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Indian Institute of Technology Bombay
(117 results)-
White Papers
Denial of Service & Distributed Denial of Service Attacks
November 20, 2007, 12:00am PST
Denial of Service attacks aims to overwhelm a server or a network in order to paralyze its normal activity. Today, most organisations provide services over the internet hence an attack which...
Provided by Indian Institute of Technology Bombay
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White Papers
Data Mining: Understanding Data and Disease Modeling
January 1, 2009, 12:00am PST
Analyzing large data sets requires proper understanding of the data in advance. This would help domain experts to influence the data mining process and to properly evaluate the results of a data...
Provided by Indian Institute of Technology Bombay
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White Papers
A MAC-Aware Energy Efficient Reliable Transport Protocol for Wireless Sensor Networks
December 20, 2008, 12:00am PST
In a Wireless Sensor Network (WSN), interesting events are reported to the sink by the sensors in a distributed manner. Applications running at the sink require certain reliability in terms of...
Provided by Indian Institute of Technology Bombay
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White Papers
netscout - Adaptive Network Monitoring and Threat Countering Mechanism
June 6, 2009, 12:00am PDT
Networks have policies in place to in order to en-sure efficient and fair resource utilization and protection of network installations. An effective monitoring and countering mechanism needs a...
Provided by Indian Institute of Technology Bombay
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White Papers
Security Issues in Mobile Payment Systems
December 21, 2007, 12:00am PST
The national exchequer, the banking industry and regular citizens all incur a high overhead in using physical cash. Electronic cash and cell phone-based payment in particular is a viable...
Provided by Indian Institute of Technology Bombay
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White Papers
Secure Mobile Payments
November 24, 2008, 12:00am PST
This paper is the final report for the course project on secure mobile payments. It starts with an introduction and continues in chapter 2 with a specification of the payment domain, the involved...
Provided by Indian Institute of Technology Bombay
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White Papers
Efcient Data Management on Lightweight Computing Devices
January 1, 2010, 12:00am PST
Lightweight computing devices are becoming ubiquitous and an increasing number of applications are being developed for these devices. Many applications deal with a significant amount of data and...
Provided by Indian Institute of Technology Bombay
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White Papers
Cross Layer based Congestion Control in Wireless Networks
January 1, 2010, 12:00am PST
In this paper, the authors discuss a cross layer congestion control technique of TCP Reno-2 in wireless networks. In this both TCP layer and PHY layer jointly control congestion. The PHY layer...
Provided by Indian Institute of Technology Bombay
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White Papers
XSpace - A Tuple Space for XML & Its Application in Orchestration of Web Services
January 1, 2010, 12:00am PST
Today's extended enterprise calls for the integration of several disparate systems built using multiple technologies and executing across firewall boundaries. The integration is usually done in...
Provided by Indian Institute of Technology Bombay
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White Papers
Conversion of Java Applets Animations to Java MIDlets
August 24, 2009, 12:00am PDT
Java applets are used in e-learning, mainly for creating animations. Many leading educational and professional organizations have large repositories of animations, created using Java applets which...
Provided by Indian Institute of Technology Bombay
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White Papers
Distributed Apportioning Based Reachability Analysis of Concurrent Java Programs
January 1, 2010, 12:00am PST
Reachability analysis is an important and well-known tool for static analysis of critical properties in concurrent programs, such as freedom from deadlocks. Direct application of traditional...
Provided by Indian Institute of Technology Bombay
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White Papers
Pothole Detection and Warning System Using Wireless Sensor Networks
October 21, 2008, 12:00am PDT
This position paper aims at proposing a novel Pothole Detection System which assists the driver in avoiding potholes on the roads, by giving prior warnings. The architectural design further...
Provided by Indian Institute of Technology Bombay
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White Papers
PTC : Proxies That Transcode and Cache in Heterogeneous Web Client Environments
January 1, 2011, 12:00am PST
Advances in computing and communication technologies have resulted in a wide variety of networked mobile devices that access data over the Internet. In this paper, the authors argue that servers...
