WO2015176293A1 - 一种确定辅载波传输方向的装置及方法 - Google Patents

一种确定辅载波传输方向的装置及方法 Download PDF

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Publication number
WO2015176293A1
WO2015176293A1 PCT/CN2014/078221 CN2014078221W WO2015176293A1 WO 2015176293 A1 WO2015176293 A1 WO 2015176293A1 CN 2014078221 W CN2014078221 W CN 2014078221W WO 2015176293 A1 WO2015176293 A1 WO 2015176293A1
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WO
WIPO (PCT)
Prior art keywords
carrier
subframe
secondary carrier
transmission
downlink
Prior art date
Application number
PCT/CN2014/078221
Other languages
English (en)
French (fr)
Inventor
李秉肇
权威
杨晓东
张戬
胡振兴
Original Assignee
华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201480018603.2A priority Critical patent/CN105308891B/zh
Priority to EP14892718.9A priority patent/EP3139530B1/en
Priority to PCT/CN2014/078221 priority patent/WO2015176293A1/zh
Publication of WO2015176293A1 publication Critical patent/WO2015176293A1/zh
Priority to US15/358,529 priority patent/US10263659B2/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40Circuits
    • H04B1/50Circuits using different frequencies for the two directions of communication
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0003Two-dimensional division
    • H04L5/0005Time-frequency
    • H04L5/0007Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/14Two-way operation using the same type of signal, i.e. duplex
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1268Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of uplink data flows
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/12Wireless traffic scheduling
    • H04W72/1263Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
    • H04W72/1273Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows of downlink data flows
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management
    • H04W72/23Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2215/00Reducing interference at the transmission system level
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058Allocation criteria
    • H04L5/0073Allocation arrangements that take into account other cell interferences

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to an apparatus and method for determining a secondary carrier transmission direction. Background technique
  • the carrier spectrum of data transmission is divided into three parts: Frequency Division Duplexing (FDD) uplink frequency band, Time Division Duplexing (TDD) frequency band and FDD downlink frequency band.
  • FDD Frequency Division Duplexing
  • TDD Time Division Duplexing
  • FDD downlink frequency band The uplink data of the FDD is fixed in the FDD uplink frequency band, and the downlink data is fixed in the FDD downlink frequency band.
  • the FDD uses two frequency bands with different frequencies to perform uplink and downlink transmission of data respectively. Both the uplink data and the downlink data of the TDD are transmitted in the TDD band, and the uplink data and the downlink data are transmitted by using the TDD band in different time slots.
  • a TDD frame is composed of 10 subframes, some of which are uplink data, and some of the subframes are downlink data. As shown in FIG. 2, a total of 7 seed frames have an uplink-downlink ratio relationship, and black is a downlink data frame. Gray is the uplink data frame, white is the gap GAP, and the stripes are special subframes.
  • the TDD frames transmitted by the adjacent two bands use the uplink and downlink interference of different subframes. Therefore, it is necessary to add a guard band of a certain width between two adjacent data transmission bands within the TDD band.
  • an embodiment of the present invention provides an apparatus and method for determining a transmission direction of a secondary carrier, which uses a reference carrier to determine a transmission direction of a medium subframe of the first secondary carrier, so as to prevent an adjacent frequency band from being generated when transmitting data in different directions. interference.
  • a first aspect of the embodiments of the present invention provides an apparatus for determining a transmission direction of a secondary carrier, where the apparatus includes:
  • An acquiring unit configured to acquire a reference carrier of the first secondary carrier according to the network configuration information
  • a determining unit configured to determine, according to a transmission direction of the subframe in the reference carrier, a transmission direction of the subframe in the first secondary carrier, so that the reference carrier The data transmission direction is the same at the same time as the first secondary carrier.
  • the determining unit when the first secondary carrier is a secondary carrier that only transmits uplink data, the determining unit includes:
  • a first determining subunit configured to determine, according to an uplink transmission subframe of the reference carrier, an uplink transmission subframe of the first secondary carrier;
  • a second determining subunit configured to determine an uplink transmission part of the special subframe of the first secondary carrier according to the uplink transmission part and/or the gap GAP in the special transmission subframe of the reference carrier.
  • the determining unit when the first secondary carrier is a secondary carrier that only transmits downlink data, the determining unit includes:
  • a third determining subunit configured to determine, according to the downlink transmission subframe of the reference carrier, a downlink transmission subframe of the first secondary carrier
  • a fourth determining subunit configured to determine, according to the downlink transmission part and/or the GAP in the special transmission subframe of the reference carrier, a downlink transmission part of the special subframe of the first secondary carrier.
