Browsing ETD: Electronic Theses and Dissertations by Author "Namboodiri, Vinod"
Now showing items 1-20 of 26
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A flexible application layer approach to data aggregation
Stanton, Andrew Chandler (Wichita State University, 2014-07)Data aggregation techniques traditionally utilize cross-layer optimizations, which prove challenging to implement and are applicable only to a few related scenarios, while each new scenario requires a new approach. Proposed ... -
Accounting of energy consumption from Wi-Fi interface in portable devices
Jadhav, Shraddha (Wichita State University, 2010-12)Various reports about greenhouse emissions over the past decade have raised the global consciousness regarding worldwide energy consumption in various arenas. The time has come to adopt energy-efficient methods in all ... -
Algorithms and frameworks towards sensing data in smart cities
Das, Uddipan (Wichita State University, 2020-05)The concept of smart cities (SCs) has been evolved in recent years in gaining signi cant importance for intelligent development and sustainable socio-economic growth of cities. The wide use of information and communication ... -
Beacon deployment guide: A study on bluetooth low energy beacon infrastructure setup for indoor way-finding
Sharma, Anup (Wichita State University, 2019-07)With the recent technological advancement in providing exploratory and navigational aids to individuals, especially people with visual impairments, in an indoor area, usage of different kind of markers at Point-of-Interest ... -
Beacon-based wayfinding for people with disabilities
Cheraghi, Seyed Ali (Wichita State University, 2019-07)There are currently few options for navigational aids for people with disabilities, specially those who are the blind and visually impaired (BVI) in indoor spaces and around buildings. Indoor environments can be geographically ... -
Capacity analysis and data concentration for smart grid communication networks at the power distribution level
Karimi, Babak (Wichita State University, 2014-12)The "smart grid" generally refers to a class of digital technology that allows for two-way communication between the electric power utility and its customers, as well as sensing along the transmission and distribution ... -
Design and implementation of a remote assistance application for persons with visual impairments
Nagaraj, Varsha (Wichita State University, 2021-07)Individuals who are Blind or Visually Impaired (BVI) confront numerous problems when completing regular duties or exploring new places. Getting assistance from strangers is not always desirable in such situations. With ... -
Enabling smart cities through data management in mobile devices and smart grids
Cherusola Dev, Vishnu (Wichita State University, 2017-07)Smart city is an emerging concept which encompasses technological, human and institu- tional factors. It harnesses a lot of information from different sources and bring it to people through information and communication ... -
Energy implications of various VoIP codecs in portable devices
Naeem, Muhammad (Wichita State University, 2011-05)Today, most portable devices, e.g., cell phones, PDAs, and laptops are Wi-Fi capable. Users can make efficient use of these devices by running various applications, including Voice over Internet Protocol (VoIP) to make ... -
Energy-efficiency analysis of cooperative sensing schemes in ad hoc WLAN cognitive radios
Syeda, Reshma Sultana (Wichita State University, 2011-12)Wi-Fi has become a ubiquitous wireless technology in a relatively short period of time. Each of us has a wireless gadget competing for the Wi-Fi bandwidth and thus has to compromise on the data speeds in order to share the ... -
Experimental evaluation of 802.11e quality of service in a large-scale network
Chung, Pui See (Wichita State University, 2010-08)IEEE 802.11e is a fairly recent amendment to the IEEE 802.11 WLAN standard that supports quality of service (QoS) (or service differentiation) based on medium-access control (MAC) and contention-based channel access. While ... -
An experimental study of EPCglobal class-1 generation-2 anti-collision protocol for RFID systems
De Silva, M. H. Maheesha H. (Wichita State University, 2010-08)Radio frequency identification (RFID) is used to identify, track, and manage tagged animate or inanimate objects automatically using wireless communication technology. RFID is similar to existing barcode identification, ... -
GuideCall: affordable and trustworthy video call-based remote assistance for people with visual impairments
Ravindran, Naveen Mukundan (Wichita State University, 2019-05)Blind and Visually Impaired (BVI) individuals often face many challenges while performing daily tasks or exploring new places. Assistive technologies can help a BVI individual to be independent by addressing some of these ... -
I-ALOHA: intelligent ALOHA protocol for efficient RFID tag reading
Alavi, Khubaib Ahmad (Wichita State University, 2011-05)Radio-Frequency Identification (RFID) has made a revolutionary mark in identifying and tracking number of different industry objects, which has reduced the manual tracking to much higher extent. The key problem which is ... -
Impact of calling locations on energy consumption of VoIP over wireless LAN
Devalla, Aashish Raj (Wichita State University, 2009-12)Currently there are a wide range of applications for mobile devices. However, mobile devices with an inbuilt wireless interface card are known to have very small operating life. Energy plays a vital role especially for the ... -
Implementation of a channel selection algorithm using cognitive radios
Cabrejos, David (Wichita State University, 2011-05)With the increase of wireless devices, the wireless spectrum is becoming overloaded causing users to experience delays and performance degradation. Typically, a device will start transmitting data on a frequency and ... -
Implementation of secure Home Area Network in a smart grid
Mohapatra, Surya Narayan (Wichita State University, 2011-12)A smart gird improves reliability and efficiency of the power network by actively engaging with customers. Increasing demand for energy, availability of untapped renewable energy, and an aging electric grid infrastructure ... -
Measurement of energy consumption in Wireless LANs and Radio Frequency Identification systems
Ramamoorthy, Suresh (Wichita State University, 2011-07)As mobile hand-held devices such as cell phones and personal digital assistants are battery operated, it is important to minimize their energy consumption. The limited lifetime of the battery is always a problem for all ... -
On the energy efficiency of dynamic spectrum access in the ad-hoc Wireless LAN scenario
Badruddoza, Anm (Wichita State University, 2013-05)Wireless data communications, especially to and from portable mobile devices, is one of the fastest growing paradigms in the field of computer communications. This fast paced growth of wireless communication devices is ... -
Online localization using only internal sensors on a smartphone
Rao, Ranjitha (Wichita State University, 2021-12)Despite the omnipresent smartphones and navigation apps, indoor navigation continues to be a challenge for blind and visually impaired individuals (BVI). Global Positioning System (GPS), while being highly reliable outdoors, ...