Provided by Indian Institute of Technology Bombay
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White Papers
Algorithms and Approaches of Proxy Signature: A Survey
February 1, 2008, 12:00am PST
Digital signature is a cryptographic means through which the authenticity, data integrity and senders non-repudiation can be verified. Typically, digital signature of a document is a piece of...
Provided by Indian Institute of Technology Bombay
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White Papers
Link Scheduling in STDMA Wireless Networks: A Line Graph Approach
December 11, 2007, 12:00am PST
A prevalent scheme for spatial reuse in wireless networks is Spatial Time Division Multiple Access (STDMA), in which time is divided into fixed-length slots that are organized cyclically. An STDMA...
Provided by Indian Institute of Technology Bombay
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White Papers
Proxy Signature Scheme With Effective Revocation Using Bilinear Pairings
December 19, 2007, 12:00am PST
The authors present a proxy signature scheme using bilinear pairings that provides effective proxy revocation. The scheme uses a binding-blinding technique to avoid secure channel requirements in...
Provided by Indian Institute of Technology Bombay
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White Papers
On Distributed Computation in Noisy Random Planar Networks
December 25, 2007, 12:00am PST
The authors consider distributed or 'In-Network' computation of functions of sensing data in sensor networks in two dimensions. The sensor nodes collect sensing data and communicate with other...
Provided by Indian Institute of Technology Bombay
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White Papers
An Autonomous Distributed Admission Control Scheme for IEEE 802.11 DCF
May 19, 2007, 12:00am PDT
Admission control as a mechanism for providing QoS requires an accurate description of the requested flow as well as already admitted flows. Since 802.11 WLAN capacity is shared between flows...
Provided by Indian Institute of Technology Bombay
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White Papers
A Channel Coding Perspective of Recommendation Systems
January 13, 2009, 12:00am PST
Recommender systems are commonly used to suggest content (movies, books, etc.) that is relevant to a given buyer. The most common approach is to predict the rating that a potential buyer might...
Provided by Indian Institute of Technology Bombay
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White Papers
Trapdoor one way functions associated with exponentiation
March 15, 2011, 12:00am PDT
This paper shows that if exponentiation b = Xk in groups of finite field units or B = [k]X in elliptic curves is considered as encryption of X with exponent k treated as symmetric key, then the...
Provided by Indian Institute of Technology Bombay
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White Papers
Estimating Network Link Characteristics Using Packet-Pair Dispersion: A Discrete Time Queueing Theoretic View
November 18, 2009, 12:00am PST
Packet-dispersion based measurement tools insert pairs of probe packets with a known separation into the network for transmission over a unicast path or a multicast tree. Samples of the separation...
Provided by Indian Institute of Technology Bombay
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White Papers
Analyzing Fine-Grained Hypertext Features for Enhanced Crawling and Topic Distillation
January 1, 2011, 12:00am PST
Early Web search engines closely resembled Information Retrieval (IR) systems which had matured over several decades. Around 1996 - 1999, it became clear that the spontaneous formation of...
Provided by Indian Institute of Technology Bombay
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White Papers
Static Program Partitioning for Embedded Processors
January 1, 2011, 12:00am PST
Modern processors have a small on-chip local memory for instructions. Usually it is in the form of a cache but in some cases it is an addressable memory. In the paper, the user is required to...
Provided by Indian Institute of Technology Bombay
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White Papers
A Practical Perspective on the Design and Implementation of Enterprise Integration Solution to Improve QoS Using SAP NetWeaver Platform
March 12, 2010, 12:00am PST
Most of the enterprise operations require information from several systems within and outside the enterprises. The past few years have seen explosive growth in direct program to program...
