WO2013104334A1 - Procédé et dispositif pour la transmission de données - Google Patents

Procédé et dispositif pour la transmission de données Download PDF

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Publication number
WO2013104334A1
WO2013104334A1 PCT/CN2013/070378 CN2013070378W WO2013104334A1 WO 2013104334 A1 WO2013104334 A1 WO 2013104334A1 CN 2013070378 W CN2013070378 W CN 2013070378W WO 2013104334 A1 WO2013104334 A1 WO 2013104334A1
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WO
WIPO (PCT)
Prior art keywords
frequency
frequency point
terminal device
network side
side device
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PCT/CN2013/070378
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English (en)
Chinese (zh)
Inventor
徐伟杰
邢艳萍
贾民丽
Original Assignee
电信科学技术研究院
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Application filed by 电信科学技术研究院 filed Critical 电信科学技术研究院
Publication of WO2013104334A1 publication Critical patent/WO2013104334A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated

Definitions

  • the present invention relates to the field of wireless communications, and in particular, to a data transmission method and device. Background technique
  • M2M (Machine-to-machine) communication is a new communication concept. Its purpose is to combine many different types of communication technologies, such as: machine-to-machine communication, machine control communication, human-computer interaction communication, Mobile internet communication to promote social production and lifestyle development.
  • MTC terminals have low mobility
  • the time for data transmission between the MTC terminal and the network side is controllable; that is, the MTC terminal can only access during the time period specified by the network.
  • the real-time performance of data transmission is not high, that is: time-tolerant; MTC terminals are energy limited and require very low power consumption;
  • MTC terminals can be managed in groups.
  • An actual MTC terminal can have one or more of the above characteristics.
  • the existing solution In order to support the operation of a small-bandwidth terminal device in an LTE (Long Term Evolution) system, the existing solution considers separately opening an area for data area outside the control area of the existing LTE system within the bandwidth of the small bandwidth system.
  • a downlink control channel dedicated to small bandwidth terminal equipment According to the mapping between the control area and the data area of the small bandwidth system, there are two options:
  • the TDM (Time Division Multiplex) scheme refers to the control area and data area used for small-bandwidth transmission occupying the traditional LTE system control area (including PBCH (Physical) in the working bandwidth of the small-bandwidth system.
  • PSS Primary Synchronizing Signal
  • SSS channel Secondary synchronization signal
  • M M
  • the small bandwidth system can only be from the Mth in its bandwidth.
  • PCFICH Physical Control Format Indicator Channel
  • PHICH Physical hybrid-ARQ indicator channel
  • PDCCH Physical downlink control channel
  • the FDM (Frequency Division Multiplex) scheme refers to a control area and a data area for small-bandwidth transmission occupying a traditional system control area (including a PBCH channel, in a frequency division multiplexing manner) within a small bandwidth system bandwidth. Other resources outside the PSS, SSS channel).
  • the downlink control channel is carried in the control area of the small-bandwidth terminal device, including PCFICH, PHICH, and PDCCH. The resource distribution is as shown in Figure 2 below.
  • the number of control channels that can be supported in a limited bandwidth is relatively limited; Resources for transmitting business data will also be limited. If only a small bandwidth area is configured for the MTC terminal in the broadband LTE system, the demand for the mass MTC terminal to use the network at the same time may not be met; therefore, it is necessary to consider how to simultaneously support more MTC terminals to work simultaneously in the LTE system. Summary of the invention
  • the embodiment of the invention provides a data transmission method and device to solve the problem of insufficient capacity of a single small band wide frequency point.
  • the present invention adopts the following technical solutions:
  • a data transmission method includes:
  • the network side device configures multiple frequency points in the data area or the uplink system bandwidth of the downlink system bandwidth of the Long Term Evolution (LTE) system;
  • the network side device indicates, by signaling, a frequency point at which the terminal device performs data transmission.
  • a data transmission method includes:
  • the terminal device acquires frequency point information of multiple frequency points configured by the network side device in the data area of the downlink bandwidth of the LTE system or the uplink system bandwidth;
  • the terminal device determines a frequency point for performing data transmission according to the indication signaling sent by the network side device.
  • a network side device including:
  • a configuration module configured to configure multiple frequency points in a data area of the downlink system bandwidth of the Long Term Evolution (LTE) system or an uplink system bandwidth;
  • LTE Long Term Evolution
  • the indication module is configured to indicate, by signaling, a frequency point at which the terminal device performs data transmission.
