| Patent application number | Description | Published |
|---|
| 20080273517 | Wireless Communication Apparatus and Wireless Communication Method - The circuit scale of a wireless communication apparatus at the data receiving end in a wireless communication performing an adaptive control for each of subcarriers or subchannels can be reduced. In the present apparatus, frame forming parts ( | 11-06-2008 |
| 20080304582 | Multi-Carrier Transmission Device and Multi-Carrier Transmission Method - There is provided a multi-carrier transmission device capable of improving a packet error ratio in a system where transmission data is repeatedly multi-carrier-transmitted. In this device, the transmission data is subjected to error correction encoding in an error correction encoding unit ( | 12-11-2008 |
| 20080304583 | Radio Transmission Device, Radio Reception Device, Radio Transmission Method, and Radio Reception Method - A radio transmission device capable of improving channel estimation precision for each frequency. In this device, an FFT unit ( | 12-11-2008 |
| 20080304584 | Radio Transmission Device and Radio Reception Device - There is disclosed a radio transmission device capable of improving the throughput. The radio transmission device ( | 12-11-2008 |
| 20080305740 | Wireless Communication Apparatus, Wireless Communication Method and Wireless Communication System - The objective of the present invention is to suppress an increase in the power consumption for the relaying of signals. A relay station unit | 12-11-2008 |
| 20080305823 | Base Station Device and Wireless Communication Method - A base station device enabling prevention of an increase of the power consumption of a terminal and reduction of interference caused in neighboring cells. The base station device ( | 12-11-2008 |
| 20080310530 | Wireless Communication Apparatus and Wireless Communication Method - A wireless communication apparatus and a wireless communication method wherein even when the permissible delay amount of data is small, the permissible delay thereof can be satisfied. A data type determining part ( | 12-18-2008 |
| 20080311863 | Radio Communication Device and Radio Communication Method - A radio communication device capable of lightening the influence of a frequency selective fading in the wide-band transmission of a single carrier thereby to prevent deterioration of error rate characteristics. In this device, an FFT unit ( | 12-18-2008 |
| 20090003477 | Radio Communication Base Station Apparatus and Report Channel Signal Transmission Band Setting Method - Provided is a base station capable of effectively transmitting BCH data. The base station ( | 01-01-2009 |
| 20090005049 | Base Station Apparatus And Wireless Transmission Method - A base station apparatus capable of effectively distributing resources of a wireless communication system, enhancing the throughput and increasing the number of users accommodated in the communication system. This apparatus increases or reduces, in accordance with the traffic of the communication system, the repetition number of transport data addressed to a mobile station being under a soft handover. For example, when the resource usage rates of BS | 01-01-2009 |
| 20090005101 | Transmission Power Control Apparatus, Propagation Path Estimating Apparatus, Transmission Power Control Method, and Propagation Path Estimating Method - A transmission power control apparatus capable of reducing unnecessary transmission power that is consumed in transmission of pilot symbols. In the apparatus, a power control part ( | 01-01-2009 |
| 20090005109 | Wireless Transmitter and Wireless Transmitting Method - A wireless transmitter for infallibly delivering data to a wireless receiver, i.e., a multicast or broadcast receiver while increasing the system capacity or the individual channel accommodation capacity. A base station device ( | 01-01-2009 |
| 20090011700 | Wireless Communication Method, Relay Station Apparatus, and Wireless Transmitting Apparatus - A wireless communication method and the like for improving the system throughput. The wireless communication method is used in a mobile communication system having a base station apparatus (BS), a relay station apparatus (RS) ( | 01-08-2009 |
| 20090011702 | WIRELESS TRANSMISSION APPARATUS AND WIRELESS TRANSMISSION METHOD - A wireless transmission apparatus capable of suppressing a reduction in coverage area of a base station apparatus and improving the transmission rate in the coverage area. According to this apparatus, a mobile station ( | 01-08-2009 |
| 20090017814 | RADIO COMMUNICATION METHOD, RELAY STATION DEVICE, AND RADIO RECEIVER DEVICE - Provided is a radio communication method or the like for making compatible an improvement in error rate characteristics and a reduction in delay. The radio communication method is used in a mobile communication system ( | 01-15-2009 |
| 20090022232 | RADIO TRANSMITTER APPARATUS AND RADIO RECEIVER APPARATUS - A radio receiver apparatus and a radio transmitter apparatus wherein the energy loss caused by addition of GI is suppressed, while the reception quality is improved. A signal having been subjected to an IFFT process is repetitively transmitted N times with a length of one OFDM symbol interval. At a receiver apparatus receiving the transmitted signals, a leading data extracting part ( | 01-22-2009 |
| 20090034637 | TRANSMITTING APPARATUS, RECEIVING APPARATUS, AND LINK ADAPTATION METHOD - A link adaptation method and others wherein feedback information amount can be reduced. According to this method, a receiving apparatus ( | 02-05-2009 |