  • the determining unit when the first secondary carrier is a secondary carrier that transmits both uplink data and downlink data, the determining unit includes:
  • the sixth determining subunit is configured to determine, when the subframes of the second location of the two reference carriers are downlink transmission subframes, that the subframe of the second location in the first secondary carrier is a downlink transmission subframe;
  • the seventh determining subunit is configured to: when a subframe of the third location of the two reference carriers has a special subframe, according to the third location of the two reference carriers, the uplink transmission part and/or the GAP Determining an uplink transmission part in a subframe of a third location in the first secondary carrier;
  • the eighth determining subunit is configured to: when the subframe of the third location of the two reference carriers has a special subframe, the downlink transmission part and/or the GAP are in the subframe according to the third location of the two reference carriers. Determining an uplink transmission portion in a subframe of the third location in the first secondary carrier.
  • a second aspect of the embodiments of the present invention provides a secondary carrier data transmission device, which is applied to a mobile terminal, where the device includes:
  • a receiving device configured to receive a first secondary carrier configured by a base station, and a transmission carrier, where the transmission carrier includes a primary carrier;
  • the device for determining a secondary carrier transmission direction is configured to determine a first secondary carrier transmission direction
  • a boundary determining apparatus configured to detect a subframe boundary of the reference carrier, and determine a subframe boundary of the first secondary carrier according to a subframe boundary of the reference carrier;
  • a sequence number determining device configured to detect a subframe number of the reference carrier, and determine a subframe sequence number of the first secondary carrier according to a subframe number of the reference carrier;
  • a data transmission device configured to perform uplink transmission and/or downlink reception of data by using the first secondary carrier.
  • the data transmission device when the first secondary carrier is a secondary carrier that only transmits uplink data, the data transmission device includes:
  • a first monitoring unit configured to monitor physical downlink control channel PDCCH scheduling information for the first secondary carrier from the transmission carrier, where the PDCCH scheduling information includes any one or more of PDCCH format 0, PDCCH format 3, and PDCCH format 3A ;
  • a first transmission unit configured to transmit uplink data by using the first secondary carrier according to the PDCCH scheduling information.
  • the data transmission device when the first secondary carrier is a secondary carrier that only transmits downlink data, includes: a second monitoring unit, configured to monitor PDCCH downlink scheduling information of the first secondary carrier from the first secondary carrier or the transmission carrier, where the PDCCH downlink scheduling information includes PDCCH format 1, PDCCH format 1A, PDCCH format 1B, PDCCH format 1C, PDCCH Format 1D, PDCCH format 2, or PDCCH format 2A;
  • a second monitoring unit configured to monitor PDCCH downlink scheduling information of the first secondary carrier from the first secondary carrier or the transmission carrier, where the PDCCH downlink scheduling information includes PDCCH format 1, PDCCH format 1A, PDCCH format 1B, PDCCH format 1C, PDCCH Format 1D, PDCCH format 2, or PDCCH format 2A;
  • a second transmission unit configured to receive downlink data by using the first secondary carrier according to the PDCCH scheduling information.
  • the data transmission device when the first secondary carrier is a secondary carrier that transmits both uplink data and downlink data, the data transmission device includes:
  • a third monitoring unit configured to monitor PDCCH scheduling information of the first secondary carrier, where the PDCCH scheduling information includes PDCCH uplink scheduling information and PDCCH downlink scheduling information;
  • a third transmitting unit configured to use the first secondary carrier to transmit uplink data and downlink data according to the PDCCH scheduling information.
  • a third aspect of the embodiments of the present invention provides a secondary carrier data transmission device, which is applied to a base station, where the device includes:
  • a configuration device configured to configure a first secondary carrier and a transmission carrier, where the transmission carrier includes a primary carrier wave
  • the apparatus for determining a secondary carrier transmission direction according to the first aspect of the first aspect of the present invention to the third possible implementation manner of the first aspect, configured to determine a first secondary carrier transmission direction;
  • a transmitting device configured to send the first secondary carrier and the transmission carrier that determine the transmission direction to the mobile terminal, so that the mobile terminal detects a subframe boundary of the reference carrier, and determines the first according to a subframe boundary of the reference carrier a subframe boundary of the secondary carrier, detecting a subframe number of the reference carrier, determining a subframe sequence number of the first secondary carrier according to a subframe number of the reference carrier, and performing uplink receiving of data by using the first secondary carrier And / or downlink transmission.