Provided by Indian Institute of Technology Bombay
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Whitepapers
Analysis of Blocking Probability in a Relay-Based Cellular OFDMA Network
October 16, 2012, 12:00am PDT
Relay deployment in Orthogonal Frequency Division Multiple Access (OFDMA) based cellular networks helps in coverage extension and/or capacity improvement. In OFDMA system, each user requires...
Provided by Indian Institute of Technology Bombay
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Whitepapers
Real Slepian-Wolf Codes
January 1, 2012, 12:00am PST
The authors provide a novel achievability proof of the Slepian-Wolf theorem for i.i.d. sources over finite alphabets. They demonstrate that random codes that are linear over the real field achieve...
Provided by Indian Institute of Technology Bombay
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Whitepapers
Buffer-Based Channel Dependent Uplink Scheduling in Relay-Assisted LTE Networks
March 12, 2012, 12:00am PDT
The authors consider the problem of UpLink (UL) scheduling in relay-assisted Long Term Evolution (LTE) networks and propose a Buffer-based Channel dependent Scheduler (BCS) for the same. Their...
Provided by Indian Institute of Technology Bombay
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Whitepapers
On Achieving Marton's Region for Broadcast Channel Using Feedback
December 8, 2010, 12:00am PST
The authors consider a two user Discrete Memoryless Broadcast Channel (DMBC) with perfect feedback from both the receivers. The best known achievable region for the general DMBC without feedback...
Provided by Indian Institute of Technology Bombay
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Whitepapers
Effective Data Association Scheme for Tracking Closely Moving Targets Using Factor Graphs
December 6, 2010, 12:00am PST
Effectiveness of tracking closely moving targets depends on the capability to resolve the ambiguity in associating measurements-to-tracks. Joint Probabilistic Data Association (JPDA) has been...
Provided by Indian Institute of Technology Bombay
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Whitepapers
Azimuth-Dependent Spatialization for a Teleconference Audio Display
December 5, 2010, 12:00am PST
This paper proposes a novel scheme for the spatial rendition of audio in a teleconferencing situation. Several researchers have examined and established that there is a substantial improvement in...
Provided by Indian Institute of Technology Bombay
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Whitepapers
Acoustic Features for Detection of Aspirated Stops
December 13, 2010, 12:00am PST
Aspiration is an important phonemic feature in several Indian languages. Unlike English, languages such as Marathi have lexicons in which words with different meanings differ only in the...
Provided by Indian Institute of Technology Bombay
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Whitepapers
RF Energy Harvesting System From Cell Towers in 900MHz Band
December 21, 2010, 12:00am PST
An experimental RF energy harvesting system to harvest energy from cell towers is presented in this paper. An electromagnetically-coupled square microstrip antenna is designed and fabricated for...
Provided by Indian Institute of Technology Bombay
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Whitepapers
Proportionally Fair Resource Allocation in Multi-Rate WLANs
December 4, 2010, 12:00am PST
Since IEEE has standardized 802.11 protocol for WLANs, significant work has been done in developing rate adaptation algorithms. Most of the rate adaptation algorithms proposed till now are...
Provided by Indian Institute of Technology Bombay
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Whitepapers
Improving the Consistency of Vocal Tract Shape Estimation
December 7, 2010, 12:00am PST
Estimation of the vocal tract shape has applications in articulatory synthesis, speech recognition, and speech-training aids. LPC based analysis can be used to obtain the vocal tract shape during...
Provided by Indian Institute of Technology Bombay
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Whitepapers
Extensions to Orthogonal Matching Pursuit for Compressed Sensing
December 7, 2010, 12:00am PST
Compressed Sensing (CS) provides a set of mathematical results showing that sparse signals can be exactly reconstructed from a relatively small number of random linear measurements. A particularly...