| 20090036135 | MULTI-CARRIER COMMUNICATION DEVICE AND MULTI-CARRIER COMMUNICATION METHOD - There is provided a multi-carrier communication method capable of preventing lowering of a throughput of another mobile device accompanying allocation of a sub-carrier for a new mobile station device. This multi-carrier communication method can acquire reception quality information for one of the sub-carriers already allocated in an MS ( | 02-05-2009 |
| 20090046592 | WIRELESS COMMUNICATION BASE STATION APPARATUS, WIRELESS COMMUNICATION MOBILE STATION APPARATUS, WIRELESS COMMUNICATION METHOD, AND WIRELESS COMMUNICATION SYSTEM - A wireless communication method and a wireless communication system wherein any communication interruption caused by changing RRB arrangement information can be avoided. In ST | 02-19-2009 |
| 20090046604 | WIRELESS COMMUNICATION METHOD, BASE STATION APPARATUS AND MOBILE STATION APPARATUS - A wireless communication method for improving the transmission efficiency in an upstream communication in OFDMA-TDD system or the like. An upstream transmission timing control part ( | 02-19-2009 |
| 20090046701 | RADIO COMMUNICATION BASE STATION APPARATUS AND SYNCHRONIZATION CHANNEL SIGNAL TRANSMISSION METHOD - Provided is a base station capable of searching cells of different frequencies without losing a opportunity of data communication by effectively performing SCH data transmission. The base station ( | 02-19-2009 |
| 20090059854 | RADIO COMMUNICATION BASE STATION APPARATUS AND RADIO COMMUNICATION METHOD - Provided is a base station capable of searching cells of different frequencies without losing a chance of data communication by effectively performing SCH data communication. The base station ( | 03-05-2009 |
| 20090060077 | WIRELESS COMMUNICATION BASE STATION APPARATUS AND PILOT SIGNAL DISPOSING METHOD - A base station device is provided with features in which multicast data can be prevented from deterioration in the accuracy of channel estimation due to interference of a unicast data pilot signal when multicast data and unicast data are multiplexed for transmission. In this device, a unicast pilot signal generating unit ( | 03-05-2009 |
| 20090060100 | WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD - A wireless communication apparatus capable of enhancing the transmission efficiency, while maintaining a good BER characteristic. In this apparatus, a setting part ( | 03-05-2009 |
| 20090061767 | WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD - A wireless communication method capable of selecting an optimum relay station, while preventing degradation of the throughput. According to this wireless communication method, in a frame | 03-05-2009 |
| 20090061920 | MOBILE STATION APPARATUS AND WIRELESS COMMUNICATION METHOD - A mobile station wherein the power consumption can be suppressed. In a frame | 03-05-2009 |
| 20090075700 | RADIO COMMUNICATION BASE STATION APPARATUS IN MULTIPLE-CARRIER COMMUNICATION AND RADIO COMMUNICATION METHOD - A base station is provided to suppress a drop of receiving power and deterioration of receiving characteristics by cancellation between the same symbols in the case of application of a repetition technology to multiple-carrier communication. In this base station ( | 03-19-2009 |
| 20090103648 | WIRELESS COMMUNICATION BASE STATION APPARATUS AND WIRELESS COMMUNICATION METHOD IN MULTICARRIER COMMUNICATION - A base station apparatus wherein the interference suppression symbol combination can be performed in a case of using the repetition technique in a multicarrier communication. In a base station ( | 04-23-2009 |
| 20090104877 | RADIO COMMUNICATION APPARATUS AND RADIO COMMUNICATION METHOD - A CIR measuring section | 04-23-2009 |
| 20090109999 | WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION METHOD - Provided is a wireless communication apparatus by which the maximum throughput can be obtained while satisfying required reception qualities in multicarrier communication. In the apparatus, a coding section ( | 04-30-2009 |
| 20090111384 | WIRELESS COMMUNICATION TERMINAL APPARATUS AND CQI SELECTING METHOD - A wireless communication terminal apparatus and a CQI selecting method wherein when CQIs are grouped according to their levels and then an upper-order CQI, which is indicative of a group, is to be informed in a longer period, while a lower-order CQI, which identifies a CQI in the group, being to be informed in a shorter period, the CQI is precisely selected. A reception SIR range of 0-4 dB in UE corresponds to a level | 04-30-2009 |
| 20090122752 | METHOD FOR SETTING SUBBANDS IN MULTICARRIER COMMUNICATION, AND RADIO COMMUNICATION BASE STATION APPARATUS - A wireless communication base station apparatus wherein when a frequency scheduling transmission and a frequency diversity transmission are performed in a multicarrier communication at the same time, the adaptive control of a channel for performing the frequency scheduling transmission can be prevented from being complicated. In this apparatus, a modulating part ( | 05-14-2009 |
| 20090135924 | RADIO COMMUNICATION BASE STATION APPARATUS AND RADIO COMMUNICATION METHOD IN MULTI-CARRIER COMMUNICATIONS - Provided is a radio communication base station device capable of acquiring both a multi-user diversity effect and a frequency diversity effect simultaneously in multi-carrier communications. In this devices modulation units ( | 05-28-2009 |
| 20090141648 | MULTICARRIER COMMUNICATION SYSTEM, MULTICARRIER COMMUNICATION APPARATUS AND CQI REPORTING METHOD - Provided is a multicarrier communication apparatus by which information quantity of CQI reporting can be reduced. In the apparatus, each CQI is recorded in a CQI table section ( | 06-04-2009 |
| 20090150738 | DATA COMMUNICATION APPARATUS, DATA RECEIVING APPARATUS, DATA TRANSMITTING APPARATUS, AND RETRANSMISSION CONTROL METHOD - A data communication apparatus, a data receiving apparatus, a data transmitting apparatus and a retransmission control method wherein the transmission efficiency is improved. The data communication apparatus includes an error rate determining part ( | 06-11-2009 |
