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University of Urbino
(21 results)-
White Papers
Remote Power Control of Wireless Network Interfaces
January 1, 2010, 12:00am PST
This paper presents a new power management technique aimed at increasing the energy efficiency of client-server multimedia applications running on wireless portable devices. Authors focus on...
Provided by University of Urbino
-
White Papers
Supply Network Strategies An Inquiry Into The Changes In The Italian Mid-Sized Company And Its Supplier Relationships
June 9, 2008, 12:00am PDT
The paper analyzes the changes affecting the supply network strategies of mid-sized Italian companies born and developed leveraging on strong supply network relationships with co-localized actors...
Provided by University of Urbino
-
Whitepapers
Single Carrier Frequency Division Multiple Access (SC-FDMA) for Filter Bank Multicarrier Communication Systems
September 14, 2010, 12:00am PDT
The Third Generation Partnership Project (3GPP) Long Term Evolution (LTE) radio standard has adopted a special form of Orthogonal Frequency Division Multiplexing (OFDM) method for the uplink of...
Provided by University of Urbino
-
Whitepapers
RF-Based Device-Free Localization and Tracking for Ambient Assisted Living
May 18, 2012, 12:00am PDT
Radio Frequency (RF) sensor networks are Wireless Sensor Networks (WSNs) which use only the received signal strength (RSS) to perform tasks such as Device-Free Localization (DFL) and tracking of...
Provided by University of Urbino
-
Whitepapers
Hidden Markov Estimation of Bistatic Range From Cluttered Ultra-Wideband Impulse Responses
January 2, 2012, 12:00am PST
Multi-static radar is used for target detection and tracking in buildings and rooms. Target detection and tracking relies on accurate knowledge of the excess delay of the multipath component which...
Provided by University of Urbino
-
Whitepapers
Channel Sounding for the Masses: Low Complexity GNU 802.11b Channel Impulse Response Estimation
October 7, 2011, 12:00am PDT
New techniques in cross-layer wireless networks are building demand for ubiquitous channel sounding, that is, the capability to measure Channel Impulse Response (CIR) with any standard wireless...
Provided by University of Urbino
-
Whitepapers
Noise Reduction for Variance-Based Device-Free Localization and Tracking
July 7, 2011, 12:00am PDT
Human motion in the vicinity of a wireless link causes variations in the link Received Signal Strength (RSS). Device-Free Localization (DFL) systems, such as Variance-based Radio Tomographic...
Provided by University of Urbino
-
Whitepapers
Detecting Malicious Nodes in RSS-Based Localization
March 20, 2011, 12:00am PDT
Measurements of Received Signal Strength (RSS) on wireless links provide position information in various localization systems, including multi-lateration-based and fingerprint-based positioning...
Provided by University of Urbino
-
Whitepapers
Directed by Directionality: Benefiting From the Gain Pattern of Active RFID Badges
March 21, 2011, 12:00am PDT
Tracking of people via active badges is important for location-aware computing and for security applications. However, the human body has a major effect on the antenna gain pattern of the device...
Provided by University of Urbino
-
Whitepapers
RF Sensor Networks for Device-Free Localization: Measurements, Models and Algorithms
May 30, 2010, 12:00am PDT
The authors discuss the emerging application of device-free localization using wireless sensor networks, which find people and objects in the environment in which the network is deployed, even in...
Provided by University of Urbino
-
Whitepapers
Radio Tomographic Imaging With Wireless Networks
September 10, 2009, 12:00am PDT
Radio Tomographic Imaging (RTI) is an emerging technology for imaging the attenuation caused by physical objects in wireless networks. This paper presents a linear model for using Received Signal...
Provided by University of Urbino
-
Whitepapers
Mobility Assisted Secret Key Generation Using Wireless Link Signatures
August 1, 2009, 12:00am PDT
The authors propose an approach where wireless devices, interested in establishing a secret key, sample the Channel Impulse Response (CIR) space in a physical area to collect and combine...
Provided by University of Urbino
-
Whitepapers
Parameter Derivation of Type-2 Discrete-Time Phase-Locked Loops Containing Feedback Delays
June 10, 2009, 12:00am PDT
Modern implementations of Discrete-Time Phase-Locked Loops (DT-PLLs) often contain delayed feedback. The delays are usually a side effect to pipelining, filtering, or other inner-loop mechanisms....
Provided by University of Urbino
-
Whitepapers
Cross Layer Multirate Adaptation Using Physical Capture
January 1, 2012, 12:00am PST
In this paper, to improve the performance of multi-hop wireless networks, the authors explore a CROss layer Multi-rate Adaptation scheme (they call it CROMA) that uses the phenomenon of physical...
