Patent application number | Description | Published |
20090040941 | METHOD AND SYSTEM FOR MEASURING NETWORK PERFORMANCE - A method for measuring network performance is provided in the present invention. The method is used to obtain a network address binding relationship of a measured flow from a network address translation (NAT) device between two measurement points, and configure flow description of the measured flow and the network address binding relationship to the measurement points. The measurement point extracts a target packet belonging to the measured flow according to the flow description or according to the flow description and the network address binding relationship, uses the network address binding relationship to make different measurement points create the same packet identification (ID) for the same packet, and generates and reports a packet abstract data according to a flow ID and the packet ID. Then, network performance indexes are calculated according to the packet abstract data reported by the measurement points. A network system is further provided in the invention. | 02-12-2009 |
20090040942 | METHOD AND SYSTEM FOR MEASURING NETWORK PERFORMANCE - A method for measuring network performance is disclosed to solve the problem in active network performance measurement that a measurement point on receiving a packet is unable to determine the source of the packet after the network address translation (NAT). The method includes that a first measurement point constructs a probe packet containing address information about the first measurement point in a data field thereof based on a measurement instruction and sends the probe packet to a second measurement point via a NAT device for translating the network address, and the second measurement point receives the probe packet and determines the source of the packet according to the address information in the packet; and finally calculates network performance metrics, according to related information in the probe packet. A network system is also disclosed. | 02-12-2009 |
20100214917 | Method for admission control, and apparatus and communication system thereof - The present invention relates to network communication field. A method for admission control, an apparatus and a communication system thereof are disclosed according to the present invention. The method includes measuring, by an egress node, traffic from an ingress node, and calculating a current congestion degree; comparing, by the egress node, the current calculated CLE with a last calculated CLE, and sending the current calculated CLE to an admission control decision entity by the egress node if the current calculated CLE crosses a predetermined threshold; receiving and storing the CLE by the admission control decision entity; and making a decision by the admission control decision entity based on the stored CLE, when a service traffic request arrives at the admission control decision entity, and determining whether to admit the service traffic request. According to the method for admission control provided by the present invention in which CLE is transferred proactively, the number of messages for transferring CLE is reduced when calling rate is high, and admission decision procedure is accelerated. | 08-26-2010 |
20110090922 | METHOD, APPARATUS, AND SYSTEM FOR ADJUSTING MULTIMEDIA ENCODING RATE - A method, an apparatus, and a system for adjusting a multimedia encoding rate are disclosed. The method includes: obtaining an expected multimedia encoding rate by using the available network bandwidth corresponding to the transmission path of a multimedia service, the expected QoE of the multimedia service, and the current multimedia encoding rate as input parameters and according to a preset multimedia resource policy decision, where the expected multimedia encoding rate is used as a reference for adjusting the current multimedia encoding rate. With the present disclosure, under the current network performance, an optimal point for balancing the effects of the media encoding rate and the network performance on the QoE is found by adjusting the multimedia encoding rate, thus achieving optimal QoE. In this way, the adjustment process is simple and fast and the success rate is high, thus improving the QoE. | 04-21-2011 |
Patent application number | Description | Published |
20110288845 | CONSTRUCTION METHOD AND SYSTEM OF FRAGMENTS ASSEMBLING SCAFFOLD, AND GENOME SEQUENCING DEVICE - The present invention relates to gene engineering filed, and provides a genome sequencing device, construction method of fragments assembling scaffold and system thereof. The method comprises the following steps: mapping the double-barreled data obtained through sequencing to contigs; calculating the mean length between contigs based on multiple pairs of double-barreled data mapped to contigs, which is taken as the gap size between contigs; constructing scaffold based on gap size between contigs and the double-barreled relation between contigs; and obtaining complete scaffold graph. Since the mean length between contigs is calculated from multiple pairs of double-barreled data and is taken as the gap size between contigs, the estimation precision of gap size between contigs is improved greatly. It can be used for genome sequencing including short sequencing read length to finish task of assembling sequencing fragments. | 11-24-2011 |
20110295784 | ERROR CORRECTING METHOD OF TEST SEQUENCE, CORRESPONDING SYSTEM AND GENE ASSEMBLY EQUIPMENT - The present invention provides an error correcting method of test sequence, which involves receiving test sequences, configuring high frequency short string list based on a preset high frequency threshold value, traversing each received test sequence, searching an area with the largest number of continuous high frequency short strings on each test sequence in combination with high frequency short string list, configuring whole left sequence and/or right sequence of high frequency short strings at left side and/or right side of searched area according to corresponding received test sequence and high frequency short string list, and constituting corresponding test sequence according to configured left and/or right sequence and searched area. The present invention also provides corresponding error correcting system of test sequence and gene assembly equipment. | 12-01-2011 |
20130345095 | METHOD AND DEVICE FOR ASSEMBLING GENOME SEQUENCE - A method and an apparatus for genome assembly are provided. The method comprises: filtering a short-fragment-sequence output from end sequencing of an large insert-size library to remove unqualified sequence; aligning the filtered short-fragment-sequence onto a reference genome sequence, wherein, the filtered short-fragment-sequences comprise paired short-fragment-sequences; sorting the paired short-fragment-sequence after alignment into soap reads sequence, single reads sequence and unmap reads sequence based on the aligning result, and counting the number of each sort of sequence; calculating a distance between the paired soap reads on a fragment of the reference genome sequence, wherein a pair of the paired soap reads can be aligned onto a same fragment of the reference genome sequence; and counting a distance distribution of each pair of soap reads on the reference genome sequence; and assembling the genome sequence by using the paired single reads upon the distance distribution meeting a requirement of a threshold, wherein a pair of the paired single reads can be aligned onto two different fragments of the reference genome sequence. | 12-26-2013 |
20140249038 | Method of detecting a pre-determined event in a nucleic acid sample and system thereof - Disclosed are a method of detecting a pre-determined event in a nucleic acid sample and a system thereof. The method of detecting the pre-determined event in the nucleic acid sample comprises the following steps: constructing a sequencing-library for the nucleic acid sample; sequencing the sequencing-library to obtain a sequencing result consisting of a plurality of sequencing data; determining the sequencing data from a pre-determined region; and determining an occurrence of the pre-determined event in the nucleic acid sample based on a composition of the sequencing data from the pre-determined region. | 09-04-2014 |
