Patent application number | Description | Published |
20120057647 | Method, Apparatus and System for Transmitting Information Bits - A method, an apparatus, and a system for transmitting information bits, where the method for transmitting information bits includes: dividing the information bits to be transmitted into at least two groups; encoding the information bits to be transmitted in each group; modulating the coded bits obtained by the encoding to obtain modulation symbols, in which each modulation symbol is obtained by using the modulation of the coded bits in the same group; and mapping and transmitting the modulation symbols. In this way, the receiving end easily reduces the algorithm complexity, thereby ensuring the performance of the receiving end. | 03-08-2012 |
20120076225 | METHOD, APPARATUS AND SYSTEM FOR TRANSMITTING INFORMATION BITS - A method, an apparatus and a system for transmitting information bits are provided. The method for transmitting information bits includes: dividing the information bits to be transmitted into at least two groups; encoding the information bits to be transmitted in each group; modulating the coded bits obtained by the encoding to obtain modulation symbols, in which each modulation symbol is obtained by the modulation of the coded bits in the same group; and mapping and transmitting the modulation symbols. In this way, the receiving end easily reduces the algorithm complexity, thereby ensuring the performance of the receiving end. | 03-29-2012 |
20120134306 | METHOD FOR TRANSMITTING AND RECEIVING UPLINK CONTROL INFORMATION, TERMINAL, BASE STATION - A method for transmitting and receiving Uplink Control Information (UCI), a terminal, and a base station are provided. The transmitting method includes: calculating the number (Q′) of modulation symbols occupied by the UCI to be transmitted; dividing the information bit sequence of the UCI to be transmitted into two parts; using Reed Muller (RM) (32, 0) codes to encode each part of information bit sequence of the UCI to be transmitted to obtain a 32-bit coded bit sequence respectively, and performing rate matching so that the rate of the first 32-bit coded bit sequence is ┌Q′/2┐×Q | 05-31-2012 |
20120213113 | METHOD AND APPARATUS FOR IMPLEMENTING CHANNEL MEASUREMENT - A method and an apparatus for implementing channel measurement are disclosed in the present invention. The method includes: determining an antenna port subset, which is required to be measured, for a UE according to current state information of the user equipment UE; and informing the UE to perform channel measurement for the subset of antenna ports that is required to be measured and feed back channel state information. Through the present invention, when the state information of the UE meets a certain condition, the UE measures only the reference signals of a part of antenna ports, and feeds back channel state information for this part of antenna ports. Therefore, the overhead generated by the feedback of the UE to the channel state information is reduced. | 08-23-2012 |
20120243511 | METHOD AND APPARATUS FOR TRANSMITTING UPLINK CONTROL INFORMATION - In the field of wireless communication, a method and an apparatus for transmitting Uplink Control Information (UCI) are provided. The method includes: determining a codeword corresponding to the UCI among multiple codewords according to a preset rule when the UCI is transmitted on a Physical Uplink Shared Channel (PUSCH) with the multiple codewords ( | 09-27-2012 |
20120309402 | METHOD AND DEVICE FOR REALIZING SEMI-PERSISTENT SCHEDULING SERVICE OR SEMI-PERSISTENT SCHEDULING-LIKE SERVICE - The present invention discloses a method and device for realizing a semi-persistent scheduling or semi-persistent scheduling-like service, which includes: notifying a terminal of its SPS or SPS-like period, so that the terminal sends SPS service or SPS-like service data according to the period and by adopting a transmission mode with a closed loop rank 1; dynamically notifying the terminal of a precoding matrix indicator PMI required for its SPS or SPS-like service to support the transmission mode with the closed loop rank 1, so that the terminal uses a latest received PMI when sending the SPS service or SPS-like service data; and receiving, by a base station and based on the transmission mode with the closed loop rank 1, the SPS service or SPS-like service data sent by the terminal. Through the present invention, the SPS or SPS-like service can support a MIMO transmission mode with the closed loop rank 1. | 12-06-2012 |
20120314613 | METHOD FOR REPORTING AND OBTAINING CHANNEL STATE INFORMATION, ENODEB, AND USER EQUIPMENT - A method for reporting and obtaining channel state information, an eNodeB, and a user equipment are disclosed. The method for reporting channel state information includes: determining a reported content in channel state information (CSI) of downlink component carriers according to priorities of contents-in-CSI, where the CSI of the downlink component carriers includes the reported content and a content that is not to be reported; and reporting the reported content to an eNodeB on a physical uplink control channel (PUCCH). By determining a reported content in CSI according to a priority, the shortage of a CSI reporting resource may be relieved. | 12-13-2012 |
20120327785 | METHOD FOR REPORTING AND OBTAINING CHANNEL STATE INFORMATION, ENODEB, AND USER EQUIPMENT - A method for reporting and obtaining channel state information, an eNodeB, and a user equipment are disclosed. The method for reporting channel state information includes: determining a reported content in channel state information (CSI) of downlink component carriers according to priorities of contents-in-CSI, where the CSI of the downlink component carriers includes the reported content and a content that is not to be reported; and reporting the reported content to an eNodeB on a physical uplink control channel (PUCCH). By determining a reported content in CSI according to a priority, the shortage of a CSI reporting resource may be relieved. | 12-27-2012 |
