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NAND flash memories have been used in many mobile consumer devices as storage media because they are small, fast, shock-resistant, and energy-efficient. However, the flash storage systems based on these flash devices need a special software layer, the FTL, to translate logical addresses from a host system to physical addresses in NAND flash memories. Recently, the flash storage systems in mobile devices...
In this paper, we proposed enhanced receiver algorithm for obtaining macro diversity gain in MBS environment. The main idea is from diversity technique of MIMO system. Proposed algorithm improves receiver performance using space-time/frequency block code. The advantage of proposed method do not need additional antennas. Also, the performance is enhanced than previous configuration defined as next...
The chaotic theory of phase-space reconstruction is applied to the adaptive behavior analysis and construction of the robot due to the complex nonholonomic and non-linear characteristics of WMR (Wheeled Mobile Robot). The WMR and the operating environment as a whole, a set of control rules for the adaptive behavior which can produce local optimal planning path are obtained by QL (Q_Learning). Then...
For converged technology both broadcasting and communication, currently mobile IPTV is focused on portable broadcasting system with users' feedback. To implement mobile IPTV based on mobile communication, the MIMO technique is necessary due to increasing capacity and applying different modulation ratio. In this paper, we proposed decision vector. The decision vector improves system performance by...
In wireless sensor networks, clustering algorithm is widely used to extend network life and reduce data redundancy. However, the existing algorithms were usually for static nodes and did not consider the event-aware issue, and the evaluation of a new algorithm mostly focused on network life. For these reasons, we propose an Event-Aware clustering algorithm based on the minimum ID algorithm, further...
This paper proposes a two-dimensional switching diversity (2DSD) technique to enhance the collaborative spatial multiplexing (CSM) scheme for uplink wireless access. By the 2DSD, a single data stream is transmitted over multiple antennas and the mobile station (MS) alternates the transmit antennas from one time-frequency resource unit (RU) to another or from one group of RUs to another. That is, the...
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