20140323320 | METHOD OF DETECTING FUSED TRANSCRIPTS AND SYSTEM THEREOF - Provided is a method of detecting method of detecting fusion transcripts in a sample to be analyzed. The method may comprises: subjecting the sample to be analyzed containing a RNA transcriptome to paired-end sequencing, to obtain paired-end RNA-Seq data of the sample to be analyzed; aligning the paired-end RNA-Seq data to a human reference genome sequence, to obtain first paired-end mapped reads, first single-end mapped reads, and first unmapped reads; evaluating an insertsize between two ends of the paired-end mapped reads by means of the first paired-end mapped reads, to obtain a proportion of paired-end mapped reads with overlapped 3′-ends; aligning the first unmapped reads to annotated transcripts, to obtain second single-end mapped reads and second unmapped reads; aligning the second unmapped reads to the annotated transcripts, to filter out unmapped reads caused by indel and obtain third unmapped reads; merging all single-end mapped reads, to obtain a set of single-end mapped reads; obtaining a gene pair linked by a cross-read as a primary set of candidate gene pairs based on the set of single-end mapped reads and combining with a relationship of the mapped paired-end reads; subjecting the primary set of candidate gene pairs to a filtration, to obtain a candidate set of fused gene pairs; bisecting the third unmapped read, to obtain a half-unmapped read; aligning the half-unmapped read to a gene-junction sequence in the candidate set of fused gene pairs, to obtain a potent region of a fused junction site in the gene in which the half-unmap read locates; outputting original reads of mapped half-unmapped reads, to obtain useful unmapped reads; subjecting the candidate set of fused gene pairs to a fusion simulation; aligning the useful unmapped reads to a junction library, to obtain a fused gene supported by the useful unmapped reads; calculating and gathering the fused sequence supported by the useful unmapped reads, to obtain information of the fused gene. And a system for detecting fusion transcripts is also provided. | 10-30-2014 |
20140336075 | METHOD AND SYSTEM FOR DETERMININING WHETHER GENOME IS ABNORMAL - The present invention provides a method and system for determining whether a genomic abnormality exists. The method for determining whether a genomic abnormality exists includes the steps of: separating fetal nucleated red blood cells from a sample from a pregnant woman; sequencing at least a part of the genome of the nucleated red blood cells, so as to obtain a sequencing result; and on the basis of the sequencing result, determining whether a genomic abnormality exists in the nucleated red blood cells. | 11-13-2014 |
20140350866 | Method of Gap Closing in Nucleotide Sequence and Apparatus Thereof - Provided is a method of gap closing in nucleotide sequence. The nucleic acid sequence comprises a first contig at one end of a gap in an unassembled region, and a second contig at the other end of the gap in the unassembled region. The method comprises: selecting reads having an overlap with one end of the first contig close to the gap as a set of reads for gap closing; selecting reads having a shortest overlap with the first contig in the set of reads for gap closing as a candidate read; determining whether reads having an overlapping length with the first contig shorter than an overlapping length between the candidate read and the first contig present in the set of reads for gap closing, and determining whether reads having no overlapping relationship with the candidate read present in the set of reads for gap closing; obtaining a result of presenting an extension conflict, and determining an unconfident candidate read, if reads having an overlapping length with the first contig shorter than an overlapping length between the candidate read and the first contig present in the set of reads for gap closing, reads having no overlapping relationship with the candidate read present in the set of reads for gap closing, or both reads having an overlapping length with the first contig shorter than an overlapping length between the candidate read and the first contig, and reads having no overlapping relationship with the candidate read present in the set of reads for gap closing; reselecting the candidate read until obtaining a confident candidate read, if the candidate read is unconfident; connecting the confident candidate read to the first contig, to form a new first contig; determining whether one end of the new first contig close to the gap has an overlap with one end of the second contig close to the gap; performing the step of selecting the set of reads for gap closing on the basis of the new first contig, if the one end of the new first contig close to the gap has no overlap with the one end of the second contig close to the gap, wherein the first contig in the step of selecting the set of reads for gap closing is replaced with the new first contig; connecting the new first contig to the second contig to complete gap closing, if one end of the new first contig close to the gap has an overlap with one end of the second contig close to the gap. | 11-27-2014 |
20140364321 | Method for analyzing DNA methylation based on MspJI cleavage - Provided is a method for detecting DNA methylation based on MspJI cleavage and performing bioinformatics analysis of genomic methylation. | 12-11-2014 |
20140370504 | METHOD FOR DETECTING GENETIC VARIATION - The present invention relates to a method for detecting genetic variation, comprising the following steps: acquiring reads from a test sample; aligning said reads with a reference genome sequence; dividing said reference genome sequence into windows, calculating the number of said reads which are aligned to each window, and acquiring the statistic for each window on the basis of the number of said reads; and for a fragment of the reference genome sequence, acquiring the genetic variation sites on the basis of the change in the statistics of all the windows thereon in the fragment of the reference genome sequence. | 12-18-2014 |
20150031552 | METHOD FOR DETECTING HYDROXYLMETHYLATION MODIFICATION IN NUCLEIC ACID AND USE THEREOF - A method for detecting hydroxymethylation modification in nucleic acid comprises: glycosylating the nucleic acid, digesting with MspI, ligating the digested fragments to a biotin-labeled linker at both ends thereof, digesting with NlaIII; capturing the digested fragments using streptavidin magnetic beads to produce fragments having the biotin-labeled linker at one end and a CATG 4-base sticky end at the other end, wherein these fragments reveal modification information of their adjacent CCGG sites; ligating the CATG sticky end to a linker containing a recognition site of MmeI or Ecop15I, digesting with corresponding restriction endonuclease to produce short sequence fragments that can reveal modification information of their adjacent CCGG sites; and performing a tag number comparison to obtain information about methylation and hydroxymethylation modification relative levels. A use of the method is also provided. | 01-29-2015 |
20150037286 | USE OF ROSEBURIA IN THE PREVENTION AND TREATMENT FOR OBESITY RELATED DISEASES - The present invention provides use of | 02-05-2015 |
Patent application number | Description | Published |
20090262788 | METHOD AND DEVICE FOR FEEDING BACK AND RECEIVING DOWNLINK CHANNEL INFORMATION - A method and a device for feeding back and receiving downlink channel information are disclosed, whereby spectrum utilization ratio of downlink channel information feedback is enhanced. According to the present invention, a wireless terminal superposes an uplink user information sequence with spectrum-spread downlink channel information before transmission. A network side de-spreads a received signal before estimating the downlink channel information, and then detects the user information sequence after subtracting the estimated downlink channel information from the received signal. An orthogonal code can be employed to spread the spectrum of the downlink channel information. The wireless terminal and base station use a plurality of antennas for transmission and reception. | 10-22-2009 |
20090285156 | METHOD, APPARATUS AND SYSTEM FOR SCHEDULING SDMA CODEBOOKS - A method for scheduling an SDMA codebook includes: selecting, by a user, a most matching precoding matrix and a minimally interfering cluster in the SDMA codebook according to Channel State Information, CSI, of the user; calculating a data transmission rate supportable when the user undergoes interference caused by the minimally interfering cluster; and feeding back an index of the most matching precoding matrix, an index of the minimally interfering cluster, and the data transmission rate to a base station. An apparatus and system for scheduling an SDMA codebook is also provided. | 11-19-2009 |
20090290656 | MULTI-USER MIMO METHOD, APPARATUS AND COMMUNICATION SYSTEM FOR TRANSMITTING SIGNAL - A multi-user multi-input multi-output (MIMO) method for transmitting signal with a includes: performing a Tomlinson-Harashima pre-coding (THP) on raw data; decomposing a channel matrix to a product of a block triangular matrix and a unitary matrix, and generating a signal to be transmitted by performing a forward filtering on the THP coded data by using the unitary matrix. A multi-user MIMO apparatus for transmitting signal includes an interference pre-eliminating unit, a modulo unit, a forward filtering unit, and a channel matrix decomposing unit. A multi-user MIMO communication system is further provided. | 11-26-2009 |
