57results about How to "Shorten receiving time" patented technology

A communication system using OFDM transmission from a base station to subscriber units, includes means for achieving a bi-directional channel. These means comprise transmitting means in the subscriber units for the transmission of signal synchronous with the guard time interval in the OFDM transmission, and receiving means in the base station for the reception of the transmitted signals. The system also includes signal shaping means in the receiver of the base station and/or the subscriber unit for the application of a window in time to signals received therein. A communication system includes a combination of CDMA modulation codes and OFDM coding/decoding means to achieve orthogonality between signals from the various users in the uplink. A communication system includes a combination of OFDM and channeling means for achieving orthogonality between signals from the various users in the uplink. Automatic Frequency Control is achieved with means in the mobile unit for achieving a frequency-lock to the base station.

An apparatus for receiving and processing a broadcast signal in a mobile broadcasting terminal is provided. A preprocessor receives a broadcast signal, converts the broadcast signal into a baseband signal, and then performs OFDM demodulation, Viterbi decoding, and convolutional deinterleaving thereon. A first Reed-Solomon (RS) decoder RS-decodes the signal output from the preprocessor, and outputs a Transport Stream (TS) packet. A checker checks Cyclic Redundancy Check (CRC) of the TS packet. A datagram extractor extracts a datagram having a good CRC result. A datagram controller receives the datagram having a good CRC result and outputs the received datagram to an application controller. The application controller decodes the broadcast data using the datagram received from the datagram controller and provides the decoded broadcast data to a user.

A method of receiving messages by a communication terminal. The method includes receiving symbols of a frame of a transmitted encoded message, and decoding the frame based on fewer received symbols than the number of symbols in the frame.

An image display apparatus including a display unit having a display panel; an illuminator; a number-of-lines converter for changing each of number of lines in one frame of an image-for-left-eye signal and number of lines in one frame of an image-for-right-eye signal to a reduced number of lines; a timing generator for generating a display timing signal and an illuminating timing signal; a display controller; and an illuminator driver for causing the illuminator to apply light to the display panel at timing synchronized with the display timing signal every one frame; wherein the display unit duplicates an image signal of each line of the image-for-left-eye signal of the reduced number of lines and the image-for-right-eye signal of the reduced number of lines to produce the same plural image signals for plural lines and simultaneously writes the produced signals for plural lines in the display panel to display an image.

The present invention defines an efficient measurement method for idle mode M2M/MTC device with low/no mobility in a mobile communication system. An example of the mobile communication system to which the present invention is application is 3GPP UMTS mobile communication system and 3GPP LTE/LTE-A mobile communication system as the next generation mobile communication system under discussion in 3GPP.

A method and apparatus for detecting a periodic message in a mobile communication system includes initiating, at a receiver, a reception of synchronization data a predetermined amount of time prior to a current periodic message. The predetermined amount of time is based on at least one of an estimated signal quality value from at least one prior periodic message and an estimated error in the at least one prior periodic message. The synchronization data is used to achieve synchronization, and the current periodic message is detected based on the synchronization.

This invention relates to a forward EC method in single-way broadcast document transmission including the following steps: 100) depacketizing the to-be-sent data into multiple data blocks and computing the check sum of each data block; 200) processing XOR operation to the said multiple data blocks and computing protection data blocks; 300) sending contents of the data blocks including the protection ones; 400) receiving the data blocks; checking if the acquired data blocks are correct and making identifications; 500) adding up numbers of error data blocks; if there is only one error data block which has been accepted as a protection block, then correcting the mistake; and 600) direct split joint is carried out to resume the data in light of the coding rule, if there is no data error.

The invention discloses a communication method based on a polarization code. The communication method comprises the following steps: firstly, constructing an initial polarization code according to thenumber K of information bits, the number J of CRC bits and the encoding length N, wherein the initial polarization code comprises N coded bits, the positions of the information bits and the positionsof the CRC bits in the N coded bits are determined, and K + J is smaller than or equal to N; determining the importance of each coded bit according to the contribution of each coded bit; according tothe importance degree of each coded bit, punching partial coded bits with relatively low importance in the initial polarization codes to obtain a new punched polarization code, and the length of thecoded bits included in the new punched polarization codes is between K + J and N, and sending the new punched polarization code; or according to the importance degree of each coded bit, sending each coded bit according to the order of importance from high to low. According to the communication method based on the polarization code disclosed by the invention, the communication time of two parties can be reduced by combining the importance of the coded bits and hybrid retransmission, so that the retransmission efficiency can be improved.