Provided by University of Urbino
-
Whitepapers
Regularization Methods for Radio Tomographic Imaging
April 22, 2009, 12:00am PDT
Radio Tomographic Imaging (RTI) is a method for imaging the attenuation of physical objects within areas surrounded by wireless radios. RTI uses Received Signal Strength (RSS) measurements that...
Provided by University of Urbino
-
Whitepapers
Location Distinction in a MIMO Channel
April 20, 2009, 12:00am PDT
Location distinction is defined as determining when a device has changed its position. Previous work has shown that a wireless network can be exploited to successfully perform location distinction...
Provided by University of Urbino
-
Whitepapers
High Rate Uncorrelated Bit Extraction for Shared Secret Key Generation From Channel Measurements
May 5, 2009, 12:00am PDT
Secret keys can be generated and shared between two wireless nodes by measuring and encoding radio channel characteristics without ever revealing the secret key to an eavesdropper at a third...
Provided by University of Urbino
-
Whitepapers
Effects of Correlated Shadowing: Connectivity, Localization, and RF Tomography
February 10, 2008, 12:00am PST
Unlike current models for radio channel shadowing indicate, real-world shadowing losses on different links in a network are not independent. The correlations have both detrimental and beneficial...
Provided by University of Urbino
-
Whitepapers
Nesh: A Joint Shadowing Model for Links in a Multi-Hop Network
February 18, 2008, 12:00am PST
Accurate analysis and simulation in multi-hop (sensor, ad hoc, and mesh) networks requires accurate representation of physical layer fading processes. Current models either ignore fading or assume...
Provided by University of Urbino
-
Whitepapers
Breathfinding: A Wireless Network that Monitors and Locates Breathing in a Home
February 15, 2013, 12:00am PST
In this paper, the authors explores using RSS measurements on many links in a wireless network to estimate the breathing rate of a person, and the location where the breathing is occurring, in a...
Provided by University of Urbino
-
White Papers
Ouverture De 'Marketing Channels And Global Markets'
January 7, 2011, 12:00am PST
The current global economic crisis has dramatically modified mass consumption, reducing purchases of basic products such as cars, food, clothing, books and toys. With a closer look, however, a...
Provided by University of Urbino
-
Whitepapers
Breathfinding: A Wireless Network that Monitors and Locates Breathing in a Home
February 15, 2013, 12:00am PST
In this paper, the authors explores using RSS measurements on many links in a wireless network to estimate the breathing rate of a person, and the location where the breathing is occurring, in a...
Provided by University of Urbino
-
Whitepapers
Nesh: A Joint Shadowing Model for Links in a Multi-Hop Network
February 18, 2008, 12:00am PST
Accurate analysis and simulation in multi-hop (sensor, ad hoc, and mesh) networks requires accurate representation of physical layer fading processes. Current models either ignore fading or assume...
Provided by University of Urbino
-
Whitepapers
Effects of Correlated Shadowing: Connectivity, Localization, and RF Tomography
February 10, 2008, 12:00am PST
Unlike current models for radio channel shadowing indicate, real-world shadowing losses on different links in a network are not independent. The correlations have both detrimental and beneficial...
Provided by University of Urbino
-
Whitepapers
High Rate Uncorrelated Bit Extraction for Shared Secret Key Generation From Channel Measurements
May 5, 2009, 12:00am PDT
Secret keys can be generated and shared between two wireless nodes by measuring and encoding radio channel characteristics without ever revealing the secret key to an eavesdropper at a third...
Provided by University of Urbino
-
Whitepapers
Location Distinction in a MIMO Channel
April 20, 2009, 12:00am PDT
Location distinction is defined as determining when a device has changed its position. Previous work has shown that a wireless network can be exploited to successfully perform location distinction...
Provided by University of Urbino
-
Whitepapers
Regularization Methods for Radio Tomographic Imaging
April 22, 2009, 12:00am PDT
Radio Tomographic Imaging (RTI) is a method for imaging the attenuation of physical objects within areas surrounded by wireless radios. RTI uses Received Signal Strength (RSS) measurements that...
Provided by University of Urbino
-
Whitepapers
Cross Layer Multirate Adaptation Using Physical Capture
January 1, 2012, 12:00am PST
In this paper, to improve the performance of multi-hop wireless networks, the authors explore a CROss layer Multi-rate Adaptation scheme (they call it CROMA) that uses the phenomenon of physical...