20130028192 | Method, User Equipment and Base Station for Transmitting Uplink Control Information - The disclosure discloses a method for transmitting uplink control information. The method includes: receiving, by a user equipment, a carrier activation command or a carrier deactivation command in a downlink subframe n; updating a first downlink activated carrier set according to the received carrier activation command or the carrier deactivation command into a second downlink activated carrier set; taking the second downlink activated carrier set as a current downlink activated carrier set corresponding to a first uplink subframe which belongs to a subframe set of an uplink subframe n+k and uplink subframe(s) after the uplink subframe n+k; sorting X piece(s) of Uplink Control Information (UCI) corresponding to X downlink carrier(s) according to a sorting rule, and transmitting the sorted X pieces of UCI to a base station in the first uplink subframe. | 01-31-2013 |
20130272244 | Method, User Equipment and Base Station for Transmitting Uplink Control Information - The disclosure discloses a method for transmitting uplink control information. The method includes: receiving, by a user equipment, a carrier activation command or a carrier deactivation command in a downlink subframe n; updating a first downlink activated carrier set according to the received carrier activation command or the carrier deactivation command into a second downlink activated carrier set; taking the second downlink activated carrier set as a current downlink activated carrier set corresponding to a first uplink subframe which belongs to a subframe set of an uplink subframe n+k and uplink subframe(s) after the uplink subframe n+k; sorting X piece(s) of Uplink Control Information (UCI) corresponding to X downlink carrier(s) according to a sorting rule, and transmitting the sorted X pieces of UCI to a base station in the first uplink subframe. | 10-17-2013 |
20140092846 | METHOD FOR TRANSMITTING AND RECEIVING UPLINK CONTROL INFORMATION, TERMINAL, BASE STATION - A method for transmitting and receiving Uplink Control Information (UCI), a terminal, and a base station are provided. The transmitting method includes: calculating the number (Q′) of modulation symbols occupied by the UCI to be transmitted; dividing the information bit sequence of the UCI to be transmitted into two parts; using Reed Muller (RM) (32, 0) codes to encode each part of information bit sequence of the UCI to be transmitted to obtain a 32-bit coded bit sequence respectively, and performing rate matching so that the rate of the first 32-bit coded bit sequence is ┌Q′/2┐×Q | 04-03-2014 |
20140119269 | Method for Detecting and Sending Control Signaling, User Equipment, and Base Station - Embodiments of the present invention provide a method for detecting and sending control signaling, a user equipment, and a base station. The detecting method includes: obtaining, by a UE, a transmission mode of a data channel configured by a base station; determining, by the UE, a first DCI format and a second DCI format that are corresponding to the transmission mode, where PDCCH information corresponding to the first DCI format is transmitted in a precoding-based mode, and PDCCH information corresponding to the second DCI format is transmitted in a single-antenna port mode or transmit diversity mode based on non-precoding; and detecting, by the UE and in a subframe, PDCCH information corresponding to the first DCI format and the second DCI format according to a mode in which the PDCCH information is transmitted. | 05-01-2014 |
20140146775 | METHOD AND DEVICE FOR DETECTING AND TRANSMITTING INFORMATION - Embodiments of the present invention disclose a method and a device for detecting and transmitting information. The method includes: obtaining, by a UE, at least one type of configuration information of an antenna port occupied by a D-PDCCH, which is configured on a base station side; determining, by the UE, a search space of the D-PDCCH; and detecting, by the UE, the D-PDCCH in the search space according to the antenna port configuration information. With the embodiments of the present invention, the UE can detect the D-PDCCH, and therefore data transmission is ensured. Furthermore, a blind detection of a PDCCH by the UE based on time-frequency resources in an existing system is extended to a spatial dimension, that is, an antenna port, thereby increasing the efficiency of resource utilization, so that the D-PDCCH can be detected in the spatial dimension. | 05-29-2014 |
20140169204 | METHOD FOR TRANSMITTING CHANNEL STATE INFORMATION, USER EQUIPMENT, AND BASE STATION - The present invention discloses a method for transmitting channel state information, a user equipment, and a base station. The method includes: determining to-be-reported channel state information CSI, where the to-be-reported CSI includes at least one CSI report, and each CSI report of the at least one CSI report corresponds to one downlink carrier; and sending the to-be-reported CSI to a base station through a physical uplink channel. The user equipment includes a determining module and a sending module. The base station includes a receiving module, a first determining module, and a second determining module. According to the method, the user equipment, and the base station in the embodiments of the present invention, channel state information from different downlink carriers can be transmitted on a same subframe, and a performance requirement of the reported channel state information can be ensured, and power utilization efficiency can be improved. | 06-19-2014 |
