white spaces


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white spaces

(1) For generic white spaces, see white space.

(2) For spaces between TV channels, see TV white spaces and White Spaces Coalition.
References in periodicals archive ?
In the 1970s, manufacturers of wireless microphones began to adapt their equipment to operate in this white space. Most systems operated in the top of the spectrum (700 megahertz), because it provided the best sound quality.
MORE ABOUT 'WHITE SPACE' FROM THE RBR+TVBR ARCHIVES:
Microsoft's TV white spaces initiative has attracted opposition from broadcasters, who argue the computing giant has circumvented the conventional process for securing access to airwaves.
As a starting point, 12 TV white spaces pilot projects are planned to be put up for 12 different states within the next 12 months.
Carolyn Finney's (UC Berkeley) Black Faces, White Spaces critiques the absence of African Americans from mainstream environmental narratives and movements.
By identifying the "white space" within categories and responding accordingly, retailers could help ensure continued growth on the private brand front.
When the FCC established spectrum for broadcast television in the late 1940s, the analog technology of transmission and reception required television channels of 6 MHz each, and another 6 MHz of spectrum between active channels, so that the noisy transmitters and receivers of the day would not interfere with each other, creating a so-called white space. Currently, television receivers and transmitters are much better at eliminating out-of-band interference, so this white space is no longer necessary to prevent interference.
In spectrum leasing, the SUs negotiate with PUs and acquire their white spaces [6], while the PUs lease their channels and receive rewards in the form of monetary gain or network performance enhancement through packet forwarding by SUs [7].
Fortune Mgwili-Sibanda, public policy manager for Google South Africa, explained: "During the trial, we will attempt to show that broadband can be offered over white spaces without interfering with licensed spectrum holders.
Mahonen, "Improving coverage prediction for primary multitransmitter networks operating in the TV white spaces," 9th Annual IEEE Communication Society Conference on Sensor, Mesh and Adhoc Communication and Networks (SECON), 547-555, 2012.
The Cambridge TV White Spaces Consortium, which comprises international and UK technology and media companies, announced on Wednesday that it has successfully demonstrated the potential of television white spaces.