| 20090168711 | RADIO COMMUNICATION SYSTEM, RADIO TRANSMISSION APPARATUS, AND RETRANSMISSION METHOD - Provided is a retransmission method capable of improving reception quality in retransmission control. In this method, for the first transmission, LRB (Localized Resource Block) method is selected as a resource allocation method according to the CQI fed back from the mobile station. A frequency resource having the best reception quality according to the LRB format is allocated for the transmission data. For the second transmission, the same resource allocation method (LRB) as the first transmission is used and the transmission data is allocated fro the same frequency resource. For the third transmission, the resource allocation method is switched from the method of the first and the second transmission and transmission data is allocated to the frequency resource by using DRB (Distributed Resource Block) format. | 07-02-2009 |
| 20090185638 | RADIO TRANSMISSION DEVICE AND RADIO TRANSMISSION METHOD - Provided are a radio transmission device and a radio transmission method capable of improving downlink and uplink throughput even when performing dynamic symbol allocation. In the device and the method, BS and MS share a table correlating a basic TF as a combination of parameters such as TB size used for transmitting only user data, an allocation RB quantity, a modulation method, and an encoding ratio, with a derived TF having user data of different TB size by combining L1/L2 control information. Even when multiplexing L1/L2 control information, Index corresponding to the basic TF is reported from BS to MS. | 07-23-2009 |
| 20090190516 | RADIO COMMUNICATION BASE STATION APPARATUS AND PILOT TRANSMITTING METHOD - A base station realizing enhancement of the interpolation accuracy of the channel estimate between sub-frames. In a base station ( | 07-30-2009 |
| 20090209261 | BASE STATION APPARATUS, COMMUNICATION TERMINAL APPARATUS, AND MULTICARRIER COMMUNICATION METHOD - A multicarrier communication method capable of improving the frequency utilization efficiency and the throughput of the communication system, while satisfying the QoS. A communication terminal reports the CQI about all of the subchannels included in the bandwidth of a communication channel during a first CQI report, as shown in the upper figure portion. Unlike the first report, during the second and following CQI reports, in which much time is left in terms of the permissible delay time, the communication terminal reports the CQI only about subchannels | 08-20-2009 |
| 20090233598 | RADIO COMMUNICATION BASE STATION APPARATUS, RADIO COMMUNICATION MOBILE STATION APPARATUS, AND RADIO COMMUNICATION METHOD IN MULTI-CARRIER COMMUNICATION - There is provided a mobile station device capable of effectively performing interference suppression symbol synthesis while suppressing the lowering of the transfer rate when using the repetition technique in multi-carrier communication. In the mobile station device ( | 09-17-2009 |
| 20090238123 | RADIO TRANSMISSION DEVICE AND RADIO TRANSMISSION METHOD - Disclosed are a radio transmission device and a radio transmission method capable of containing a plenty of mobile stations for receiving low-rate data and avoiding lowering a system throughput. A group ID assigning unit ( | 09-24-2009 |
| 20090239484 | RADIO RECEIVER APPARATUS AND RADIO TRANSMITTER APPARATUS - A radio receiver apparatus that can effectively utilize GI to improve the reception quality. In this apparatus, a data extracting part ( | 09-24-2009 |
| 20090245188 | RADIO COMMUNICATION SYSTEM, RADIO TRANSMISSION APPARATUS, AND RESOURCE ALLOCATION METHOD - Provided is a resource allocation method capable of improving a reception quality when connecting a plurality of sub frames into one frame and performing a communication process for each of the frames. In this method, when a sub frame # | 10-01-2009 |
| 20090245413 | RADIO TRANSMITTING APPARATUS AND RADIO TRANSMITTING METHOD - A radio transmitting apparatus and a radio transmitting method wherein a guard interval having a variable length is used to allow a radio receiving apparatus to precisely and easily obtain a symbol synchronization. In the radio transmitting apparatus, a GI adding part ( | 10-01-2009 |
| 20090257371 | RADIO COMMUNICATION BASE STATION APPARATUS AND TRANSMISSION METHOD IN THE RADIO COMMUNICATION BASE STATION APPARATUS - Provided is a base station capable of SFN transmission of multicast data by using an empty section of an allocated resource. In this base station, an arrangement unit ( | 10-15-2009 |
| 20090257381 | RADIO COMMUNICATION BASE STATION APPARATUS AND RADIO COMMUNICATION METHOD USED FOR MULTI-CARRIER COMMUNICATION - Provided is a base station capable of suppressing increase of overhead of allocation result report in frequency scheduling in multi-carrier communication and obtaining a sufficient frequency diversity effect. In the base station, encoding units ( | 10-15-2009 |
| 20090262653 | WIRELESS COMMUNICATION MOBILE STATION DEVICE, WIRELESS COMMUNICATION BASE STATION DEVICE AND CQI REPORT METHOD - Provided is a wireless communication mobile station device by which a throughput can be improved in multicarrier communication. In the device, a group control section ( | 10-22-2009 |
| 20090279446 | RADIO COMMUNICATION DEVICE AND CQI GENERATION METHOD - It is possible to provide a radio communication device and a CQI generation method capable of reducing the total number of CQI when reporting CQI for each level in a hierarchized RB. In the device and the method, the RB hierarchy is made as follows: a plurality of groups each consisting of the same number of RB are made to be one level, a group consisting of a plenty of RB is made to be a lower level, and a group consisting of a small number of RB is made to be a higher level. UE reports CQI for each level to Node B according to the RB reception quality at a longer cycle for lower level and at a shorter cycle for a higher level. | 11-12-2009 |
