13 Resources for

university of southern california

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Evaluation of 802.11a for Streaming Data in Ad-Hoc Networks: Advances in communication and processing have made ad-hoc networks of wireless devices a reality. One application is home entertainment systems where multiple Home-to-Home (H2O) devices collaborate as peers to stream audio and video clips to a household. This paper investigates the feasibility of IEEE 802.11a protocol in combination with both...; Tags: University Of Southern California, IEEE 802.11, Network, Home Entertainment, Wireless LANs, Wi-Fi, Tcp/Ip, Wireless, Networking, Personal Technology; White papers
Communications Technology and Urban Governance Reform: Project Highlights: The NSF Digital Government program promotes important multidisciplinary research that combines social scientific evaluation of governance reform with an analysis of technological impacts. This project has helped identify the manner in which the dynamics of governance reform dictate technological development and the types of technologies that are useful for supporting...; Tags: University Of Southern California, Governance, NSF Digital Government Program; White papers
Experimental Analysis of Concurrent Packet Transmissions in Wireless Sensor Networks: This paper undertakes a systematic experimental study to analyze the effects of concurrent packet transmissions in wireless sensor networks. As expected, the measurements confirm that guaranteeing successful packet reception with high probability requires that the signal to interference plus noise ratio exceed a critical threshold. It also confirms that groups...; Tags: University Of Southern California, Threshold, Network, Radio, Sensor, Analysis, Wireless, Advertising & Promotion, Marketing; White papers
Emulating an Embedded Firewall: The Adventium Labs Embedded Distributed Firewall provides a simple interface for securely managing approved network flows between computers on a network. A "Conversation" manager provides a simple interface for managing flows, defining the connections authorized between nodes on a network. These policies are enforced in hardware embedded in the network...; Tags: University Of Southern California, Emulation, Network, Node, Adventium Labs Embedded Distributed Firewall, Firewalls, Networking, Productivity; White papers 2007-08-10
Cross Layer Adaptive Control for Wireless Mesh Networks: This paper investigates optimal routing and adaptive scheduling in a wireless mesh network composed of mesh clients and mesh routers. The mesh clients are power constrained mobile nodes with relatively little knowledge of the overall network topology. The mesh routers are stationary wireless nodes with higher transmission rates and more...; Tags: University Of Southern California, Network, Mobility, Mesh Networking, Wi-Fi, Wireless, Networking; White papers 2007-08-01

Predicting the Performance of Mobile Ad Hoc Networks Using Scaled-Down Replicas: Experimentation with mobile ad hoc network testbeds is preferred to simulations for performing high fidelity testing. But, at the same time, realistic experimentation with large-scale network testbeds is more difficult, time-consuming, and expensive. To side- step some of these problems several researchers, have recently suggested experimentation on scaled-down replicas and...; Tags: University Of Southern California, Performance, Mobile, Network, Experimentation, Replica, Advertising & Promotion, Networking, Marketing; White papers 2007-01-29
Optimal Backpressure Routing for Wireless Networks With Multi-Receiver Diversity: This paper considers the problem of optimal scheduling and routing in an ad-hoc wireless network with multiple traffic streams and time varying channel reliability. Each packet transmission can be overheard by a subset of receiver nodes, with a transmission success probability that may vary from receiver to receiver and may...; Tags: University Of Southern California, Network, Wireless Network, Networking, Wireless; White papers 2006-10-01
Protecting Public Servers From DDoS Attacks Using Drifting Overlays: Drifting Overlays are dynamic partial network-layer overlays with traffic 'Safe houses' that enterprises can use to control, at fine granularity, the reachability and predictability of paths taken to important hosts. Drifting Overlays enable enterprises a level of control over their own Distributed Denial of Service DDoS defenses and routing choices,...; Tags: University Of Southern California, Server, Distributed Denial Of Service, Internet Service Providers (ISPs), Security, Internet; White papers 2006-09-12
Delay Analysis and Comparison of OFDM-TDMA and OFDMA Under IEEE 802.16 QoS Framework: The delay analysis and comparison of OFDM-TDMA and OFDMA using a flow control scheme under the QoS framework of IEEE 802.16 are conducted in the work discussed in this paper. The paper investigates the maximum packet delay performance by deriving delay bounds for several multiaccess modes with different subcarrier/time-slot assignment...; Tags: University Of Southern California, Performance, Allocation, IEEE 802.16, Scheme, Analysis, OFDMA, WiMAX, Performance Management, Wireless, Human Resources, Workforce Management; White papers 2006-07-22
On Nodal Encounter Patterns in Wireless LAN Traces: This paper explains WLAN traces from five different sources and focuses on investigation of encounter patterns between users. The authors find that typical wireless LAN users encounter with a small portion of the whole population (no more than 60% in all traces, and on average between 1:88% to 6:70%). Total...; Tags: University Of Southern California, WLAN, Trace, LANs, Wireless LANs, Wi-Fi, Wireless, Networking; White papers 2006-02-21
Municipal Wi-Fi Networks: The Goals, Practices, and Policy Implications of the U.S. Case: This paper explores three broad questions about municipal Wi-Fi networks in the U.S.: why are cities getting involved, how do they go about deploying these networks, and what policy issues does this new trend raise? To explain municipal involvement, the paper points out that cities have both the means to...; Tags: University Of Southern California, Network, Municipal Wi-Fi, Wi-Fi Network, Business Model, Networking; White papers 2005-11-22
Generalization of Single-Carrier and Multicarrier Cyclic Prefixed Communication: This paper describes a cyclic prefixed communication structure that is a generalization of both the Orthogonal Frequency-Division Multiplexing OFDM system and the Cyclic Prefixed Single-Carrier (CP-SC) system. By exploiting the fact that a Circulant Matrix CM is also a Block Circulant Matrix BCM, the proposed Generalized Cyclic Prefixed GCP communication...; Tags: University Of Southern California, Generalization, Allocation, OFDM, Wireless; White papers 2005-09-01
MStream: Position-Aware Mobile Music Streaming: Wireless networks are increasingly pervasive in many commercial and business environments. Additionally, many portable computing devices now have built-in wireless networking support. With these trends users are entering a new era of mobile computing and entertainment. This paper introduces an application named MStream for mobile handheld devices such as PDAs....; Tags: University Of Southern California, Aware, Streaming Audio, Mobile, Network, Music, MStream, PDAs, Web Technology, Advertising & Promotion, Handhelds, Wi-Fi, Wireless, Networking, Hardware, Marketing; White papers 2005-05-14

