Patent application number | Description | Published |
20120094691 | Method and Device for Transmitting Positioning Information - A method and a device for transmitting positioning information are provided in the embodiments of the present invention. The method includes: determining a positioning sub-frame for transmitting a positioning reference signal (PRS); and transmitting the PRS according to the positioning sub-frame. Through the embodiments of the present invention, the transmission of a PRS according to a positioning sub-frame ensures the normal transmission of a synchronization channel (SCH) and/or a broadcast channel (BCH), and the transmission of the positioning sub-frame has no effect on the detection performance of the SCH and/or the BCH. | 04-19-2012 |
20140219126 | UPLINK TRANSMISSION POWER DETERMINING METHOD AND USER EQUIPMENT - Embodiments of the present invention provide an uplink transmission power determining method and a user equipment. A user equipment determines a transmission situation of at least one of: a PUCCH, a PUSCH, and an SRS on another cell except a secondary cell in a subframe corresponding to a preamble to be transmitted on the secondary cell, so that the user equipment can determine an uplink transmission power of the user equipment according to the determined transmission situation, thereby solving a problem that it is not provided in the prior art that how a user equipment determines an uplink transmission power of the user equipment when random access is executed through a secondary cell. | 08-07-2014 |
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 |
20150146669 | METHOD, APPARATUS, AND SYSTEM FOR TRANSMITTING CONTROL INFORMATION - Embodiments of the present invention disclose a method, an apparatus, and a system for transmitting control information. The method includes: determining enhanced resource element group numbers in resource blocks, and determining, according to the resource element group numbers, positions of resource elements corresponding to enhanced resource element groups; interleaving the enhanced resource element group numbers, and determining an enhanced control channel element; determining, according to the enhanced control channel element and the positions of the resource elements corresponding to the enhanced resource element groups, positions of resource elements corresponding to the enhanced control channel element; and transmitting corresponding control information on the positions of the resource elements corresponding to the control channel element. The present invention alleviates a problem that channel frequency diversity is poor, and lowers the probability of loss of information of a terminal device. | 05-28-2015 |
20150195821 | METHOD FOR TRANSMITTING DOWNLINK CONTROL INFORMATION, NETWORK SIDE DEVICE, AND USER EQUIPMENT - The present invention provides a method for transmitting downlink control information, a network side device, and a user equipment. The method includes: selecting, by a network side device, a aggregation level of a physical control channel set in a transmission subframe, and selecting the number of physical control channel candidates corresponding to the aggregation level according to the aggregation level; and sending, by the network side, downlink control information on a physical control channel candidate corresponding to the selected number. The times that blind detection is performed corresponding to the aggregation level corresponds to the number of physical control channel candidates, and therefore, when the number of physical control channel candidates is determined, the times that blind detection is performed is determined, so that the network side device and the user equipment can communicate with each other without increasing the times that blind detection is performed. | 07-09-2015 |
20160081122 | SIGNAL TRANSMISSION METHOD, APPARATUS, COMMUNICATIONS SYSTEM, TERMINAL, AND BASE STATION - The present invention provides a signal transmission method and apparatus, a communications system, a terminal, and a base station, where the method includes: determining a repetition factor or an extended sequence of a channel; determining a time domain resource according to the repetition factor or a length of the extended sequence, where the time domain resource is a transmission subframe; and sending a signal by using the transmission subframe of the channel. The signal transmission method, apparatus, communications system, terminal, and base station that are provided by the present invention can solve the technical problem of poor channel coverage in a signal transmission method in the prior art. | 03-17-2016 |
Patent application number | Description | Published |
20100172433 | ENCODING METHOD AND APPARATUS - An encoding method and apparatus are provided. In the encoding method: encoding input information bits with an encoding matrix G and a linear combination formula. The encoding matrix G is an encoding matrix obtained by performing row permutation on an encoding matrix H having a plurality of successive zeroes in one or more columns of the encoding matrix H. Encoding control information with the encoding matrix provided by aspects of the present disclosure, each bit of the control information is distributed on all encoded output bits as uniformly as possible. Thereby, the bits of the control information obtain sufficient frequency diversity and time diversity after channel mapping, so as to improve transmission performance of the control information effectively. | 07-08-2010 |