| 20090290541 | RADIO COMMUNICATION BASE STATION DEVICE AND CONTROL CHANNEL MCS CONTROL METHOD - Provided is a radio communication base station device capable of reducing a communication overhead by a control channel such as SCCH (Shared Control Channel). In this device, each encoding unit ( | 11-26-2009 |
| 20090303944 | RADIO COMMUNICATION BASE STATION APPARATUS AND RESOURCE BLOCK ALLOCATION METHOD - A base station can perform distributed allocation enabling a resource block allocation with a higher priority while suppressing a control information amount. In this base station, the localized allocation of data to terminals # | 12-10-2009 |
| 20100023836 | OFDM Signal Collision Position Detection Apparatus and OFDM Reception Apparatus - A pilot reception power measuring section measures reception power of a pilot symbol and a data section reception power prediction section predicts reception power of data symbols based on the reception power of the pilot symbol. A power comparison section calculates a difference between this predicted value and the actual reception power of the data symbol, and when the difference is large, a collision position detection section regards the data symbol at the hopping position as colliding with data symbols in other cells. Then, an error correcting decoding section carries out error correcting processing by reducing likelihood of the data symbols detected to be involved in the collision and can thereby improve the error rate characteristic of decoded data. | 01-28-2010 |
| 20100027501 | RADIO COMMUNICATION DEVICE AND PILOT ARRANGEMENT METHOD - Provided is a radio communication device capable of reducing the number of pilots while maintaining a channel estimation accuracy. The radio communication device includes: a unicast pilot generation unit ( | 02-04-2010 |
| 20100040003 | RADIO COMMUNICATION BASE STATION DEVICE AND CONTROL SIGNAL MAPPING METHOD - Provided is a radio communication base station device which can reduce the number of judgment times for a control signal in a mobile station, thereby suppressing power consumption by the mobile station. The radio communication base station device ( | 02-18-2010 |
| 20100046459 | CHANNEL ARRANGEMENT METHOD AND RADIO COMMUNICATION BASE STATION DEVICE - Provided is a radio communication base station device which can prevent lowering of use efficiency of a channel communication resource for performing a frequency diversity transmission when simultaneously performing a frequency scheduling transmission and the frequency diversity transmission in a multicarrier communication. In the device, a modulation unit ( | 02-25-2010 |
| 20100048219 | RADIO COMMUNICATION BASE STATION DEVICE AND CONTROL CHANNEL ARRANGEMENT METHOD - Provided is a radio communication base station device which can obtain a maximum frequency diversity effect of a downstream line control channel. The device includes: an RB allocation unit ( | 02-25-2010 |
| 20100050044 | RADIO COMMUNICATION APPARATUS AND TEMPORARY BIT INSERTION METHOD - Provided is a radio communication apparatus capable of always obtaining the optimum error rate characteristic when an LDPC code is used for an error-correcting code. In the apparatus, a temporary bit insertion section ( | 02-25-2010 |
| 20100061359 | RADIO COMMUNICATION BASE STATION DEVICE AND RADIO COMMUNICATION METHOD - Provided is a radio communication base station device capable of suppressing degradation of a signal error ratio characteristic for a mobile station in the vicinity of the cell center when a plurality of signals whose transmission power is to be controlled are frequency-multiplexed or code-multiplexed. In the device ( | 03-11-2010 |
| 20100107033 | RADIO COMMUNICATION DEVICE AND PUNCTURING METHOD - Provided is a radio communication device which can minimize degradation of the error ratio characteristic attributed to puncturing when an LDPC code is used as an error correction code. In this device, an LDPC encoding unit ( | 04-29-2010 |
| 20100113007 | WIRELESS COMMUNICATION BASE STATION APPARATUS, WIRELESS COMMUNICATION MOBILE STATION APPARATUS, AND METHOD FOR MAPPING RESPONSE SIGNAL IN ARQ - In ARQ where a plurality of mobile stations share and use a single channel for response signals (ACK/HACK signals), a wireless communication base station apparatus can prevent failure of the ARQ control. In this apparatus, a CRC part ( | 05-06-2010 |
| 20100118919 | WIRELESS COMMUNICATION APPARATUS AND RESPONSE SIGNAL SPREADING METHOD - A wireless communication apparatus capable of minimizing the degradation in separation characteristic of a code multiplexed response signal. In this apparatus, a control part ( | 05-13-2010 |
| 20100122138 | Radio Communication Device and Radio Communication Method - Provided is a radio communication device which can always obtain an optimal error ratio characteristic in HARQ using the LDPC code as an error correction code. The device includes: a rearrangement unit ( | 05-13-2010 |
| 20100128686 | RADIO COMMUNICATION BASE STATION DEVICE AND RESOURCE SHARING METHOD - A radio communication base station device capable of reducing the downlink resources required for ACK/NACK channels to improve data transmission efficiency. In this device, an allocation control channel allocating section ( | 05-27-2010 |