  • a fourth aspect of the embodiments of the present invention provides a method for determining a secondary carrier transmission direction, where the method includes:
  • the first secondary carrier is a secondary carrier that only transmits uplink data
  • the first secondary carrier is determined according to a transmission direction of the subframe in the reference carrier.
  • the transmission direction of the neutron frame includes:
  • the first secondary carrier is a secondary carrier that only transmits downlink data
  • the first secondary carrier is determined according to a transmission direction of the subframe in the reference carrier.
  • the transmission direction of the neutron frame includes:
  • the determining is performed according to a transmission direction of the subframe in the reference carrier.
  • the transmission direction of the subframe in the first secondary carrier includes any one or more steps in the following steps:
  • the third location of the first secondary carrier is determined according to the uplink transmission part and/or the GAP according to the third location of the two reference carriers.
  • the third location of the first secondary carrier is determined according to the downlink transmission part and/or the GAP according to the third location of the two reference carriers.
  • a fifth aspect of the embodiments of the present invention provides a method for transmitting a secondary carrier data, which is applied to a mobile terminal, where the method includes:
  • Upsizing and/or downlink receiving of data is performed by using the first secondary carrier.
  • the uplink transmission of data by using the first secondary carrier includes:
  • PDCCH scheduling information for the first secondary carrier, where the PDCCH scheduling information includes any one or more of a PDCCH format 0, a PDCCH format, and a PDCCH format 3A;
  • the downlink transmission of the data by using the first secondary carrier includes:
  • PDCCH downlink scheduling information of the first secondary carrier is monitored from the first secondary carrier or the transmission carrier, where the PDCCH downlink scheduling information includes PDCCH format 1, PDCCH format 1A, PDCCH format 1B, PDCCH format 1C, PDCCH format 1D, PDCCH format 2, Or PDCCH format 2A;
  • the first secondary carrier is a secondary carrier that transmits uplink data and downlink data, and uses the first secondary carrier to perform uplink data of data.
  • downlink transmissions include:
  • PDCCH scheduling information of the first secondary carrier where the PDCCH scheduling information includes PDCCH uplink scheduling information and PDCCH downlink scheduling information;
  • a sixth aspect of the embodiments of the present invention provides a method for transmitting a secondary carrier data, which is applied to a base station, where the method includes:
  • An apparatus and method for determining a secondary carrier transmission direction according to an embodiment of the present invention, obtaining a reference carrier of a first secondary carrier according to network configuration information, and determining a subframe in the first secondary carrier according to a transmission direction of the subframe in the reference carrier
  • the transmission direction is such that the reference carrier and the first secondary carrier have the same data transmission direction at the same time. Determining the transmission direction of the data of the subframe of the first secondary carrier transmitted in the adjacent frequency band by using the reference carrier, and ensuring that the data transmission direction is the same when the data transmission is simultaneously performed between the reference carrier and the first secondary carrier, and avoiding the adjacent frequency band simultaneously Interference occurs when data in different directions is transmitted.
  • Figure 1 is a schematic diagram of the guard band between the FDD band and the TDD band;
  • 2 is a schematic diagram of the up-and-down ratio of the sub-frames of the transmission carrier in the TDD band
  • FIG. 3 is a schematic structural diagram of Embodiment 1 of an apparatus for determining a transmission direction of a secondary carrier according to the present invention
  • FIG. 4 is a schematic diagram of an uplink reference carrier and a downlink reference carrier of a first secondary carrier
  • 5 is a schematic diagram of a subframe transmission direction when the first secondary carrier transmits only uplink data
  • FIG. 6 is a schematic diagram of a subframe transmission direction when the first secondary carrier transmits only downlink data
  • FIG. 7 is a schematic diagram of two reference carriers of a first secondary carrier
  • FIG. 8 is a schematic diagram of a subframe transmission direction when the first secondary carrier transmits both uplink data and downlink data;
  • Embodiment 9 is a schematic structural diagram of Embodiment 2 of a data transmission device according to the present invention.
