Patent application number | Description | Published |
20080205609 | METHOD, SYSTEM AND APPARATUS FOR ADJUSTING THE TRANSMIT POWER OF THE DSL TRANSCEIVER - A method, system and transceiver for adjusting the transmit power seamlessly, which comprises: acquires the noise margin of the received signal, and compares the acquired noise margin with the threshold of the noise margin; when the noise margin of the signal has continually exceeds the threshold of the noise margin for a predetermined period, the noise margin is adjusted to the target range of the noise margin by adjusting the signal transmit power. Therefore, the technique scheme could adjust the transmit power of the transceiver with the varying of noise margin, which ensures the stability and the low error rate of the data transmission and reduces the crosstalk of the line by minimizing the transmit power of the transceiver. | 08-28-2008 |
20080212614 | METHOD AND SYSTEM FOR EXTENDING TRANSMISSION DISTANCE OF ADSL SIGNAL - A method for extending transmission distance of an ADSL signal includes: increasing power spectral density (PSD) of an ADSL signal when a parameter of the ADSL signal is equal to or greater than a preset threshold; and sending the ADSL signal with the increased PSD. A system for extending transmission distance of ADSL signal includes a PSD adjustment determining unit, a PSD adjusting unit and a transmitting unit. A method for promoting transmission rate of an ADSL signal is disclosed as well. The solution extends the coverage of the ADSL signal, and when the CO increases the downlink PSD, the CEP need not to be modified, which reduces the cost. | 09-04-2008 |
20080212768 | METHOD AND APPARATUS FOR ADAPTIVE POWER ADJUSTMENT BASED ON REDUCTION OF CROSS-TALK BETWEEN DSLs - An adaptive power adjustment method and means based on reducing crosstalk among DSL lines includes: calculating the crosstalk power spectrum density and the crosstalk function from the neighboring line in current line; calculating the transmission power spectrum density of the current terminal device according to the obtained crosstalk power spectrum density and crosstalk function; and the current terminal device controlling the transmission power based on the transmission power spectrum density. According to the adaptive power adjustment method of the present invention, the transmission power can be increased or decreased. The disadvantageous effect due to the crosstalk among xDSL lines is reduced. Present invention can eliminate or reduce adequately the strong impact on remote terminal application scene, and make the lines achieve the optimum operation state. | 09-04-2008 |
20080298262 | Broadband Test Line Access Circuit, Broadband Test-Line Access Board And Broadband Test Device - A broadband test line-access unit, including a first test terminal, a second test terminal, a third test terminal, a signal splitter, a first switch, a second switch, a third switch, a first interface terminal, a second interface terminal and a third interface terminal. A broadband test line-access board, including at least two broadband test line-access units, a set of internal test buses, a fourth switch, a fifth switch and a sixth switch, the set of internal test buses including an internal inner-test bus, an internal outer-test bus and an internal auxiliary-test bus. A broadband test device, including at least one broadband test line-access boards, an eighth switch, a ninth switch, a test control module. The broadband test device is of simple structure and low cost, facilitates a port level N+1 backup function within a board, and thus can provide improved communication reliability. | 12-04-2008 |
20080317035 | METHOD AND DEVICE FOR MANAGING CHANNEL MATRIX - A method for managing a channel matrix is provided. The method includes: obtaining whether a user logs on or logs off; adding a history record of channel information of the user to a channel matrix when the user logs on; recording current channel information of the user in the channel matrix and deleting the channel information of the user from the channel matrix when the user logs off. The channel matrix may be timely updated based on when the user logs on or off. Accordingly, the channel crosstalk is eliminated timely and correctly according to the channel matrix, and the affection on the crosstalk eliminating capacity caused by the user logs on or logs off can be avoided. | 12-25-2008 |
20090046770 | Method and Apparatus for Avoiding False Initialization of XDSL Transceivers - The present invention discloses a method for avoiding false initialization of xDSL transceivers. Prior to the initialization of xDSL transceivers, the method includes: by the transmitting port of a first xDSL transceiver, sending a message about the transmitting port to the corresponding receiving port of a second xDSL transceiver; by the receiving port of the second xDSL transceiver, returning a response message to the transmitting port of the first xDSL transceiver according to the received message; by the first xDSL transceiver, judging the response message received by the transmitting port, and, if the received message has a certain relationship with the message sent by the transmitting port of the first xDSL transceiver, proceeding with the subsequent initialization process; otherwise, quitting the initialization process of the transmitting port. The method of the present invention prevents the xDSL transceiver or its ports from entering the false initialization state. | 02-19-2009 |
20090108808 | Battery Protection Mechanism - The present invention teaches methods and systems for detecting internal battery abnormalities during charging and discharging states. The embodiments of the invention includes a circuit for determining charging and/or discharging state of the battery, a circuit for sampling the battery voltage at sequential time points, a circuit for measuring the decline of the voltage, a counter for counting T | 04-30-2009 |