| 20100142630 | MULTICARRIER TRANSMITTING APPARATUS, MULTICARRIER RECEIVING APPARATUS, AND THEIR METHODS - A multicarrier transmitting apparatus capable of improving the data symbol error rate characteristic to improve the reception quality. In this apparatus, a replacement position deciding part ( | 06-10-2010 |
| 20100172278 | RADIO TRANSMISSION APPARATUS AND RADIO TRANSMITTING METHOD - Provided is a radio transmission device capable of improving reception accuracy of a unicast channel received after a multicast channel. In the radio transmission device, a multicast transmission power control unit ( | 07-08-2010 |
| 20100172286 | RADIO COMMUNICATION BASE STATION APPARATUS AND PILOT TRANSMISSION METHOD - Provided is a base station capable of giving a pilot appropriate for both of multicast data and unicast data which are frequency-multiplexed. In a pilot generation unit ( | 07-08-2010 |
| 20100177713 | RADIO COMMUNICATION MOBILE STATION DEVICE AND RESOURCE ALLOCATION METHOD - Provided is a mobile station capable of increasing the use efficiency of a transmission resource. The mobile station ( | 07-15-2010 |
| 20100183047 | WIRELESS COMMUNICATION APPARATUS AND RESPONSE SIGNAL SPREADING METHOD - A wireless communication apparatus capable of minimizing the degradation of the separation characteristic of response signals to be code-multiplexed. In the apparatus, a control part ( | 07-22-2010 |
| 20100195571 | Wireless Communication Device and Retransmission Judging Method - It is an object to provide a wireless communication device configured to reduce a communication resource necessary for retransmission, so that data transmission efficiency can be improved. In this device, when an NACK signal is input from an error detecting unit ( | 08-05-2010 |
| 20100195823 | Radio Communication Base Station Device, Radio Communication Mobile Station Device, Method for Scrambling Response Signal in ARQ - Provided is a radio communication base station device which can prevent damage of ARQ control in an ARQ in which a response signal (ACK/NACK) channel is shared by a plurality of mobile stations. In the device, a repetition unit ( | 08-05-2010 |
| 20100197221 | WIRELESS COMMUNICATION METHOD, RELAY STATION APPARATUS, AND WIRELESS TRANSMITTING APPARATUS - A wireless communication method and the like for improving the system throughput. The wireless communication method is used in a mobile communication system having a base station apparatus (BS), a relay station apparatus (RS) ( | 08-05-2010 |
| 20100202377 | CHANNEL ARRANGEMENT METHOD AND WIRELESS COMMUNICATION BASE STATION DEVICE - It is an object to provide a wireless communication base station device that can prevent the decline of a system throughput due to the degradation of a utilization efficiency of a communication resource of a channel for carrying out a frequency diversity transmission when a frequency scheduling transmission and a frequency diversity transmission are concurrently carried out in multiple carrier communication. In the wireless communication base station device, a modulation unit ( | 08-12-2010 |
| 20100202386 | WIRELESS COMMUNICATION APPARATUS AND MAPPING METHOD - A wireless communication apparatus wherein the power consumption can be reduced. In this apparatus, a code block dividing part ( | 08-12-2010 |
| 20100208664 | WIRELESS COMMUNICATION BASE STATION APPARATUS, WIRELESS COMMUNICATION MOBILE STATION APPARATUS AND PILOT SIGNAL SEQUENCE ALLOCATING METHOD IN MULTICARRIER COMMUNICATION - A wireless communication apparatus wherein even if the number of sectors or cells is increased in a multicarrier communication, the orthogonality between the pilot signal sequences between adjacent sectors or cells can be prevented from collapsing due to a frequency selectivity fading, thereby improving the reception characteristic. In this apparatus, modulating parts ( | 08-19-2010 |
| 20100226318 | RADIO COMMUNICATION BASE STATION DEVICE AND CONTROL CHANNEL ARRANGING METHOD - Provided is a base station which can prevent deterioration of data channel application control accuracy due to influence of transmission power control to a control channel. In the base station, each encoding section ( | 09-09-2010 |
| 20100232378 | RADIO COMMUNICATION BASE STATION DEVICE, RADIO COMMUNICATION TERMINAL DEVICE, AND RESPONSE SIGNAL ALLOCATION METHOD - It is possible to provide a radio communication base station device, a radio communication terminal device, and a response signal allocation method which perform D-ACK and P-ACK resource allocation while maintaining a high use efficiency of the upstream line control channel of PUCCH or the like. When a plurality of CCE are allocated upon PDCCH transmission, PUCCH resources corresponding to odd CCE numbers are allocated for D-ACK and PUCCH resources corresponding to even CCE numbers are allocated for P-ACK among a plurality of CCE numbers which can be used. | 09-16-2010 |
| 20100232388 | RADIO COMMUNICATION MOBILE STATION DEVICE AND RESPONSE SIGNAL SPREAD SEQUENCE CONTROL METHOD - Provided is a radio communication mobile station device which can reduce the number of blind decoding processes at a mobile station without increasing the overhead by report information. The device includes: a judgment unit ( | 09-16-2010 |
| 20100232542 | RADIO TRANSMITTING APPARATUS AND MULTICARRIER SIGNAL GENERATING METHOD - A base station allowing mobile stations to efficiently remove interference signals. In this base station ( | 09-16-2010 |
| 20100238818 | WIRELESS COMMUNICATION MOBILE STATION APPARATUS AND COMMUNICATION QUALITY INFORMATION GENERATING METHOD - A wireless communication mobile station apparatus wherein the accuracy of measuring the communication quality can be improved. In this apparatus, a desired signal power measuring part ( | 09-23-2010 |