Provided by Indian Institute of Technology Bombay
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Whitepapers
Exact Error Analysis for the Piecewise Linear Combiner for Decode and Forward Cooperation with Two Relays
December 9, 2010, 12:00am PST
Exact expressions are obtained for the Bit Error Rate (BER) for coherent and non-coherent Decode and Forward (DF) cooperative systems with two relays. The Piecewise Linear (PL) combiner, a close...
Provided by Indian Institute of Technology Bombay
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Whitepapers
Performance Analysis of Active Handoff in CDMA2000 Femtocells
December 24, 2009, 12:00am PST
Cellular operators are developing femtocells to improve network coverage for indoor users. But in current CDMA systems, heavy reuse of PN codes among femtocells causes ambiguity in choosing the...
Provided by Indian Institute of Technology Bombay
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Whitepapers
A Class of Time-Frequency Product Optimized Biorthogonal Wavelet Filter Banks
December 30, 2009, 12:00am PST
The analysis of non-stationary signals involves a trade-off in the sense that one has to sacrifice time localization in order to achieve better frequency localization and vice versa. If the...
Provided by Indian Institute of Technology Bombay
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Whitepapers
Coding Gain Optimized Finite Impulse Response(FIR) Paraunitary(PU) Filter Banks
December 18, 2009, 12:00am PST
Filter bank optimization for coding gain maximization for given input statistics has been well studied before. Principal Component Filter Banks (PCFB) have proven to be optimal whenever the...
Provided by Indian Institute of Technology Bombay
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Whitepapers
Trajectory and surface modeling of LSF for low rate speech coding
December 23, 2009, 12:00am PST
In low rate speech coders, frame-based speech spectral parameters, represented by Line Spectral Frequencies (LSF), are typically encoded by vector quantization without exploiting explicitly the...
Provided by Indian Institute of Technology Bombay
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Whitepapers
Symbiotic Cognitive Relaying with Mobile Secondary Nodes in Cognitive Radio Networks
December 18, 2012, 12:00am PST
In a Symbiotic Cognitive Relaying (SCR) scenario, Secondary User (SU) nodes can act as multi-hop relays to assist communication between Primary User (PU) nodes in the case of a weak direct link....
Provided by Indian Institute of Technology Bombay
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Whitepapers
EMBANKS: Towards Disk Based Algorithms for Keyword-Search in Structured Databases
April 22, 2011, 12:00am PDT
In recent years, there has been a lot of interest in the field of keyword querying relational databases. A variety of systems such as DBXplorer, Discover and ObjectRank have been proposed. Another...
Provided by Indian Institute of Technology Bombay
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Whitepapers
On the Bounds of Separability in Sensor Networks
January 20, 2010, 12:00am PST
A pair of target locations is separable if sensor observations can distinguish between the following choices: no targets are present, one target is present at either of the locations or a target...
Provided by Indian Institute of Technology Bombay
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Whitepapers
Broadband Reactively Coupled E-Shaped Microstrip Antennas
December 30, 2009, 12:00am PST
The broadband microstrip antennas are realized by cutting the resonant slots of quarter wave in length on the edges of the patch or half wave in length inside the patch. The broadband E-shaped...
Provided by Indian Institute of Technology Bombay
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Whitepapers
Trajectory and surface modeling of LSF for low rate speech coding
December 23, 2009, 12:00am PST
In low rate speech coders, frame-based speech spectral parameters, represented by Line Spectral Frequencies (LSF), are typically encoded by vector quantization without exploiting explicitly the...
Provided by Indian Institute of Technology Bombay
-
Whitepapers
Coding Gain Optimized Finite Impulse Response(FIR) Paraunitary(PU) Filter Banks
December 18, 2009, 12:00am PST
Filter bank optimization for coding gain maximization for given input statistics has been well studied before. Principal Component Filter Banks (PCFB) have proven to be optimal whenever the...
Provided by Indian Institute of Technology Bombay
-
Whitepapers
A Class of Time-Frequency Product Optimized Biorthogonal Wavelet Filter Banks
December 30, 2009, 12:00am PST
The analysis of non-stationary signals involves a trade-off in the sense that one has to sacrifice time localization in order to achieve better frequency localization and vice versa. If the...
