Abstract: The present invention discloses a method for fixing hold time violations in circuits. The method comprises: creating a topology diagram of the circuit with a branch indicating a signal path where the hold time violation occurs in the circuit, and a node on the branch indicating a port of an element where the hold time violation occurs; dividing the circuit into a plurality of regions; and placing a hold time correction element selectively in a region corresponding to the node in the topology diagram to fix the hold time violation thereof, according to a circuit element density of the region corresponding to the node in the topology diagram. With this method there will be no new element in a region whose circuit element density is excessively large, and it is unnecessary to move an element which has been placed in the circuit and an input/output pin thereof.

Abstract: Disclosed are methods and devices for identifying a tampered webpage and identifying a hijacked web address. The method for identifying a tampered webpage comprises: by simulating a mode of inputting a URL in an address bar of a browser, initiating a request to access a target webpage, and determining obtained page content as the first page content; by simulating a mode of jumping from a link, initiating a request to access the target webpage, and determining obtained page content as the second page content; comparing the first page content with the second page content to obtain a comparison result; and identifying, according to the comparison result, whether the target webpage is a tampered webpage. The present invention can effectively identify whether a target webpage is a tampered webpage, so that an effective means for determining whether a target webpage is tampered is provided to a user and computer services.

Abstract: Disclosed is a wireless communication apparatus in which reception precision characteristics are improved, by specially adapting the modulating processing in respect of the code words for each encoding system. A wireless communication apparatus (100) wherein an encoding processing section (120) includes a convolutional encoder that performs convolutional encoding of fixed information blocks made up of K bits. In code word partial sequences obtained on the basis of the head and tail in a fixed information block, a modulating section (130) maps bits, from bit groups constituting single symbols, to bits associated with groups having poor quality characteristics, prioritising systematic bits over parity bits. In this way, the reception quality characteristics in first code word partial sequences having good error characteristics is equalised.

Abstract: Provided is a small base station apparatus (HeNB), wherein interference between the HeNB and an MeNB can be inhibited, without any exchange of information between the HeNB and the MeNB. In the HeNB (100), which forms a cell smaller than a cell formed by the MeNB, a pattern generation unit (101) generates an assigning pattern of subbands to be assigned to the HeNB (100), from among a plurality of subbands that can be used by the HeNB (100), wherein combinations of subbands are different for each of the frames. An assignment unit (102) assigns subbands to communication terminal apparatuses connected to the HeNB (100), on the basis of the assigning pattern.

Abstract: Provided is a compact base station apparatus (HeNB) whereby frame timing can precisely be synchronized between HeNB and MeNB, thereby suppressing the interference in an upstream channel. In HeNB (100), which forms a cell smaller than a cell formed by MeNB, frame timing detecting unit (111) detects, based on a sync signal received from MeNB, the frame timing of MeNB; a control unit (116) uses the frame timing of MeNB to set the frame timing of a downstream channel in HeNB (100); a transmission RF unit (118) transmits, in accordance with the frame timing of the downstream channel in HeNB (100), a preamble to MeNB; and a TA command extracting unit (114) acquires, from a response signal responsive to the preamble, information indicating a difference in frame timing between MeNB and HeNB (100).

Abstract: Provided are a server apparatus and an interference control method, wherein interference between cells is inhibited, and a drop in throughput of the entire network is also inhibited. An ABS configuration determining unit (203) of an OMC (200) is provided with an ABS configuration table that is defined such that the frequency with which downstream transmission is stopped is decreased as the number of HeNBs decreases, and the frequency with which downstream transmission is stopped is increased as the number of HeNBs increases. The ABS configuration determining unit (203) obtains the number of HeNBs within an MeNB area, obtains an ABS configuration corresponding to the obtained number of HeNBs from the ABS configuration table, and determines to apply the configuration to the MeNB.