20140233419 | METHOD FOR TRANSMITTING CONTROL INFORMATION, USER EQUIPMENT AND BASE STATION - Embodiments of the present invention disclose a method for transmitting control information, a user equipment and a base station. The method includes: obtaining a resource occupied by first UCI, and obtaining a resource occupied by second UCI; performing channel encoding on the first UCI according to the resource occupied by the first UCI to obtain an encoded bit sequence of the first UCI, and performing channel encoding on the second UCI according to the resource occupied by the second UCI to obtain an encoded bit sequence of the second UCI; mapping the encoded bit sequence of the first UCI and the encoded bit sequence of the second UCI to a physical uplink channel, so as to transmit to a base station. | 08-21-2014 |
20140301324 | METHOD FOR TRANSMITTING CONTROL INFORMATION, USER EQUIPMENT AND BASE STATION - Embodiments of the present application provide a method for transmitting control information, a user equipment and a base station. The method includes: acquiring a resource index of a physical uplink control channel PUCCH; acquiring a sequence index of an orthogonal sequence of the PUCCH according to the resource index, and acquiring the orthogonal sequence according to the sequence index; acquiring a cyclic shift of a reference signal of the PUCCH according to the sequence index; and transmitting the UCI to the base station on the PUCCH according to the orthogonal sequence and the cyclic shift. In the embodiments of the present application, a cyclic shift of a reference signal of a PUCCH channel for transmitting UCI is acquired according to a sequence index, and the UCI is transmitted on the PUCCH according to the cyclic shift and a corresponding orthogonal sequence, which can enhance transmission performance of the UCI. | 10-09-2014 |
20140314014 | UPLINK TRANSMISSION POWER CONTROL METHOD AND USER EQUIPMENT - An uplink transmission power control method and a user equipment are provided, where the method includes: determining, by a UE, whether uplink channels are simultaneously transmitted over adjacent subframes between multiple carriers; where the adjacent subframes between the multiple carriers are partially overlapped; and timing advance values of the multiple carriers are different; and if uplink channels are simultaneously transmitted over adjacent subframes between multiple carriers, processing, by the user equipment, an uplink channel transmitted over the last symbol on a partially overlapped subframe of another carrier except a carrier having the greatest timing advance value, so that total transmission power of the uplink channels is lower than the maximum transmission power or an interference level of the user equipment. | 10-23-2014 |
20140334563 | Method, Apparatus and System for Transmitting Information Bits - A method, an apparatus, and a system for transmitting information bits, where the method for transmitting information bits includes: dividing the information bits to be transmitted into at least two groups; encoding the information bits to be transmitted in each group; modulating the coded bits obtained by the encoding to obtain modulation symbols, in which each modulation symbol is obtained by using the modulation of the coded bits in the same group; and mapping and transmitting the modulation symbols. In this way, the receiving end easily reduces the algorithm complexity, thereby ensuring the performance of the receiving end. | 11-13-2014 |
20140362792 | METHOD FOR TRANSMITTING UPLINK CONTROL INFORMATION, USER EQUIPMENT AND BASE STATION - The present application discloses a method for transmitting uplink control information, a user equipment, and a base station. The method includes: receiving a physical downlink control channel sent by a base station, where the physical downlink control channel includes indication information, where the indication information is used to indicate a physical uplink control channel resource used to transmit uplink control information; obtaining, according to the indication information and whether the uplink control information includes periodic channel state information, a physical uplink control channel resource used to transmit the uplink control information from a semi-statically configured first resource group and/or second resource group; and sending the uplink control information to the base station over a physical uplink control channel corresponding to the physical uplink control channel resource. | 12-11-2014 |
20150063269 | Method, User Equipment and Base Station for Transmitting Uplink Control Information - The disclosure discloses a method for transmitting uplink control information. The method includes: receiving, by a user equipment, a carrier activation command or a carrier deactivation command in a downlink subframe n; updating a first downlink activated carrier set according to the received carrier activation command or the carrier deactivation command into a second downlink activated carrier set; taking the second downlink activated carrier set as a current downlink activated carrier set corresponding to a first uplink subframe which belongs to a subframe set of an uplink subframe n+k and uplink subframe(s) after the uplink subframe n+k; sorting X piece(s) of Uplink Control Information (UCI) corresponding to X downlink carrier(s) according to a sorting rule, and transmitting the sorted X pieces of UCI to a base station in the first uplink subframe. | 03-05-2015 |