Provided by Indian Institute of Technology Bombay
-
Whitepapers
Performance Analysis of Active Handoff in CDMA2000 Femtocells
December 24, 2009, 12:00am PST
Cellular operators are developing femtocells to improve network coverage for indoor users. But in current CDMA systems, heavy reuse of PN codes among femtocells causes ambiguity in choosing the...
Provided by Indian Institute of Technology Bombay
-
Whitepapers
Exact Error Analysis for the Piecewise Linear Combiner for Decode and Forward Cooperation with Two Relays
December 9, 2010, 12:00am PST
Exact expressions are obtained for the Bit Error Rate (BER) for coherent and non-coherent Decode and Forward (DF) cooperative systems with two relays. The Piecewise Linear (PL) combiner, a close...
Provided by Indian Institute of Technology Bombay
-
Whitepapers
Extensions to Orthogonal Matching Pursuit for Compressed Sensing
December 7, 2010, 12:00am PST
Compressed Sensing (CS) provides a set of mathematical results showing that sparse signals can be exactly reconstructed from a relatively small number of random linear measurements. A particularly...
Provided by Indian Institute of Technology Bombay
-
Whitepapers
Improving the Consistency of Vocal Tract Shape Estimation
December 7, 2010, 12:00am PST
Estimation of the vocal tract shape has applications in articulatory synthesis, speech recognition, and speech-training aids. LPC based analysis can be used to obtain the vocal tract shape during...
Provided by Indian Institute of Technology Bombay
-
Whitepapers
Proportionally Fair Resource Allocation in Multi-Rate WLANs
December 4, 2010, 12:00am PST
Since IEEE has standardized 802.11 protocol for WLANs, significant work has been done in developing rate adaptation algorithms. Most of the rate adaptation algorithms proposed till now are...
Provided by Indian Institute of Technology Bombay
-
Whitepapers
RF Energy Harvesting System From Cell Towers in 900MHz Band
December 21, 2010, 12:00am PST
An experimental RF energy harvesting system to harvest energy from cell towers is presented in this paper. An electromagnetically-coupled square microstrip antenna is designed and fabricated for...
Provided by Indian Institute of Technology Bombay
-
Whitepapers
Acoustic Features for Detection of Aspirated Stops
December 13, 2010, 12:00am PST
Aspiration is an important phonemic feature in several Indian languages. Unlike English, languages such as Marathi have lexicons in which words with different meanings differ only in the...
Provided by Indian Institute of Technology Bombay
-
Whitepapers
Azimuth-Dependent Spatialization for a Teleconference Audio Display
December 5, 2010, 12:00am PST
This paper proposes a novel scheme for the spatial rendition of audio in a teleconferencing situation. Several researchers have examined and established that there is a substantial improvement in...
Provided by Indian Institute of Technology Bombay
-
Whitepapers
Effective Data Association Scheme for Tracking Closely Moving Targets Using Factor Graphs
December 6, 2010, 12:00am PST
Effectiveness of tracking closely moving targets depends on the capability to resolve the ambiguity in associating measurements-to-tracks. Joint Probabilistic Data Association (JPDA) has been...
Provided by Indian Institute of Technology Bombay
-
Whitepapers
On Achieving Marton's Region for Broadcast Channel Using Feedback
December 8, 2010, 12:00am PST
The authors consider a two user Discrete Memoryless Broadcast Channel (DMBC) with perfect feedback from both the receivers. The best known achievable region for the general DMBC without feedback...
Provided by Indian Institute of Technology Bombay
-
Whitepapers
Buffer-Based Channel Dependent Uplink Scheduling in Relay-Assisted LTE Networks
March 12, 2012, 12:00am PDT
The authors consider the problem of UpLink (UL) scheduling in relay-assisted Long Term Evolution (LTE) networks and propose a Buffer-based Channel dependent Scheduler (BCS) for the same. Their...