20100265843 | Method, Apparatus and System for Forming Time Division Duplex Multi-Input Multi-Output Downlink Beams - In a method for forming TDD MIMO downlink beams, a BS receives an index of a codebook element from a mobile terminal. The codebook element refers to a codebook element whose correlation value has a greatest modulus value among correlation values that are calculated by the mobile terminal and are about correlation between the codebook element and a channel corresponding to a non-transmitting antenna of the mobile terminal. The BS calculates a channel vector corresponding to the non-transmitting antenna of the mobile terminal. The BS calculates channel vectors of the transmitting antennas of the mobile terminal, and performs SVD to determine a best transmitting precoding matrix. | 10-21-2010 |
20100265855 | METHOD, APPARATUS AND SYSTEM FOR FORMING TIME DIVISION DUPLEX MULTI-INPUT MULTI-OUTPUT DOWNLINK BEAMS - A method, an apparatus, and a system for forming Time Division Duplex (TDD) Multi-Input Multi-Output (MIMO) downlink beams are disclosed herein. The method includes: generating a transmitting beam of a first data stream according to a Maximum Rate Transmission (MRT) criterion; and generating transmitting beams of other data streams except the first data stream, wherein the transmitting beams of other data streams are confined in a null space of the transmitting beam of the first data stream. Through the embodiments of the present invention, the Base Station obtains precise Partial Channel State Information by using only reciprocity without requiring feedback information, and thus the calculation is simplified and the rate of data streams is improved. | 10-21-2010 |
20100290549 | Method, System and Apparatus for Improving Throughput Performance of Space Division Multiple Access System - A method, a system, and an apparatus for improving throughput performance of an SDMA system are disclosed herein. The method includes BTS receiving feedback information sent by a UE, where the feedback information comprises an ID of a preferred beam of the UE in a pre-coding codebook, information related to a channel vector modulus value, and information about phase difference between a channel vector and the preferred beam of the UE, and the BTS using a set estimation algorithm to estimate sum throughputs supported by a current SDMA system in each sending mode according to the received feedback information and information about space correlation between multiple antennas of the BTS, selecting a maximum sum throughput among the estimated sum throughputs, and using the sending mode corresponding to this sum throughput to send data. The method, system, and apparatus provided herein improve transmitting performance of the SDMA system. | 11-18-2010 |
Patent application number | Description | Published |
20110271054 | Mobile Network Access Device, System and Method - A mobile network access device, system and method are disclosed. The method includes sending data or a command to a storing unit or a baseband processing unit according to a logical address in a Secure Digital (SD) command, where the SD command is a result of converting a Small Computer System Interface (SCSI) Command Descriptor Block (CDB) after a terminal device encapsulates the received data or command into the SCSI CDB. In the embodiments of the present invention, the wireless Internet access function is integrated into an SD card. The mobile network access device determines to send the data or command to the baseband processing unit or storing unit according to the logical address in the SD command, which reduces the size of the mobile network access device and enables developers to design smaller terminal products. | 11-03-2011 |
20130045777 | WIRELESS COMMUNICATIONS MODULE, USER EQUIPMENT, AND WIRELESS COMMUNICATION METHOD - A wireless communications module, a User Equipment (UE), and a wireless communication method. One embodiment of the present invention comprises a wireless communications module, including: a baseband processor; a Secure Digital (SD) card interface coupled to the baseband processor; a Subscriber Identity Module unit (SIM unit), coupled to the baseband processor, configured to store parameter information including subscriber identity information; and a Radio Frequency (RF) processing unit coupled to the baseband processor, wherein the baseband processor is configured to process a baseband signal based on the parameter information. With at least some embodiments of the present invention, the space occupied by the wireless communications module reduced, UEs capable of Internet access are diversified, and the user experience is improved. | 02-21-2013 |
20130047212 | Wireless Internet-Accessing Module, Host, Communication Method Thereof, and Data Card - A communication method for a host and a wireless Internet access module, and a data card, are provided so that the host implements wireless Internet access with the wireless Internet access module of a secure digital interface. The method includes simulating each port on a wireless Internet access processing function unit in a wireless Internet access module into a secure digital card partition and reporting the secure digital card partition to a host side; receiving downlink interaction information from the host side encapsulated in a secure digital card interface format, decapsulating the downlink interaction information, and delivering the decapsulated downlink interaction information to a corresponding port; and receiving uplink interaction information reported to the host side from each port, encapsulating the received uplink interaction information in the secure digital card interface format, and sending the encapsulated uplink interaction information to the host side. | 02-21-2013 |
20130055351 | Wireless Internet Access Module, Communication Method for Host and Wireless Internet Access Module, and Data Card - A communication method for a host and a wireless Internet access module, and a data card, are provided so that the host implements wireless Internet access with the wireless Internet access module of a secure digital interface. The method includes simulating each port on a wireless Internet access processing function unit in a wireless Internet access module into a secure digital card partition and reporting the secure digital card partition to a host side; receiving downlink interaction information from the host side encapsulated in a secure digital card interface format, decapsulating the downlink interaction information, and delivering the decapsulated downlink interaction information to a corresponding port; and receiving uplink interaction information reported to the host side from each port, and encapsulating the received uplink interaction information in the secure digital card interface format. | 02-28-2013 |
20130055352 | Wireless Internet Access Module, Communication Method for Host and Wireless Internet Access Module, and Data Card - A communication method for a host and a wireless Internet access module, and a data card, are provided so that the host implements wireless Internet access with the wireless Internet access module of a secure digital interface. The method includes simulating each port on a wireless Internet access processing function unit in a wireless Internet access module into a secure digital card partition and reporting the secure digital card partition to a host side; receiving downlink interaction information from the host side encapsulated in a secure digital card interface format, decapsulating the downlink interaction information, and delivering the decapsulated downlink interaction information to a corresponding port; and receiving uplink interaction information reported to the host side from each port, encapsulating the received uplink interaction information in the secure digital card interface format. | 02-28-2013 |
20130055353 | Wireless Internet Access Module, Communication Method for Host and Wireless Internet Access Module, and Data Card - A communication method for a host and a wireless Internet access module, and a data card, are provided so that the host implements wireless Internet access with the wireless Internet access module of a secure digital interface. The method includes simulating each port on a wireless Internet access processing function unit in a wireless Internet access module into a secure digital card partition and reporting the secure digital card partition to a host side; receiving downlink interaction information from the host side encapsulated in a secure digital card interface format, decapsulating the downlink interaction information, and delivering the decapsulated downlink interaction information to a corresponding port; and receiving uplink interaction information reported to the host side from each port, encapsulating the received uplink interaction information in the secure digital card interface format. | 02-28-2013 |