20090141822 | METHOD AND SYSTEM FOR SYNCHRONIZING OFDM TRANSMISSION SYMBOLS - A method for synchronizing orthogonal frequency division multiplexing (OFDM) transmission symbols includes: an OFDM transmission module receives a synchronization signal, and adjusts the OFDM symbols sent by all lines to synchronous symbols according to the synchronization signal and send the symbols out. The present invention also provides a system for synchronizing OFDM transmission symbols. In the present invention, the weaknesses of the prior art are overcome; a synchronization signal generator generates a synchronization signal and sends it to the OFDM transmission equipment; and the OFDM transmission equipment adjusts the OFDM symbols sent by all lines to synchronous symbols according to the synchronization signal and send the symbols out, thus accomplishing synchronization between OFDM symbols and optimizing the performance of the dynamic spectrum management (DSM). | 06-04-2009 |
20090167247 | VOLTAGE BALANCE CIRCUIT FOR RECHARGEABLE BATTERIES - Voltage balance circuit for dual cell rechargeable battery having a balancing circuit coupled to an integrated control circuit. The balancing circuit can be configured to charge and discharge current during a voltage balancing process allowing a higher charged cell to discharge or dissipate excess capacity to a lower charged cell. The integrated control circuit, having a plurality of modules, can be configured to output balancing directional and timing control signals for signaling the activation and deactivation of the voltage balancing process. | 07-02-2009 |
20090185606 | METHOD AND SYSTEM FOR SELECTING AN OPERATION PROFILE - The invention provides a method and system for selecting an operation profile, which belongs to the field of network communication. In order to solve the problem of the selected operation profile being unsuitable for the broad bandwidth and traffic in the prior art, the invention provides a method for selecting an operation profile, comprising: obtaining channel information of a channel; selecting the operation profile according to the channel information and a predetermined selection rule. The invention also provides a system for selecting an operation profile comprising a channel information obtaining module and a profile selecting module. With the technical solution of the invention, it may select a suitable operation profile self-adaptively according to the actual channel condition. | 07-23-2009 |
20090213916 | METHOD, APPARATUS AND SYSTEM FOR DATA TRANSMISSION - A method, apparatus and system for data transmission include determining an idle data rate under a total data rate during data transmission; determining a corresponding parameter adjusting policy according to the idle data rate and a preset threshold; sending an instruction carrying the parameter adjusting policy to a far end entity so as to instruct the far end entity to adjust the associated parameter during data transmission accordingly; and adjusting an associated parameter during data transmission accordingly according to the parameter adjusting policy. According to various embodiments of the present invention, the system bandwidth is saved and the service quality of the system is improved. | 08-27-2009 |
20090316730 | Method, Adjusting Apparatus and System for Improving Line Stability - A method for improving line stability, an adjusting apparatus and a system are provided. The method includes determining an Operating Performance Value (OPV) on a current Digital Subscriber Line (DSL); and if the OPV is below a preset Target Performance Value (TPV), adjusting Management Information Base (MIB) parameters in a line template. The apparatus includes a determining unit and an adjusting unit. With the provided method, apparatus, and system, the error correction capability of the DSL line can be updated with the actual bit error ratio to adapt to a complex environment and to improve the line stability. | 12-24-2009 |
20090319657 | SIP TERMINAL, METHOD AND SYSTEM FOR REPORTING STATUS THEREOF, AND SIP SERVER - A session initiation protocol (SIP) terminal, a method and system for reporting status thereof, and an SIP server are provided. The present invention relates to the field of communications, and is capable of enabling the SIP terminal to initiatively report status information to the SIP server, thereby ensuring a normal connection of an SIP call. The method includes: detecting whether status of the SIP terminal changes; generating status reporting information when the status of the SIP terminal changes; and sending current status of the SIP terminal to the SIP server in the form of the status reporting information. The present invention is mainly applied to the SIP technology. | 12-24-2009 |
20100003842 | COAXIAL CONNECTOR WITH A NEW TYPE OF CONTACT - A coaxial connector for receipt of a central contact of a complementary coaxial connector to be inserted therein, comprising an insulative case including an upper insulative case portion and a lower insulative case portion; an upper fixed contact, a movable contact and a bottom fixed contact essentially stacked in the space section; the upper fixed contact arranged to be sandwiched by the upper insulative case portion and the lower insulative case portion, the upper fixed contact having a planar contact part along a lengthwise direction; the movable contact having a central planar contact section, the central planar contact section arranged to initially come into contact with the contact part of the upper fixed contact; wherein the contact section of the movable contact is arranged to be movable from a position at which the movable contact is in contact with the upper fixed contact to a position at which the movable contact is separated from the upper fixed contact while not coming into contact with the bottom fixed contact in accordance with attachment and detachment of a complementary coaxial connector. | 01-07-2010 |
