Báo cáo hóa học: " A Novel Cluster-Based Cooperative MIMO Scheme for Multi-Hop Wireless Sensor Networks" ppt

... increases is called a consistent estimator. The mean estimator (A. 2) is also an unbiased and consis- tent estimator . The (A. 3) of the Gaussian distribution was obtained using MLE. This estimator ... Wu Institute of Image Processing & Pattern Recognition, Shanghai Jiaotong University, Shanghai 200030, China Email: wu bian@sjtu.edu.cn Xiaolin Ren Motorola Labs China Research Center, Sh...

Ngày tải lên: 23/06/2014, 01:20

... N T transmit antennas and K receivers (users) are equipped with N R receive antennas. At the base station, a maximum total transmission power of P max watts and S subchannels are available for transmission. Assuming ... resource allocation as in the SISO case. In [8], the authors pro- posed an algorithm which maintains proportional rates among users for each channel realization and ensu...

Ngày tải lên: 21/06/2014, 01:20

... mechanism to avoid intensive usage of the shortest path. Assuming sources transmitting data packets at a constant rate, [17] proposes a multipath routing scheme formulated as a linear programming ... movement of gas back to nearby UAVs and take appropriate decisions concerning an evacuation plan. Embedding sensors in roadbeds, alongside highways, or bridge structures and placing camer...

Ngày tải lên: 21/06/2014, 17:20

... interoperable wireless communication standard especially designed for real-world industrial a pplications, was approved and released in 2007. ISA 100.1 1a is becoming a standard for process automatio ... direction (gateway to actua- tor), i.e. the standard lacks HART commands to initiate periodic data transfer to actuators. WirelessHART allows the use of proprietary methods to add...

Ngày tải lên: 20/06/2014, 22:20

... (15) as another performance evaluating parameter. The equal weightage to maximize PD and minimize PF suggests its suitability for the applications where false alarms are equally intolerable as ... Networks Bhushan G. Jagyasi, 1 Bikash K. Dey, 2 S. N. Merchant, 2 and U. B. Desai 2 1 TCS Innovation Labs, Mumbai, Tata Consultancy Services, Yantra Park, Thane (W), Mumbai 400601, India 2 SPANN L...

Ngày tải lên: 21/06/2014, 23:20

... natural physiological states without constraining their normal activities. They are used to develop a smart and a ordable health care system and can be a part of diagnostic procedure, maintenance ... [6]performsrealtime analysis of sensor s data, provides real time feedback to the user, and forwards the user’s information to a telemedicine server. UbiMon aims to develop a smart and...

Ngày tải lên: 21/06/2014, 23:20

... performance in sensor networks. Researchers have developed high-level mathematical models that capture the battery behavior and are indepen- dent of battery chemistry [17–19]. An analytical battery model ... the sensor mobility and their battery status, it can dynamically adjust the BACDS locally. There are three changes that should be handled to maintain the BACDS: (1) A dominator v ∈...

Ngày tải lên: 22/06/2014, 19:20

... impact of S data , r,andρ on P. the increase of S data .Ifρ = 1, all the sensory data will be fused into a data with fixed size. We expect that as ρ decreases, the advantagesofMADDwilldecrease.Aswetakeaconservative approach ... data of each sensor (S data ). If we set ρ to 0, it means that data aggregation does not work, all the re- duced sensed data are concatenated. When MADD is applied...

Ngày tải lên: 22/06/2014, 23:20

... image transmitted from each sensor. (b) Reconstruct sensor images by fusing background and target area as well as its spatial location each time after target image and its spatial location are received. In ... 5 feature-based image matching. Both spatial and temporal correlations have been exploited, and three types of images are generated: whole original image, difference image, and small...

Ngày tải lên: 22/06/2014, 23:20