The debut of small, inexpensive, yet powerful portable computers has coincided with the
exponential growth of the Internet, making it possible to access computing resources and …

摘要随着移动通信技术的迅速发展, 人们提出了新的应用要求: 在移动环境下处理实时事务.
而移动通信带宽有限性引起较大的数据访问延迟, 有时甚至由于网络传输的断接使得事务得不到 …

We investigate efficient schemes for data communication from a server (base station and
access point) to a mobile terminal over a wireless channel of randomly fluctuating quality …

Location-specific data retrieval is an attractive application in a Mobile Ad-hoc Network
(MANET). Simple solution for it is that an observer retrieves the data by geocasting from an …

隨著無線網路的蓬勃發展, 越來越多無線存取技術在不同的應用層面與需求下被提出來.
在眾多的無線技術當中, IEEE 802.11 無線區域網路與IEEE 802.16 無線都會網路是兩個最直接 …

This paper proposes and measures the performance of a hybrid prefetch scheme for the
gateway cache in the vehicular telematics network. Aiming at improving response time and …

Energy conservation is an important issue in wireless networks. We propose a method for
estimating the least amount of energy needed for broadcasting a message to all nodes in …

In mobile computing environments, a user's mobility and query patterns are multiform. To
support an adequate service to the user within quick period, it is important to consider the …

SCPS is a novel self-configuring power-saving protocol for wireless one-hop ad hoc
networks. According to IEEE 802.11 WLAN standard, a station may enter a special power …

This paper measures and analyzes the performance of the hybrid prefetch scheme for
gateways on the vehicular telematics network where every information is indexed by the link …