20130061286 | Wireless Internet Access Module, Communication Method for Host and Wireless Internet Access Module, and Data Card - A communication method for a host and a wireless Internet access module, and a data card, are provided so that the host implements wireless Internet access with the wireless Internet access module of a secure digital interface. The method includes simulating each port on a wireless Internet access processing function unit in a wireless Internet access module into a secure digital card partition and reporting the secure digital card partition to a host side; receiving downlink interaction information from the host side encapsulated in a secure digital card interface format, decapsulating the downlink interaction information, and delivering the decapsulated downlink interaction information to a corresponding port; and receiving uplink interaction information reported to the host side from each port, encapsulating the received uplink interaction information in the secure digital card interface format. | 03-07-2013 |
Patent application number | Description | Published |
20100207582 | Multi-Cell Protection Circuit and Method - A multi-cell protection circuit and method. The multi-cell protection circuit comprises one or more multi-cell protection chips, a charge control switch (M | 08-19-2010 |
20120024838 | BATTERY HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING USING RESONANCE COMPONENTS IN SERIES - According to certain embodiments, a battery heating circuit is provided, comprising a switch unit | 02-02-2012 |
20120025754 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES BASED ON CHARGE BALANCING - Certain embodiments of the present invention disclose a battery heating circuit, wherein: the battery comprises a battery E | 02-02-2012 |
20120025755 | CIRCUITS AND METHODS FOR HEATING BATTERIES IN PARALLEL USING RESONANCE COMPONENTS IN SERIES - Certain embodiments of the present invention provide a battery heating circuit, wherein: the battery comprises a first battery and a second battery; the heating circuit comprises a first switch unit, a second switch unit, a damping component R | 02-02-2012 |
20120025756 | CIRCUITS AND METHODS FOR HEATING BATTERIES IN SERIES USING RESONANCE COMPONENTS IN SERIES - Certain embodiments of the present invention provide a battery heating circuit, wherein: the battery comprises a first battery (E | 02-02-2012 |
20120025772 | BATTERY HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES - According to certain embodiments, a battery heating circuit comprises a switch unit | 02-02-2012 |
20120025774 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 02-02-2012 |
20120025775 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES BASED ON CURRENT LIMITING AND VOLTAGE INVERSION WITH BI-DIRECTIONALITY - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 02-02-2012 |
20120025776 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING VOLTAGE INVERSION - According to some embodiments of the present invention, a battery heating circuit comprises a switch unit | 02-02-2012 |
20120025777 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING ENERGY TRANSFER - According to some embodiments, a battery heating circuit, comprising a switch unit | 02-02-2012 |
20120025778 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING ENERGY TRANSFER AND VOLTAGE INVERSION - According to certain embodiments, a battery heating circuit, comprising a switch unit | 02-02-2012 |
20120025779 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES BASED ON CURRENT LIMITING AND VOLTAGE INVERSION WITH BI-DIRECTIONALITY AND COMMON INDUCTANCE - Certain embodiments of the present invention provide a battery heating circuit, wherein: a battery E, a damping component R | 02-02-2012 |
20120025780 | HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES AND FREEWHEELING CIRCUIT COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit ( | 02-02-2012 |
20120025781 | BATTERY HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES AND MULTIPLE CHARGE STORAGE COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a plurality of switch units ( | 02-02-2012 |
20120025782 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES AND BRIDGE CHARGE STORAGE COMPONENTS - According to certain embodiments, a battery heating circuit is provided, comprising a first switch unit ( | 02-02-2012 |
20120025783 | BATTERY HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES AND CURRENT LIMITING COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 02-02-2012 |
20120031890 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING VOLTAGE INVERSION AND FREEWHEELING CIRCUIT COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit ( | 02-09-2012 |
20120032642 | BATTERY HEATING CIRCUITS AND METHODS WITH RESONANCE COMPONENTS IN SERIES USING VOLTAGE INVERSION BASED ON PREDETERMINED CONDITIONS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit ( | 02-09-2012 |
20120161711 | BATTERY HEATING CIRCUITS AND METHODS USING TRANSFORMERS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit ( | 06-28-2012 |
20120279951 | BATTERY HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES AND MULTIPLE CHARGE STORAGE COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a plurality of switch units | 11-08-2012 |
20120280658 | HEATING CIRCUITS AND METHODS BASED ON BATTERY DISCHARGING AND CHARGING USING RESONANCE COMPONENTS IN SERIES AND FREEWHEELING CIRCUIT COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 11-08-2012 |
20120280659 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES AND BRIDGING CHARGE STORAGE COMPONENTS - According to certain embodiments, a battery heating circuit is provided, comprising a first switch unit | 11-08-2012 |
20120299551 | BATTERY HEATING CIRCUITS AND METHODS USING TRANSFORMERS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 11-29-2012 |
20120306432 | BATTERY HEATING CIRCUITS AND METHODS USING RESONANCE COMPONENTS IN SERIES BASED ON CHARGE BALANCING - Certain embodiments of the present invention disclose a battery heating circuit, wherein: the battery comprises a battery E | 12-06-2012 |
20130127398 | CIRCUITS AND METHODS FOR HEATING BATTERIES IN SERIES USING RESONANCE COMPONENTS IN SERIES - Certain embodiments of the present invention provide a battery heating circuit, wherein: the battery comprises a first battery E | 05-23-2013 |
20130134146 | BATTERY HEATING CIRCUITS AND METHODS USING VOLTAGE INVERSION AND FREEWHEELING CIRCUIT COMPONENTS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 05-30-2013 |
20130134945 | BATTERY HEATING CIRCUITS AND METHODS USING VOLTAGE INVERSION BASED ON PREDETERMINED CONDITIONS - Certain embodiments of the present invention provide a battery heating circuit, comprising a switch unit | 05-30-2013 |
20130141032 | CIRCUITS AND METHODS FOR HEATING BATTERIES IN PARALLEL USING RESONANCE COMPONENTS IN SERIES - Certain embodiments of the present invention provide a battery heating circuit, wherein: the battery comprises a first battery and a second battery; the heating circuit comprises a first switch unit, a second switch unit, a damping component R | 06-06-2013 |
20140329113 | Electric Vehicle Running Control System - An electric vehicle running control system is provided. The electric vehicle running control system comprises a heating circuit coupled with an in-vehicle battery and configured to heat the in-vehicle battery. The vehicle running control system further comprises a load capacitor and a first current storage element. The first current storage element may be coupled with the load capacitor and the heating circuit respectively configured to reduce interference between the heating circuit and the load capacitor. | 11-06-2014 |
Patent application number | Description | Published |
20090166113 | Hybrid Vehicle Having Engagable Clutch Assembly Coupled Between Engine And Traction Motor - A hybrid vehicle includes a battery system, an internal combustion engine, a first motor/generator, a second motor/generator, and an engageable clutch assembly. The engageable clutch assembly is disposed between the internal combustion engine and the first motor/generator. When engaged, the engageable clutch assembly couples the rotor spindle of the second motor/generator with the hollow rotor shaft of the first motor/generator. The engageable clutch assembly may also operate in a first mechanical mode that selectively engages and disengages the internal combustion engine from the second motor/generator, or operate in a second mechanical mode that dampens shock between the internal combustion engine and the first motor/generator when the international combustion engine operates at a rotational speed that is different than a rotational of the first motor/generator. | 07-02-2009 |
