Improving system performance in terms of data rate, mobility and cost is the scope of Long Term Evolution (LTE) system. In LTE networks the handover (HO) decision is performed by the evolved base station (eNB). The ping-pong movement in LTE is one of the most crucial problems which reduce the quality of the connection and degrade the performance of the handover. In this paper, the impact of pin...

Location areas is a popular location management scheme in cellular networks. In the location areas scheme, a mobile terminal updates its location whenever it moves into a cell that belongs to a new location area. However, no matter how the location areas are designed, the ping-pong location update effect exists when a mobile terminal moves back and forth between two location areas. The paper de...

This paper proposes a ping-pong document clustering method using NMF and the linkage based refinement alternately, in order to improve the clustering result of NMF. The use of NMF in the ping-pong strategy can be expected effective for document clustering. However, NMF in the ping-pong strategy often worsens performance because NMF often fails to improve the clustering result given as the initi...

Yan-Ping Huang , Yong-Ping Zheng , Shu-Zhe Wang , Zhong-Ping Chen , 4 Qing-Hua Huang , and Yong-Hong He 4 5 Department of Health Technology and Informatics, Research Institute of Innovative 6 Products and Technologies, Hong Kong Polytechnic University, Hong Kong, China 7 Beckman Laser Institute, University of California Irvine, Irvine, California, USA, 8 Graduate School at Shenzhen, Tsinghua Un...

Department of Applied Chinese Languages and Literature, National Taiwan Normal University, 162, Sec. 1, Ho-Ping E. Rd., Taipei, Taiwan Department of Educational Psychology and Counseling, National Taiwan Normal University, 162, Sec. 1, Ho-Ping E. Rd., Taipei, Taiwan Graduate Institute of Information and Computer Education, National Taiwan Normal University, 162, Sec. 1, Ho-Ping E. Rd., Taipei, ...

Location-areas is a popular location management scheme in cellular networks. In the location areas scheme, a service area is partitioned into location areas, each consisting of contiguous cells. A mobile terminal updates its location whenever it moves into a cell that belongs to a new location area. However, no matter how the location areas are designed, the ping-pong location update effect exi...

The Security of the RSA implementation of ping-pong protocols is considered. It is shown that the obvious RSA properties, such as "multiplicativity", do not endanger the security of ping-pong protocols. Namely, if a ping-pong protocol is secure in general then its implementation using an "ideal RSA" is also secure.

1. Strengths This paper makes the point that load balancers break ping just as they do traceroute. In fact, the authors discover that, due to link aggregation, even measurements along the same IP-level path may have very different delays. The paper proposes to apply the Paris-traceroute idea of controlling path identifier to ping, resulting in Tokyo-ping. It then examines this approach to show ...