Industrial Technology Research Institute

Institute for Information Industry

Shih-Ying Chang

Hung-Min Sun

Shin-Yan Chiou

Ping-Hai Hsu

Yao-Hsin Chen

Hsin-Ta Chiao

Shiuan-Tung Chen

Shuai-Min Chen

Ghita Mezzour

Adrian Perrig

Yue-Hsun Lin

Cheng-Kai Chen

Yan-Hao Huang

Hung Min Sun

Man-Ting Kuo

Kang-Chiao Lin

A method for estimating communication quality of a wireless network applied to an estimation device having a storage device and a processor is provided. The method includes the steps of: providing coordinate information of a plurality of nodes and at least two kinds of map data; associating the coordinate information of the nodes with the map data to map the nodes to the corresponding positions of the maps; extracting spatial feature data between any two nodes from the associated map data, wherein the spatial feature data include spatial distribution data and spatial attribute data; selecting one of a plurality of path loss models according to the spatial feature data between the two nodes and estimating a pass loss using the selected path loss model, thereby estimating the communication quality between the two nodes.

Estimation devices and methods for estimating communication quality of wireless network and method for installing meters thereof

A receiver of a communication system includes: an input module, a group-based pre-decoding module and a reconstructing module. The input module is for receiving a received data. The group-based pre-decoding module is for combining the received data with a grouped decoding matrix into an encoded equation matrix (EEM) based on a group parameter and for performing a group operation on the EEM. The reconstructing module is for reconstructing the EEM obtained from the group operation into an output data.

Communication system, method and receiver applicable thereto

The present disclosure relates to a verification method and system. The method comprises: applying an encryption algorithm to a secret information so as to generate at least two images; transmitting a first image of the at least two images to a first device; and aligning and overlaying a second image of the at least two images with the first image during the proceeding of a verification process for recovering and revealing the secret information.

Verification method and system

A network reputation system and its controlling method are provided. A credential and exchange component permits a user to generate credentials and exchange matching items with those persons having a social relationship with the user. A reputation evaluation component enables other users to make evaluations about an estimatee via the sharing of social network information. A query and response component receives a query from a person having a social relationship with the user for requesting an evaluation about the estimatee, and responds with an associated evaluation result to the person having a social relationship with the user, via the sharing of social network information and the evaluations made by the other users about the estimatee.

Method for sending and receiving an evaluation of reputation in a social network

A handover authentication method includes performing, by a wireless network server, a first authentication between a client and the wireless network server via a first network gateway; obtaining first authentication keys for the wireless network server and the client based on the first authentication; determining, by the wireless network server, a need to handover the client from the first network gateway to a second network gateway; deriving, by the wireless network server and from the first authentication keys, a handover authentication key shared by the client and the wireless network server; obtaining, by the wireless network server, second authentication keys for the network server and the client; and serving, by the wireless network server, the client via the second network gateway.

Method and system for handover authentication

Apparatus, method, and computer readable medium for generating and utilizing a feature code to monitor a program are provided. The program is run in a secure environment at the beginning. The program calls a function through an application program interface. A return address of the application program interface is used to generate the feature code. When the application runs again at another time, the feature code is utilized to monitor the program. According to the aforementioned arrangement and steps, the application program interface can be monitored dynamically. Consequently, any program can be monitored by this approach, which results in a more secure environment. Further, fewer application program interfaces are required to be monitored, so the required computer resource is less.

Apparatus, method, and computer readable medium thereof for generating and utilizing a feature code to monitor a program

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Nantou, Taiwan

Shih-Ying Chang