20090166122 | Hybrid Vehicle Having Power Assembly Arranged Transversely In Engine Compartment - A hybrid vehicle includes two front wheels, two rear wheels, an internal combustion engine, a first motor/generator, and a second motor/generator. The first motor/generator may be rotatably coupled to the internal combustion engine, and the second motor/generator may be rotatably coupled to at least one wheel of the hybrid vehicle. The first motor/generator, the second motor/generator and a gear transmission are housed within the engine compartment and are located between two front wheels and arranged in a substantially linear manner. The first motor/generator, the second motor/generator, and the gear transmission are located substantially above a centerline of the front wheels of the vehicle | 07-02-2009 |
20090166123 | Hybrid Vehicle Having Torsional Coupling Between Engine Assembly And Motor-Generator - A hybrid vehicle has a power system with a torsional coupling. The power system includes a battery system for receiving, storing and providing electrical power, an internal combustion engine configured to provide rotational power through a flywheel, a first motor-generator, a second motor-generator, a control system, and a torsional coupling. The torsional coupling may absorb rotational shock caused by angular or rotational speed differences between the engine and the first motor-generator. The torsional coupling includes a driven plate assembly, a cover assembly and an interconnecting plate assembly. The interconnecting plate assembly may include a plurality of shock absorbing elements that absorb shock and vibration between the engine and the motor-generator. | 07-02-2009 |
20110107863 | HYBRID POWER DRIVING SYSTEM - A hybrid power driving system of the present invention comprises an engine, a first clutch, a transmission mechanism including a transmission shaft, a first motor, a power supply and a hydraulic control system. The hydraulic control system may comprise an oil container; a first hydraulic cylinder which includes a cylinder and a piston to perform a reciprocating motion along the inner wall of the cylinder, used for controlling the engagement of the first clutch; a first oil pump driven by the first motor, configured to supply hydraulic oil from the oil container to the cylinder barrel of the first hydraulic cylinder; a controller which is electrically coupled with the first motor. The hydraulic control system may further comprise an additional motor and a second oil pump. The additional motor is electrically coupled with the power supply and the controller respectively. The second oil pump is driven by the additional motor, used for supplying hydraulic oil from the oil container to the cylinder barrel of the first hydraulic cylinder. | 05-12-2011 |
20110160015 | HYBRID POWER DRIVING SYSTEM AND GEAR POSITION OPERATION METHOD THEREOF - A hybrid power driving system for a vehicle comprises an internal-combustion engine, a first electric motor, a second electric motor, a planetary coupling mechanism, a speed-reduction mechanism and a differential mechanism. An output shaft of the internal-combustion engine is connected with an input shaft of the first electric motor, and an output shaft of the first electric motor is connected with an output shaft of the second electric motor via a first clutch. The output shaft of the second electric motor is connected with one of a sun gear and a ring gear of the planetary coupling mechanism at a position of the output shaft along its axial direction. And the output shaft of the second electric motor is connected with the other one of a sun gear and a ring gear at another position of the output shaft along the axial direction via a second clutch. | 06-30-2011 |
20120073394 | DRIVE SYSTEM OF AN ELECTRIC VEHICLE - A drive system of an electric vehicle includes a drive motor, a transmission and a hydraulic system. The transmission has an input shaft, a countershaft, an output shaft, a first transmission unit placed between the countershaft and the output shaft, a first clutch, a second transmission unit placed between the countershaft and the input shaft, and a second clutch. The drive motor is attached to the input shaft, which is attached to the countershaft to provide power of the drive motor to the countershaft; the first clutch is configured for linking or cutting off the power transmission between the countershaft and the first transmission unit; and the second clutch is configured for linking or cutting off the power transmission between the countershaft and the second transmission unit. The first transmission unit has a first transmission ratio greater than a second transmission ratio of the second transmission unit. | 03-29-2012 |
20130180358 | HYDRAULIC SYSTEM, DRIVING SYSTEM AND ELECTRIC VEHICLE - A hydraulic system of an electric vehicle may comprise: an oil container; a first and a second clutch driving circuits connected in parallel; an internal pump driven by a driving system of the electric vehicle; a first check valve connected in series at an outlet side of the internal pump; an external pump driven by an external pump motor; and a second check valve connected in series at an outlet side of the external pump. The first check valve and the internal pump connected in series and the second check valve and the external pump connected in series are connected in parallel between the oil container and the first and second clutch driving circuits. | 07-18-2013 |
Patent application number | Description | Published |
20090080627 | BILLING METHOD AND SYSTEM, AND BILLING SERVER - This invention relates to the field of communication technology, and provides a billing method and system, and a billing server. The method includes: generating, by a PBX, billing ticket information and reporting the billing ticket information to a billing server when an incoming call from an external user to an internal user of the PBX, an outgoing call from an internal user of the PBX, or a call between internal users of the PBX occurs; receiving and storing, by the billing server, the billing ticket information reported from the PBX; initiating, by the billing server, a service connection to a billing center through the PBX, or triggering, by the billing server, a fixed wireless station to initiate a service connection to a billing center directly when the PBX system is in an idle state; and sending, by the billing server, the stored billing ticket information to the billing center after the connection is established successfully. The present invention can implement billing for internal calls within the service scope of a wireless PBX without too many modifications to the existing network equipment, and has little adverse effect on the call. | 03-26-2009 |
20090190725 | DIAL TESTING SYSTEM AND METHOD - A dial testing system and a dial testing method using the dial testing system are provided. The dial testing system includes a dial testing agent device adapted to perform an automatic dial testing through a network element and control an automatic dial testing result reported by the network element; and a dial testing server adapted to collect the automatic dial testing result reported by the dial testing agent device. The dial testing system and the dial testing method provided by the present invention may assure allsidedness of a dial testing, enhance the speed and quality of the dial testing operation, and save a large amount of manpower and material resources. | 07-30-2009 |
20100103905 | METHOD AND SYSTEM FOR SERVICE LINK HANDOVER - A method and a system for service link handover are provided. The method and the system are in a communication technical field. The method is as follows. Apply for service processing resources of a second service processing unit. A service link establishment message is sent to the second service processing unit, in which the message carries link address information of a first service node and a second service node, such that the second service processing unit binds link addresses of the first service node and the second service node. A response message from the second service processing unit is received, and a link handover indication message is sent to the first service node and the second service node, such that the first service node and the second service node hand over link connections to the second service processing unit. Thus, an efficiency of a rolling upgrade is improved and a service interruption possibly caused by the rolling upgrade is avoided when units in the same resource pool perform the rolling upgrade. | 04-29-2010 |
20100248725 | Handoff Method, Switching Device and Terminal - A handoff method, a switching device, and a terminal are provided. A first service link is established between a first terminal and a second terminal through a switching device. The method includes the following steps. A first switching device receives a call request from the first terminal, and the first switching device sends a link establishment request to the switching device on the first service link according to the call request. A switching device and a terminal are also provided. By adopting the handoff method, the switching device, and the terminal, only the switching device on the first service link is updated to support the universal handoff logic, and there is no requirement of whether the first switching device supports the universal handoff logic. In the case that it is difficult to update all the switches one by one to support the universal handoff logic in the current network, the handoff method is simple to operate and has wide universality. | 09-30-2010 |
