Abstract: The present invention provides a code channel activation method, a code channel activation device, a computer program and a storage medium, so as to solve the problem in the prior art that performance loss of a receiver will be caused when performing code channel activation. The method comprises calculating correlation between interference code channels on which code channel activation is to be performed and a user code channel, and correlation between the user code channels, to obtain correlation results; and performing code channel activation according to the correlation results. According to the present invention, the code channel activation is performed according to the correlation between the code channels. As a result, it is able to reserve the code channels with more information, thereby to prevent the performance loss of the receiver.

Abstract: The present invention provides a power-saving method for a mobile terminal, comprising the steps, after setting the mobile terminal to be in a data service power-saving state, monitoring, by the mobile terminal, a data service in accordance with a monitoring strategy for the data service power-saving state, and triggering a data service power-saving operation when a triggering condition set in the monitoring strategy is met. The present invention further provides a power-saving apparatus arranged within a mobile terminal, comprising a monitoring unit and an executing unit, wherein the monitoring unit is configured to monitor data services of the mobile terminal in accordance with a preset monitoring strategy, and send a power-saving command to the executing unit when a data service power-saving strategy is met. The present invention further provides a mobile terminal comprising the power-saving apparatus.

Abstract: The present invention provides a mobile terminal and an access method for an E-RUCCH. The method comprises: when upload data authorization information has expired and the amount of buffer data in a logical channel of the mobile terminal is zero, starting a timer; judging whether or not the timer is timed out, and if upload data authorization information is received before the timer is timed out, resetting the timer and initiating an E-RUCCH access; if the upload data authorization information is not received before the timer is timed out, resetting the timer when the timer is timed out and judging whether there is any buffer data in the logical channel; and when the amount of the buffer data in the logical channel exceeds a threshold of the buffer data in the logical channel, initiating the E-RUCCH access. Through the above-mentioned method and the mobile terminal, it is able to control the E-RUCCH access time of the mobile terminal and prevent the mobile terminal from initiating unnecessary, frequent access.

Abstract: The present invention relates to the field of mobile communication and provides a method, a device and a system for controlling data transmission power of an opposite end, so as to reduce power waste during the transmission of special burst data.

Abstract: The present invention provides a method for dealing with a PS domain service and realizing a PS domain service request for a mobile terminal and the mobile terminal. The method comprises: identifying, by the mobile terminal, a type of a PS domain signaling process that is used for realizing a PS domain service; when the type of the PS domain signaling process belongs to a first type, acquiring a result of the PS domain signaling process corresponding to the PS domain signaling process; and when it is judged that the result is network refusal and the reason for refusal is Reason #7 (GPRS service not allowed), judging that a Public Land Mobile Network (PLMN) on which the mobile terminal currently resides is not a Home Public Land Mobile Network (HPLMN) and adding the PLMN into a list of forbidden PLMNs for GPRS service. According to the above technical solution, it is able to provide a GPRS service on a HPLMN or other PLMNs, thereby to provide a user with a PS domain service with the biggest possibility.

Abstract: This invention provides a method and a terminal device for a multi-band antenna automatically tuning impedance matching, and belongs to the technical field of communication. The method includes: obtaining an operation current value and an output power value of a power amplifier upon transmitting a signal; obtaining a logical control parameter for controlling an antenna tuner based on the operation current value and the output power value, and adjusting the impedance matching of the antenna by using the logical control parameter. The efficiency for impedance matching of the antenna upon operating in the multi-bands may be improved, and the power saving can be better implemented under the condition of assuring the performance of the antenna.

Abstract: An interference cancellation method performed by a receiver includes: determining a strong interference code channel among all code channels that carry a received signal, and determining a signal that corresponds to the strong interference code channel to be a strong interference signal, wherein the received signal has been matched filtered. The method further includes obtaining a reconstructed strong interference signal based on the determined strong interference signal and using a system matrix, performing the interference cancellation for the received signal using the reconstructed strong interference signal, to obtain the signal without interference. The strong interference signal can be reconstructed using the system matrix, and the interference cancellation can be performed for the received signal using the reconstructed strong interference signal.

Abstract: The present invention provides a method and an apparatus for eliminating direct current offset.

Abstract: The present invention relates to the field of communication technology, and provides a method and a device for eliminating interference in a mobile communication system. The method comprises: step 1: re-constructing signal estimation {circumflex over (d)}MAI+ISI of inter-symbol interference and multi-access interference in accordance with an output signal {circumflex over (d)}esb from an equalizer; and step 2: performing interference elimination on the inter-symbol interference and multi-access interference in an output signal êMF from a matched filter in accordance with the signal estimation {circumflex over (d)}MAI+ISI of inter-symbol interference and multi-access interference, to obtain signal estimation {circumflex over (d)}JD+IC with the interference eliminated. According to the present invention, it is able to eliminate the impact of an interference signal and improve the receptivity of a receiver for a useful signal.

Abstract: The present invention provides a method and a device for calculating a coefficient of a time-domain channel estimation filter. The method comprises: acquiring position information and weight information of symbols carrying RS information corresponding to X1, X2 . . . XP; acquiring position information and weight information of symbols carrying RS information relating to Y1, Y2, . . . YQ; calculating an autocorrelation matrix of a vector I in accordance with the position information and the weight information, wherein I=[X1, X2, . . . XP, Y1, Y2, . . .

