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66results about How to "Improve network coverage" patented technology

Support for Multiple Systems Using Different Modulation Schemes in PLC Networks

Embodiments of methods and systems for using both new and older modulation schemes in PLC networks—thereby supporting legacy systems—are disclosed. In one embodiment, common frames that need to be understood by all nodes to support the network will be sent two or more times using different modulation techniques. For example, all broadcast frames, such as beacon requests, beacons, and route requests may be transmitted once with differential modulation and once with coherent modulation. In one configuration, the beacons with differential modulation may be transmitted in one beacon period, and the beacons with coherent modulation may be transmitted in another beacon period. In another configuration, the differential and coherent beacons for a particular tone mask are transmitted one after the other and before any other tone mask beacon is transmitted.
Owner:TEXAS INSTR INC

Resource allocation and interference suppression method based on non-cooperative game in LTE system

The invention provides a resource allocation and interference suppression method based on non-cooperative game in an LTE system. First, a multi-cell LTE network interference model is established by adoption of soft frequency reuse, and then, a utility function based on the price mechanism is established through consideration on users' demand for quality of service and energy consumption based on the non-cooperative game theory, a power iteration algorithm maximizing the utility function is given, and resource allocation and interference suppression can be realized through iterative solution. Joint interference management and resource allocation in a multi-user multi-cell multi-carrier LTE system can be realized. Through ICI suppression and inter-cell signal interference noise ratio balancing, inter-cell interference is reduced while energy is saved. The throughput and the network coverage of cell edge users in the system can be effectively improved under the condition of without increasing additional power consumption. Only pricing information exchange is needed between the cells, and distributed implementation is easy in actual systems. Therefore, the resource allocation and interference suppression method of the invention has good application prospect.
Owner:徐州国隆电力配件铸造有限公司

Wireless data information acquisition system based on Internet of things

The invention relates to an Internet of things information acquisition system. A wireless data information acquisition system based on Internet of things comprises an information transmission node, an information acquisition node and an information collection center, wherein the information transmission node comprises a networking initialization module for receiving an address mapping table transmitted by a central control platform and entering networking preparation, a node field intensity collection and measurement module for receiving a networking beacon and a field intensity collection command and performing field intensity collection, a data characteristic judgment module for extracting data information characteristics, and a configuration preprocessing module for performing field intensity operation and entering a route establishing stage; and the information acquisition node comprises a networking processing module for performing networking preparation, a field intensity information receiving module for receiving an information transmission node command and receiving the networking beacon and the field intensity collection command, and a configuration processing module for receiving a configuration table of the information transmission node, establishing a route and constructing a wireless self-organizing network. Through adoption of the wireless data information acquisition system, information is acquired timely and accurately, and the efficiency and reliability of data acquisition in a modern intelligent residential district can be increased and enhanced.
Owner:河南大广电子科技有限公司

Method, system and device for carrying out service relay for first standard terminal

ActiveCN104935375AImprove network coverage performanceSave money and effortRadio transmission for post communicationWireless communicationService providerWorkload
The invention discloses a method, system and device for carrying out service relay for a first standard terminal, and relates to the technical field of wireless communication. According to the embodiment of the invention, a first standard / second standard dual-mode terminal is selected for carrying out service relay for the first standard terminal to a second standard base station, the first standard / second standard dual-mode terminal reports the first standard terminal and relay information thereof to the second standard base station so as to enable the second standard base station to distributed relay configuration information used by the service relay based on the reported information, and the first standard / second standard dual-mode terminal is communicated with the first standard terminal based on the relay configuration information, so that relay of devices different in standard is realized, conventional relay nodes are not needed, the network covering performance of a first standard user is improved under the condition that the disposition scope of a first standard base station is limited, and the cost and the workload of a service provider are saved. In addition, the second standard base station has a control force over the whole relay process, and the stability and the performance of the system are ensured.
Owner:CHINA TELECOM CORP LTD

Method for Controlling a Multi-Hop Transmission

Method for controlling a multi-hop transmission it is described a method for controlling a multi-hop transmission of a data packet between a base station and a user equipment via at least one relay node. A maximum allowable time period for transmitting the data packet between the base station and the user equipment via the at least one relay node is specified. The method includes calculating, based on a time information associated with a time period, which has been needed for a transmission of the data packet to the at least one relay node, and the maximum allowable time period, a remaining time period being available for the at least one relay node for transmitting the data packet, and controlling the transmission of the data packet from the at least one relay node to the base station or the user equipment based on the calculated remaining time period.
Owner:NOKIA SOLUTIONS & NETWORKS OY

Data processing method and terminal

The application provides a data processing method and terminal. When the uplink transmission rate of the terminal is limited, the uplink transmission data size is reduced, and the uplink transmissionspeed is improved, thereby improving the downlink sending rate and the network coverage rate. The method provided by the application comprises the following steps: the terminal judges whether a QUIC data packet is an ACK only packet according to the packet length of the QUIC data packet when the QUIC data packet is sent to a data link layer of the terminal; the terminal records a cache address forstoring the QUIC data packet in a cache region if the QUIC data packet is the ACK only packet; and the terminal determines the un-encapsulated ACK only packet in the data link layer and deletes the un-encapsulated ACK only packet from the cache region when a new ACK only packet arrives the data link layer.
Owner:SHANGHAI HUAWEI TECH CO LTD
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