20120030373 | ROUTING METHOD, ROUTING APPARATUS, AND COMMUNICATIONS SYSTEM - A routing method, apparatus, and communications system are provided. A routing method is applied to a network shared by multiple operators. The method includes: when receiving a service request message of a user terminal, obtaining, according to the shared resources occupied by the user terminal, the information about the operator to which the occupied shared resources belong from the resource configuration database; and matching the routing information in the connection route list according to the information about the operator to which the occupied shared resources belong, and forwarding the service request message according to successfully matched routing information. With the technical solutions, the operator to which the shared resources belong can charge for the call services of the user terminal. | 02-02-2012 |
20120284388 | METHOD AND DEVICE FOR OPERATING RESOURCE ON SHARED NETWORK ELEMENT - Management of resources on a shared network element is provided to enhance security of user information of the operators having access to the network element. An operation management command is received from a user for operating a resource on a shared network element. According to the operation management command, an operator attribute of the resource to be operated and an operator attribute of the user are acquired. In instances where the operator attribute of the user is consistent with the operator attribute of the resource to be operated, an operating action corresponding to the operation management command is performed. | 11-08-2012 |
20130185421 | Method, Terminal, and Server for Obtaining Heartbeat Period - The present invention provides a method, a terminal, and a server for obtaining a heartbeat period. According to the present invention, the terminal sends a first heartbeat message that includes location information of the terminal to the server and obtains a heartbeat period which corresponds to the foregoing location information directly from the server. This avoids each terminal needing to perform multiple heartbeat message interactions with the server when determining a heartbeat period that best matches a current network, thereby reducing power consumption of the terminal and signaling loads of a device at the network side. | 07-18-2013 |
Patent application number | Description | Published |
20110317458 | SWITCHED-MODE POWER SUPPLY CONTROLLING CIRCUIT AND SWITCHED-MODE POWER SUPPLY USING THE SAME - A controlling circuit is provided for controlling an output voltage of a main circuit of a switched-mode power supply. The controlling circuit includes components that generate a switching status selecting signal reflecting a voltage change of the main circuit, and output a reference voltage according to a voltage output status selected according to the switching status selecting signal. Other components output a pulse width modulation controlling signal according to the reference voltage and a current signal reflecting a current change of the main circuit, and output a pulse frequency modulation controlling signal with a frequency according to a frequency output status selected according to the switching status selecting signal. Yet other components output a switching controlling signal according to the controlling signals, and control a switch of the main circuit to switch-on or switch off according to the switching controlling signal to stabilize the output voltage of the main circuit. | 12-29-2011 |
20130027985 | CONTROL INTEGRATED CIRCUIT OF A SWITCH POWER SUPPLY AND A SWITCH POWER SUPPLY USING THE SAME - A control integrated circuit for controlling a switch power supply, including: a voltage collecting module, configured to collect a feedback voltage based on an output voltage of the switch power supply; an error amplifying module, configured to compare the feedback voltage with a reference voltage and generate an error voltage; a time collecting module, configured to obtain a degaussing time signal based on the feedback voltage; and a constant voltage and current module, configured to collect a peak current feedback signal of a switch transistor, generate a control signal based on the error voltage, the degaussing time signal and the peak current feedback signal, wherein the control signal is for controlling an operating frequency and a duty ratio of the switch transistor, and control the switch transistor according to the control signal. | 01-31-2013 |
20130329465 | QUASI-RESONANT DEVICE AND SYSTEM AND METHOD FOR QUASI-RESONANT CONTROL OF SWITCHING POWER - A quasi-resonant device for a switching power, a quasi-resonant system for a switching power, and a method for a quasi-resonant control of a switching power are provided. The quasi-resonant device includes: a degaussing time sampling module, configured to sample a degaussing time T | 12-12-2013 |
20140130047 | Method, Apparatus, and System for Processing Service Flow - A method, an apparatus, and a system for processing a service flow, which belong to the field of communications. Correspondence between a service application attribute and a service application identifier is preconfigured on an NSP board so that after a service flow carrying the service application attribute is received, the service application identifier of the service flow may be determined, which service application corresponding to a service flow may be known according to the service application identifier corresponding to the service flow, and when a plurality of service applications is deployed on an NSP at the same time, a service flow can be correctly sent to a virtual machine of a corresponding service application for service processing. | 05-08-2014 |
20140280857 | Method, Network Adapter, Host System, and Network Device for Implementing Network Adapter Offload Function - A method, a network adapter, a host system, and a network device for implementing a network adapter offload function. If a data packet received by the network adapter or the host system is a data packet unknown to the network adapter, the data packet unknown to the network adapter is parsed, a new policy entry is generated, and the new policy entry is updated into the host policy table and the network adapter policy table. Therefore, for a packet that includes a new proprietary or standard protocol header Tag, only a functional module that parses the packet needs to be updated, so that the functional module is capable of processing such a packet and delivering a new policy entry to the host policy table and the network adapter policy table and the network adapter does not need to be changed. | 09-18-2014 |
Patent application number | Description | Published |
20110156511 | ELECTRIC MOTOR - An electric motor has a stator and a rotor rotatably mounted in the stator. The rotor has a shaft and a fan mounted on the shaft. A air guide structure with an axial extension portion is arranged at one end of the stator adjacent the fan. The gap between the axial extension portion and the fan in the axial and/or radial direction of the motor is narrow in order to reduce air swirl generated by air flowing from the outlet of the fan to the inlet of the fan through the gap. Preferably, the width of the gap is larger than 0.05 mm and smaller than 2.0 mm. The cooling efficiency of the fan is increased and the performance of the motor is improved. | 06-30-2011 |
20110156526 | ELECTRIC MOTOR - An electric motor includes a stator and a rotor rotatably installed in the stator. The stator has a stator core and windings. The stator core has a yoke and a plurality of teeth extending inwardly from the yoke. The stator includes two end caps disposed at opposite axial ends thereof and a plurality of locking members securing the end caps to the stator core. The windings are wound on the respective teeth, and the locking members extend between the end caps through gaps formed between adjacent teeth. | 06-30-2011 |
20110278970 | ELECTRIC MOTOR - An electric motor has a stator and a rotor rotatably mounted in the stator. The stator includes a stator core and stator windings. A heat dissipating device is mounted around an outer surface of the stator core and configured to absorb heat there from. The heat dissipating device includes a base mounted around the stator core and a plurality of fins extending outwardly from the base in the radial direction. Electronic components are mounted on the heat dissipating device. A fan is mounted on a shaft of the rotor for generating a flow of air inside the stator and through slots between the fins to thereby cool the rotor, stator core, stator windings and electronic components. | 11-17-2011 |