  • a terminal device comprising:
  • a receiving module configured to receive indication signaling sent by the network side device
  • a processing module configured to determine, according to the indication signaling sent by the network side device, a frequency point for performing data transmission.
  • the network side device configures multiple frequency points in the data area of the downlink system bandwidth of the LTE system or the uplink system bandwidth, and indicates the frequency point of the data transmission by the terminal device by using the indication signaling, so that the terminal device The frequency of data transmission is determined according to the received indication signaling, and the problem of insufficient capacity of a single small bandwidth frequency point is solved.
  • 1 is a schematic diagram of resource distribution in the prior art
  • 2 is a schematic diagram of resource distribution in the prior art
  • FIG. 3 is a schematic flowchart of a data transmission method according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a sequential multi-frequency point configuration manner according to an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a multi-frequency point arrangement manner of back-to-back arrangement according to an embodiment of the present invention
  • FIG. 6 is a schematic diagram of a multi-frequency point configuration manner of a composite arrangement according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a multi-frequency point configuration manner in which an odd number of frequency points are mixed and arranged according to an embodiment of the present invention
  • FIG. 8 is a schematic diagram of an uplink multi-frequency point configuration manner according to an embodiment of the present invention
  • FIG. 9 is a schematic structural diagram of a network side device according to an embodiment of the present invention
  • the embodiments of the present invention provide a technical solution for data transmission, by configuring multiple frequency points for transmitting control signaling in the bandwidth of the LTE system, and using control signals for each frequency point.
  • the data transmission resource at the frequency or other frequency points is scheduled to solve the problem of insufficient capacity of a single small bandwidth frequency point in the prior art, and the utilization rate of the internal frequency point resource is improved.
  • multiple frequency points for control signaling transmission may be configured in the data domain of the existing LTE system; for the uplink multi-frequency point data transmission scheme, the existing LTE system may be used.
  • a plurality of frequency points for transmitting control signaling are configured in the entire bandwidth.
  • the data field of the LTE system is a physical downlink shared channel (PDSCH) resource area of the LTE system.
  • PDSCH physical downlink shared channel
  • FIG. 3 it is a schematic flowchart of a data transmission method according to an embodiment of the present invention, where the process may include:
  • Step 301 The network side device configures multiple frequency points in the data area of the downlink system bandwidth of the LTE system or the uplink system bandwidth.
  • the terminal device is an MTC terminal as an example for description.
  • a plurality of frequency points for transmitting control signaling are configured in a data area or an uplink system bandwidth of a downlink system bandwidth of the LTE system, and control signaling of each frequency point is used to schedule the frequency point or other frequency.
  • the frequency point information of each frequency point may be notified by the network side device through the high layer signaling to the MTC terminal or pre-agreed by the network side device and the MTC terminal.
  • the frequency point information may include, but is not limited to, a frequency point number, a frequency band size, a frequency point position, and a number of the initial access frequency point.
  • the MTC terminal initiates a random access request to the network side device at the initial access frequency according to the received or pre-agreed frequency point information.
  • Step 302 The network side device indicates, by signaling, a frequency at which the terminal device performs data transmission.
  • the network side device may indicate, by signaling, the initial access of the terminal device and the frequency of the initial data transmission, and may also indicate the target frequency of the frequency point migration by the terminal device by using signaling.
  • the network side instructs the terminal device to perform frequency point migration.
  • the network side device needs to migrate some users of the frequency point to other frequency points.
  • the network side device determines that the remaining resources of the initial access frequency of the terminal device to initiate the random access request are lower than the threshold, the network side device sends an indication message to the terminal device to indicate that the terminal device migrates to the remaining resources. Frequency point.
  • the network-side device can concentrate the users in the system to work at one or several frequency points.
  • the network side device detecting that the network requirement changes may include, but is not limited to, one or more of the following situations:
  • Case 1 When the network side device receives the random access request initiated by the terminal device at the preset initial access frequency, and determines that the remaining resources on the initial access frequency point are lower than the first threshold, the network side device sends the The terminal device sends a first indication message, indicating that the terminal device migrates to a specified frequency point;
  • Case 2 When the network side device determines that the number of terminal devices of a certain frequency point (such as frequency point A) in the system is lower than the second threshold, and the remaining resources of another frequency point (such as frequency point B) exceed the third threshold The network side device sends a second indication message to the terminal device of the frequency point A, indicating that the terminal device at the frequency point migrates to the frequency point B.