  • FIG. 10 is a schematic structural diagram of Embodiment 3 of a secondary carrier data transmission device according to the present invention
  • FIG. 11 is a schematic structural diagram of Embodiment 4 of an apparatus for determining a secondary carrier transmission direction according to the present invention
  • FIG. 12 is a schematic diagram of determining a secondary carrier transmission direction according to the present invention
  • FIG. 13 is a flowchart of Embodiment 6 of a method for transmitting a secondary carrier data according to the present invention
  • FIG. 14 is a flowchart of Embodiment 7 of a method for transmitting a secondary carrier data according to the present invention. detailed description
  • an embodiment of the present invention provides an apparatus and method for determining a transmission direction of a secondary carrier, and a preferred embodiment of the present invention is described below with reference to the accompanying drawings.
  • the preferred embodiments described herein are for illustrative purposes only and are not intended to limit the invention. And in the case of no conflict, the first embodiment of the present application
  • FIG. 3 is a schematic structural diagram of Embodiment 1 of an apparatus for determining a transmission direction of a secondary carrier according to the present invention, where the apparatus includes:
  • the obtaining unit 301 is configured to acquire a reference carrier of the first secondary carrier according to the network configuration information.
  • the first secondary carrier and the reference carrier are transmitted in two adjacent frequency bands, or the reference carrier is the same as the second secondary carrier adjacent to the first secondary carrier, and includes: transmission of the subframe of the reference carrier and the second secondary carrier
  • the direction ratio is the same, and the reference carrier and the second subcarrier have the same subframe timing.
  • the network is configured with a primary carrier, a first secondary carrier, and a second secondary carrier, where the first secondary carrier and the second secondary carrier are adjacent, and the ratio of the primary carrier and the second secondary carrier are the same as the subframe timing
  • the carrier may be the second secondary carrier or the primary carrier.
  • the base station configures the first secondary carrier and the transmission carrier.
  • the transmission carrier configured by the base station may include only the primary carrier, and may also include the primary carrier and the at least one second secondary carrier.
  • the reference carrier may be a primary carrier or a second secondary carrier.
  • the reference carrier is two, there may be one primary carrier and one second secondary carrier, or two.
  • the second secondary carrier is set according to the actual situation.
  • the preset network information mainly carries the identifier of the reference carrier selected according to the frequency band transmitted by the first secondary carrier.
  • the preset network configuration information may be pre-configured by the base station or pre-configured by the mobile terminal.
  • the base station may obtain the reference carrier of the first secondary carrier according to the preset network configuration information that is preset by the base station; the mobile terminal may be configured according to preset network configuration information received by the base station or pre-configured preset network configuration information of the mobile terminal itself. Obtain a reference carrier of the first secondary carrier.
  • the base station or the mobile terminal generally sets the network configuration information in advance according to the following principle, and the carrier transmitted in the guard band between the FDD and TDD bands or between the two bands in the TDD is the first secondary carrier.
  • the carrier transmitted in the guard band between the FDD and TDD bands or between the two bands in the TDD is the first secondary carrier. example:
  • the first secondary carrier is a carrier transmitted in a guard band between the FDD uplink frequency band and the TDD frequency band
  • a carrier closest to the guard band between the FDD uplink frequency band and the TDD frequency band in the TDD frequency band is used as a reference carrier
  • the first secondary carrier is a carrier transmitted in a guard band between the FDD downlink frequency band and the TDD frequency band
  • a carrier closest to the guard band between the FDD downlink frequency band and the TDD frequency band in the TDD frequency band is used as a reference carrier
  • the first secondary carrier is a carrier transmitted in a guard band between two bands in the TDD band
  • two TDD bands on both sides of the guard band are used as reference carriers.
  • the first secondary carrier may also be a carrier transmitted in other frequency bands.
  • the carrier transmitted in the adjacent frequency band with the first secondary carrier may be selected as the reference carrier.
  • the determining unit 302 is configured to determine, according to a transmission direction of the subframe in the reference carrier, a transmission direction of the subframe in the first secondary carrier, so that the data transmission direction of the reference carrier and the first secondary carrier are the same at the same time.
  • the first secondary carrier is configured according to the determined reference carrier, and the determining unit 302 has three possible structures:
  • the determining unit 302 includes:
  • a first determining subunit configured to determine, according to an uplink transmission subframe of the reference carrier, an uplink transmission subframe of the first secondary carrier;
  • a second determining subunit configured to determine, according to the uplink transmission part and/or the GAP in the special transmission subframe of the reference carrier, an uplink transmission part of the special subframe of the first secondary carrier.
  • the first secondary carrier as a carrier transmitted in a guard band between the frequency division duplex FDD uplink frequency band and the TDD frequency band as an example:
  • the first secondary carrier transmitted in the guard band between the FDD uplink band and the TDD band can only transmit uplink data when the reference carrier of the TDD band performs uplink data transmission.