| 20100241934 | RADIO COMMUNICATION APPARATUS AND ERROR DETECTING ENCODING METHOD - A wireless communication device is provided to make it possible to detect errors with high accuracy while to suppress reduction in throughput in the case that an LDPC (Low-Density Parity-Check) code is used for an error correcting code. In the wireless communication device, a CRC (Cyclic Redundancy Check) coding unit ( | 09-23-2010 |
| 20100251062 | ENCODING METHOD AND TRANSMISSION DEVICE - Provided is an encoding method including: a step of extending a bidiagonal line of a basic matrix of m rows and n columns in the direction of a bidiagonal line according to an encoding ratio 1/k of the spread code (wherein k=3, 4, 5, . . . , k0) set in the LDPC code inspection matrix so as to constitute an extended matrix of the bidiagonal line structure; a step of moving a first non-zero element of the parity bit portion in the (i*m+1)-th row to the (n−m+1)-th column (wherein i=1, 2, . . . , k0−2) leftward along the row; a step of calculating the parity bit of the (n−m+1)-th column by using a first inspection relationship as a start factor; and a step of simultaneously calculating parity bits of a plurality of groups by the recursive encoding method by using the inspection relationship moved leftward to the (n−m+1)-th column. | 09-30-2010 |
| 20100260116 | RADIO RESOURCE MANAGEMENT DEVICE, RADIO COMMUNICATION BASE STATION DEVICE, AND RADIO RESOURCE MANAGEMENT METHOD - It is possible to provide a radio resource management device, a radio communication base station device, and a radio resource management method which can reduce a reply signal inter-cell interference and suppress decrease of the number of ACK/NACK which can be transmitted. When a plurality of CCE are allocated for PDCCH transmission, among usable CCE, the CCE number used between adjacent cells is differentiated. More specifically, a different RN satisfying RN=(usable CCE number m) mod N is allocated to the adjacent cell. A mobile station performs ACK/NACK transmission by using a PUCCH resource corresponding to the CCE number which becomes the allocated RN. | 10-14-2010 |
| 20100272212 | MULTI-CARRIER TRANSMISSION DEVICE AND MULTI-CARRIER TRANSMISSION METHOD - There is provided a multi-carrier transmission device capable of improving a packet error ratio in a system where transmission data is repeatedly multi-carrier-transmitted. In this device, the transmission data is subjected to error correction encoding in an error correction encoding unit ( | 10-28-2010 |
| 20100273438 | RADIO COMMUNICATION APPARATUS AND RADIO COMMUNICATION METHOD IN MULTI-CARRIER COMMUNICATION - Provided is a radio communication device capable of preventing lowering of the frequency diversity effect when using the CDD (Cyclic Delay Diversity) in combination with the frequency diversity technique in a multi-carrier communication. In the radio communication device ( | 10-28-2010 |
| 20100275090 | RADIO COMMUNICATION APPARATUS AND PUNCTURING METHOD - A radio communication apparatus is provided that enables degradation of error rate performance due to puncturing to be minimized when an LDPC code is used as an error correcting code. In this apparatus, a padding bit insertion section | 10-28-2010 |
| 20100285805 | MULTI-CARRIER COMMUNICATION DEVICE AND MULTI-CARRIER COMMUNICATION METHOD - There is provided a multi-carrier communication method capable of preventing lowering of a throughput of another mobile device accompanying allocation of a sub-carrier for a new mobile station device. This multi-carrier communication method can acquire reception quality information for one of the sub-carriers already allocated in an MS ( | 11-11-2010 |
| 20100290404 | INTEGRATED CIRCUIT THAT CONTROLS TRANSMISSION OF A RANDOM ACCESS SIGNAL - A communication terminal apparatus that exhibits a shorter time period required until a start of communication and causes the throughput in the wireless communication system to be less reduced. In this apparatus, when the number, N, of retransmissions notified by a response determining part ( | 11-18-2010 |
| 20100290418 | RADIO COMMUNICATION BASE STATION DEVICE, RADIO COMMUNICATION MOBILE STATION DEVICE, AND CONTROL CHANNEL ALLOCATION METHOD - Provided is a radio communication station device which can prevent limiting of resource allocation in a UE group. The radio communication device includes: a CCE allocation unit ( | 11-18-2010 |
| 20100296384 | WIRELESS COMMUNICATION APPARATUS AND RESPONSE SIGNAL SPREADING METHOD - A wireless communication apparatus capable of minimizing the degradation in separation characteristic of a code multiplexed response signal. In this apparatus, a control part ( | 11-25-2010 |
| 20100297969 | RADIO TRANSMISSION DEVICE, RADIO RECEPTION DEVICE, RADIO TRANSMISSION METHOD, AND RADIO RECEPTION METHOD - A radio transmission device capable of improving the reception error rate characteristics of a receiver. In this device, an FFT (Fast Fourier Transform) unit ( | 11-25-2010 |
| 20100309870 | CONTROL CHANNEL SIGNALING USING A COMMON SIGNALING FIELD FOR TRANSPORT FORMAT AND REDUNDANCY VERSION - The invention relates to a method for providing control signalling associated to a protocol data unit conveying user data in a mobile communication system and to the control channel signal itself. Furthermore, the invention also provides a mobile station and a base station and their respective operation in view of the newly defined control channel signals defined herein. In order to reduce the control channel overhead, the invention suggests defining a common field for the transport format and redundancy version in the control channel information format. According to one approach, the common field is used to jointly encode transport format and redundancy version therein. According to another aspect, one shared field is provided on the control channel signal that indicates either a transport format or a redundancy version depending of whether the control channel signal relates to an initial transmission or a retransmission. In another embodiment, further enhancements to a HARQ protocol are suggested for addressing certain error cases. | 12-09-2010 |