Additional Resources

Design and Implementation of a Real Time GPS Network for the Metropolitan Water District of Southern California: The Metropolitan Water District MWD of Southern California, in collaboration with the Scripps Orbit and Permanent Array Center SOPAC at University of California, San Diego, has undertaken the design and implementation of a 30-station Real Time GPS Network RTN. MWDRTN is currently in the final field installation stage first phase...; Tags: Southern California, Network, MWDRTN, GIS, GPS, Networking, Software, Consumer Electronics, Personal Technology; White papers 2006-05-24
Southern University Firewall Policy: Network Security Services NSS, a department of Technology and Network Services, operates a firewall to enhance security between the Internet and the Southern University network to establish a reliable network for the Universities computer and network resources. The Firewall is a key component of the Southern University network security architecture....; Tags: Network, Firewalls, Network Security, Networking, Security; White papers 2006-11-01
Southern California University Turns Back Denial of Service Attacks With TippingPoint Intrusion Prevention Systems: Deploying its first network in 1999 brought University of Redlands a lot more than connectivity to support its 5,000 faculty, students and staff. It also triggered the onset of crippling Denial of Service DoS attacks that compromised the Southern California liberal arts and sciences institution's academic research and communications. With...; Tags: Intrusion prevention, intrusion prevention system, TippingPoint Technologies, 3Com Corp., Southern California, denial of service, network, firewall, information technology, security; Case studies 2006-10-20
Cal State University Uses WebDemo to Remotely 'Show and Tell' Tech Support Solutions to Faculty and Staff: California State University, San Bernardino CSUSB is the sole public regional university serving the Riverside and San Bernardino counties of Southern California. The university realized that help desk personnel are often called on to explain the "nuts and bolts" of PC fixes to non-technical callers. These fixes burn valuable time...; Tags: University, San Bernardino, Inter-Tel Inc., Help Desk, Call Centers, Smb/Sme, Tools & Techniques, It Operations, Management; Case studies
Dell Helps Missouri Southern State University Bring the World to Students: Missouri Southern State University has grown to 5,500 students and more than 500 faculty and staff members. The university depends on up-to-date technology to help its students develop a far-reaching understanding of the world. The University wanted to upgrade from a mainframe computer that handled the university's academic and administrative...; Tags: Dell Computer Corp., University, Missouri Southern State University, Mainframes, Servers, Hardware; Case studies 2006-05-09
Line Clearing GIS Mapping Project: Southern California Edison SCE manages line clearing for safety, reliability, and regulatory purposes. Fire prevention is important in Southern California, and SCE uses GIS as a tool to combat the risk of wildfire. In an effort to identify riparian habitat areas, SCE turned to GIS and Integrated Spatial Solutions Incorporated...; Tags: Southern California Edison, GIS, Software; Case studies
IRS warns of a new e-mail scam: South California?Did the scam actually refer to them as the South California wildfires? That should be a trigger right there since the region's most common moniker is Southern California.; Tags: Larry the Security Guy, e-mail, South California, Internal Revenue Service; Discussion threads 2007-11-06

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