  • a certain frequency point such as frequency point A
  • the remaining resources of another frequency point such as frequency point B
  • Step 303 The terminal device determines, according to the indication signaling sent by the network side, a frequency point for performing data transmission.
  • the terminal device performs initial access and initial data transmission at the initial access frequency according to the indication signaling sent by the network side device.
  • the terminal device receives the indication signaling sent by the network device to indicate that the terminal device performs frequency point migration, the terminal device migrates to the designated frequency point according to the received indication signaling, and performs data transmission at the designated frequency point.
  • the configuration of the downlink multi-frequency point may include, but is not limited to, the following manners (where the MTC terminal is taken as an example):
  • FIG. 4 it is a schematic diagram of a sequential multi-frequency point configuration manner adopted by an embodiment of the present invention.
  • the frequency configuration of two TDM schemes is taken as an example (the actual number of frequency points can be set as needed, and is also applicable to the FDM scheme).
  • the control area of the small bandwidth system is mapped to the data area in the existing LTE system; each frequency point is sequentially arranged.
  • each frequency point may be arranged in a sequential order, and the number of frequency points appearing in sequence may be sequentially recorded as 0, 1, 2, 3.. ⁇ , information of each frequency point (including frequency point number, frequency band)
  • the size and frequency point location are notified by the network side device through the high layer signaling that the MTC terminal or the network side device and the MTC terminal are pre-agreed.
  • the high layer signaling may include, but is not limited to, system broadcast messages or RRC signaling.
  • FIG. 5 is a schematic diagram of a multi-frequency point configuration manner of back-to-back arrangement according to an embodiment of the present invention.
  • the control region of the small bandwidth system maps to all time domain symbols on a portion of the frequency band of the data region in the existing LTE system.
  • the number of frequency points in the back-to-back mode may be 0, 1, 2, 3.. ⁇ , and the frequency information of the adjacent frequency points is notified by the network side device through the high layer signaling to the MTC terminal or the network side device and the MTC terminal.
  • the control area of the small bandwidth system and the size of the data area can be extended unidirectionally with the increase of system users (the extended range is limited to the bandwidth of the MTC system).
  • two adjacent frequency points are arranged in a back-to-back manner: that is, control areas of two frequency points are adjacently placed, and the size of the control area increases with the increase of users.
  • the frequency domain is extended in two directions; the data regions of the two frequency points are respectively extended to the two sides of the frequency domain outside the respective control regions.
  • FIG. 6 is a schematic diagram of a multi-frequency point configuration manner of a composite arrangement according to an embodiment of the present invention.
  • two frequency points are configured as an example.
  • the control region of the small bandwidth system maps to all time domain symbols on a portion of the frequency band of the data region in the existing LTE system.
  • the adjacent pair of frequency points are also arranged in a "back-to-back" manner, but the control regions of the adjacent pair of frequency points are combined to perform resource mapping to increase the control signal.
  • the interleaving range of the channel (such as PDCCH) improves the interleaving gain.
  • the PRB Physical Resource Block
  • resource of the public information such as the PCH (Paging Channel) and the SIB (System Information Block) of the user of the adjacent pair of frequency points can be Share.
  • the frequency domain coincidence region of the adjacent frequency points is PRB_Control_Max+PRB_Public_Max;
  • the frequency number of adjacent frequency points in the mode is 0, 1, 2, 3...; the starting position of the control area of the adjacent frequency point pair, the size of the frequency band occupied by the control area, and/or the public information transmission area.
  • the size of the frequency band is notified by the network side device through the high layer signaling to the MTC terminal or the network side device and the MTC terminal.
  • FIG. 7 is a schematic diagram of a multi-frequency point arrangement manner of an odd number of frequency points mixed arrangement according to an embodiment of the present invention; wherein, in a configuration of three frequency points, two frequency points are “back to back”, and the remaining one
  • the single frequency point control area is exemplified on the high frequency point side.
  • the configuration manner of the uplink multi-frequency point may also include a sequential arrangement manner, a multi-frequency point "back-to-back" arrangement manner, a adjacent frequency point composite arrangement manner, and The odd-numbered frequency points are mixed and arranged, and the specific implementation is similar to the downlink multi-frequency point configuration, and is not described here--detailed.
  • the difference from the downlink multi-frequency point configuration mode is that, in the uplink multi-frequency point configuration mode, the control area of the small bandwidth system can be mapped to the entire bandwidth of the existing LTE system at each small bandwidth frequency point; For a small bandwidth frequency, the control area of the small bandwidth system can On either side of the data area, it can also be on one side of the data area.
  • the multi-frequency point arrangement mode and the control area are on both sides of the data area.
  • the schematic diagram of the multi-frequency point configuration mode can be as shown in FIG. 8.
  • the manner in which the network side device notifies the frequency point to which the MTC needs to be migrated may include, but is not limited to, the following manners:
  • the network side device may pass the RRC.
  • the SETUP message informs the specified frequency point (target frequency point) to which the MTC terminal needs to migrate.
  • the MTC terminal working at other frequency points can be moved back to a certain frequency point or some frequency points by using the RRC connection reconfiguration command to save system resources. Reduce the impact on LTE system transmission.
  • the MTC terminal may initiate a random access procedure at the initial access frequency point (such as the frequency point 0), and the network side device performs scheduling on the QoS channel at the frequency point 0, indicating the location of the data service resource of the MTC terminal.
  • the PDCCH can pass N (N is determined by the number of small bandwidth frequency requirements, N bits can indicate 2 N-th power frequency points, taking two bits as an example, 00 means frequency 0, 01 means frequency 1 Point) bits indicate the target frequency to be migrated to.
  • the network-side device may notify the MTC terminal to move back to the 0th frequency point or concentrate to some frequency points through the PDCCH signaling.
  • Mode 3 PDCCH order (command) mode
  • the MTC terminal may send a PDCCH order carrying the handover frequency information, and instruct the MTC terminal to initiate a non-contention random access procedure at the target frequency, where the random The accessed PRACH (Physical Random Access Channel) resource and the Preamble (preamble) information may be carried in the PDCCH order.
  • the MTC terminal switches to the working frequency point specified by the network side device according to the indication of the PDCCH order, and initiates the non-contention random access process by using the specified Preamble on the designated PRACH resource according to the requirements of the network side device.
  • the network side device If the network side device correctly receives the Preamble information sent by the MTC terminal at the target frequency, the MTC terminal has successfully completed the frequency point transfer, and the network side device sends the downlink acknowledgement information to the MTC terminal; if the network side device does not correctly receive the Preamble information The network side device needs to receive the Preamble information on the next PRACH resource, and simultaneously sends the PDCCH order to the MTC terminal at the initial access frequency (source frequency point) until the random access procedure succeeds.
  • the foregoing multi-frequency point configuration mode and the manner in which the network side device notifies the MTC terminal that the frequency of the MTC terminal needs to be migrated are only a few specific implementation manners of the technical solutions provided by the embodiments of the present invention, and are not intended to protect the scope of the present invention.
  • the manner of frequency points is within the scope of protection of the present invention.
  • the technical solutions provided by the embodiments of the present invention are not only applicable to the FDM and TDM solutions, but also can be applied to other solutions.
  • the control information of each frequency point respectively schedules the data transmission resources at the frequency point or other frequency points
  • the network side device indicates the frequency of the data transmission by the terminal device by signaling, thereby solving the single point in the prior art.
  • the network side device is further provided in the embodiment of the present invention. As shown in FIG. 9, the network side device includes:
  • the configuration module 901 is configured to configure multiple frequency points in a data area or an uplink system bandwidth of a downlink system bandwidth of the Long Term Evolution (LTE) system;
  • LTE Long Term Evolution
  • the indication module 902 is configured to indicate, by signaling, a frequency point at which the terminal device performs data transmission.
  • Each of the plurality of frequency points is configured with control signaling for scheduling data resources at the frequency point or data resources at other frequency points.
  • the indication module 902 is specifically configured to: indicate, by signaling, a frequency point at which the terminal device performs initial access and initial data transmission; or/and, indicates, by signaling, a target frequency point of the terminal device to perform frequency point migration.
  • the indication module 902 is specifically configured to: when the network side device receives a random access request initiated by the terminal device at a preset initial access frequency point, and determines remaining resources on the initial access frequency point. When the threshold is lower than the first threshold, the first indication signaling is sent to the terminal device, indicating that the terminal device migrates to a specified frequency point; or/and,
  • the network side device determines that there is a frequency point in the system where the number of terminal devices is lower than the second threshold, and there are other frequency points where the remaining resources are greater than the third threshold, sending the second indication signaling to the terminal device of the frequency point. Instructing the terminal device to migrate to the other frequency points.
  • the configuration manner of the multiple frequency points includes:
  • the sequential arrangement mode the back-to-back arrangement of adjacent frequency points, the composite transmission mode of adjacent frequency points, and the mixed arrangement of odd frequency points.
  • the configuration manner of the multiple frequency points includes: The sequential arrangement mode, the back-to-back arrangement of adjacent frequency points, the composite transmission mode of adjacent frequency points, and the mixed arrangement of odd frequency points.
  • the method for back-to-back arrangement of the adjacent frequency points includes:
  • a frequency band occupied by a control region of each of the plurality of frequency points extends from a boundary of the two frequency points to both sides of the frequency band, and the data area extends from outside the control region to the outer side of the frequency band;
  • the data area occupied by the frequency point and the bandwidth occupied by the control area do not exceed the bandwidth supported by the frequency point.
  • the method for the composite transmission of the adjacent frequency points specifically includes:
  • control regions of each of the two adjacent frequency points are combined in the same segment of the common control region, and the data regions of the two frequency points are respectively extended to the outside of the common control region band; wherein, the frequency The data area occupied by the point and the control area occupy no more bandwidth than the bandwidth supported by the frequency point.
  • the data resource area of one of the adjacent frequency points transmits the common information shared by the two frequency points.
  • a control region of the frequency points not paired with the other frequency points of the plurality of frequency points is on a high frequency side or a low frequency side of the frequency point.
  • the frequency point information is notified by the network side device to the terminal device by using high layer signaling;
  • the network side device and the terminal device pre-arrange.
  • the high layer signaling includes: a system broadcast message or a radio resource control RRC signaling.
  • the frequency point information includes: a frequency point number, a frequency band size, a frequency point position, and an initial access frequency point number.
  • the frequency point information further includes: when the control area of each of the two adjacent frequency points is combined in the same common control area frequency band, the frequency point information further includes: The starting position of the zone, the size of the band occupied by the control zone, and/or the size of the frequency of the common information transmission zone.
  • the indication module 902 is specifically configured to notify, by using high layer signaling or physical layer control signaling, a specified frequency point to which the terminal device needs to migrate.
  • the indication module is specifically configured to: add a frequency indication bit in the downlink physical layer control signaling to notify the specified frequency point that the terminal device needs to migrate to.
  • the indication module 902 is specifically configured to: send, to the terminal device, a physical downlink control channel command PDCCH order that carries a frequency indication bit, to instruct the terminal device to initiate a non-contention random access request to the designated frequency point;
  • the network side device further includes:
  • the processing module 903 is configured to receive a non-contention random access request initiated by the terminal device at the specified frequency point, and determine, according to the non-contention random access process of the terminal device, whether the terminal device correctly completes the frequency point. Transfer.
  • the embodiment of the present invention further provides a terminal device.
  • the terminal device includes:
  • the obtaining block 1001 is configured to obtain frequency point information of a plurality of frequency points configured by the network side device in a data area of a downlink bandwidth of the LTE system or an uplink system bandwidth;
  • the receiving module 1002 is configured to receive the indication signaling sent by the network side device
  • the processing module 1003 is configured to determine, according to the indication signaling sent by the network side device, a frequency point for performing data transmission.
  • Each of the plurality of frequency points is configured with control signaling for scheduling data resources at the frequency point or data resources at other frequency points.
  • the processing module 1003 is specifically configured to: determine, according to the indication signaling sent by the network side device, a frequency point for performing initial access and initial service data transmission; or/and, according to the indication sent according to the network side device Signaling determines the target for frequency migration Frequency.
  • the processing module 1003 is specifically configured to: when the receiving module receives the first indication signaling sent by the network side device, determine, according to the first indication signaling, a target frequency point for performing frequency point migration; When the network side device receives the random access request initiated by the terminal device at the preset initial access frequency, and determines that the remaining resources on the initial access frequency point are lower than the first threshold, the The network side device sends the first indication signaling to the terminal device; or/and,
  • the receiving module receives the second indication signaling sent by the network side device, determining, according to the second indication signaling, a target frequency point for performing frequency point migration; wherein, when the network side device determines system memory
  • the network side device sends the second indication signaling to the terminal device of the frequency point when the frequency of the terminal device is lower than the second threshold, and the remaining frequency is greater than the third threshold.