  • the FDD uplink frequency band, the guard band, and the TDD band in which the reference carrier closest to the guard band is located are transmitted in the uplink, and the three do not interfere with each other.
  • the reference carrier is a carrier of a TDD band closest to the guard band between the FDD uplink band and the TDD band.
  • the reference carrier is TDD carrier 1.
  • the reference carrier is an uplink reference carrier, and the uplink data transmission portion with the secondary carrier is protected according to the reference carrier configuration.
  • the reference carrier and the first secondary carrier are both composed of 10 subframes, and the reference carrier includes a downlink subframe, an uplink subframe, and a special subframe.
  • Determining, according to the transmission direction of the subframe in the reference carrier, the transmission direction of the subframe in the first secondary carrier includes:
  • an uplink transmission subframe of the first secondary carrier is determined according to an uplink transmission subframe of the reference carrier.
  • the third subframe of the reference carrier is an uplink transmission subframe
  • the third subframe configured with the first secondary carrier is also an uplink transmission subframe.
  • the uplink transmission part of the special subframe of the first secondary carrier is determined according to the uplink transmission part and/or the GAP in the special transmission subframe of the reference carrier.
  • the special subframe is an uplink-converted subframe in the TDD system, and the special subframe includes a Downlink Pilot Time Slot (DWPTS), a segment of GAP, and an Uplink Pilot Time Slot (UPPTS).
  • DWPTS Downlink Pilot Time Slot
  • UPFS Uplink Pilot Time Slot
  • the second subframe of the reference carrier is a special subframe
  • the second subframe of the first secondary carrier corresponds to the GAP of the second subframe in the reference carrier and the portion of the uplink transmission symbol as the uplink transmission part.
  • the part of the guard band secondary carrier corresponding to the GAP of the reference carrier may be an uplink transmission part or a blank protection band.
  • the uplink transmission subframe of the first secondary carrier may be determined only according to the uplink transmission subframe of the reference carrier; or may be based on the special transmission of the reference carrier
  • the uplink transmission part and/or the GAP in the frame determine an uplink transmission part of the special subframe of the first secondary carrier; and may further determine an uplink transmission subframe of the first secondary carrier according to the uplink transmission subframe of the reference carrier, And determining, according to the uplink transmission part and/or the GAP in the special transmission subframe of the reference carrier, an uplink transmission part of the special subframe of the first secondary carrier. Specific settings are made according to specific needs, and are not limited here.
  • the first secondary carrier has only the uplink transmission subframe, and the other portions do not perform data transmission, that is, do not receive data, nor transmit data.
  • a third determining subunit configured to determine, according to the downlink transmission subframe of the reference carrier, a downlink transmission subframe of the first secondary carrier
  • a fourth determining subunit configured to determine, according to the downlink transmission part and/or the GAP in the special transmission subframe of the reference carrier, a downlink transmission part of the special subframe of the first secondary carrier.
  • the first secondary carrier as a carrier transmitted in a guard band between a frequency division duplex FDD downlink frequency band and a TDD frequency band as an example:
  • the first secondary carrier transmitted in the guard band between the FDD downlink band and the TDD band can only transmit downlink data when the reference carrier of the TDD band performs downlink data transmission.
  • the downlink frequency band is transmitted by the line band, the guard band, and the nearest TDD band of the distance protection band, and the three do not interfere with each other.
  • the reference carrier is a carrier transmitted in a TDD band closest to the guard band between the FDD downlink band and the TDD band.
  • the reference carrier is TDD carrier 2.
  • the reference carrier is a downlink reference carrier, and the downlink data transmission part of the first secondary carrier is configured according to the reference carrier.
  • the reference carrier and the first secondary carrier are both composed of 10 subframes, and the reference carrier includes a downlink subframe, an uplink subframe, and a special subframe.
  • both the uplink reference carrier and the downlink reference carrier are primary carriers on the TDD frequency band; and when there is a primary carrier and at least one TDD secondary carrier on the TDD frequency band, the uplink reference The carrier is generally a different carrier than the downlink reference carrier.
  • the uplink reference carrier is a reference carrier of the guard band secondary carrier between the FDD uplink frequency band and the TDD frequency band, and the downlink reference carrier is a reference carrier of the guard band secondary carrier between the FDD downlink frequency band and the TDD frequency band.