The invention provides a method which can avoid downloading identical mails repeatedly when a pop3 post office protocol is used. The method comprises the following steps: S1, through a UIDL command, an independent ID assigned to the mails by a mailbox server for the current mails to be downloaded; and the ID number is recorded; S2, the time tag of the mail is recorded; S3, when a user receives the mail again, firstly, the independent ID number of the mail to be downloaded is inquired by using the U1DL command, and the the independent ID number is compared with the independent ID number of each mail reserved at local, if an identical ID number does not exist, S6 is performed, and if the identical ID number exists, S4 is performed; S4, the time-tag of the current mail is obtained by using a TOP command; S5, the obtained time-tags and the time-tags of the identical ID number are compared one by one, if the time-tags are identical, the downloading of the current mail is given up; and if the time-tags are different, S6 is performed; S6, the current mail is downloaded. The method of the invention has the advantages that weather a mail to be downloaded is loaded or not can be judged, and thereby the receiving time is reduced greatly, and the network data flow is also reduced greatly.

The invention provides a method and device for receiving system information data blocks and a cell reselection method. The method for receiving the system information data blocks comprises the steps that access to a public broadcast channel of a target cell base station is obtained; according to a system information data block demand list of a terminal, the system information data blocks of the target cell base station are selectively received. According to the method for receiving the system information data blocks, the receiving number of the system information data blocks is reduced, so that the receiving time of the system information data blocks is shortened, and the network scheduling efficiency is improved.

The invention relates to the technical field of Internet of Things price tags, in particular to a synchronization method for an electronic price tag, which comprises the following contents of: a networking step: allocating an awakening time zone and ID information corresponding to a flag bit to a newly accessed price tag; an update broadcast step: generating an update broadcast according to the current time zone information and the acquired update information, and broadcasting the update broadcast; wherein the update broadcast comprises update state data, and the update state data comprises information about whether each price tag awakened in the current time zone needs to be updated or not. Wherein the update state data comprises a plurality of flag bits in one-to-one correspondence withthe ID information of the waken price tag in the current time zone, and the value of each flag bit indicates whether the content of the price tag corresponding to the flag bit needs to be updated or not. The synchronization method for the electronic price tags can solve the problems that in an existing electronic price tag system, the number of the price tags managed by the same gateway is limited, and the synchronous updating process of the price tags is high in power consumption.

The invention provides a timekeeping device capable of receiving satellite signals in a short time, reducing power consumption, reducing the influence of reception condition and increasing successful reception probability. A watch with GPS has a reception unit that captures the GPS satellite and receives the satellite signals, a time information generating unit that generates time information based on the satellite signal received by the reception unit, a time display unit that displays time information, and a reception control unit (50). The reception control unit (50) includes a satellite capture control unit (51) that controls the reception unit to run the GPS satellite capture process, a signal condition detection unit (52) that detects the signal condition of the captured GPS satellite, a decoding control unit (53) that controls the reception unit to apply a decoding process to the satellite signal transmitted from the captured GPS satellite, and a reception channel setting unit (54) that sets the reception unit to a single satellite mode or a multi-channel mode based on the signal condition detected by the signal condition detection unit (53).

The method thereof comprises: 1) the mail learning module learns the feature of mail saved in the mail client side, and sends the learning result to the mail server; 2) the mail server combines the newly learned result with the original feature base of the mail client side to form a new feature base; 3) the junk mail filter uses the newest feature base to filter the new mail of corresponding mail client side received by the mail server.

The invention discloses a multimedia broadcast/multicast data transmitting/receiving method, a device and a system. The method comprises the following steps: the multimedia broadcast/multicast data are decoded by low-density parity check codes (LDPC); service data after being decoded can be divided into first information and second information, and then the first information and the second information are transmitted; a receiving terminal judges the environmental quality of a signal path where the receiving end is located; when the environmental quality of the signal path is good, only the first information can be received; while the environmental quality of the signal path is poor, both the first information and the second information can be received. According to different signal path environment where the receiving terminal is located, the receiving terminal can achieve the purpose by adopting the invention that the MBMS service data can be received with lower receiving power while ensuring the received service data quality.

