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Feng Li, Shenzhen CN

Feng Li, Shenzhen CN

Patent application numberDescriptionPublished
20090013236Method And Apparatus For Cascade Encoding - A cascade encoding method and apparatus are applied to a handheld television system or other fields. The method includes the following: A. Reed-Solomon (RS) encoding is performed on inputted Medium Access Control (MAC) packets, and coded MAC packets are outputted; and B. Low density parity check code (LDPC) encoding is performed on the coded MAC packets, and LDPC encoding blocks are outputted. The apparatus includes an RS coder and an LDPC coder. The RS encoding and LDPC encoding are cascaded to encode an inputted code flow, so as to reduce an error rate. Meanwhile, bytes in one RS encoding data block are dispersed into different LDPC blocks to be encoded through byte interleaving, thereby sufficiently utilizing error code characteristics of the RS encoding and the LDPC encoding for decoding, and improving error correction capability of a system.01-08-2009
20090104704APPARATUS AND METHOD FOR ANAYLIZING SAMPLES - A sample analyzer comprises a reaction tray, a sample/reagent tray, and a probe. The reaction tray performs a first number of stops and rotations during an operating cycle, wherein the first number is configured to cause each of the reaction vessels to stop once at a position for the test before any of the number of the reaction vessels stops at the position for a second time. The sample/reagent tray rotates one of a sample container and reagent containers to a sample/reagent retrieving position during an operating cycle. The probe dispenses test sample(s), first reagent, and second reagent during different periods in different stop periods during an operating cycle. A method for analyzing samples is also disclosed.04-23-2009
20090104710COLORIMETRIC ABSORBANCE MEASUREMENT METHOD, APPARATUS AND SYSTEM - Various embodiments disclose a colorimetric absorbance measurement method and a system for performing the same. The method comprises driving a reaction tray carrying a plurality of reaction cuvettes to rotate at a speed; transferring or rotating filters on a filter wheel to a light path of a light beam, starting from a filter of a first wavelength; and sampling photoelectric data when the light beam has passed through each reaction cuvette in some embodiments. The method ensures consistency in the measurement and synchronization between the calibration and the sample test and reliability of the measurements. Various embodiments simplify data processing and reduce the complexity of the system.04-23-2009
20090201943METHOD FOR TRANSFERRING TEST MESSAGES AND NETWORK ELEMENT DEVICE - A method for transferring test messages includes a Network Element (NE) A and NE B negotiating and determining a logical channel type. The Link Management Protocol (LMP) entity of NE A constructs a test message packet which includes the local Ethernet data interface ID, and transfers the test message packet to the local packet control module. The packet control module of NE A encapsulates the test message packet according to the logical channel type determined through negotiation, and transfers the encapsulated packet to the local transmitting interface. The receiving interface of NE B identifies and receives the packet. The packet control module of NE B obtains the packet from the local receiving interface and then encapsulates the packet. Next the packet control module of NE B transfers the test message packet obtained after decapsulation to the local LMP entity. Therefore, the test message can be transferred on the Ethernet data interface, and the auto discovery of the Ethernet physical link of the NE device succeeds once the test message is transferred successfully.08-13-2009
20100118874METHOD, SYSTEM AND PEER DEVICE FOR MESSAGE ROUTING - A method for message routing in a Peer to Peer (P2P) network includes the following steps: when a request message is routed from a source peer to a destination peer, the source peer and every intermediate peer that needs to be recorded add path information of the local peer to the request message and forward the request message to a next hop until the message arrives at the destination peer, where the path information includes a communication address of the local peer; the destination peer adds the path information in the request message to a response message obtained according to the request message; and the response message is routed from the destination peer to the source peer according to the path information. A source peer, an intermediate forwarding peer, and a destination peer as well as a message routing system are also disclosed. With the present invention, recursive message routing is implemented in a structured P2P network. Because a peer in the P2P network no longer needs to maintain a local transaction table, resources of the peer are saved and the cost of the P2P network is less.05-13-2010
