. telecom 3Leaf last year by the Committee on Foreign Investment in the United States (CFIUS) and also was blocked in 2008 from buying 3Com over security concerns. The U.S. National Security Agency also stepped in to dissuade AT&T from buying Huawei telephone equipment.
Despite those actions, Huawei formed a joint venture with Symantec in 2007 called Huawei Symantec Technologies Co. Ltd. (HS), the report said. Huawei is the majority partner with 51 percent ownership, with the entity being headquartered in Chengdu, China.
The report said a 2008 report identified HS as developing “China's first laboratory of attack and defense for networks and applications.”
The result is that Symantec is assisting China's cyber development of computer warfare capability.
Phi Beta Iota: The US Government compounds its lack of a strategic analytic model and the requisite integrity to actually pay attention to whatever findings might emerge, with an abysmal inattention to the most basic aspects of counter-intelligence, not just within government, but across the private sector, which does not actually take counter-intelligence seriously either. Creating a Smart and Safe Nation is not difficult–it requires only a uniform commitment to intelligence and integrity across all boundaries.
‘The smallest blocks are that size of an automobile while the biggest reach the size of a truck'
Associated Press, 29 April 2011
QUITO, Ecuador — Ecuador's Tungurahua volcano hurled truck-sized pyroclastic boulders more than a mile Friday in a powerful eruption that prompted at least 300 people to flee their homes, authorities said.
Schools were closed for a third straight day as ash showered down on a dozen towns in the sparsely populated area surrounding the 16,480-foot (5,023-meter) volcano.
Thundering explosions could be heard miles from Tungurahua, which is on the Andes cordillera 84 miles (135 kilometers) southeast of Ecuador's capital, Quito.
Click on Image to Enlarge
A state Geophysics Institute scientist monitoring the volcano from a nearby observation post said by phone that incandescent boulders were landing up to 1.2 miles (2 kilometers) beneath crater level.
Here’s how the U.S. Air Force wants to hunt the next generation of its enemies: A tiny drone sneaks up to a suspect, paints him with an unnoticed powder or goo that allows American forces to follow him everywhere he goes — until they train a missile on him.
On Tuesday, the Air Force issued a call for help making a miniature drone that could covertly drop a mysterious and unspecified tracking “dust” onto people, allowing them to be tracked from a distance. The proposal says its useful for all kinds of random things, from identifying friendly forces and civilians to tracking wildlife. But the motive behind a covert drone tagger likely has less to do with sneaking up on spotted owls and more to do with painting a target on the backs of tomorrow’s terrorists.
A team from Rutgers University is trying tocreate the next generation version of the Internet, dubbed MondoNet, based on a global mesh of wireless access points that would be resistant to surveillance and state censorship and control.
10 Social Specifications for a Democratized Network
their vision is pretty much the same idea that's been discussed here… local community solutions first, then becoming regionally interconnected, then go global. then they point out a lot of projects that are being worked on… i think members from many of those groups are here……. and then they cover some of the legal and regulatory questions that have also been posed here….
i'll reach out to them and see if they want to team up with anyone here already working on this stuff.
