Abstract: The disclosure discloses a method for transmitting system information for transmitting system information, a system and a device. The method includes that: a position of a resource for repeatedly sending the system information for repeatedly sending system information in a transmission period for the system information is determined; and the system information is sent on the resource for repeatedly sending the system information for repeatedly sending system information.

Abstract: A downlink control channel time-domain position determination method and device are disclosed. The method includes: a terminal determining a way for acquiring a time-domain position of a downlink control channel and/or a time-domain starting position of a downlink data channel corresponding to the downlink control channel according to a number of repetitions of resources corresponding to the downlink control channel and/or a downlink channel type; the terminal obtaining the time-domain position of the downlink control channel and/or the time-domain starting position of the downlink data channel in accordance with the way.

Abstract: There is provided a method for sending uplink control information, comprising when a Frequency Division Duplex (FDD) serving cell and a Time Division Duplex (TDD) serving cell are aggregated, a user equipment (UE) sending the uplink control information in uplink subframes of the FDD serving cell and/or uplink subframes of the TDD serving cell according to a predefined rule.

Abstract: A random access method and system are disclosed. The method includes: a second node sending a random access signaling to a first node; and the first node replying a random access response message to the second node, wherein random access response information of the second node is carried in the random access response message.

Abstract: A method and an apparatus for transmitting a control channel, a method and an apparatus for processing the transmission of the control channel, a network side device and a terminal are provided. The method for transmitting the control channel is applied to the network side device. The method for transmitting the control channel includes: acquiring indicating information for indicating a terminal type; and when the indicating information indicates that the terminal type is a first terminal type, transmitting the control channel to the terminal with the first terminal type in multiple sub-frames.

Abstract: A method and a system for transmitting System Frame Number (SFN) information. The method includes that a base station sets X resource locations for carrying SFN indication information in one SFN information cycle period; and the base station transmits the SFN indication information at at least one resource location in each SFN information cycle period. Moreover, a base station and a terminal are provided in order to improve the coverage performance of a smart metering Machine Type Communication (MTC) terminal device deployed in a low-coverage environment and ensure the normal communication requirement of the MTC terminal device without additional deployment of a site and a relay station.

Abstract: A method and device for sending and receiving a random access sequence, wherein the method for sending a random access sequence includes: determining one or more preset random access resources forming a Physical Random Access Channel (PRACH); and sending a first random access sequence on the one or more preset random access resources. By the disclosure, the problem that an access requirement cannot be met by a random access sequence processing method in a related art is solved, and the effect of improving random access efficiency and accuracy is further achieved.

Abstract: Provided are a method and device for sending control information and receiving control information. The method for sending control information comprises repeatedly sending control information within a scheduling period of the control information M times, wherein the scheduling period is the length of N radio frames, N and M are positive integers greater than 1, and N is greater than or equal to M. The disclosure solves the technical problem in the related art that control information cannot be correctly received in a low-coverage environment and thus a terminal cannot normally access a network, achieving the technical effect of accurately receiving the control information so as to ensure that the network can be accessed normally.

Abstract: A method and system for configuring physical resource and signal transmission when communication systems coexist are provided. The method includes: configuring physical resources of the Wimax 16e frame according to LTE frame configuration information by following modes: configuring the number of downlink symbols in the Wimax 16e frame and shift time of the Wimax 16e frame relative to the half frame of the LTE frame according to the condition that the downlink region of the Wimax 16e frame is included in the downlink region of the LTE frame in time domain; and configuring the number of uplink symbols and time length of Transmission/Receive Transition Gap (TTG) in the Wimax 16e frame according to the condition that the uplink region of the Wimax 16e frame is included in the uplink region of the LTE frame in time domain; wherein, the uplink and downlink handover period of LTE frame is 5 ms.

Abstract: The information processing method includes: an evolved NodeB sending information of PRACH resources configured for a UE to the UE via a PDSCH indicated by a downlink control channel, and after receiving a random access preamble sequence sent from the UE, the evolved NodeB sending downlink control information and a Random Access Response (RAR), wherein the downlink control channel is an enhanced Physical Downlink Control Channel (ePDCCH); or, information carried by PBCH indicates that the downlink control channel is the ePDCCH or a physical downlink control channel; or, when the LTE system bandwidth is less than or equal to the reception bandwidth of the UE, the downlink control channel is a physical downlink control channel, and when the LTE system bandwidth is larger than the reception bandwidth of the UE, the downlink control channel is the ePDCCH.

Abstract: A method for transmitting an enhanced random access sequence and a machine type communication terminal, wherein node 1 generates an enhanced random access sequence according to a random access sequence and enhanced configuration information, and the node 1 sends the enhanced random access sequence on an enhanced random access channel. The embodiment of the present document performs an enhanced design on a random access channel in the LTE/LTE-A system to improve the access quality of a machine type communication terminal and ensure that a machine type communication terminal can normally access the system.

