Abstract: A method for sending data includes obtaining data packets to be sent and modulating, by each transmit diversity branch, the data packets by using modulation mode corresponding to the each transmit diversity branch, and sending the modulated data packets. The modulation modes form a preset optimized combination of modulation modes. A different modulation mode corresponds to a different group of modulation factors and/or different group of constellation modulation symbols. The different groups of modulation factors comply with a preset modulation factor mapping relationship. The different groups of constellation modulation symbols comply with a preset constellation modulation symbol mapping relationship.

Abstract: In accordance with an embodiment, a method of generating an encoded audio signal, the method includes estimating a time-frequency energy of an input audio signal from a time-frequency filter bank, computing a global variance of the time-frequency energy, determining a post-processing method according to the global variance, and transmitting an encoded representation of the input audio signal along with an indication of the determined post-processing method.

Abstract: Embodiments of the present invention provide an encoding or decoding method and apparatus. The method includes: extracting first information in a bitstream; determining a chroma component intra prediction mode according to the first information; when the chroma component intra prediction mode cannot be determined according to the first information, extracting second information in the bitstream; and determining the chroma component intra prediction mode according to the second information, where the first information includes information for indicating whether the chroma component intra prediction mode is a DM mode or an LM mode, the second information is used to indicate a remaining mode as the chroma component intra prediction mode, and the remaining mode is one of available chroma component intra prediction modes other than a mode that may be determined according to the first information.

Abstract: The present invention discloses a method and an apparatus for wireless communications, which relate to the field of communications and are used to solve the problem of a relatively low communication quality in the advanced full duplex communication technology. The method provided in the present invention includes: dividing available radio resources in a communication system into first radio resources and second radio resources, where the first radio resources and the second radio resources occupy different radio resources; simultaneously performing bidirectional transmission of communication information with a user equipment through the first radio resources; and performing unidirectional transmission of communication information with the user equipment through the second radio resources. The present invention is applicable to the field of communications and used for wireless communications.

Abstract: A signal processing method, an optical receiver and optical network system is provided. The method includes: receiving a first optical signal sent by an optical network unit, generating a second optical signal and modulating a phase of the second optical signal, obtaining at least one path of electrical signals after the first optical signal and the second optical signal separately undergo polarization splitting, frequency mixing, and optical-electrical conversion, outputting a third electrical signal after performing operation processing on the at least one path of electrical signals, and restoring a data signal according to the third electrical signal and performing sending. The embodiments example benefits are greatly reducing complexity of system implementation and maximally reducing a system upgrade cost and an optical power loss.

Abstract: A method and a device for multithread to access multiple copies. The method includes: when multiple threads of a process are distributed to different nodes, creating a thread page directory table whose content is the same as that of a process page directory table of the process, where each thread page directory table includes a special entry which points to specific data and a common entry other than the special entry, each thread corresponds to a thread page directory table, and the specific data is data with multiple copies at different nodes; and when each thread is scheduled and the special entry in the thread page directory table of the each thread does not point to the specific data stored in a node where the thread is located, modifying, based on a physical address of the specific data, the special entry to point to the specific data.

Abstract: A method and apparatus for generating prompt information of a mobile terminal are disclosed. The method includes: selecting a start point and an end point in a multimedia file; clipping a part of the multimedia file between the start point and the end point in the multimedia file; and encoding the clipped part of the multimedia file, and generating prompt information of the mobile terminal. An apparatuses for generating prompt information of a mobile terminal is also disclosed. Therefore, the present invention enables a user to control the generation of prompt information of a mobile terminal.

Abstract: A method, a base station, a User Equipment (UE) and a system for sending and receiving Physical Downlink Control Channel (PDCCH) signaling are disclosed. A method includes determining locations of a first search space and a second search space of a User Equipment (UE). A method also includes sending PDCCH signaling with no Carrier Indication Field (CIF) to the UE in a physically overlapped region between the first search space and the second search space if the physically overlapped region exists and a length of the PDCCH signaling with no CIF in the first search space is equal to a length of PDCCH signaling with the CIF in the second search space.

Abstract: A signal processing apparatus configured to correct a distortion introduced by a signal processing path into a processed signal comprising a transformer that transforms the processed signal into a transformed signal in frequency domain, a processor that determines a first correction function and a second correction function upon the basis of a transfer function of the signal processing path, a first multiplier that multiplies values of the transformed signal with coefficients of the first correction function to obtain a first corrected signal, a signal reverser that reverses an order of values in a copy of the transformed signal to obtain a reversed transformed signal, a second multiplier that multiplies values of the reversed transformed signal with coefficients of the second correction function to obtain a second corrected signal, and an adder that adds the first corrected signal and the second corrected signal to obtain a corrected output signal.

Abstract: Embodiments of the present invention disclose a method, an apparatus, and a system for processing a reference signal. The present invention relates to the field of radio communications technologies, and solves a technical problem that it is impossible to meet a requirement for measurement of downlink channels of multiple cells in a coordinated multipoint transmission/reception (CoMP) scenario in the prior art. According to the embodiments of the present invention, a reference signal is sent in a specified pilot position to a target user equipment (UE) where data puncturing is performed, in positions corresponding to the specified pilot position, with respect to data symbols simultaneously sent by an evolved NodeB (eNB) to which another cell in a CoMP set of the UE belongs, and the specified pilot position is orthogonally separated from a reference signal pilot position of the another cell in the CoMP set.

