An Enhanced DV-Hop Localization Algorithm using RSSI

Jianmin Zhang; Rui Yang; Jian Li
December 2013
International Journal of Future Generation Communication & Netwo;Dec2013, Vol. 6 Issue 6, p91
Academic Journal
Localization has been identified as a key and challenging topic in Wireless Sensor Networks (WSNs), especially for the applications requiring the accurate position of the sensed information. DV-Hop is a typical range-free node localization algorithm in WSNs; the localization cost and hardware requirements are not high and localization accuracy of sensor nodes is still low under certain circumstances. Based on the main reasons of the error DVHop algorithm, an improved algorithm is proposed in this paper which reduces the location error without requiring additional hardware. The proposed algorithm uses Received Signal Strength Indicator (RSSI) to give the hop count a correction value. In the proposed algorithm the hop count is no longer positive integer number, and can be positive real number. With this new idea, the distance between sensor nodes can be more accurately computed that that of in DV-Hop localization algorithm. Since the distance between sensor nodes estimation is a key issue in localization for WSNs, the proposed algorithm achieves better performance as compared with DV-Hop algorithm. Simulations are performed and the results show that the enhanced DV-Hop algorithm outperforms the DV-Hop algorithm in term of localization accuracy.


Related Articles

  • Optimization Coverage of Wireless Sensor Networks Based on Energy Saving. Zeyu Sun; Heng Li; Heng Chen; Wei Wei // International Journal of Future Generation Communication & Netwo;2014, Vol. 7 Issue 4, p35 

    The separate situation of research has area coverage or target coverage in wireless sensor networks. Based on directional sensing model the algorithm used the virtual potential field to make the sensor nodes shift positions and change directions automatically in monitoring area, With the...

  • Dynamic Task Allocation in Multi-Hop Multimedia Wireless Sensor Networks with Low Mobility. Yichao Jin; Vural, Serdar; Gluhak, Alexander; Moessner, Klaus // Sensors (14248220);Oct2013, Vol. 13 Issue 10, p13998 

    This paper presents a task allocation-oriented framework to enable efficient in-network processing and cost-effective multi-hop resource sharing for dynamic multi-hop multimedia wireless sensor networks with low node mobility, e.g., pedestrian speeds. The proposed system incorporates a fast task...

  • Research on Location Feedback Based DV-Hop Localization Algorithm. Fei Liu; Guangzeng Feng // Key Engineering Materials;2014, Vol. 621, p699 

    In wireless sensor networks (WSNs), estimation of the location of the unknown node based on the average hop distance is an important research problem for range free localization algorithm. As one of the range free algorithm, DV-Hop chooses the average hop distance comes from the nearest beacon,...

  • Enhancement of an Error Minimizing Framework for Localizing Jammers in Wireless Networks: A Survey. Sivakumar, P.; Padmapriya, S.; Senthil, M. // International Journal of Engineering & Technology (0975-4024);Dec2013/Jan2014, Vol. 5 Issue 6, p5088 

    Jammers can sternly mess up the communication in wireless networks. The jamming attacks can be aggressively eradicate by the protector thus permits by the jammer location information. Our intensions to plan a framework that can be localize multiple jammers with high accuracy. Maximum of...

  • An Improved Weighted Centroid Localization Algorithm. Li Bin; Dou Zheng; Ning Yu; Lin Yun // International Journal of Future Generation Communication & Netwo;Oct2013, Vol. 6 Issue 5, p45 

    As one of the most important applications of wireless sensor network, positioning technology has become a extremely hot research filed. Taking into account of the position of beacon nodess, they make an effect on the positioning accuracy of unknown nodes. Therefore, in this paper, it proposes a...

  • Improved Correction Localization Algorithm Based on Dynamic Weighted Centroid for Wireless Sensor Networks. Xuejiao Chen; Pan Wang // Sensors & Transducers (1726-5479);Aug2014, Vol. 176 Issue 8, p134 

    For wireless sensor network applications that require location information for sensor nodes, locations of nodes can be estimated by a number of localization algorithms. However, precise location information may be unavailable due to the constraint in energy, computation, or terrain. An improved...

  • Research on Covering Algorithm of Hot Spot Scheduling Based on The Sleep Energy Balance. ZHAO Xi // International Journal of Digital Content Technology & its Applic;Feb2013, Vol. 7 Issue 4, p298 

    Since the conflict among coverage, number of work hot spots and energy balancing of wireless network, this paper mainly discuss network communications optimization and the network lifetime extending. In order to select the optimal coverage hot spot set, considering the balanced energy...

  • A New Location Method for Wireless Sensor Networks: Beacon in Increasing-Ring Algorithm. Wei Chen; Qian Wang; Xin Wang // International Journal of Digital Content Technology & its Applic;Nov2012, Vol. 6 Issue 20, p392 

    Location algorithm is an essential supporting technique of wireless sensor networks (WSNs), and centroid location algorithm is one of the important methods to locate low power WSNs nodes. In this paper, It is analyzed the principle of centroid location algorithm and the influence of beacon nodes...

  • Application of interactive multiple models and EMD analysis in signal management of wireless sensor network. Yonghong Ma; Xuefeng Quan // Journal of Chemical & Pharmaceutical Research;2014, Vol. 6 Issue 7, p1440 

    Interactive multiple models algorithm assumes that the switching model system is Markov. The basic idea of interacting multiple model algorithm is in every moment, suppose a model in the present moment effective condition, through a moment before mixing all filter state estimation of initial...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics