Fujitsu Corporation

Intel Corporation

China Petroleum Chemical Corporation

Beijing Research Institute of Chemical Industry, China Petroleum & Chemical Corporation

Jun Tian

Hao Wang

Hua Zhou

Jianming Wu

Hongchun Li

Yuantao Zhang

Jian Wang

Yi Xu

Taiji Kondo

Xiaojing Fan

Longteng Yi

Qian Zhao

Qiang Lin

Lili Xie

Jie Zhang

Cheng Li

Chao Lv

Jinyin Xue

Yu Zhang

Kun Tian

Genming Ding

Chen Ao

Yi Wang

Yan Li

Ming Wang

Zhenning Tao

Hisao Nakashima

Hiroyuki Hayashi

Yuuta Nakaya

Huijian Zhang

Dongfeng Li

Mingsen Zhang

Zhixin Liu

Lihua Liao

Chunfang Li

Shujuan Luo

Lv Chao

Methods, apparatus, systems and articles of manufacture to control address space isolation in a virtual machine are disclosed. An example apparatus includes an address width adjustor to identify a memory width value corresponding to a guest memory associated with a virtual machine (VM), and generate an expanded emulated memory width value. The example apparatus also includes a memory mirror manager to generate a first guest physical address (GPA) range based on the memory width value, and generate a second GPA range based on the expanded emulated memory width value. The example apparatus also includes an EPT generator to generate root paging structures of a first type of EPT with respective addresses within the first GPA range, and generate root paging structures of a second type of EPT with respective addresses within (a) the first GPA range and (b) the second GPA range.

Methods, systems, articles of manufacture and apparatus to control address space isolation in a virtual machine

Embodiments of this disclosure provide a motion state detection apparatus and method based on wireless signals and a system, in which variations of energy distribution of reflection points with time are calculated according to wireless signals reflected from a space where an object that is detected is located, and a motion state of the object is determined according to the variations. Thus, the training of the recognition model is not needed, the detection process is simple and detection results are reliable, and are applicable to various different application scenarios.

Motion state detection apparatus and method based on wireless signals and system

A method and system for separating light hydrocarbons are disclosed, wherein the method comprises compression, cooling, absorption, desorption, rectification, cracking, and recycling cracked gas to the compression step.

Method and system for separating light hydrocarbons

Embodiments of this disclosure provide a radar-based posture recognition apparatus, method and an electronic device. The method includes: acquiring radar reflection point information based on radar echo signals reflected from a detected target, and clustering radar reflection points; in a first time period, calculating spatial morphological feature information and/or motion feature information of a target point set obtained by clustering; in a second time period, counting the spatial morphological feature information and/or the motion feature information of a plurality of first time periods to obtain motion process feature information in the second time period; and taking the motion process feature information within a second time period in which a current moment is present and the spatial morphological feature information and/or the motion feature information in a first time period in which the current moment is present as a feature set, to determine the posture of the detected target.

Radar-based posture recognition apparatus and method and electronic device

Embodiments of this disclosure provide a living object detection method and apparatus and electronic device. The apparatus includes a processor to calculate a distance matrix according to variance of Fourier transform amplitude values of radio signals received by a radio signal receiver within a determined period of time; and to calculate a distance between an object among objects and the radio signal receiver according to the distance matrix. According to this disclosure, a position of a living object among the objects may be detected based upon the distance in multiple scenarios.

Living object detection method and apparatus and electronic device

Embodiments of this disclosure provide a fall detection method and apparatus. The apparatus acquires information of radar reflection points belonging to a detected object in a predetermined number of consecutive frames, information on a radar reflection point including at least two of information on a position, information on a radial velocity and information on reflection signal strength, of the reflection point; determines whether the detected object has fallen according to a relationship between time and the information on radar reflection points in the predetermined number of consecutive frames.

Fall detection method and apparatus

A method and apparatus for selecting a position of a routing node and terminal equipment where the method includes: generating a connection relationship among sensor nodes, a gateway node and deployable routing nodes according to network deployment information and a link quality model related to a deployment environment; and calculating a shortest path from each sensor node to the gateway node according to the connection relationship, and determining deployable positions of routing nodes on the shortest path as positions of the routing nodes. With the embodiments of this disclosure, in selecting a position of a routing node, an effect of a deployment environment and limit of a deployment position are taken into account, thereby obtaining a routing node deployment scheme satisfying a practical environment and ensuring network data transmission performance.