Provided by Indian Institute of Technology Bombay
-
Whitepapers
Real Slepian-Wolf Codes
January 1, 2012, 12:00am PST
The authors provide a novel achievability proof of the Slepian-Wolf theorem for i.i.d. sources over finite alphabets. They demonstrate that random codes that are linear over the real field achieve...
Provided by Indian Institute of Technology Bombay
-
Whitepapers
Analysis of Blocking Probability in a Relay-Based Cellular OFDMA Network
October 16, 2012, 12:00am PDT
Relay deployment in Orthogonal Frequency Division Multiple Access (OFDMA) based cellular networks helps in coverage extension and/or capacity improvement. In OFDMA system, each user requires...
Provided by Indian Institute of Technology Bombay
-
Whitepapers
On Throughput Performance of Decode and Forward Cooperative Relaying With Packet Combining and ARQ
May 1, 2012, 12:00am PDT
Cooperative Diversity can be used by wireless nodes to take the benefit of broadcast nature and inherent spatial diversity of wireless channel to relay messages for each others. This helps to...
Provided by Indian Institute of Technology Bombay
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White Papers
Energy Harvesting Sensor Nodes: Survey and Implications
December 19, 2008, 12:00am PST
Sensor networks with battery-powered nodes can seldom simultaneously meet the design goals of lifetime, cost, sensing reliability and sensing and transmission coverage. Energy-harvesting,...
Provided by Indian Institute of Technology Bombay
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White Papers
Capturing Task and Dependency Aspects in Agent Oriented Requirement Specifications
January 31, 2008, 12:00am PST
A method of capturing task and dependency aspects in an agent oriented requirements methodology based on Formal Tropos is presented. The emphasis is on capturing functional aspects in formal...
Provided by Indian Institute of Technology Bombay
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White Papers
Automated Tagging to Enable Fine-Grained Browsing of Lecture Videos
June 21, 2011, 12:00am PDT
Many universities offer distance learning by recording classroom lectures and making them accessible to remote students over the Internet. A university's repository usually contains hundreds of...
Provided by Indian Institute of Technology Bombay
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White Papers
Censor Networks: A Critique of "Sensor Networks" From a Systems Perspective
July 1, 2008, 12:00am PDT
This paper presents a critique of the field of "Wireless Sensor Networks (WSNs)". Literature in this domain falls into two main, distinct categories: algorithms or protocols, and...
Provided by Indian Institute of Technology Bombay
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White Papers
PerfCenter: A Methodology and Tool for Performance Analysis of Application Hosting Centers
August 15, 2007, 12:00am PDT
The authors present a tool, PerfCenter that takes as input the deployment, configuration, message flow and workload details of the hardware and software servers in an application hosting center,...
Provided by Indian Institute of Technology Bombay
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White Papers
Adaptive Admission Control for Web Applications With Variable Capacity
May 14, 2009, 12:00am PDT
The system capacity available to a multi-tier Web based application is often a dynamic quantity. Most static threshold-based overload control mechanisms are best suited to situations where the...
Provided by Indian Institute of Technology Bombay
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White Papers
Feedback Based Distributed Admission Control in 802.11 WLANs
July 28, 2009, 12:00am PDT
A distributed Connection Admission Control (CAC) scheme where stations independently admit or reject flows based on channel utilization threshold is easy to implement for WLANs. However, owing to...
Provided by Indian Institute of Technology Bombay
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White Papers
Delay Contained: Scheduling Voice Over Multi-Hop Multi-Channel Wireless Mesh Networks
September 28, 2010, 12:00am PDT
In this paper, the authors consider the goal of scheduling the maximum number of voice calls in a TDMA-based multi-radio, multi-channel mesh network. One of main challenges to achieve this goal is...