20100189030MULTIPLE ANTENNA MODE CONTROL METHOD BASED ON STATION - The present invention provides a multiple antenna mode control method based on Station, including the steps: step 1 the Station reports a multiple antenna mode set or subset supported by the Station to the Access Point; step 2, the Access Point returns a multiple antenna mode set or subset supported by the Access Point to the Station, or returns directly a multiple antenna mode set or subset supported by both the Station and the Access Point to the Station; and step 3, a multiple antenna mode is chosen from a multiple antenna mode set or subset supported by both the Station and the Access Point for communicating between the Station and the Access Point. Thereby, a best transmission quality can be achieved during data transmission, and furthermore, the retransmission times and the error frame rate are reduced, and the network throughput is decreased.07-29-2010
20100227560METHOD AND APPARATUS FOR ESTIMATING TIME OF ARRIVAL - Method and apparatus are provided for estimating Time of Arrival (“TOA”). The method includes: performing channel estimation according to a Normal Burst (“NB”) free of interference and a local training sequence and generating a channel estimate, performing TOA estimation according to the channel estimate, and adjusting a synchronization position of the current NB according to a TOA estimation result. Interference to signals is cancelled before the TOA estimation, thus overcoming energy estimate deviation arising from interference in a strongly interfering radio environment, as occurs in the prior art, and preventing the impact on the TOA estimation. The disclosed methods and apparatus provide for more accurate energy estimates in a strongly interfering radio environment. The technical solution under the present invention does not require adjustment of the method of adjusting the search window.09-09-2010
20100290347METHOD, DEVICE AND SYSTEM FOR DIAGNOSING WHETHER NODES ARE ABNORMAL IN P2P NETWORK - In the field of communications, a method, device and system for diagnosing whether nodes are abnormal are provided. The method includes: sending a diagnostic message with an identifier of a message to be detected; determining whether an acknowledgement message sent from a node corresponding to the diagnostic message is received; and if the acknowledgement message is received, determining that the node is a normal node; otherwise, determining that the node is an abnormal node. A device for diagnosing whether nodes are abnormal, an intermediate node device and a system for diagnosing whether nodes are abnormal are further provided. The method, device and system have the advantage of diagnosing whether a node is abnormal and whether a node is an abnormal node.11-18-2010
20100322331ADAPTIVE CODEBOOK PROCESSING METHOD - An adaptive codebook processing method comprises: step S102, initializing the local codebook set by using the initial codebook set; and step S104, updating the initialized local codebook set by using the feedback codebook set.12-23-2010
20110004699METHOD, SYSTEM AND SESSION CONTROL UNIT FOR RELIEVING NETWORK TRAFFIC - The present invention relates to the Internet field, and discloses a method, system and session control unit for relieving network traffic. The method includes: receiving a content request message; searching a network for data corresponding to content requested by the content request message, and selecting a content replication point according to a search result; and instructing the selected content replication point to replicate and forward the data to a requesting node. The session control unit includes a receiving unit, a searching unit, a selecting unit, and an instruction sending unit. The system includes a session control unit and a content replication point. In the technical solution under the present invention, a content replication point is selected intelligently by identifying the user request information, and the selected content replication point is responsible for replicating and forwarding the data, thus relieving the network traffic and load.01-06-2011
20110093564METHOD, SYSTEM, SERVICE SELECTION ENTITY FOR SELECTING SERVICE PROVISION ENTITY - The present invention discloses a method, system, service selection entity, and service management entity for selecting a service provision entity in a peer-to-peer (P2P) network, so as to select heterogeneous service provision entities for heterogeneous service requesting entities. The method includes: receiving service capability information of service provision entities; obtaining service request information of a service requesting entity; and selecting a service provision entity of an appropriate service capability to provide a service for the service requesting entity according to the service capability information of service provision entities and the service request information of the service requesting entity. The present invention is applicable to P2P overlay networks.04-21-2011

Patent applications by Feng Li, Shenzhen CN