RADAR: an in-building RF-based user location and tracking system
- P. Bahl, V. Padmanabhan
- Computer ScienceProceedings IEEE INFOCOM . Conference on Computer…
- 26 March 2000
RADAR is presented, a radio-frequency (RF)-based system for locating and tracking users inside buildings that combines empirical measurements with signal propagation modeling to determine user location and thereby enable location-aware services and applications.
MAUI: making smartphones last longer with code offload
- Eduardo Cuervo, A. Balasubramanian, P. Bahl
- Computer ScienceACM SIGMOBILE International Conference on Mobile…
- 15 June 2010
MAUI supports fine-grained code offload to maximize energy savings with minimal burden on the programmer, and decides at run-time which methods should be remotely executed, driven by an optimization engine that achieves the best energy savings possible under the mobile device's current connectivity constrains.
The Case for VM-Based Cloudlets in Mobile Computing
- M. Satyanarayanan, P. Bahl, R. Cáceres, N. Davies
- Computer ScienceIEEE pervasive computing
- 1 October 2009
The results from a proof-of-concept prototype suggest that VM technology can indeed help meet the need for rapid customization of infrastructure for diverse applications, and this article discusses the technical obstacles to these transformations and proposes a new architecture for overcoming them.
A rate-adaptive MAC protocol for multi-Hop wireless networks
- G. Holland, N. Vaidya, P. Bahl
- Computer ScienceACM/IEEE International Conference on Mobile…
- 16 July 2001
This paper presents a rate adaptive MAC protocol called the Receiver-Based AutoRate (RBAR) protocol, based on the RTS/CTS mechanism, which can be incorporated into many medium access control protocols including the widely popular IEEE 802.11 protocol.
SSCH: slotted seeded channel hopping for capacity improvement in IEEE 802.11 ad-hoc wireless networks
- P. Bahl, R. Chandra, John Dunagan
- Business, Computer ScienceACM/IEEE International Conference on Mobile…
- 26 September 2004
A link-layer protocol called Slotted Seeded Channel Hopping, or SSCH, is presented that increases the capacity of an IEEE 802.11 network by utilizing frequency diversity and uses a novel scheme for distributed rendezvous and synchronization.
Distributed fair scheduling in a wireless LAN
- N. Vaidya, Anurag Dugar, Seema Gupta, P. Bahl
- Business, Computer ScienceIEEE Transactions on Mobile Computing
- 1 August 2000
Simulation results show that the proposed algorithm is able to schedule transmissions such that the bandwidth allocated to different flows is proportional to their weights.
A multi-radio unification protocol for IEEE 802.11 wireless networks
- A. Adya, P. Bahl, J. Padhye, A. Wolman, Lidong Zhou
- Computer ScienceFirst International Conference on Broadband…
- 25 October 2004
The results show that under dynamic traffic patterns with realistic topologies, MUP significantly improves both TCP throughput and user perceived latency for realistic workloads.
Augmenting data center networks with multi-gigabit wireless links
- D. Halperin, Srikanth Kandula, J. Padhye, P. Bahl, D. Wetherall
- Computer ScienceConference on Applications, Technologies…
- 15 August 2011
This paper explores the use of 60 GHz wireless technology to relieve hotspots in oversubscribed data center (DC) networks and presents a design that uses DC traffic levels to select and adds flyways to the wired DC network.
Low Latency Geo-distributed Data Analytics
- Qifan Pu, G. Ananthanarayanan, I. Stoica
- Computer ScienceConference on Applications, Technologies…
- 17 August 2015
Iridium is presented, a system for low latency geo-distributed analytics that achieves low query response times by optimizing placement of both data and tasks of the queries and contains a knob to budget WAN usage.
Mobility modeling, location tracking, and trajectory prediction in wireless ATM networks
- Tong Liu, P. Bahl, I. Chlamtac
- Computer Science, BusinessIEEE J. Sel. Areas Commun.
- 1 August 1998
A hierarchical user mobility model is developed that closely represents the movement behavior of a mobile user and that, when used with appropriate pattern matching and Kalman filtering techniques, yields an accurate location prediction algorithm, HLP, or hierarchical location prediction, which provides necessary information for advance resource reservation and advance optimal route establishment in wireless ATM networks.
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