Provided by Indian Institute of Technology Bombay
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White Papers
On the Usage of FDLs in Optical Parallel Transmission to Support High Speed Ethernet
December 6, 2011, 12:00am PST
Parallel transmission in the optical layer can enable a scalable network migration from low speed interfaces to high speed serial interfaces, such as 100Gbps Ethernet, as they become available. It...
Provided by Indian Institute of Technology Bombay
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White Papers
Quantitative Synthesis for Concurrent Programs
April 22, 2011, 12:00am PDT
The authors present an algorithmic method for the quantitative, performance-aware synthesis of concurrent programs. The input consists of a non-deterministic partial program and of a parametric...
Provided by Indian Institute of Technology Bombay
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White Papers
Reachability of Safe State for Online Update of Concurrent Programs
March 5, 2010, 12:00am PST
Online update helps in reducing the maintenance downtime by applying a patch to a running process. To avoid the errors that can arise due to an online update, existing online update solutions...
Provided by Indian Institute of Technology Bombay
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White Papers
Discrete Rate Scheduling for Power Efficient Transmission Over Wireless Link
January 1, 2011, 12:00am PST
While scheduling transmissions in a wireless communications system can result in significant power savings, a realistic scheduling scheme must take into acvount practical constraints that apply to...
Provided by Indian Institute of Technology Bombay
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White Papers
Entropy-Optimal Generalized Token Bucket Regulator
January 1, 2011, 12:00am PST
The authors derive the maximum entropy of a flow (information utility) which conforms to traffic constraints imposed by a generalized token bucket regulator, by taking into account the side...
Provided by Indian Institute of Technology Bombay
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White Papers
On Cross Layer Congestion Control for CDMA-Based Ad-Hoc Networks
December 16, 2007, 12:00am PST
The authors investigate a cross layer congestion control technique for TCP Reno-2 (NewReno) in CDMA-based wireless ad-hoc networks in which both TCP layer and PHY layer jointly control congestion....
Provided by Indian Institute of Technology Bombay
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White Papers
An Indexing Scheduler for Delay Constrainted Scheduling With Applications to IEEE 802.16
September 30, 2007, 12:00am PDT
The authors consider the problem of scheduling users on the downlink of a Time Division Multiplexed (TDM) system with constraints on the average packet delays over a fading wireless channel. Their...
Provided by Indian Institute of Technology Bombay
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White Papers
SQ-AODV: A Novel Energy-Aware Stability-Based Routing Protocol for Enhanced QoS in Wireless Ad-Hoc Networks
September 15, 2008, 12:00am PDT
The authors propose a novel, energy-aware, routing protocol for Quality-of-Service (QoS) support in an infrastructure-less ad-hoc network. Their Stability-based, QoS-capable Ad-hoc On-demand...
Provided by Indian Institute of Technology Bombay
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White Papers
Power Optimal Signaling for Fading Multi-Access Channel in Presence of Coding Gap
February 27, 2009, 12:00am PST
The authors consider a Gaussian multi-access fading channel with perfect Channel Side Information (CSI) at the transmitters and the receiver. This models many important practical systems including...
Provided by Indian Institute of Technology Bombay
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White Papers
Scheduling With Limited Information in Wireless Systems
November 29, 2008, 12:00am PST
Opportunistic scheduling is a key mechanism for improving the performance of wireless systems. However, this mechanism requires that transmitters are aware of channel conditions (or CSI, Channel...
Provided by Indian Institute of Technology Bombay
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White Papers
Diversity Combining and Packet Size Adaptation for Maximizing Throughput of ARQ Protocols in AWGN and Fading Channel
July 21, 2009, 12:00am PDT
Multi-hop wireless network based on IEEE 802.11 Wi-Fi technology has emerged as a cost effective solution for accessing cellular networks or the Internet from the remote rural areas of the...
Provided by Indian Institute of Technology Bombay
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