Method and apparatus for selecting position of routing node and terminal equipment

A method and apparatus for determining a position of a routing node and terminal equipment. Where the method includes: generating a 0-th generation routing node deployment scheme set according to a link connection relationship among sensor nodes, a gateway node and deployable routing nodes in a network; calculating a fitness of each routing node deployment scheme in a j-th generation routing node deployment scheme set; processing the j-th generation routing node deployment scheme set according to the fitness; and selecting a routing node deployment scheme from the routing node deployment scheme set satisfying the predetermined condition. In determining a position of a routing node, optimizing the number of routing nodes and optimizing routing paths are both taken into account, thereby obtaining a routing node deployment scheme with minimum routing nodes and which can also ensure data transmission performance of the network.

Method and apparatus for determining position of routing node and terminal equipment

A partition based slot assignment method and apparatus, applying to other nodes than a sink node in a multi-hop sensor network including: transmitting a detection request packet including subtree information of a subtree of the sink node, using a node one-hop away as a root node; determining whether other nodes and the sink node are in the same subtree according to received detection request packets transmitted by other nodes including subtree information of subtrees of the other nodes; and storing the subtree information of the subtrees of other nodes in a local collision table if the other nodes and sink node are not in a same subtree, and transmitting the table to a parent node of the sink node. By changing a slot assignment in a larger network into independent slot assignments in smaller networks, a slot assignment problem resulting from a large number of nodes may be solved.

Sink node in a wireless network executing a slot assignment method based on partitions

A wireless network deployment method, apparatus and system where the includes: initializing the wireless network to determine a deployment area and the number of access points needing to be deployed; initializing positions of the access points, and dividing the deployment area into grids; calculating a virtual force of each access point based on signal coverage of each grid; calculating a movement position of each point according to the virtual force; performing edge controlling on each point; and terminating processing when a terminating condition is satisfied. A deployment process is simulated as a dynamic physical process, movement of the access points along a direction of a resultant force of all repulsion forces and attractive forces is controlled following the principle that an overlapping covered area produces a repulsion force and an uncovered area produces an attractive force.

Wireless network deployment method, apparatus and system

A stepwise slot allocation method and apparatus applicable to a node in a wireless network and includes: by the node, determining an initial boundary value of a slot for slot allocation at a current slot allocation stage; calculating a slot length needed by the node at the current slot allocation stage; and selecting a slot index needed by the current slot allocation stage starting from the initial boundary value. By using the method, the slot allocation is combined with an amount of traffic in the network, and slot index of each node is more proper. And it is ensured that one packet corresponds to a slot, and a case will not occur where a slot is reserved but not used.

Stepwise slot allocation method and apparatus

Embodiments of the present invention provide a method and apparatus for assigning slot. The method includes: constructing an HELLO packet, the HELLO packet including GTS request information of a local node or including GTS request information of the local node and GTS request information of at least one neighboring node within a collision domain of the local node; and broadcasting the HELLO packet, so that a node receiving the HELLO packet performs slot reservation according to information contained in the HELLO packet. With the method and apparatus for assigning slot provided by the embodiments of the present invention, no central controller is needed any longer in comparison with a centralized slot assignment method, complexity of calculation is lowered, and utilization of slot is improved.

Method and apparatus for assigning slot

A method and apparatus for assigning a slot, including: constructing a HELLO packet, the packet including slot request information of a local node and/or slot request information of a neighbor node of the local node; and transmitting the packet, so that a node receiving the packet authenticates a reservation slot requested by a sender; wherein the slot request information of the local node includes an address of the local node and of a receiving node of a data packet to be transmitted and an index of the reservation slot requested by the local node; and the slot request information of the neighbor node includes an address of the neighbor node, an address of a receiving node of a data packet to be transmitted, an index of a reservation slot requested by the neighbor node, and confirmation information of the reservation slot requested by the neighbor node.

Embodiments of the present invention provide a method and apparatus for assigning slot. Wherein the method includes: constructing an HELLO packet, the HELLO packet including correlation information of multiple reservation slots requested by a local node, or including correlation information of multiple reservation slots requested by a local node and correlation information of multiple reservation slots requested by at least one neighbor node of the local node; and transmitting the HELLO packet, so that a node receiving the HELLO packet authenticates the multiple reservation slots requested by the local node according to information contained in the HELLO packet. With the method and apparatus of the embodiments of the present invention, utilization of slots is improved.

Growing community of inventors

Beijing, China

Jun Tian