Open Spectrum

WireLess piece of OpenNet: Public Policy of letting chunks of spectrum be used/shared by anyone, rather than generating Monopoly via Spectrum Auction.

http://en.wikipedia.org/wiki/Open_spectrum

Clay Shirky http://www.shirky.com/writings/spectrum_public_good.html

Tom Evslin http://blog.tomevslin.com/2006/09/internet_20_is_.html

the idea that Cooperative Wireless Network-s create more value.

  • Mesh Network?
  • CO-MIMO, also known as Network MIMO (Net-MIMO), or Ad-hoc MIMO, utilizes distributed antennas which belong to other users, while conventional MIMO, i.e., single-user MIMO, only employs antennas belonging to the local terminal. CO-MIMO improves the performance of a wireless network by introducing multiple antenna advantages, such as diversity, multiplexing and beamforming... CO-MIMO is a technique useful for future cellular networks which consider wireless mesh networking or wireless ad-hoc networking. In wireless ad-hoc networks, multiple transmit nodes communicate with multiple receive nodes. To optimize the capacity of Ad-hoc channels, MIMO concepts and techniques can be applied to multiple links between the transmit and receive node clusters. Contrasted to multiple antennas in a single-user MIMO transceiver, participating nodes and their antennas are located in a distributed manner. So, to achieve the capacity of this network, techniques to manage distributed radio resources are essential. Strategies such as autonomous interference cognition, node cooperation, and network coding with dirty paper coding (DPC) have been suggested as solutions to optimize wireless network capacity.

David Reed <http://www.reed.com/dpr/locus/Open Spectrum/>

http://www.acm.org/sigcomm/sigcomm96/papers/shepard.html

WiFi doesn't scale because of the MAC protocol?: http://black.csl.uiuc.edu/~prkumar/ps_files/exp.pdf

Sept'2012: The way spectrum has been licensed by the FCC and other wireless regulators is a relic of the early days of broadcasting... As explained by David Reed, one of the architects of the internet and a former professor of computer science at the Massachusetts Institute of Technology, photons—whether they are in the visible, radio or gamma-ray part of the electromagnetic spectrum—simply pass through one another when they cross paths. As they do not occupy the same space, they cannot cause interference... The only thing that distinguishes one type of photon from another is its frequency—ie, its energy level. Thus, to all intents and purposes, radio and light are the same thing and follow the same laws of physics. Therefore, in licensing frequencies to broadcasters, the FCC is essentially trying to regulate colour, jokes Dr Reed... The rise of “co-operative” wireless networks—where the network architecture organises users in a way that allows them to help one another transmit and receive messages—makes a mockery of ideas about spectrum being as finite as land. Experiments show that as the number of users in a co-operative network increases, its capacity actually rises.


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