A radio-controlled timepiece that receives a standard time signal containing a time code and adjusts the time based on the received standard time signal includes: a reception means that receives the standard time signal; an analog/digital conversion means that digitizes the received standard time signal based on a prescribed threshold value; a time counter that keeps time; a time code generating means that generates a reference time code based on the time counted by the time counter; a duty evaluation means that calculates the pulse duty cycle of the digital signal output from the A/D conversion means, and determines if the received pulse duty cycle that is calculated matches the duty cycle of the reference time code generated by the time code generating means; a level changing means that changes the relative level of the threshold value to the reception signal if the duty evaluation means determines that the received pulse duty cycle does not match the duty cycle of the reference time code; and a time code decoding means that decodes the digital signal and demodulates the time code if the duty evaluation means determines that the received pulse duty cycle matches the duty cycle of the reference time code.

The embodiment of the invention discloses a data packet transmission method, a terminal and a computer storage medium. The data packet transmission method comprises the steps of receiving a data packet; acquiring data stream information corresponding to the data packet, wherein the data stream information is used for representing a path attribute corresponding to the data packet; when the data packet is the one that is not the first data packet and corresponding to the data stream information, acquiring route information corresponding to the data stream information, wherein the route information is acquired by performing route query on the first data packet corresponding to the data stream; and transmitting the data packet according to the route information.

The invention provides a processing method during paging process. The method comprises the following steps of correspondingly receiving the PCH data of first L (L is less than N and more than 0 and is an integer) sub-frames out of N sub-frames contained in a TTI when the UE determines to receive PCH data, obtaining bit data by de-spreading and demodulating the data, subsequently adding the data with N-L sub-frames and all 0 in each bit behind the bit data, and coding the added bit data subsequently. The invention provides a device for realizing paging simultaneously. The method and the device can shorten the time for receiving the PCH data before coding, thus shortening the time of paging processing carried out by the UE.

Provided is a method for transmitting a file based on a multiplex forwarder using a session join time interval. The method includes the steps of: a) transmitting a session join request message to a source and joining to a corresponding session; b) when a member joins the session, transmitting a forwarder candidate list request message to the source and receiving a forwarder candidate list; c) skipping a specific member among members on the transmitted forwarder candidate list; and d) transmitting a forwarder request message to the members on the forwarder candidate list excluding the specific member, selecting a member permitting the request as a forwarder, and receiving a gift, which is a packet, from the selected forwarder.

The invention discloses a rapid material adding device. The rapid material adding device comprises a material receiving table, two vertical plates arranged on the two sides of the material receiving table and a back plate connected between the two vertical plates and located above the material receiving table; a sliding rail parallel to the material receiving table is arranged on one side of the back plate, and a sliding block is arranged on the sliding rail; a swing block with a rotating shaft is rotatably connected to the sliding block; and a handle, a rubber belt wheel and a pressing wheel are sequentially arranged on the swing block in a manner of surrounding the rotating shaft. According to the device, the material adding time can be shortened to be shorter than 10s, even, shutdown waiting of a production line is not needed, the material receiving time is shortened, and the production task is increased.

A radio correcting timepiece that can reduce the influence of a radio wave situation of the standard radio wave having time information according to an area, and can make a correction to the exact time in a shorter time is provided. The radio correcting timepiece comprises a signal receiving means (1) for receiving a standard radio wave and a timepiece means (2) for correcting and displaying time on the basis of the time information outputted from the signal receiving means. The signal receiving means (1) can receive plural standard radio waves and includes memory means (1I) which is able to store signal receiving order of the plural standard radio waves. Since the plural standard radio waves can be received, the influence of a radio wave situation according to an area can be reduced and a correction to the exact time can be made in a shorter time by using the standard radio wave transmitted every minute.

The invention discloses a realizing method of object carousel (OC) application, which includes the following steps: a server conducts OC packing for data and object carousel; an OC application terminal receives the packed data and displays the data in a page; then receiving data Module of file required by the page of a related next level linked with the currently opened page. As the step of receiving data Module of file required by the page of a related next level linked with the currently opened page is added after the step of obtaining the current page by analysis, when the current page is opened, the data module required by a page which is possible to be opened in the next level is received and saved in a buffer of a receiving device; therefore, when the page of the next level is opened by the user the required data is capable of being called from the buffer and the page is opened directly, thereby greatly saving the time of opening an OC page.