Abstract: A communication apparatus wherein in a case of reporting a reception quality measured for each of a plurality of subbands, even if the band is widened, the degradation in transmission efficiency can be avoided. In this apparatus, an antenna (101) receives the pilot signals superimposed on a plurality of subbands in a predetermined band. A quality level calculating unit (107) uses the received pilot signals to measure the reception qualities of the respective subbands. A CQI selecting unit (109) selects one of a plurality of CQI values that corresponds to one of the measured reception qualities for each subband. A feedback information generating unit (110) calculates a first average value of the selected CQI values, calculates a second average value of the CQI values indicating better reception qualities than the first average value, and calculates a difference value between the second average value and each of the CQI values indicating better reception qualities than the second average value.

Abstract: An apparatus for encoding source data, that includes a first encoder configured to encode the source data to produce first additional data; and a randomizing unit configured to randomize the source data to produce randomized data; and a second encoder configured to encode the randomized data to produce second additional data; and a selector configured to select a number of bits from the first and second additional data to produce first selected data and second selected data, wherein the number of selected bits is selected based upon a data length of an output sequence determined by a transmission frame format, and wherein the data length of the output sequence is variable.

Abstract: The present invention provides a base station device capable of improving the throughput of a whole network by minimizing interference between respective base stations. In a communication system including a plurality of base stations, which transmit a signal by using any of a plurality of different ABS patterns which are sub frame ABS patterns represented by the combination of a transmission sub frame for transmitting a signal and a non-transmission sub frame for suspending the transmission of the signal, a determining unit (104), on the basis of the presence or absence of the interference between an HeNB (100) and other base stations except for the HeNB (100), determines the ABS pattern used by the HeNB (100) from among the plurality of ABS patterns, and a transmitting unit (105) transmits a signal to a terminal connected to the HeNB (100); in accordance with the determined ABS pattern.

Abstract: A monitoring device (200) manages the installation position of a moveable small-sized base station (100), A message analysis unit (202) acquires, from the small-sized base station (100) being managed, peripheral cell information which shows small-sized base stations present in the periphery of the small-sized base station (100) being managed. A database management unit (204) divides map information into a plurality of areas, and stores database information which has established whether or not each of the small-sized base stations (100) can he installed in each area service continuation determination unit (205) permits the installation of the small-sized base station (100) being managed, if the installation position for the small-sized base station (100) being managed, as determined from the acquired peripheral cell information, is an area wherein the installation of the small-sized base station (100) being managed is permitted, as established in the database information.

Abstract: An encoding processing apparatus in which reception precision characteristics are improved by specially adapting puncture processing in respect of the code words for each encoding system. A puncture section switches between a puncture pattern for a first code word partial sequence obtained on the basis of the head and tail in a fixed information block, and a puncture pattern for a second code word partial sequence obtained on the basis of the middle portion, excluding the head and tail. Also, the puncture section receives the number of retransmissions of information from a retransmission control section and switches the puncture pattern for the second code word partial sequence in accordance with the number of retransmissions. In addition, the puncture section prioritizing systematic bits over parity bits when puncturing the first code word partial sequence.

Abstract: A small-sized base station for which the installation location can be restricted to an appropriate range and can be appropriately managed. A small-sized base station (100) is moveable. A utilities subscriber ID acquisition unit (102) acquires, from the outside, the subscriber ID of utilities in the installation location of the small-sized base station (100). A message generation unit (103) generates a request message containing the subscriber ID, inputted from the utilities subscriber ID acquisition unit (102), and identification information identifying the small-sized base station (100), then sends the generated request message to a monitoring device (200), and requests permission for the installation of the small-sized base station (100) in the installation location. A service management function unit (106) initiates service if the monitoring unit (200) has permitted installation, in response to the sent request message.

Abstract: MIMO transmitting apparatus wherein data to be retransmitted and data to be transmitted anew are rearranged, thereby using HARQ technique to improve the reliability of the system transmission, while increasing the system throughput and improving the efficiency of the whole data transmission. In this apparatus, a retransmittal data selecting means (400) temporarily stores data, and outputs, as retransmittal data, the data when it is determined, based on feedback information, that the data must be retransmitted. A deinterleaving means (404) performs a deinterleaving process under control of an interleaving control means (408). The interleaving control means (408) controls, based on the feedback information, an interleaving process.

