Abstract: A communication method, a base station, user equipment, and a system are provided. The method includes: receiving uplink data that is sent by the user equipment in a specified multiple-access manner on a time-frequency resource corresponding to the specified multiple-access manner; and sending downlink data to the user equipment in a corresponding multiple-access manner on a time-frequency resource corresponding to the corresponding multiple-access manner, where the corresponding multiple-access manner is a multiple-access manner that is obtained by searching a at least two multiple-access manners according to a prestored correspondence and that is associated with the specified multiple-access manner. In this way, a problem that because one multiple-access manner is used in a same communications system, requirements of different user equipments cannot be met at the same time is resolved.

Abstract: 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 ?Q?/2?×Qm bits and that the rate of the second 32-bit boded bit sequence is (Q???Q?/2?)×Qm bits; and mapping the two parts of coded bit sequences that have undergone rate matching onto a Public Uplink Shared Channel (PUSCH), and transmitting the coded bit sequences to a base station.

Abstract: Embodiments of the present invention provide a wireless communications method, user equipment, a base station and a system, and relate to the field of wireless communications. The method includes: acquiring a frequency domain spreading factor, a symbol-level spreading factor and a transmission time interval-level spreading factor; and performing frequency domain spreading, symbol-level spreading and transmission time interval-level spreading on first to-be-sent information respectively according to the acquired spreading factors and sending first spread information; or, despreading, according to the acquired spreading factors, second spread information sent by a base station.

Abstract: A system and method for wireless communications using resources allocated for different types of traffic that co-exist in the same transmission interval. In one embodiment, first data of a first type of traffic is scheduled in resources that are pre-reserved for a second type of traffic. Control signaling may be used to indicate whether the first type of traffic is scheduled in the resources pre-reserved for the second type of traffic.

Abstract: 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 (101); and transmitting the UCI by mapping the UCI onto the corresponding codeword (102). The apparatus includes a determining unit and a transmitting unit. The method and the apparatus provide a solution to transmitting UCI on a PUSCH with multiple codewords. This solution can be implemented easily based on LTE R8, without involving too much additional work of standardization.

Abstract: An embodiment method includes method includes receiving, by a user equipment, a plurality of pieces of first downlink control information sent by a base station, wherein pieces of the plurality of pieces of first downlink control information carry downlink assignment indexes, and wherein at least one piece of the plurality of pieces of first downlink control information further carries a total downlink assignment indexes. The method also includes generating, by the user equipment, a hybrid automatic repeat request response message according to the total downlink assignment indexes, according to the downlink assignment indexes of the pieces of the plurality of pieces of first downlink control information, and according to a physical downlink shared channel corresponding to the pieces of the plurality of pieces of first downlink control information. Additionally, the method includes ending, by the user equipment, the hybrid automatic repeat request response message to the base station.

Abstract: Embodiments of the present disclosure provide a wireless communications method, user equipment, a base station and a system, and relate to the field of wireless communications. The method includes: acquiring a frequency domain spreading factor, a symbol-level spreading factor and a transmission time interval-level spreading factor; and performing frequency domain spreading, symbol-level spreading and transmission time interval-level spreading on first to-be-sent information respectively according to the acquired spreading factors and sending first spread information; or, despreading, according to the acquired spreading factors, second spread information sent by a base station.

Abstract: Embodiments of the present invention provide a preamble sequence transmission method, apparatus, and system. The method includes: acquiring system information or a physical broadcast channel (PBCH) that is broadcast by a base station, wherein the system information or the PBCH comprises a preset physical random access channel (PRACH) that comprises m preset radio frames and a number of repetition times of a preamble sequence n, which is used for random access, m being a positive integer and wherein 1?n?10 m; and sending the preamble sequence to the base station, the preamble sequence being sent at n preset resource locations of the preset PRACH, where the preamble sequence is the format of 1 ms, or the format of 2 ms, or the format of 3 ms.

Abstract: The present invention relates to the field of communications technologies, and in particular, to a CSI reporting method, a CSI receiving method, and an apparatus, to resolve a technical problem that PUCCH resource overheads are relatively large during CSI reporting. In embodiments of the present invention, at least two PUCCH resources are configured for each downlink carrier group. CSI that needs to be reported in one uplink subframe may be obtained, and a format of a corresponding PUCCH resource is determined according to the to-be-reported CSI. For example, the determined format is referred to as a first format. Then, all of the to-be-reported CSI is reported after being added to a first first-format PUCCH resource.

Abstract: A communication method, a base station, user equipment, and a system are provided. The method includes: receiving uplink data that is sent by the user equipment in a specified multiple-access manner on a time-frequency resource corresponding to the specified multiple-access manner; and sending downlink data to the user equipment in a corresponding multiple-access manner on a time-frequency resource corresponding to the corresponding multiple-access manner, where the corresponding multiple-access manner is a multiple-access manner that is obtained by searching a at least two multiple-access manners according to a prestored correspondence and that is associated with the specified multiple-access manner. In this way, a problem that because one multiple-access manner is used in a same communications system, requirements of different user equipments cannot be met at the same time is resolved.

