Massachusetts Institute of Technology

Collaborative Network Security in Multi-Tenant Data Center for Cloud Computing

White Papers · May 2014 · Provided By Massachusetts Institute of Technology

Data center is the infrastructure of supporting Internet service. Cloud computing is rapidly changing the face of Web Internet service infrastructure, enabling even small organizations to quickly create Web and mobile applications for millions of users by taking advantage of the scale and flexibility of the shared physical infrastructures provided...

Opportunistic Scheduling with Limited Channel State Information: A Rate Distortion Approach

White Papers · Apr 2014 · Provided By Massachusetts Institute of Technology

The authors consider an opportunistic communication system in which a transmitter selects one of multiple channels over which to schedule a transmission, based on partial knowledge of the network state. They characterize a fundamental limit on the rate that channel state information must be conveyed to the transmitter in order...

Scheduling in Networks with Time-Varying Channels and Reconfiguration Delay

White Papers · Jan 2012 · Provided By Massachusetts Institute of Technology

The authors consider the optimal control problem for networks subjected to time-varying channels, reconfiguration delays, and interference constraints. They model the network by a graph consisting of nodes, links, and a set of link interference constraints, where based on the current network state, the controller decides either to stay with...

Controlled Mobility in Stochastic and Dynamic Wireless Networks

White Papers · Mar 2011 · Provided By Massachusetts Institute of Technology

The authors consider the use of controlled mobility in wireless networks where messages arriving randomly in time and space are collected by mobile receivers (collectors). The collectors are responsible for receiving these messages via wireless communication by dynamically adjusting their position in the network. Their goal is to utilize a...

Joint Scheduling of Rate-Guaranteed and Best-Effort Users over aWireless Fading Channel

White Papers · Feb 2007 · Provided By Massachusetts Institute of Technology

The authors address multi-user scheduling over the downlink channel in wireless data systems. Specifically, they consider a time-slotted system with a single transmitter serving multiple users, where the channel condition of each user is time varying. Based on the throughput requirements, the user set is divided into two classes throughput...