Abstract: Provided is a network management device capable of suppressing interference of a preamble between cells while securing a predetermined resource. An FGW (500) as the device is a network management device for managing a plurality of base station devices each of which perform communication with communication terminal devices by the SC-FDMA method, wherein the FGW (500) is provided with a parameter determination unit (530) for determining parameters related to an uplink preamble with respect to at least one among the plurality of base station devices, and a parameter notification unit (540) for sending notifications of the determined parameters to the base station devices for which the parameters have been determined; wherein the parameter determination unit (530) determines the parameters so that transmitted sequences of the preamble do not overlap between at least two of the plurality of base station devices.

Abstract: A desired coding rate is obtained by encoding source data to produce first additional data; randomizing the source data to produce randomized data; encoding the randomized data to produce second additional data; selecting a number of bits from the first and second additional data to produce first selected data and second selected data, the number of selected bits is selected based upon a data length of the source data and a desired data length of an output sequence; and multiplexing the source data with the first and second selected data. At least one of the data length of the source data and the data length of the output sequence is variable.

Abstract: Provided is a compact base station apparatus (HeNB) whereby frame timing can precisely be synchronized between HeNB and MeNB, thereby suppressing the interference in an upstream channel. In HeNB (100), which forms a cell smaller than a cell formed by MeNB, frame timing detecting unit (111) detects, based on a sync signal received from MeNB, the frame timing of MeNB; a control unit (116) uses the frame timing of MeNB to set the frame timing of a downstream channel in HeNB (100); a transmission RF unit (118) transmits, in accordance with the frame timing of the downstream channel in HeNB (100), a preamble to MeNB; and a TA command extracting unit (114) acquires, from a response signal responsive to the preamble, information indicating a difference in frame timing between MeNB and HeNB (100).

Abstract: Provided is a small base station apparatus (HeNB), wherein interference between the HeNB and an MeNB can be inhibited, without any exchange of information between the HeNB and the MeNB. In the HeNB (100), which forms a cell smaller than a cell formed by the MeNB, a pattern generation unit (101) generates an assigning pattern of subbands to be assigned to the HeNB (100), from among a plurality of subbands that can be used by the HeNB (100), wherein combinations of subbands are different for each of the frames. An assignment unit (102) assigns subbands to communication terminal apparatuses connected to the HeNB (100), on the basis of the assigning pattern.

Abstract: A classifying-synthesizing transmission method of multi-user feedback information at a base station. At the base station, a classifier (554) classifies users into a plurality of kinds on the basis of different efficiencies at the time when the base station transmits information to the users. On the basis of the characteristics of synthetic data, a compressor (555) compresses the information synthesized, to reduce the quantity of information to be transmitted. A synthesizer (556) again synthesizes the compressed data of different user kinds. An encoder (557) adds redundant information to the feedback information to be transmitted. A transmitter (524) transmits the encoded feedback information to all users. As a result, the quantity of communication of a downward feedback channel can be drastically reduced to spare the use of radio resources.

Abstract: Provided are a multi-pilot generation method and a detection method in a multi-antenna communication system. In the method, a transmission side superimposes a first preamble sequence and a third preamble sequence to generate a second preamble sequence, which is subjected to serial/parallel conversion before the first preamble sequence and the second preamble sequence are successively transmitted from a plurality of antennas by time division. A reception side receives the first preamble sequence and the second preamble sequence by a plurality of antennas, separates the third preamble sequence from the second preamble sequence by a spatial division process, and performs a pilot correlation process by using the first preamble sequence and the separated third preamble sequence.

Abstract: Disclosed is an encoding processing apparatus in which reception precision characteristics are improved by specially adapting puncture processing in respect of the code words for each encoding system. A puncture section (130) switches between a puncture pattern for a first code word partial sequence obtained on the basis of the head and tail in a fixed information block, and a puncture pattern for a second code word partial sequence obtained on the basis of the middle portion, excluding the head and tail. Also, the puncture section (130) receives the number of retransmissions of information from a retransmission control section (180) and switches the puncture pattern for the second code word partial sequence in accordance with the number of retransmissions. In addition, the puncture section (130) prioritising systematic bits over parity bits when puncturing the first code word partial sequence.