Provided by University of Urbino
-
Whitepapers
Parameter Derivation of Type-2 Discrete-Time Phase-Locked Loops Containing Feedback Delays
June 10, 2009, 12:00am PDT
Modern implementations of Discrete-Time Phase-Locked Loops (DT-PLLs) often contain delayed feedback. The delays are usually a side effect to pipelining, filtering, or other inner-loop mechanisms....
Provided by University of Urbino
-
Whitepapers
Mobility Assisted Secret Key Generation Using Wireless Link Signatures
August 1, 2009, 12:00am PDT
The authors propose an approach where wireless devices, interested in establishing a secret key, sample the Channel Impulse Response (CIR) space in a physical area to collect and combine...
Provided by University of Urbino
-
Whitepapers
Radio Tomographic Imaging With Wireless Networks
September 10, 2009, 12:00am PDT
Radio Tomographic Imaging (RTI) is an emerging technology for imaging the attenuation caused by physical objects in wireless networks. This paper presents a linear model for using Received Signal...
Provided by University of Urbino
-
Whitepapers
RF Sensor Networks for Device-Free Localization: Measurements, Models and Algorithms
May 30, 2010, 12:00am PDT
The authors discuss the emerging application of device-free localization using wireless sensor networks, which find people and objects in the environment in which the network is deployed, even in...
Provided by University of Urbino
-
Whitepapers
Directed by Directionality: Benefiting From the Gain Pattern of Active RFID Badges
March 21, 2011, 12:00am PDT
Tracking of people via active badges is important for location-aware computing and for security applications. However, the human body has a major effect on the antenna gain pattern of the device...
Provided by University of Urbino
-
Whitepapers
Detecting Malicious Nodes in RSS-Based Localization
March 20, 2011, 12:00am PDT
Measurements of Received Signal Strength (RSS) on wireless links provide position information in various localization systems, including multi-lateration-based and fingerprint-based positioning...
Provided by University of Urbino
-
Whitepapers
Noise Reduction for Variance-Based Device-Free Localization and Tracking
July 7, 2011, 12:00am PDT
Human motion in the vicinity of a wireless link causes variations in the link Received Signal Strength (RSS). Device-Free Localization (DFL) systems, such as Variance-based Radio Tomographic...
Provided by University of Urbino
-
Whitepapers
Channel Sounding for the Masses: Low Complexity GNU 802.11b Channel Impulse Response Estimation
October 7, 2011, 12:00am PDT
New techniques in cross-layer wireless networks are building demand for ubiquitous channel sounding, that is, the capability to measure Channel Impulse Response (CIR) with any standard wireless...
Provided by University of Urbino
-
Whitepapers
Hidden Markov Estimation of Bistatic Range From Cluttered Ultra-Wideband Impulse Responses
January 2, 2012, 12:00am PST
Multi-static radar is used for target detection and tracking in buildings and rooms. Target detection and tracking relies on accurate knowledge of the excess delay of the multipath component which...
Provided by University of Urbino
-
Whitepapers
RF-Based Device-Free Localization and Tracking for Ambient Assisted Living
May 18, 2012, 12:00am PDT
Radio Frequency (RF) sensor networks are Wireless Sensor Networks (WSNs) which use only the received signal strength (RSS) to perform tasks such as Device-Free Localization (DFL) and tracking of...
Provided by University of Urbino
-
Whitepapers
Single Carrier Frequency Division Multiple Access (SC-FDMA) for Filter Bank Multicarrier Communication Systems
September 14, 2010, 12:00am PDT
The Third Generation Partnership Project (3GPP) Long Term Evolution (LTE) radio standard has adopted a special form of Orthogonal Frequency Division Multiplexing (OFDM) method for the uplink of...
Provided by University of Urbino
-
White Papers
Ouverture De 'Marketing Channels And Global Markets'
January 7, 2011, 12:00am PST
The current global economic crisis has dramatically modified mass consumption, reducing purchases of basic products such as cars, food, clothing, books and toys. With a closer look, however, a...
Provided by University of Urbino
-
White Papers
Supply Network Strategies An Inquiry Into The Changes In The Italian Mid-Sized Company And Its Supplier Relationships
June 9, 2008, 12:00am PDT
The paper analyzes the changes affecting the supply network strategies of mid-sized Italian companies born and developed leveraging on strong supply network relationships with co-localized actors...
Provided by University of Urbino
-
White Papers
Remote Power Control of Wireless Network Interfaces
January 1, 2010, 12:00am PST
This paper presents a new power management technique aimed at increasing the energy efficiency of client-server multimedia applications running on wireless portable devices. Authors focus on...
Provided by University of Urbino
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