20120007467 | COMMUTATOR - A commutator has a plurality of commutator segments fixed to an insulating support member. The commutator segments are formed by cold or hot forming a copper billet cut from a length of copper wire. Each billet has a volume approximately equal to the volume of one commutator segment. Each commutator segment has a main body and an anchor integrally formed with the main body. The commutator segments are spaced about a circle and then an insulating support member is molded to the commutator segments to fix the commutator segments to the support member. | 01-12-2012 |
20120119627 | ELECTRIC MOTOR - An electric motor includes a stator and a rotor rotatably installed in the stator. The stator includes a pair of end caps disposed at opposite ends thereof, and a pair of bearings respectively fixed to outer surfaces of the end caps from outside thereof. The rotor includes a shaft pivotally supported by the bearings. | 05-17-2012 |
20130229071 | ELECTRIC MOTOR - An electric motor has a stator, a shaft and a rotor. The stator has an annular yoke portion; a plurality of stator teeth inwardly extending from the yoke portion; stator windings wound on the stator teeth; and a molded member made of heat conductive plastic material. The molded member has a plurality of fins arranged on an outer wall of the yoke portion, a covering portion disposed in the spaces between adjacent stator teeth, and two connecting portions respectively located at axially outer end faces of the yoke portion and connected to the covering portion and the fins. The covering portion covers an inner wall of the yoke portion and the stator windings, and connects to the fins via the connecting portions. Heat generated by the stator windings is transmitted to the fins via the covering portion and the connecting portions, where it is dissipated. | 09-05-2013 |
20140300238 | Electric Motor - A rotor for an electric motor has an iron core and a winding wound about teeth of the rotor core. Slots are formed between the teeth to accommodate coils of the winding. The winding includes several layers of windings distributed in the radial direction of the rotor. Each winding layer has a plurality of coils with the coils of each winding layer being wound on the teeth in the circumferential direction of the rotor. The overall center of gravity of the winding layers is substantially positioned at the geometric center of the rotor. Thus the center of gravity of the entire winding is located substantially at the geometric center of the rotor, thereby preventing noise caused by unstable rotation due to the deviation between the center of gravity of the winding and the geometric center of the rotor. | 10-09-2014 |
Patent application number | Description | Published |
20120028666 | PRE-PROCESSING METHOD, SYSTEM, AND APPARATUS FOR COOPERATIVE COMMUNICATION - A pre-processing method and system for cooperative communication are provided. The method includes: after obtaining channel matrices collected by a Base Station (BS), obtaining Multiple-Input Multiple-Output (MIMO) Cooperation Area (CA) information, in which the MIMO CA information includes cooperation information between BSs, and the cooperation information between the BSs is used to determine an interference relation between MIMO CAs; combining the channel matrices of a User Equipment (UE) according to the interference relation between the MIMO CAs; and performing pre-coding computation of the UE by using the combined channel matrices. | 02-02-2012 |
20120087382 | CHANNEL STATE INFORMATION TRANSMISSION METHOD APPRARATUS AND SYSTEM - A precoding method, a precoding apparatus, a Frequency Domain Equalization (FDE) method, and an FDE apparatus are provided in the embodiments of the present invention. The precoding method includes: performing offset modulation for a transmitting signal vector; calculating a precoding matrix according to the offset-modulated transmitting signal vector and a receiver decision signal vector, where the precoding matrix is used for performing precoding for the transmitting signal vector; and performing precoding for the transmitting signal vector according to the precoding matrix. Linear precoding is performed by using the offset-modulated signal on the transmitter, and therefore, the interference caused by multiple antennas and multipath propagation is reduced, the system BER is reduced, and the complexity of implementation is low. | 04-12-2012 |
20120093101 | Method and system for transmitting position reference signal - The present disclosure provides a method and system for transmitting a position reference signal, which includes: acquiring a currently needed Position Reference Signal (PRS) sequence with a length of 2×N | 04-19-2012 |
20120114062 | PREPROCESSING METHOD, BASE STATION, AND SYSTEM FOR COOPERATIVE COMMUNICATION - A preprocessing method for cooperative communication and a base station and a system for executing the method are provided. The method includes: obtaining a common base station group from a cooperative base station group of a user terminal, in which the common base station group includes a set of base stations providing a cooperative service for other user terminals in the cooperative base station group; and calculating a first precoding matrix of the user terminal according to the common base station group, in which the first precoding matrix is used to perform elimination preprocessing on interference from the user to other user terminals served by the common base station group. The method reduces Multi-User Interference (MUI). | 05-10-2012 |
20120134434 | METHOD AND SYSTEM FOR PRECODING AND METHOD FOR CONSTRUCTING PRECODING CODEBOOK - A pre-coding method and system and a method for constructing pre-coding codebook are disclosed, including: a transmitting end and a receiving end storing information of a pre-coding codebook together, the receiving end selecting a codeword from the pre-coding codebook according to an estimated channel matrix and feeding back a serial number of the codeword to the transmitting end, and the transmitting end finding out the codeword according to the serial number and pre-coding, by using the codeword, a symbol block sent to the receiving end; wherein, at least eight codeword vectors or column vectors in at least eight codeword matrixes in the pre-coding codebook are obtained based on 8-dimensional vectors selected from a 8-dimensional vector set, and this 8-dimensional vector set is obtained by calculating from the part or all of 4-dimensional vectors in u | 05-31-2012 |
20120230264 | METHOD, APPARATUS AND SYSTEM FOR COOPERATIVE RESOURCE SCHEDULING AND COOPERATIVE COMMUNICATION - A method, an apparatus and a system for cooperative resources scheduling and cooperative communication are provided. The method for cooperative resources includes: obtaining, by a network central controller, statistical information of all the users dominated by it in a first time period, dividing base stations to base station cooperative clusters according to the statistical information, and transmitting cooperative cluster dividing result to the base stations. The corresponding method and apparatus for cooperative communication are also provided. The solutions of the embodiments of the present disclosure can increase the transmission rate and user experience for the users at the edge of the cooperative cluster, and improve the fairness of the system users, while reducing the signaling overhead of the system, separating the computational tasks and reducing the difficulty of implementing the whole system. | 09-13-2012 |
20120300868 | Method and System for MIMO Channel Information Feedback - The present invention discloses a method for Multiple Input Multiple Output (MIMO) channel information feedback, and the method includes: a terminal selecting part of column vectors for MIMO system feedback from a codebook matrix W corresponding to a Precoding Matrix Indicator (PMI) and marking the selected part of column vectors as W | 11-29-2012 |
20130083781 | METHOD AND APPARATUS FOR RETRIEVING TRANSMIT OPPORTUNITY CONTROL IN REVERSE DIRECTION GRANT - Embodiments of the present invention disclose a method and an apparatus for retrieving transmit opportunity control in reverse direction grant, so that a conflict occurring between a case where an RD Initiator continues sending another frame to an RD Responder after retrieving TXOP control and a case where a terminal other than the RD Initiator sends a block acknowledgement to the RD Responder can be avoided. The method provided in the embodiments of the present invention includes: when an RD Initiator fails to correctly demodulate a frame sent by an RD Responder, retrieving, by the RD Initiator, TXOP control by using a PIFS if it is impossible for the RD Responder to enable an MU-MIMO mode, and retrieving, by the RD Initiator, the TXOP control by using a duration if it is possible for the RD Responder to enable the MU-MIMO mode, where the duration is longer than the PIFS. | 04-04-2013 |