| 20100309873 | CHANNEL ARRANGEMENT METHOD AND RADIO COMMUNICATION DEVICE - Provided is a radio communication base station device which can prevent lowering of use efficiency of a channel communication resource for performing a frequency diversity transmission when simultaneously performing a frequency scheduling transmission and the frequency diversity transmission in a multicarrier communication. In the device, a modulation unit ( | 12-09-2010 |
| 20100325520 | RADIO COMMUNICATION DEVICE AND REPETITION METHOD - Provided is a radio communication device which can obtain the maximum improvement effect of the error rate characteristic by repletion when an LDPC code is used as an error correction code. In this device, an LDPC encoding unit ( | 12-23-2010 |
| 20110002415 | WIRELESS COMMUNICATION MOBILE STATION DEVICE AND METHOD FOR USING PRECODING MATRIX - Provided is a wireless communication mobile station device capable of suppressing an increase in an SRS resource even when the mobile station is provided with a plurality of antennas. In the device, a weighting section ( | 01-06-2011 |
| 20110019636 | WIRELESS COMMUNICATION BASE STATION DEVICE AND WIRELESS COMMUNICATION METHOD - Provided is a wireless communication base station device that can avert PHICH collisions between mobile stations when using a frequency hopping retransmission method in combination with a PHICH grouping method. A base station ( | 01-27-2011 |
| 20110064120 | BASE STATION APPARATUS AND RESPONSE SIGNAL RECEIVING METHOD - A wireless communication apparatus capable of minimizing the degradation of the separation characteristic of response signals to be code-multiplexed. In the apparatus, a control part ( | 03-17-2011 |
| 20110069671 | WIRELESS COMMUNICATION MOBILE STATION DEVICE AND DISTRIBUTION AND PLACEMENT METHOD FOR RESOURCE ELEMENTS - Provided is a mobile station which can obtain an equivalent diversity effect in each communication scheme while keeping to an minimum the increase in the circuit scale of a mobile station even when the mobile station is compatible with a plurality of communication schemes. In a mobile station ( | 03-24-2011 |
| 20110070891 | WIRELESS COMMUNICATION BASE STATION APPARATUS AND REFERENCE SIGNAL ALLOCATION METHOD - Disclosed is a wireless communication base station apparatus capable of preventing degradation of throughput of LTE terminals, even when both LTE terminals and LTE+ terminals are present together. In this apparatus, a CCE allocation section ( | 03-24-2011 |
| 20110075757 | RADIO COMMUNICATION DEVICE AND RADIO COMMUNICATION METHOD - A radio communication device capable of lightening the influence of a frequency selective fading in the wide-band transmission of a single carrier thereby to prevent deterioration of error rate characteristics. In this device, an FFT unit ( | 03-31-2011 |
| 20110081916 | RANDOM ACCESS METHOD AND RADIO COMMUNICATION TERMINAL DEVICE - There are disclosed a random access method for establishing an individual channel between a radio communication terminal device and a base station device in a short time and a radio communication terminal device executing the random access method. In this device, in step ST | 04-07-2011 |
| 20110085508 | RESOURCE ALLOCATION SIZE DEPENDENT TRANSPORT BLOCK SIZE SIGNALING - The invention relates to a method for providing control signalling associated to a transport block in a mobile communication system. Furthermore, the invention also provides a receiving apparatus and a transmitting apparatus that performs the methods proposed herein. In order to obtain a control signaling mechanism that is increasing the number of available transport block sizes that can be used for transmissions of a transport block, without increasing the control signaling overhead, the invention suggests to apply a partitioning to the transport block size indices defined over the entire range of applicable resource allocation sizes and modulation and coding scheme levels, wherein the transport blocks size indicator is selecting the transport block size index from a respective partition depending on the resource allocation size. | 04-14-2011 |
| 20110090832 | MOBILE STATION APPARATUS AND WIRELESS COMMUNICATION METHOD - A mobile station wherein the power consumption can be suppressed. In a frame | 04-21-2011 |
| 20110096690 | RECEIVER APPARATUS AND COMMUNICATION METHOD - A receiver apparatus wherein the processing amount for CQI (Channel Quality Indicator) measurements in a communication system having a plurality of system bandwidths can be reduced. In this apparatus, a narrow band CQI measurement part ( | 04-28-2011 |
| 20110096691 | RECEIVER APPARATUS AND COMMUNICATION METHOD - A receiver apparatus wherein the processing amount for CQI (Channel Quality Indicator) measurements in a communication system having a plurality of system bandwidths can be reduced. In this apparatus, a narrow band CQI measurement part ( | 04-28-2011 |
| 20110096742 | MOBILE STATION APPARATUS AND METHOD FOR RECEIVING DATA - It is an object to provide a wireless communication base station device that can prevent the decline of a system throughput due to the degradation of a utilization efficiency of a communication resource of a channel for carrying out a frequency diversity transmission when a frequency scheduling transmission and a frequency diversity transmission are concurrently carried out in multiple carrier communication. In the wireless communication base station device, a modulation unit ( | 04-28-2011 |