20140140422 | METHOD AND DEVICE FOR SENDING PILOT SIGNAL - Embodiments of the invention disclose a method and device for sending a pilot signal. The method includes: generating a sub-frame carrying user-specific pilot signals, wherein the sub-frame includes one or more resource blocks, the resource block includes a plurality of resource elements in a symbol-subcarrier plane, locations of the resource elements in the symbol-subcarrier plane are determined by an OFDM symbol and subcarrier, a first part of the user-specific pilots signal are carried by the resource elements of the initial one or more OFDM symbols in the resource block, and a second part of the user-specific pilot signals are carried by resource elements of other OFDM symbols in the resource block; and sending the sub-frame carrying the user-specific pilot signals. The methods and devices are capable of improving the precision of channel estimation. | 05-22-2014 |
20140321392 | METHOD FOR DETERMINING UPLINK TRANSMISSION POWER AND USER EQUIPMENT - The present invention provides a method for determining an uplink transmission power and a user equipment. In the present invention, a user equipment determines an overlap between an uplink channel of a cell in a current subframe and an uplink channel of another cell in an adjacent subframe, the cell being carrier aggregation with the another cell, so that the user equipment can determine transmission power of a PUSCH of the cell in the current subframe and the another cell in the current subframe, the another cell being carrier aggregation with the cell. As a result, the problem that the uplink power control performed by the user equipment according to the prior art is not accurate is solved and thus the uplink data transmitting quality is improved. | 10-30-2014 |
20150103798 | METHOD FOR DETERMINING A TRANSMISSION FORM, TERMINAL AND BASE STATION - A method for determining a transmission form, a terminal and a base station are provided. Embodiments of present invention acquire a CQI index by the terminal, and transmit the CQI index to the base station, wherein, there is a one-to-one correspondence between the CQI index and a transmission form, and the transmission form comprises: an aggregation level of a control channel; or, the aggregation level of the control channel and a modulation mode of the control channel, and the processing of the base station on the reported CSI is different from that in the prior art, which reduces the invalid processing of the base station, can avoid the problem that much invalid processing of the base station on the CSI processing of PDSCH in the prior art, or, the base station cannot use the reported CSI information about the PDSCH, and can improve the transmission performance of the system effectively. | 04-16-2015 |
20150195814 | BROADCAST MESSAGE TRANSMISSION METHOD, BASE STATION AND USER EQUIPMENT - The present invention provides a broadcast message transmission method, a base station and user equipment. The method includes: determining a resource position of a broadcast channel, wherein the broadcast channel occupies M physical resource blocks (PRBs) among m PRBs of a frequency band center of a carrier, m and M are positive integers, M is not greater than m, and m is not greater than the number of the PRBs corresponding to the system bandwidth; mapping the broadcast channel on the resource position; and sending a broadcast message through the broadcast channel. In the embodiments of the present invention, since the broadcast channel occupies M PRBs among m PRBs of a frequency band center of a carrier, by mapping the broadcast channel on the resource position and sending a broadcast message through the broadcast channel, the resource utilization rate of the carrier may be improved. | 07-09-2015 |
20150208200 | METHOD, DEVICE AND COMMUNICATION SYSTEM FOR PROCESSING COMMON SEARCH AREA - The invention provides a method, a device and a communication system for processing a common search area. The method includes: acquiring resource indication information about a first common search area of a control channel, or resource indication information about a first common search area and resource indication information about at least one second common search area; and determining, according to the resource indication information about the first common search area, or the resource indication information about the first common search area and the resource indication information about at least one second common search area, a location of the first common search area, or locations of the first common search area and at least one second common search area. | 07-23-2015 |
20150257140 | METHOD, NETWORK SIDE DEVICE AND USER EQUIPMENT OF VARIABLE BANDWIDTH - The present invention provides a method, network side device and user equipment of variable bandwidth. The method includes: configuring a first type carrier and a second type carrier, wherein a chip rate of the first type carrier is 3.8 Mcps, a chip rate of the second type carrier is P*3.84 Mcps, and P is smaller than 1 and larger than 0; using the first type carrier and/or the second type carrier for communication. In this way, since the chip rate of the second type carrier is low and occupied bandwidth is small, the second type carrier may be suitable for non-standard bandwidth, thus utilization efficiency of bandwidth may be improved and waste of the bandwidth may be reduced. | 09-10-2015 |
20150326365 | METHOD FOR TRANSMITTING PILOT SIGNAL, METHOD FOR RECEIVING PILOT SIGNAL, BASE STATION, AND USER EQUIPMENT - Embodiments of the present invention provide a method for transmitting a pilot signal, a method for receiving a pilot signal, a base station, and a user equipment. The method for transmitting the pilot signal includes: determining a physical resource block pair which is used for carrying a user-dedicated pilot signal, where first five orthogonal frequency division multiplexing (OFDM) symbols in a first time slot of the physical resource block pair include all resource elements used for carrying the user-dedicated pilot signal; and transmitting the physical resource block pair which is used for carrying the user-dedicated pilot signal. The method for transmitting the pilot signal, the method for receiving the pilot signal, the base station, and the user equipment according to embodiments of the present invention can improve communication data demodulation performance of a user equipment. | 11-12-2015 |