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ICASSP
2011
IEEE
14 years 10 months ago
On optimal channel training for uplink network MIMO systems
We study a multi-cell frequency-selective fading uplink channel from K user terminals (UTs) to B base stations (BSs). The BSs, assumed to be oblivious of the applied encoding sche...
Jakob Hoydis, Mari Kobayashi, Mérouane Debb...
EDBT
2011
ACM
225views Database» more  EDBT 2011»
14 years 10 months ago
On (not) indexing quadratic form distance by metric access methods
The quadratic form distance (QFD) has been utilized as an effective similarity function in multimedia retrieval, in particular, when a histogram representation of objects is used...
Tomás Skopal, Tomás Bartos, Jakub Lo...
CANDC
2011
ACM
14 years 6 months ago
Distributed creative cognition in digital filmmaking
This paper reports on an empirical study that uses a Grounded Theory approach to investigate the creative practices of Machinima filmmakers. Machinima is a new digital film produc...
Nicholas Davis, Boyang Li, Brian O'Neill, Mark Rie...
TON
2012
13 years 9 months ago
Opportunistic Spectrum Access in Multiple-Primary-User Environments Under the Packet Collision Constraint
—Cognitive Radio (CR) technology has great potential to alleviate spectrum scarcity in wireless communications. It allows secondary users (SUs) to opportunistically access spectr...
Eric Jung, Xin Liu
ICC
2007
IEEE
161views Communications» more  ICC 2007»
16 years 1 months ago
Optimizing Multiplayer Gaming Protocols for Heterogeneous Network Environment
— The paper is concerned with a novel adaptive game server protocol optimization to combat network latencies in the case of heterogeneous network environment. In this way, game p...
Zsolt Kenesi, Gábor Kiss, János Leve...