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Browsing Conference proceedings by Title

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Browsing Conference proceedings by Title

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  • RRQR based closed-form blind carrier offset estimator for OFDM systems
    Qasaymeh, M.M.; Nizar, T.; Hiren, G.; Sawan, M. Edwin; Pendse, Ravi (IEEE, 2009-05-25)
    Carrier Frequency Offset (CFO) is one of the major drawbacks of the Multi Carrier Modulation (MCM) technique. Blind, semiblind and data-aided techniques have been introduced to estimate the CFO. In this paper, a new blind ...
  • Scalable QoS provisioning for mobile networks using wireless sensors
    Bahety, V.; Pendse, Ravi (IEEE, 2004-03-21)
    In the past few years support for mobility has increased to a large extent. Mobile IP enables nodes to move from one network to the other while maintaining the same IP address. Minimal packet loss during handoff is a ...
  • Security in multi-tenancy cloud
    Jasti, Amarnath; Shah, Payal; Nagaraj, Rajeev; Pendse, Ravi (IEEE, 2010-10-05)
    Cloud computing creates exciting opportunities like reduced costs and flexibility to the users. It also comprises of some risks like data security within the cloud. Several common security threats like data leakage, insecure ...
  • Selective prefetching: prefetching when only required
    Pendse, Ravi; Katta, H. (IEEE, 1999)
    Cache memories are commonly used to reduce the number of slower lower-level memory accesses, thereby improving the memory hierarchy performance. However, high cache miss-ratio can severely degrade system performance. It ...
  • Self-learning ad-hoc routing protocol
    Best, Patricia K.; Gundeti, S.; Pendse, Ravi (IEEE, 2003-10-06)
    As the technologies for ad-hoc networks emerge, an ad-hoc routing protocol that can supply connectivity to mobile devices while utilizing a minimal amount of bandwidth as overhead becomes increasingly important. Minimal ...
  • Semiblind multiuser MIMO channel estimators using PM and RRQR methods
    Pendse, Ravi; Hiren, G.; Sawan, M. Edwin; Qasaymeh, M.M.; Nizar, T. (IEEE, 2009-05-11)
    Estimating the channel state information (CSI) of several transmitters that use orthogonal space-time block codes (OSTBC) to communicate with a single receiver is considered. Based on rank revealing QR (RRQR) factorization ...
  • Statistical estimation of route expiry times in on-demand ad hoc routing protocols
    Arbindi, Srividya; Namuduri, Kameswara; Pendse, Ravi (IEEE, 2005-11-07)
    On-demand routing protocols discover routes only when the source node has a packet to send to the destination. These protocols cache previously discovered routes in order to reduce the routing overheads as well as to ...
  • Study of mobile IP module in OPNET network simulator
    Jasti, Amarnath; Thanthry, Nagaraja; Pendse, Ravi (2004-08)
  • Study of PSTN circuit switched model in OPNET
    Bhagavathula, Ravi; Thanthry, Nagaraja; Hardikar, K.; Pendse, Ravi (OPNETWORK 2002, 2002-08)
    VoIP is an emerging technology aimed at leveraging the benefits offered by an IP network for both voice and data transmission. The integration of voice and data traffic onto a single network is led by a demand for multi-service ...
  • Subspace based blind CFO estimation for OFDM by exploiting used carriers
    Hiren, G.; Qasaymeh, M.M.; Tayem, N.; Pendse, Ravi; Sawan, M. Edwin (IEEE, 2009-03-30)
    Orthogonal frequency division multiplexing (OFDM) is a promising technique to handle impairments of multipath channel. Alternatively, one of its major drawbacks is the drift in reference carrier, which is known as carrier ...
  • SVSS: An intelligent video surveillance system for aircraft
    Thanthry, Nagaraja; Emmuadi, Indira P.; Srikumar, Aravind; Namuduri, Kameswara; Pendse, Ravi (IEEE, 2007-10-21)
    Safety and security are the most discussed topics in the aviation field. Latest security initiatives in the field of aviation propose the aircraft carriers to implement video surveillance within the aircraft at strategic ...
  • TCP state-based service differentiation in wireless network
    Gorde, S.; Thanthry, Nagaraja; Pendse, Ravi (OPNETWORK 2003, 2003-08)
    In traditional computer networks, service differentiation is done based on application flows. This results in high packet loss for low priority traffic flows. If the low priority flows are TCP based applications then the ...
  • Teaching an undergraduate class vs. graduate class: is there a difference?
    Pendse, Ravi; Johnson, Everett L. (IEEE, 1996-11-06)
    During the past few years, prior to obtaining his doctorate, the first author had considerable experience and success teaching several undergraduate courses in digital system design. The observation that the courses were ...
  • Teaching techniques-what works for me
    Pendse, Ravi (1994-03)
  • Teaching VHDL- trials and tribulations
    Pendse, Ravi (1997-04)
  • Teaching with OPNET: WSU’s experiences
    Bhagavathula, Ravi; Thanthry, Nagaraja; Sambaari, A.; Pendse, Ravi (OPNETWORK 2002, 2002-08)
    Wichita State University is been offering many courses in the field of networking. Apart from gaining knowledge about different networking concepts, students at WSU get a chance to design and configure a live network using ...
  • Time delay estimator for frequency hopping system using rank-revealing triangular factorization
    Hiren, G.; Tayem, N.; Pendse, Ravi; Sawan, M. Edwin (IEEE, 2009-04-26)
    In this paper, the multipath time delay estimation (TDE) problem for a slow frequency hopping (SFH) system using rank revealing QR factorization method (RRQR) is considered. It gives precious information about numerical ...
  • Timing analysis of block replacement algorithms on disk caches
    Rajamoni, R.; Bhagavathula, Ravi; Pendse, Ravi (IEEE, 2000)
    Cache memories are used to reduce the memory latency in systems. While instruction references of a CPU exhibit high temporal and spatial locality, disk references exhibit very minimal temporal and spatial locality. Owing ...
  • A traffic engineering approach employing genetic algorithms over MPLS networks
    Pendse, Ravi; Wanichworananat, N. (Wichita State University, 2003-09)
    In conventional IP networks, packets are routed along the shortest path based on a static link-cost metric. This shortest-path routing approach such as in RIP, EIGRP, and OSPF works well; however, under heavy loads, it can ...
  • Transport of flight critical data over Internet protocol
    Ragothaman, Vijay; Baloch, Fariha; Pendse, Ravi (IEEE, 2005-10-30)
    The growth of the Internet in recent times can be attributed to people's need to access information quickly. This, combined with the need to provide seamless connectivity to mobile users, has led to the development of ...

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