  • the configuration manner of the multiple frequency points includes:
  • the sequential arrangement mode the back-to-back arrangement of adjacent frequency points, the composite transmission mode of adjacent frequency points, and the mixed arrangement of odd frequency points.
  • the sequence arrangement includes:
  • the plurality of frequency points are arranged in a sequential arrangement according to frequency point numbers; wherein the sequential arrangement is arranged in a sequential order or a non-continuous order.
  • the method for back-to-back arrangement of the adjacent frequency points includes:
  • a frequency band occupied by a control region of each of the plurality of frequency points extends from a boundary of the two frequency points to both sides of the frequency band, and the data area extends from outside the control region to the outer side of the frequency band;
  • the data area occupied by the frequency point and the bandwidth occupied by the control area do not exceed the bandwidth supported by the frequency point.
  • the method for the composite transmission of the adjacent frequency points specifically includes:
  • Control regions of each of the two adjacent frequency points of the plurality of frequency points are combined in the same segment
  • the data areas of the two frequency points are respectively extended to the outside of the common control area band; wherein the data area occupied by the frequency point and the bandwidth occupied by the control area do not exceed the bandwidth supported by the frequency point.
  • the data resource area of one of the adjacent frequency points transmits the common information shared by the two frequency points.
  • a control region of the frequency points not paired with the other frequency points of the plurality of frequency points is on a high frequency side or a low frequency side of the frequency point.
  • the frequency point information is notified by the network side device to the terminal device by using high layer signaling;
  • the network side device and the terminal device pre-arrange.
  • the high layer signaling includes: a system broadcast message or a radio resource control RRC signaling.
  • the frequency point information includes: a frequency point number, a frequency band size, a frequency point position, and an initial access frequency point number.
  • the frequency point information further includes: starting of the control region of the adjacent frequency point pair The location, the size of the band occupied by the control area, and/or the frequency of the common information transmission area.
  • the receiving module 1002 is specifically configured to: receive the indication signaling that is sent by the network side device by using the high layer signaling or the physical layer control signaling to indicate that the terminal device needs to migrate to the specified frequency point.
  • the indication signaling is a downlink physical layer control signal with a frequency indication bit added.
  • the indication signaling is a physical downlink control channel command PDCCH order carrying a frequency indication bit;
  • the processing module 1003 is further configured to: after the receiving module 1002 receives the indication signaling, initiate non-contention random access according to the PDCCH order at the specified frequency point; wherein, the network side device Determining, according to the non-contention random access procedure of the terminal device, whether the terminal device correctly completes the transfer of frequency points.
  • modules in the apparatus in the embodiments may be distributed in the apparatus of the embodiment according to the description of the embodiments, or may be correspondingly changed in one or more apparatuses different from the embodiment.
  • the modules of the above embodiments may be combined into one module, or may be further split into a plurality of sub-modules.
  • the present invention can be implemented by means of software plus a necessary general hardware platform, and of course, can also be through hardware, but in many cases, the former is a better implementation. the way.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium, including a plurality of instructions for causing a
  • the terminal device (which may be a mobile phone, a personal computer, a server, or a network device, etc.) performs the methods described in various embodiments of the present invention.

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Abstract

La présente invention se rapporte à un procédé et à un dispositif pour la transmission de données. Le procédé selon l'invention comprend les étapes suivantes : un dispositif sur le côté réseau alloue une pluralité de points de fréquence dans la bande passante du système sur la liaison montante ou la zone de données de la bande passante du système sur la liaison descendante d'un système d'évolution à long terme (LTE) ; et le dispositif sur le côté réseau indique le point de fréquence auquel un dispositif formant terminal doit initier une transmission de données, au moyen de signaux. La présente invention résout le problème lié à l'insuffisance en termes de capacité de points de fréquence avec une seule petite bande passante.
PCT/CN2013/070378 2012-01-12 2013-01-11 Procédé et dispositif pour la transmission de données WO2013104334A1 (fr)

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CN201210008803.2 2012-01-12
CN201210008803.2A CN103209441B (zh) 2012-01-12 2012-01-12 一种数据传输方法和设备

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CN103987124B (zh) * 2014-05-07 2017-09-26 电信科学技术研究院 一种配置调度的方法及设备
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