Abstract: The present invention relates to the field of wireless communications technologies, and in particular, to user equipment, a network device, and an acknowledgement information transmission method. The user equipment sends at least one first ACK/NACK and at least one second ACK/NACK of at least two acknowledgement information ACKs/NACKs to be sent in one uplink subframe, according to a sequence of the first ACK/NACK being first, and the second ACK/NACK being second, or the second ACK/NACK being first, and the first ACK/NACK being second. The network device may determine, according to a same sorting sequence used by the user equipment for sending, that in the received at least two ACKs/NACKs, which is used to feed back a signal transmitted in an unconventional communication manner, and which is used to feed back a signal transmitted in a conventional communication manner.

Abstract: Embodiments of the present invention provide a data sending and receiving method and device. The method includes: receiving a threshold; if a data volume of a packet to be sent is less than the threshold, sending the packet in a first data transmission manner; and if a data volume of the packet is greater than or equal to the threshold, sending the packet in a second data transmission manner. By adopting the technical solution of the present invention, a resource waste caused by transmitting small data in a data transmission manner used for transmitting a large packet in the prior art can be reduced, transmission efficiency of small data can be improved, and a transmission delay can be reduced.

Abstract: Embodiments of the present invention disclose a broadcast information sending method, a broadcast information receiving method, a device, and a system, relate to the communications field, and are used to reduce system overheads, and improve coverage performance. The method provided by the embodiments of the present invention includes: sending, by a network device on a physical broadcast channel PBCH, PBCH information to user equipment UE, and sending, by the network device, the PBCH information in a specific radio frame in each period T of the PBCH, where the PBCH information only includes information about a system frame number SFN, and the period T is greater than one radio frame.

Abstract: A method includes acquiring system information or a physical broadcast channel PBCH that is broadcast by a base station, where the system information or the PBCH includes a preset physical random access channel PRACH, the preset PRACH includes m preset radio frames, and m is a positive integer; determining that a quantity of repetition times of a preamble sequence, which is used for random access, at a preset resource location of the preset PRACH is n, where 1?n?10m; and sending, at n preset resource locations of the preset PRACH, the preamble sequence to the base station.

Abstract: Embodiments of the present invention provide a power allocation method and a communications device. The power allocation method includes: determining, by a first communications device, a first power control parameter group, where the first power control parameter group includes information used to indicate a transmit power of the first communications device in a first-type subframe, and sending, by the first communications device, a signal only on a downlink frequency resource in the first-type subframe; and determining, by the first communications device, a second power control parameter group, where the second power control parameter group includes information used to indicate a transmit power of the first communications device in a second-type subframe, and sending, by the first communications device, signals on both a downlink frequency resource and an uplink frequency resource in the second-type subframe.

Abstract: The present invention relates to the field of communications technologies, and discloses a data transmission method, user equipment, a base station, and a system. The method includes: selecting, by user equipment (UE), a preamble sequence, and acquiring an uplink time-frequency resource and a downlink time-frequency resource that are corresponding to the preamble sequence; sending the preamble sequence to a base station, so that the base station decodes the preamble sequence, and determines, according to the decoded preamble sequence, the uplink time-frequency resource and the downlink time-frequency resource that are corresponding to the decoded preamble sequence.

Abstract: Embodiments of the present invention provide a data sending and receiving method and device. The method includes: receiving a threshold; if a data volume of a packet to be sent is less than the threshold, sending the packet in a first data transmission manner; and if a data volume of the packet is greater than or equal to the threshold, sending the packet in a second data transmission manner. By adopting the technical solution of the present invention, a resource waste caused by transmitting small data in a data transmission manner used for transmitting a large packet in the prior art can be reduced, transmission efficiency of small data can be improved, and a transmission delay can be reduced.

Abstract: A channel quality reporting apparatus includes: a processing module and a sending module. The processing module performs channel state measurement on a first frequency resource of a first carrier to obtain first CSI, and performs channel state measurement on a second frequency resource of the first carrier to obtain second CSI, where the first frequency resource and the second frequency resource do not overlap, resource blocks in the first frequency resource are consecutive, resource blocks in the second frequency resource are consecutive, and the second frequency resource includes an edge resource block of the first carrier. The sending module reports the first CSI to a second communications device, and report the second CSI to the second communications device.

Abstract: Embodiments of the present disclosure provide a wireless communications method, user equipment, a base station and a system, and relate to the field of wireless communications. The method includes: acquiring a frequency domain spreading factor, a symbol-level spreading factor and a transmission time interval-level spreading factor; and performing frequency domain spreading, symbol-level spreading and transmission time interval-level spreading on first to-be-sent information respectively according to the acquired spreading factors and sending first spread information; or, despreading, according to the acquired spreading factors, second spread information sent by a base station.

Abstract: 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?×Qm bits and that the rate of the second 32-bit coded bit sequence is (Q???Q?/2?)×Qm bits; and mapping the two parts of coded bit sequences that have undergone rate matching onto a Public Uplink Shared Channel (PUSCH), and transmitting the coded bit sequences to a base station.