Saigopal Thota

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This article studies how next-generation optical access networks can exploit the properties of wireless connectivity to provide improved quality of service to users, and reports on a corresponding experimental prototype as well. Optical access networks using the passive optical network architecture are being increasingly deployed worldwide for(More)
As bandwidth requirements of users in passive optical networks continue to increase rapidly, especially due to the growth of video-streaming traffic, the need to resolve bandwidth contention among competing users and applications becomes more compelling. To address this problem, we propose application-aware software-defined Ethernet passive optical network(More)
We propose a dynamic bandwidth allocation (DBA) scheme for EPON (Ethernet Passive Optical Network) Protocol over Coax, or EPoC in short. EPoC is the transparent extension of EPON over a cable operator's Hybrid Fiber-Coax (HFC) network, and is set to become a rapidly-evolving standard within the next few years, with strong backing from the industry, and with(More)
One of the prevalent access network technologies is the community antenna television (CATV) network, which was originally designed to deliver broadcast analog TV signals to subscribers. Typically, CATV networks are built as hybrid fiber-coaxial (HFC) networks with fiber running between an operator’s head-end to a remote optical node, from which the(More)
We present different mechanisms for downstream transmissions in the coax segment of Ethernet Passive Optical Network (EPON) Protocol over Coax (EPoC). EPoC is the transparent extension of EPON over a cable operator’s Hybrid Fiber-Coax network. For managing and controlling such a hybrid network, a network operator prefers to have a unified scheduling,(More)
Today, we use smart mobile devices to browse content, stream media, etc., in addition to making voice calls. Most smart devices are equipped with IEEE 802.11 (WiFi) interface to connect to the Internet using wireless access points (APs), as WiFi provides cost-effective connectivity to users. Wireless interfaces in smart devices drain high energy while(More)
In this short paper, we propose three different framing approaches for downstream transmissions in the coax segment of EPON Protocol over Coax (EPoC), based on how subcarriers in an orthogonal frequency division multiplexed (OFDM) symbol are modulated. We analyze the merits and demerits of each approach, and then compare them based on their control(More)
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