626 search results - page 24 / 126 » Power Control for User Cooperation |
JSAC
2008
13 years 9 months ago
2008
Abstract-- In this paper, we examine the uplink of a cooperative CDMA network, where users cooperate by relaying each other's messages to the base station. When spreading wave...
TEI
2010
ACM
14 years 4 months ago
2010
ACM
A human-powered user interface device sources its power from the physical effort required to operate it. This paper describes a technique by which a geared DC motor and a simple c...
JMLR
2008
13 years 9 months ago
2008
Many complex control problems require sophisticated solutions that are not amenable to traditional controller design. Not only is it difficult to model real world systems, but oft...
MCETECH
2009
Springer
14 years 4 months ago
2009
Springer
Access control rules are currently administered by highly qualified personnel. Thus, the technical barrier that specialized access control languages represent naturally prevents th...
CHI
2006
ACM
14 years 10 months ago
2006
ACM
We explore how the placement of control widgets (such as menus) affects collaboration and usability for co-located tabletop groupware applications. We evaluated two design alterna...