Abstract: The present invention relates to the field of communication technologies, and discloses a method and an apparatus for forwarding packets to solve the problems in the prior art, namely, if a long Internet Protocol (IP) address needs to be searched for at the time of forwarding a packet, the number of Ternary Content Addressable Memories (TCAMs) need to be increased, or an external Random Access Memory (RAM) needs to be accessed for more times, which leads to a high cost and low performance.

Abstract: A method and a device for information block coding and synchronization detecting are provided. Information block coding and synchronization detecting may be performed according to a synchronization character sequence satisfying certain conditions. Thus, the probability of incorrect synchronization may be effectively reduced without increasing the complexity. Optimal synchronization character sequences in different lengths are provided to further reduce the probability of incorrect synchronization.

Abstract: Embodiments of the present invention provide media file receiving and media file sending methods, apparatuses, and systems. A media file receiving method includes: obtaining, by a client, an MPD fragment address of a first MPD fragment from a media presentation description MPD fragment index file according to a start-to-play time point requested by a user; sending, by the client, a first MPD fragment obtaining request including the MPD fragment address of the first MPD fragment to a server; receiving, by the client, the first MPD fragment fed back by the server, and sending a media segment obtaining request to the server according to media description information in the first MPD fragment; and receiving, by the client, a media segment fed back by the server. With the media receiving method according to the embodiments of the present invention, an objective of rapidly starting playing a media file can be achieved.

Abstract: Embodiments of the present invention disclose a network switching method, a version upgrade method, and a terminal device, which relate to the field of communications technologies. A terminal receives a user instruction that instructs the terminal to access a network of a target operator. If an operator of a network currently accessed by the terminal is different from the target operator, a preset file is read to obtain image information corresponding to the target operator. A target image file corresponding to the target operator is obtained according to the image information and version switching is performed according to the target image file. The preset file includes image information that corresponds to all image files of operators stored in the terminal in one-to-one correspondence.

Abstract: Embodiments of the present invention relate to a method and a system for obtaining an international mobile equipment identity of a mobile station and a base station controller. The method in this embodiment of the present invention includes: sending, by a base station controller, a request message to a core network device; receiving an accept message of the request message sent by the core network device; sending an identify request message, where a frame sequence number of the identify request message is the same as a frame sequence number of the accept message; receiving an identify response message sent by the mobile station; and re-sending the request message to the core network device in the manner of an unnumbered information frame, where a frame sequence number of the re-sent request message is the same as a frame sequence number of the identify response message.

Abstract: The present disclosure provides a solution which solves the problem of demodulation reference signal (DMRS) ambiguity by introducing separate, i.e. different DMRSs. This is especially the case for systems employing dynamic allocation of control and data signals to different PRBs.

Abstract: A proxy gateway anti-virus method, a pre-classifier, and a proxy gateway are provided. The method includes: receiving a resource obtaining request for obtaining a to-be-transmitted resource; sending a pre-detection request to a network element that stores the to-be-transmitted resource, to obtain attribute information of the to-be-transmitted resource; judging, based on an anti-virus policy and according to the attribute information, whether the to-be-transmitted resource needs anti-virus scanning; if judged yes, performing anti-virus scanning on the to-be-transmitted resource that is subsequently obtained; and if judged no, transparently transmitting the to-be-transmitted resource that is subsequently obtained.

Abstract: A method for storing domain name system (DNS) records includes locally storing received DNS records needed to be stored. If the size of all the stored DNS records does not satisfy a preset storing threshold, a part of the stored DNS records are deleted to make the size of the remaining DNS records after deletion satisfy the storing threshold. A domain name parsing method, device, and server are also provided.

Abstract: A method, a device and a system for implementing seeking play of stream media are provided. The method for implementing seeking play of stream media includes: sending a seeking play request to a stream media server; receiving preview key frames for seeking play sent from the stream media server according to a predefined buffer capacity range and storing the preview key frames for seeking play; displaying the preview key frames for seeking play; and initiating a stream media play according to preview key frames selected by a seeking of a user. This invention can improve the seeking operation experience of the user, control the downloading time of the extracted program, and reduce requirements of storage capability of the stream media terminal.

Abstract: A method and an apparatus for calibrating a low frequency clock are disclosed. The method includes: calculating a frequency of a low frequency clock in a current low frequency clock calibration; and calculating an average value of low frequency clock frequencies in n clock calibrations before the current calibration, where n is greater than 1 and is an integer; judging whether a difference between the frequency of the low frequency clock in the current low frequency clock calibration and the average value is smaller than a preset threshold for the difference; and if the difference between the frequency of the low frequency clock in the current low frequency clock calibration and the average value is smaller than the preset threshold for the difference, calculating the number of sleep cycles according to the calculated and obtained frequency of the low frequency clock in the current low frequency clock calibration.