• Title/Summary/Keyword: Home Network Algorithm

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A Design of RS Decoder for MB-OFDM UWB (MB-OFDM UWB 를 위한 RS 복호기 설계)

  • Choi, Sung-Woo;Shin, Cheol-Ho;Choi, Sang-Sung
    • Proceedings of the Korea Electromagnetic Engineering Society Conference
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    • 2005.11a
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    • pp.131-136
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    • 2005
  • UWB is the most spotlighted wireless technology that transmits data at very high rates using low power over a wide spectrum of frequency band. UWB technology makes it possible to transmit data at rate over 100Mbps within 10 meters. To preserve important header information, MB-OFDM UWB adopts Reed-Solomon(23,17) code. In receiver, RS decoder needs high speed and low latency using efficient hardware. In this paper, we suggest the architecture of RS decoder for MB-OFDM UWB. We adopts Modified-Euclidean algorithm for key equation solver block which is most complex in area. We suggest pipelined processing cell for this block and show the detailed architecture of syndrome, Chien search and Forney algorithm block. At last, we show the hardware implementation results of RS decoder for ASIC implementation.

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Architecture of RS decoder for MB-OFDM UWB

  • Choi, Sung-Woo;Choi, Sang-Sung;Lee, Han-Ho
    • Proceedings of the Korea Society of Information Technology Applications Conference
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    • 2005.11a
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    • pp.195-198
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    • 2005
  • UWB is the most spotlighted wireless technology that transmits data at very high rates using low power over a wide spectrum of frequency band. UWB technology makes it possible to transmit data at rate over 100Mbps within 10 meters. To preserve important header information, MBOFDM UWB adopts Reed-Solomon(23,17) code. In receiver, RS decoder needs high speed and low latency using efficient hardware. In this paper, we suggest the architecture of RS decoder for MBOFDM UWB. We adopts Modified-Euclidean algorithm for key equation solver block which is most complex in area. We suggest pipelined processing cell for this block and show the detailed architecture of syndrome, Chien search and Forney algorithm block. At last, we show the hardware implementation results of RS decoder for ASIC implementation.

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THE EFFICIENCY ROUTING ALGORITHM FOR MULTIMEDIA TRANSMISSION IN DIGITAL HOME NETWORK SCENARIOS

  • Nguyen Thanh Tung;Ahn Sea-Young;An Sun-Shin
    • Proceedings of the Korean Information Science Society Conference
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    • 2006.06d
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    • pp.136-138
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    • 2006
  • The high-rate Wireless Personal Area Networks (WPANs) which IEEE 802.15.3 standard support, foster the Digital Home Network (DHN) scenarios with high rate multimedia data transmission. Actually, there are a few routing protocols for ad-hoc networks which considered the terminal location information and routing metric to reduce the energy consumption and optimize the routing path in mobile system. Based on other routing protocols, this paper presents the reliable location-based routing algorithm which is an adaptation to these networks.

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Energy Saving Algorithm of the Home Gateway considering Service Usage Patterns (서비스 사용 패턴을 고려한 홈 게이트웨이의 전력 절감 알고리즘)

  • Kong, In-Yeup
    • Journal of the Korea Institute of Information and Communication Engineering
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    • v.14 no.8
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    • pp.1792-1798
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    • 2010
  • Home Gateway is always on for continuous services of home networks. Ubiquitous home networks are extended. so power consumption of home gateways increases by geometric progression. Our algorithm is for home gateway to sleep, listen or wakeup according to network traffic adaptively, as well as to keep always-on service. To do this, it traces the accumulated average of previous sleep periods. In addition to this basic algorithm, we make the profiles for user's living pattern per the day to reflect network usages in detail and adaptively. As the simulation results by comparing with overall accumulated average and per-day accumulated average, in case of the overall accumulated average, the difference the estimation and real value is distributed from 0.43% to 4%. In contrast of this, in case of the per-day accumulated average is distributed from 0.06% to 2%. From this results, we know the profiling of per-day usage pattern can help reduce the difference of the real sleep period and the estimated sleep period.

Design and Simulation of HomePNA 2.0 MAC Controller Circuit

  • Kim, Jong-Won;Kim, Dae-Young
    • Proceedings of the Korea Society of Information Technology Applications Conference
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    • 2005.11a
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    • pp.179-182
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    • 2005
  • The Home Phoneline Networking Alliance (HomePNA) 2.0 technology can establish a home network using existing in-home phone lines, which provides a channel rate of 4 - 32 Mbps. HomePNA 2.0 Medium Access Control (MAC) protocol adopts an IEEE 802.3 Carrier Sense Multiple Access with Collision Detection (CSMA/CD) access method, a Quality of Service (QoS) algorithm, and a Distributed Fair Priority Queuing (DFPQ) collision resolution algorithm. In this paper, we analyze the HomePNA 2.0 MAC protocol and propose the architecture of HomePNA 2.0 MAC controller circuit. Then, we present the simulation result of each block included in the HomePNA 2.0 MAC controller.

