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CCCG
2009
14 years 7 months ago
Wireless Localization with Vertex Guards is NP-hard
We consider a special class of art gallery problems inspired by wireless localization. Given a simple polygon P, place and orient guards each of which broadcasts a unique key with...
Tobias Christ, Michael Hoffmann
GLOBECOM
2007
IEEE
15 years 4 months ago
Leader-Based Rate Adaptive Multicasting for Wireless LANs
—Multicasting is useful for various applications such as multimedia broadcasting. In current 802.11, multicast frames are sent as broadcast frames at a low transmission rate with...
Sungjoon Choi, Nakjung Choi, Yongho Seok, Taekyoun...
ACMACE
2005
ACM
15 years 3 months ago
Augmenting digital audio broadcast with rich data
HP Laboratories, GWR, Bristol University, ASL and Panasonic Semiconductor are collaborating to explore the potential of Digital Audio Broadcasting through a series of user trials....
Annelies de Bruine, Huw Jeffries, Erik Geelhoed, R...
TIT
2008
84views more  TIT 2008»
14 years 9 months ago
Optimal Universal Schedules for Discrete Broadcast
In this paper we study the scenario in which a server sends dynamic data over a single broadcast channel to a number of passive clients. We consider the data to consist of discret...
Michael Langberg, Alexander Sprintson, Jehoshua Br...
GLOBECOM
2008
IEEE
15 years 4 months ago
COMB: Cell Based Orientation Aware MANET Broadcast MAC Layer
—The design of a collision avoidance system for trains implies the design of a MAC layer for their specific requirements. It should be efficient, reliable, use broadcast and su...
Cristina Rico Garcia, Andreas Lehner, Thomas Stran...