吉林大学学报(工学版) ›› 2010, Vol. 40 ›› Issue (04): 1122-1126.

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Position assisted soft handover algorithm based on forecast of handover

HU Ke-gang,WANG Lin-zhu,ZHOU Li,TANG Hong   

  1. College of Communication Engineering,Jilin University,Changchun 130012,China
  • Received:2009-05-08 Online:2010-07-01 Published:2010-07-01

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Abstract:

To optimize the soft handover algorithm for WCDMA network, a new position assisted soft handover algorithm is proposed based on the forecast of handover. This algorithm is developed on the basis of the Universal Telecommunications Radio Access (UTRA) soft handover algorithm. It forecasts the handover with different MS's position messages, and then adjusts the handover thresholds dynamically to improve the system performance. This algorithm is tested by simulation and results show significant improvement over the UTRA soft handover algorithm in terms of Mean active set number (MASN) and Active set update rate (ASUR), which can be remained stable. Therefore, the new algorithm can improve the system efficiency.

Key words: communication, soft handover algorithm optimization, algorithm simulation, handover forecast

CLC Number: 

  • TN92
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