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Intelligent Context-Aware System for Home Automation (홈 자동화를 위한 지능적인 상황인지 시스템)

  • Shin, Sang-Uk;Lim, Tae-Hun
    • The Journal of the Korea Contents Association
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    • v.7 no.4
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    • pp.74-82
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    • 2007
  • Context awareness using intelligent system is emphasized in order to provide automatic services in home automatic system. In this paper, we propose the intelligent context-aware system for home automation. To implement home automation, we first collect various events occuring in user's home, which are saved as a case form. We use the saved data as a training data of a neural network algorithm and then apply to intelligent context aware system for home automation. This system provide "right situations do right things" for user. Also this system has intelligent ability.

The Beacon Frame-Based Node Grouping Algorithm for Improving the Performance between MCT devices in the Home Wireless Network (가정 무선 네트워크 내 MCT 디바이스 간 성능 향상을 위한 Beacon frame 기반 노드 그룹화 알고리즘)

  • Kim, Gyu-Do;Kown, Young-Ho;Rhee, Byung-Ho
    • Proceedings of the Korean Institute of Information and Commucation Sciences Conference
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    • 2015.10a
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    • pp.787-790
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    • 2015
  • Recently, M2M (Machine to Machine) communication is possible the development of MTC (Machine Type Communication) devices becomes active. MCT devices in the form of home appliances have a low power consumption, low cost, short-range wireless communication in wireless home network. For purpose, MTC devices based on IEEE 802.15.4/Zigbee are composed in the form of cluster-tree topology, which consists of one PAN (Personal Area Network), one or other router and end of nodes. It happens that transmission delay, packet drop, and lacking data resulted from collision originated by a competition for allocating channels among MTC devices that greatly increased. At last performance of entire network can be degradated. This paper proposes that the beacon frame-based grouping algorithm using multiple channels in a MTC devices in the presence of wireless home network interference. The proposed algorithm decreases the transmission delay, dropped packet and throughput is more increase, so the proposal algorithm is more efficient than the IEEE 802.15.4/ Zigbee standard.

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The Development of an Intelligent Home Energy Management System Integrated with a Vehicle-to-Home Unit using a Reinforcement Learning Approach

  • Ohoud Almughram;Sami Ben Slama;Bassam Zafar
    • International Journal of Computer Science & Network Security
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    • v.24 no.4
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    • pp.87-106
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    • 2024
  • Vehicle-to-Home (V2H) and Home Centralized Photovoltaic (HCPV) systems can address various energy storage issues and enhance demand response programs. Renewable energy, such as solar energy and wind turbines, address the energy gap. However, no energy management system is currently available to regulate the uncertainty of renewable energy sources, electric vehicles, and appliance consumption within a smart microgrid. Therefore, this study investigated the impact of solar photovoltaic (PV) panels, electric vehicles, and Micro-Grid (MG) storage on maximum solar radiation hours. Several Deep Learning (DL) algorithms were applied to account for the uncertainty. Moreover, a Reinforcement Learning HCPV (RL-HCPV) algorithm was created for efficient real-time energy scheduling decisions. The proposed algorithm managed the energy demand between PV solar energy generation and vehicle energy storage. RL-HCPV was modeled according to several constraints to meet household electricity demands in sunny and cloudy weather. Simulations demonstrated how the proposed RL-HCPV system could efficiently handle the demand response and how V2H can help to smooth the appliance load profile and reduce power consumption costs with sustainable power generation. The results demonstrated the advantages of utilizing RL and V2H as potential storage technology for smart buildings.

Performance Analysis of HomePNA 2.0 MAC Protocol (HomePNA 2.0 MAC 프로토콜의 성능 분석)

  • Kim, Jong-Won;Kim, Dae-Young
    • The Journal of Korean Institute of Communications and Information Sciences
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    • v.30 no.10A
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    • pp.877-885
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    • 2005
  • The Home Phoneline Networking Alliance (HomePNA) 2.0 technology can establish a home network using existing in-home phone lines, which provides a channel rate of 4-32 Mbps. HomePNA 2.0 Medium Access Control(MAC) protocol adopts an IEEE 802.3 Carrier Sense Multiple Access with Collision Detection (CSMA/CD) access method, Quality of Service(QoS) algorithm, and Distributed Fair Priority Queuing(DFPQ) collision resolution algorithm. In this paper, we propose some mathematical models about the important elements of HomePNA 2.0 MAC protocol performance, which are Saturation Throughput, Packet Delay and Packet Jitter. Then, we present an overall performance analysis of HomePNA 2.0 MAC protocol along with simulations.

Implementation of Efficient Routing Algorithm for Heterogeneous Home Networks based on PLC and IEEE 802.15.4 (전력선 통신과 IEEE 802.15.4를 기반한 이종 홈 네트워크를 위한 효율적 라우팅 알고리즘 구현)

  • Ha, Jae-Yeol;Lee, Kam-Rok;Heo, Jong-Man;Kim, Nam-Hun;Choi, Hae-Sul;Jeong, Beom-Jin;Gwon, Uk-Hyeon
    • Proceedings of the IEEK Conference
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    • 2007.07a
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    • pp.7-8
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    • 2007
  • In this paper, an efficient routing algorithm for the heterogeneous home network in which IEEE 802.15.4 compensates for limitations of PLC based home networks. The efficient routing algorithm changes the broadcast period of routing information frame according to the mobility of the node. We implemented the routing algorithm and built a test-bed.

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