| 20110096862 | RADIO COMMUNICATION APPARATUS, RADIO COMMUNICATION SYSTEM, AND RADIO COMMUNICATION METHOD - Even when a CCFI error has arisen, there is prevented occurrence of a packet error, which would otherwise be caused during the first receiving operation for reasons of erroneous storage of data into a buffer, and data are prevented from being synthesized while deviated during retransmission. A transmission Circular Buffer sequentially reads encode word data to be transmitted in reverse order from end to top like D | 04-28-2011 |
| 20110096928 | Wireless Communication Base Station Device, Wireless Communication Mobile Station Device, and Method for Scrambling Response Signal in ARQ - A wireless communication base station device which does not fail in ARQ control even when a mobile station fails to receive allocation information and collision of the uplink data transmitted from mobile stations occurs. In the device, a CRC unit ( | 04-28-2011 |
| 20110103321 | WIRELESS COMMUNICATION BASE STATION APPARATUS AND CONTROL CHANNEL ALLOCATION METHOD - A wireless communication base station apparatus that allows the number of times of blind decodings at a mobile station to be reduced without increasing the overhead caused by notifying information. In this apparatus, a CCE allocation part ( | 05-05-2011 |
| 20110103343 | METHOD OF ARRANGING REFERENCE SIGNALS AND WIRELESS COMMUNICATION BASE STATION APPARATUS - Disclosed is a wireless communication base station apparatus whereby it is possible to prevent degradation of throughput of LTE terminals, even when LTE terminals and LTE+ terminals are present together. In this apparatus, a setting section ( | 05-05-2011 |
| 20110110319 | RADIO COMMUNICATION BASE STATION DEVICE AND CONTROL CHANNEL ARRANGEMENT METHOD - Provided is a radio communication base station device which can obtain a maximum frequency diversity effect of a downstream line control channel. The device includes: an RB allocation unit ( | 05-12-2011 |
| 20110119548 | RADIO TRANSMISSION DEVICE AND RETRANSMISSION CONTROL METHOD - Provided is a radio transmission device which can simultaneously reduce: a radio resource consumption amount required for signaling to report band allocation information and a HARQ operation mode, and a transmission packet collision ratio accompanying a reception error of the band allocation information. The radio transmission device includes a transmission control unit ( | 05-19-2011 |
| 20110134874 | WIRELESS COMMUNICATION BASE STATION DEVICE, WIRELESS COMMUNICATION TERMINAL DEVICE, AND CHANNEL ALLOCATION METHOD - Disclosed is a base station in which the frequency usage efficiency can be improved when the communication bandwidths are asymmetric in the uplink line and the downlink line. A base station ( | 06-09-2011 |
| 20110134901 | RADIO COMMUNICATION DEVICE AND RADIO COMMUNICATION METHOD - It is possible to obtain the diversity effect in a plurality of slots while preventing complication of a scheduler or inefficient use of resources, to eliminate the phenomenon in which SINR significantly decreases in a specific slot, and to avoid deterioration of demodulation performance. In a radio communication system which performs transmission in a sub-frame unit having two slots temporally continuously arranged, when pre-coding is performed by multiplying a signal to be output to a plurality of antennas by a pre-coding weight, CDD is used to shift a phase such that the phase in the pre-coding weight is cyclically changed on the frequency axis. The phase shift amount to be applied by the CDD is set to change by 2π in an allocated resource block (1RB) of the local device, and PVS is applied such that the phase shift amount differs by π between the weight W | 06-09-2011 |
| 20110141998 | WIRELESS COMMUNICATION BASE STATION DEVICE, WIRELESS COMMUNICATION TERMINAL, AND CONTROL INFORMATION CREATION METHOD - Disclosed is a wireless communication base station device capable of reducing the power consumption of a terminal when broadband transmission is performed with only an uplink. With this device, a setting unit ( | 06-16-2011 |
| 20110158195 | WIRELESS COMMUNICATION BASE STATION DEVICE AND CQI REPORT METHOD - Provided is a wireless communication mobile station device by which a throughput can be improved in multicarrier communication. In the device, a group control section ( | 06-30-2011 |
| 20110164519 | POWER HEAD ROOM REPORTING METHOD AND MOBILE STATION DEVICE - Disclosed are a control signal transmitting method and mobile terminal device capable of switching between a plurality of terminal communication modes having different maximum transmissible power values with a high degree of precision, while suppressing increases in signaling overhead. In a mobile station ( | 07-07-2011 |
| 20110165835 | RADIO COMMUNICATION METHOD, RELAY STATION DEVICE, AND RADIO RECEIVER DEVICE - Provided is a radio communication method or the like for making compatible an improvement in error rate characteristics and a reduction in delay. The radio communication method is used in a mobile communication system including a mobile station, a relay station and a base station. A transmitted signal containing a signal addressed to the base station is transmitted at first from the mobile station to the relay station. A non-reproduced relay signal obtained in the relay station from the transmitted signal is transmitted from the relay station to the base station. On the basis of the reception result of the non-reproduced relay signal at the base station, a re-transmission request of the transmitted signal is transmitted from the base station. A reproduced relay signal, as obtained from the transmitted signal in the relay station, is transmitted from the relay station to the base station in accordance with the re-transmission request transmitted from the base station. | 07-07-2011 |