20100014645 | METHOD AND DEVICE FOR DETERMINING, AND METHOD AND SYSTEM FOR CONFIGURING DSL REFERENCE VIRTUAL NOISE - A method for determining reference virtual noise of Digital Subscriber Line (DSL), includes: obtaining a receiver-end-actual noise of DSL subcarriers; and determining a reference virtual noise according to the obtained receiver-end-actual noise of the DSL subcarriers. Furthermore, the invention also discloses a device for determining a reference virtual noise of DSL, and a method and a system for configuring the reference virtual noise of DSL. The invention can improve the accuracy of the reference virtual noise, thereby making the configuration of the reference virtual noise more accurate. | 01-21-2010 |
20100081308 | RF connector having contact terminal set with movable bridge - A RF connector comprising: an insulative housing defining a space section; an upper fixed contact and a lower movable contact are disposed on two opposite sides of the housing in a first direction, each of said upper fixed contact and said lower movable contact including a contact section in the space section and a solder tail exposed outside of the housing, the lower movable contact having on two opposite sides a pair of bending ends disposed which is a lying U-shape; and an upper case mounted upon the housing and defining a plug insertion passageway; and a metallic shell enclosing said upper case and the housing. | 04-01-2010 |
20100182327 | Method and System for Processing Picture - Embodiments of the present invention provide a method for processing the pictures, including: decomposing a dynamic picture frame into multiple static picture frames; bonding each of the static picture frames with a static original picture to generate multiple static pictures; and forming a dynamic picture with the multiple static pictures. Embodiments of the present invention further provide a system for processing the pictures, including a decomposing unit, a bonding unit and a composing unit. The decomposing unit is configured to decompose a dynamic picture frame into multiple static picture frames; the bonding unit is configured to bond each of the static picture frames with a static original picture to generate multiple static pictures; and the composing unit is configured to form a dynamic picture with the multiple static pictures. By processing the pictures with the technical solution provided by embodiments of the present invention, pictures may possess a sense of action and good expressive force, and may better display the personality of the user. | 07-22-2010 |
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 |
20110124225 | ELECTRICAL CONNECTOR ASSEMBLY HAVING SHIELDING COVER WITH IMPROVED CASING PORTION - An electrical connector assembly ( | 05-26-2011 |
20110124238 | ELECTRICAL CONNECTOR ASSEMBLY WITH IMPROVED CONTACT SOLDERING ENDS - An electrical connector assembly ( | 05-26-2011 |
20110158332 | Distributed Base Station System and Method for Networking thereof and Base Band Unit - The present invention discloses a distributed base station system as well as its networking method and base band unit. In this system, the base band unit (BBU) and RF unit (RFU) of the base station are separated, and the RFU is equipped with base band RF interfaces for interconnecting the BBU and transmitting data information, thereby forming the base station. Based on the separation of the BBU from the RFU, the BBU capacity is further divided at the same time, and every unit is also arranged independently. The BBU networking and capacity expansion may be achieved with capacity expansion interfaces and base band RF interfaces provided by BBU interface units in flexible and convenient ways. | 06-30-2011 |
20120176916 | METHOD, APPARATUS AND SYSTEM FOR ESTABLISHING PATH FOR TRANSMITTING WIRELESS SIGNAL - A method, an apparatus, and a system for establishing a path for transmitting a wireless signal are disclosed. The path involves a wired medium that connects an access device and a distributed node, and the method includes: the access device obtains communication performance parameters of the distributed node; the access device determines frequency used to transmit a wireless signal through the wired medium according to the communication performance parameters and a workable spectrum of the access device; and the access device adjusts parameters of the access device according to the determined frequency, and sends a message that carries the frequency to the distributed node so that the distributed node adjusts parameters of the distributed node according to the frequency to establish a path for transmitting a wireless signal in the wired medium. | 07-12-2012 |
20120219124 | METHOD AND APPARATUS FOR MONITORING POWER CONSUMPTION VALUE OF DSL SUBSCRIBER BOARD - A method and an apparatus for monitoring a power consumption value of a DSL subscriber board in real time are provided. The method includes: monitoring a working state of each subscriber port on the DSL subscriber board, the number of subscriber ports in each working state, and an output power of each LD subunit in an LD unit on the DSL subscriber board; and calculating a power consumption value of the DSL subscriber board in real time according to a monitoring result and preset electrical parameters of each functional unit. | 08-30-2012 |