Abstract: The present invention provides a method for a communication terminal to reside in a plurality of networks, and a communication terminal thereof. The method comprises the steps of: acquiring a first signal intensity corresponding to a first communication network and acquiring a second signal intensity corresponding to a second communication network; when the first signal intensity is greater than a first threshold, registering a first service in the first communication network; when the second signal intensity is greater than a second threshold, registering a second service in the second communication network; when the second signal intensity is less than or equal to the second threshold, searching for the second communication network and registering the second service in the first communication network; and when the first signal intensity is less than or equal to the first threshold, searching for the first communication network and registering the first service in the second communication network.

Abstract: The present invention provides a mobile terminal and an access method for an E-RUCCH. The method comprises: when upload data authorization information has expired and the amount of buffer data in a logical channel of the mobile terminal is zero, starting a timer; judging whether or not the timer is timed out, and if upload data authorization information is received before the timer is timed out, resetting the timer and initiating an E-RUCCH access; if the upload data authorization information is not received before the timer is timed out, resetting the timer when the timer is timed out and judging whether there is any buffer data in the logical channel; and when the amount of the buffer data in the logical channel exceeds a threshold of the buffer data in the logical channel, initiating the E-RUCCH access. Through the above-mentioned method and the mobile terminal, it is able to control the E-RUCCH access time of the mobile terminal and prevent the mobile terminal from initiating unnecessary, frequent access.

Abstract: The present invention provides a method and a device for calculating a coefficient of a time-domain channel estimation filter. The method comprises: acquiring position information and weight information of symbols carrying RS information corresponding to X1, X2 . . . XP; acquiring position information and weight information of symbols carrying RS information relating to Y1, Y2, . . . YQ; calculating an autocorrelation matrix of a vector I in accordance with the position information and the weight information, wherein I=[X1, X2, . . . XP, Y1, Y2, . . .

Abstract: The present invention relates to the communication field and provides a method and multi-band mobile terminal for improving matching performance of an antenna of a multi-band mobile terminal. This invention is used for improving the matching performance of the antenna of the multi-band mobile terminal sharing one antenna. The mobile terminal may comprise a RF front-end coupler and an antenna. The mobile terminal may comprise a plurality of matching circuits, and a first matching circuit of the plurality of matching circuits may be connected between the RF front-end coupler and the antenna of the mobile terminal.

Abstract: The present invention provides a code channel activation method, a code channel activation device, a computer program and a storage medium, so as to solve the problem in the prior art that performance loss of a receiver will be caused when performing code channel activation. The method comprises calculating correlation between interference code channels on which code channel activation is to be performed and a user code channel, and correlation between the user code channels, to obtain correlation results; and performing code channel activation according to the correlation results. According to the present invention, the code channel activation is performed according to the correlation between the code channels. As a result, it is able to reserve the code channels with more information, thereby to prevent the performance loss of the receiver.

Abstract: The present invention relates to the field of mobile communication and provides a method, a device and a system for controlling data transmission power of an opposite end, so as to reduce power waste during the transmission of special burst data.

Abstract: A communication device may comprise a radio frequency (RF) matching circuit, an antenna port, an antenna, a first blocking part, a second blocking part, a detecting port, and a reference level providing part. The first blocking part may be provided between the RF matching circuit and the antenna port for blocking a direct current from entering the RF matching circuit; the second blocking part may be an alternating current blocking part, one end thereof is connected to the detecting port, and the other end is connected to the RF line between the first blocking part and the antenna port; the reference level providing module may be connected between the detecting port and the second blocking part; the detecting port may be configured for detecting level, and determine that the connection of the antenna is normal if the detected level is zero.

Abstract: The present invention relates to the field of communication technology, and provides a method and a device for eliminating interference in a mobile communication system. The method comprises: step 1: re-constructing signal estimation {circumflex over (d)}MAI+ISI of inter-symbol interference and multi-access interference in accordance with an output signal {circumflex over (d)}esb from an equalizer; and step 2: performing interference elimination on the inter-symbol interference and multi-access interference in an output signal êMF from a matched filter in accordance with the signal estimation {circumflex over (d)}MAI+ISI of inter-symbol interference and multi-access interference, to obtain signal estimation {circumflex over (d)}JD+IC with the interference eliminated. According to the present invention, it is able to eliminate the impact of an interference signal and improve the receptivity of a receiver for a useful signal.

Abstract: The present invention discloses an interference cancellation method and apparatus, wherein the method includes: determining a strong interference code channel among all code channels that carry a received signal by a receiver, and determining a signal that corresponds to the strong interference code channel to be a strong interference signal, wherein the received signal is a signal that has been matched filtered; obtaining the reconstructed strong interference signal based on the determined strong interference signal reconstructed from a system matrix by the receiver; performing the interference cancellation for the received signal by utilizing the reconstructed strong interference signal, and obtaining the signal whose interference have been cancelled by the receiver.

Abstract: An embodiment of the present invention provides a method and apparatus for data transmission, wherein the method comprises: establishing a buffer for TCP/IP data packets, and the TCP/IP data packets including TCP payloads and TCP ACKs; adjusting a queue of the buffered TCP/IP data in accordance with header information of the TCP/IP data packets; and transmitting sequentially the buffered TCP/IP data packets being adjusted. According to the embodiments of the present invention, the IP data packets of TCP ACKs transmitted by the receiving side are processed, so that the amount of the TCP ACK responses is significantly reduced and the IP data packets of TCP ACKs are transmitted with priority, thereby the round-trip time delay for data transmitting can be reduced, and the data transmission efficiency can be improved.