20130100909 | METHOD AND APPARATUS FOR RETRIEVING A TRANSMISSION OPPORTUNITY CONTROL IN REVERSE DIRECTION GRANT - Embodiments of the present invention disclose a method and an apparatus for retrieving transmission opportunity control in reverse direction grant, so that a conflict occurring between a case where an RD Initiator continues sending another frame to an RD Responder after retrieving TXOP control and a case where a terminal other than the RD Initiator sends a block acknowledgement to the RD Responder can be avoided. The method provided in the embodiments of the present invention includes: when an RD Initiator fails to correctly demodulate a frame sent by an RD Responder, retrieving, by the RD Initiator, TXOP control by using a PIFS if it is impossible for the RD Responder to enable an MU-MIMO mode, and retrieving, by the RD Initiator, the TXOP control by using a duration if it is possible for the RD Responder to enable the MU-MIMO mode, where the duration is longer than the PIFS. | 04-25-2013 |
20130109431 | METHOD AND APPARATUS FOR OPEN LOOP POWER CONTROL | 05-02-2013 |
20140071874 | ERROR RECOVERY METHOD, ACCESS POINT DEVICE, STATION DEVICE, AND SYSTEM THEREOF - The embodiments of the present disclosure provide an error recovery method, an access point device, a station device, and a system thereof. The error recovery method includes: transmitting a data frame to a station allowed to enter a power save mode, where the data frame indicates the end of data transmission; and retransmitting the data frame during a current transmission opportunity period if no acknowledgement frame returned by the station in response to the data frame is received. Based on the above technical solution, the access point retransmits the data frame directly during the current transmission opportunity period and there is no need to contend for a new transmission opportunity period to perform the error recovery, thereby speeding up the error recovery and reducing the error recovery delay, thereby increasing the error recovery efficiency, saving the network resources, and improving the quality of service. | 03-13-2014 |
20140079046 | Backoff Method and Device Used For Wireless Communication System - An apparatus, method, and system to provide a backoff method and device used for a lower priority access category AC. The method includes: when the lower priority AC and another AC in a same station STA obtain a transmission opportunity TXOP at the same time and an internal collision occurs, detecting a TXOP sharing state of the lower priority AC; and executing backoff of the lower priority AC according to the detected TXOP sharing state. | 03-20-2014 |
20140080420 | METHOD, DEVICE, AND SYSTEM FOR TRANSMITTING CHANNEL INFORMATION - The present invention discloses a method, device, and system for transmitting channel information, pertaining to the field of radio communication. The method for obtaining channel information includes: transmitting, by a beamformer, a request for obtaining channel information to a beamformee within the duration of a current first TXOP; receiving a null feedback frame transmitted by the beamformee within the duration of the current first TXOP; within the validity period of the channel information, if the beamformer obtains a second TXOP, transmitting, within the second TXOP, a channel information indication frame to request the channel information, and receiving the channel information transmitted by the beamformee. The system includes a beamformer and a beamformee. The present invention saves the signaling resources of the beamformer and reduces the power consumption of the beamformee. | 03-20-2014 |
20140112183 | LINK ADAPTATION FEEDBACK METHOD AND TRANSMITTING DEVICE - Embodiments of the present invention provide a link adaptation feedback method and a transmitting device. The method includes: receiving, by a transmitting device, a link adaptation feedback frame sent by a receiving device, where the link adaptation feedback frame carries space-time block coding type indication information; and determining, by the transmitting device according to the space-time block coding type indication information, information about use of space-time block coding by a data frame related to the link adaptation feedback frame, and selecting, according to the use information, a space-time stream, and a modulation and coding scheme used when the transmitting device sends a data frame. Through the embodiments of the present invention, and according to the use information, the transmitting device may select the space-time stream, and the MCS used when the transmitting device sends a data frame, thereby improving link performance. | 04-24-2014 |
20140126658 | LINK ADAPTATION FEEDBACK METHOD AND TRANSMITTING DEVICE - Embodiments of the present disclosure provide a link adaptation feedback method, including: receiving, by a transmitting device, a link adaptation feedback frame sent by a communication peer end, where the link adaptation feedback frame includes a modulation and coding scheme feedback request sequence identifier (MSI), where the MSI is configured to indicate space-time block coding type information; determining, according to the space-time block coding type indication information, use information about use of space-time block coding by a data frame related to the link adaptation feedback frame, and selecting, according to the use information, a space-time stream, modulation and coding scheme used when the transmitting device sends a data frame. | 05-08-2014 |
20140301322 | ENCODING METHOD FOR TRAFFIC INDICATION MAP AND BEACON FRAME - Embodiments of the present disclosure provide an encoding method for a traffic indication map and a beacon frame, which relate to a communication field, enable a user to know whether there are data cached in an access point or enable a user terminal to know whether to access to a channel, and reduce the quantity of bytes occupied by the traffic indication map in the beacon frame. The encoding method for a traffic indication map provided by the embodiments comprises: controlling whether to display a sub-block bitmap display field in a sub-bitmap by marking at least one bit in a bitmap control field, a sub-block sub-bitmap in the sub-bitmap being used for enabling a user terminal to know whether there are data cached in an access point, or enabling the user terminal to know whether to access to a channel. | 10-09-2014 |
20150016325 | DATA TRANSMISSION METHOD, ACCESS POINT AND STATION - A method includes: sending an indication frame to an access point AP, where the indication frame includes first indication information and second indication information, the first indication information is used to indicate that a type of the indication frame is a PS-POLL frame, and the second indication information is used to indicate duration of the indication frame; and sending a data frame to the AP within the duration indicated by the second indication information. An STA sends PS-POLL to an AP by using an indication frame and reserves channel duration, so that the STA does not need to contend for a channel again when the STA sends an uplink data frame to the AP after receiving a downlink data frame sent by the AP, which allows the STA to receive downlink data and send uplink data within one TXOPA. | 01-15-2015 |
20150071304 | METHOD AND APPARATUS FOR CONTROLLING DATA TRANSMISSION - A method includes determining at least one first station; and sending first indication information to the first station, where the first indication information is used for indicating at least one first backoff duration, so that the first station performs a data transmission operation by using the first backoff duration, and the first backoff duration used by the first station to perform a data transmission operation is less than a second backoff duration used by a second station to perform a data transmission operation, or the first backoff duration used by the first station to perform a data transmission operation is greater than the second backoff duration used by the second station to perform a data transmission operation. Shortening backoff durations of some stations can ensure that these stations send data first, and extending backoff durations of some stations can ensure that the other stations send data first. | 03-12-2015 |
20150085736 | Data Sending Method, Data Forwarding Method, Apparatus, and System - A data sending method of a terminal, including sending a data frame to a relay, where the data frame includes a relay information bit, the relay information bit identifies whether the relay needs to forward the data frame, and if the relay information bit indicates that the relay needs to forward the data frame, the data frame is forwarded to an access point by the relay; and receiving a response message of the access point, where the response message is used indicates that the data frame is correctly received by the access point. | 03-26-2015 |