Abstract: Provided are an information transmission method and device. The method includes that: a base station determines that a receiving bandwidth of first User Equipment (UE) is smaller than a system bandwidth or a component carrier accessed by the first UE is of a New Carrier Type (NCT); and the base station transmits downlink data to the first UE within the receiving bandwidth of the first UE according to a preset Radio Frame (RF), preset subframes and/or preset time-domain and frequency-domain resources. By the disclosure, the problem of how to correctly receive downlink information under a downlink narrowband condition in a related art is solved, UE of different types can coexist in a system, and an application range of the system is widened.

Abstract: There are provided a method for indicating a CSG ID, a method for indicating a base station type and a method for obtaining CSG ID indication. The method for indicating the CSG ID includes: a base station notifying a terminal of whether the base station has a CSG ID. The present solution solves the problem of access delay in the related art resulted from that the terminal cannot obtain the specific base station type and whether the base station has a CSG ID, ensures the easy operation of the accessed base station information needing to be maintained by the terminal, and thus improves the quality of service of the whole system for the terminal.

Abstract: A flexible OFDM/OFDMA frame structure technology for communication systems is disclosed. The OFDM frame structure technology comprises a configurable-length frame which contains a variable length subframe structure to effectively utilize OFDM bandwidth. Furthermore, the frame structure facilitates spectrum sharing between multiple communication systems.

Abstract: The present invention discloses a rate matching method and device. The method includes that: an information bit sequence is coded and interleaved to obtain a mother code codeword with a length NFB—Buffer; and bits are selected from the mother code codeword to generate a hybrid automatic repeat request (HARQ) subpacket for current transmission. By means of the present invention, the effect of covering the whole mother code area can be achieved as much as possible, and the performance of the HARQ multiple retransmission link can be enhanced.

Abstract: The disclosure discloses a method for managing network topology structure of a Machine to Machine (M2M) network. The method mainly includes: a control station of the M2M network obtains wireless link information of the M2M network; the control station completes establishment and/or adjustment of the network topology structure of the M2M network according to the obtained wireless link information. The disclosure also provides a device for managing network topology structure of an M2M network. By the disclosure, performing self-adaptive management on numerous terminals can be realized by the M2M network; by applying the disclosure to the wireless network management of the M2M network, manpower cost is saved and working efficiency is improved, and also it is of important significance to the smooth development of the telecom operation.

Abstract: A resource mapping method is provided, in which a wireless communication system maps subcarriers to resource units through external permutation and internal permutation, the external permutation comprises: performing the first permutation on n physical resource units in every N1 physical resource units, orderly selecting n1×N1 physical resource units from the n physical resource units obtained from the first permutation, and then performing the second permutation on the remaining n?n1×N1 physical resource units in every N2 physical resource units, wherein n, N1, and N2 are all integers greater than or equal to 1, and N1 is not equal to N2, and n1 is an integer greater than or equal to 0. Frequency selectivity gain and frequency diversity gain may be achieved through the present invention by enabling a base station to select a proper resource scheduling granularity and resource unit types, thereby improving the spectrum efficiency of the future wireless communication system.

Abstract: The present invention provides a constellation mapping method, and the method includes: flipping a plurality of bits in each modulation symbol unit to be mapped in part of or all of modulation symbol units to be mapped of a bit sequence to be mapped; and mapping each flipped modulation symbol unit to be mapped as a modulation symbol in a constellation. By means of the present invention, the phenomenon that consecutive bits have the same reliability can be effectively avoided by changing unevenness of reliability distribution of the consecutive bits, and at the same time, the link performance can be improved.

Abstract: The present invention provides a method for downlink sub-frame allocation in an evolved WiMAX system, which comprises: setting a IEEE 802.16m frame start offset as a parameter of a deployment area range, and setting a starting location of a IEEE 802.16m frame by each IEEE 802.16m base station within a same deployment area range in the system according to the IEEE 802.16m frame start offset; always allocating a start sub-frame of the IEEE 802.16m frame by the IEEE 802.16m base station as a IEEE 802.16m downlink sub-frame, and sending a super frame header including a synchronization symbol at the starting location of a first frame of a super-frame; or sending a synchronization symbol at the starting location of a first frame of a super-frame and sending a super frame header in a start sub-frame of the first frame of the super-frame; and TDM is performed on the synchronization symbol and the super frame header in the first frame of the super-frame.

Abstract: A method for mapping resource units is disclosed. The method includes: dividing the physical resource unit set to obtain a first physical resource unit set which is in a unit of N1 continuous physical resource units, and a second physical resource unit set into which the remaining physical resource units are put; permuting, in a unit of N2 continuous physical resource units, the physical resource units in the second physical resource unit set; allocating, in a unit of N1 continuous physical resource units, the physical resource units in the first physical resource unit set to each frequency partition, and allocating, in a unit of one physical resource unit, the permuted physical resource units in the second physical resource unit set to each frequency partition. By using the invention, the combination of external mapping under the two-level sub-carrier mapping manner in the partial frequency multiplexing with the localized mapping and the distributed mapping can be realized.