  • Determining, according to the transmission direction of the subframe in the reference carrier, the transmission direction of the subframe in the first secondary carrier includes:
  • a downlink transmission subframe of the first secondary carrier is determined according to a downlink transmission subframe of the reference carrier. As shown in FIG. 6, the first subframe and the fourth subframe to the tenth subframe of the reference carrier are downlink transmission subframes, and then the first subframe, the fourth subframe to the tenth subframe of the first secondary carrier are determined. The sub-frame is also transmitted for the downlink.
  • the downlink transmission part of the special subframe of the first secondary carrier is determined according to the downlink transmission part and/or the GAP in the special transmission subframe of the reference carrier.
  • the second subframe of the reference carrier is a special subframe
  • the second subframe of the first secondary carrier is configured to correspond to the GAP of the second subframe in the reference carrier and the portion of the downlink transmission symbol as the downlink transmission part.
  • the part of the first secondary carrier corresponding to the GAP of the reference carrier may be a downlink transmission part or a blank protection band.
  • the downlink transmission subframe of the first secondary carrier may be determined only according to the downlink transmission subframe of the reference carrier; or may be based on the special transmission of the reference carrier
  • the downlink transmission part and/or the GAP in the frame determines a downlink transmission part of the special subframe of the first secondary carrier; and may also determine according to the downlink transmission subframe of the reference carrier
  • the downlink transmission subframe of the first secondary carrier further determines the downlink transmission portion of the special subframe of the first secondary carrier according to the downlink transmission part and/or the GAP in the special transmission subframe of the reference carrier. Specific settings are made according to specific needs, and are not limited herein.
  • the transmission direction of the TDD carrier 1 and the TDD carrier 2 subframes is the same, and the timing of the subframe is also the same. Therefore, the network configuration information is preset.
  • the TDD carrier 1 and the TDD carrier 2 may be set together as the uplink reference carrier and the downlink reference carrier, and the TDD carrier 1 and the TDD carrier may be set as the uplink reference carrier and the downlink reference carrier, respectively.
  • the TDD carrier 1 and the TDD carrier 2 must be set as the uplink reference carrier and the downlink reference carrier, respectively.
  • the first secondary carrier has only downlink transmission subframes, and other portions do not perform data transmission, that is, do not receive data, nor transmit data.
  • the determining unit 302 includes:
  • the sixth determining sub-unit is configured to determine, when the subframes of the second location of the two reference carriers are downlink transmission subframes, that the subframe of the second location in the first secondary carrier is a downlink transmission subframe;
  • the seventh determining subunit configured to: when a subframe of a third location of the two reference carriers has a special subframe, according to the third location of the two reference carriers, the uplink transmission part and/or the GAP Determining an uplink transmission part in a subframe of a third location in the first secondary carrier;
  • the eighth determining subunit is configured to: when the subframe of the third location of the two reference carriers has a special subframe, the downlink transmission part and/or the GAP are in the subframe according to the third location of the two reference carriers. Determining an uplink transmission portion in a subframe of the third location in the first secondary carrier.
  • the first secondary carrier as a carrier transmitted in a guard band between two bands in the TDD band as an example:
  • the first secondary carrier propagating in the guard band between the two bands in the TDD band can only be in two frequencies. At this time, the two bands of TDD and the guard bands between the two bands perform data transmission in the same direction, and the three do not interfere with each other.
  • the two reference carriers are two TDD carriers adjacent to each other on the protection band.
  • the two reference carriers are TDD carrier 3 and TDD carrier 4.
  • the two reference carriers and the first secondary carrier are composed of 10 subframes, and the reference carrier includes a downlink subframe, an uplink subframe, and a special subframe, and the two reference carriers are respectively protected by two sides and protected. With two adjacent TDD carriers.
  • Determining, according to a transmission direction of the subframe according to the reference carrier, a transmission direction of the subframe in the first secondary carrier includes:
  • the third subframe of the two reference carriers is an uplink transmission subframe
  • the third subframe of the first secondary carrier is also determined to be an uplink transmission subframe.
  • the first position is a general reference, which refers to the position of the reference carrier where the uplink transmission subframe is located when the corresponding positions of the two reference carriers are uplink transmission subframes.
  • the first location is the location of the third subframe of the two reference carriers.
  • the subframes of the second location of the two reference carriers are downlink transmission subframes
  • determining that the subframe of the second location in the first secondary carrier is a downlink transmission subframe.
  • the first subframe, the fifth subframe, the sixth subframe, and the tenth subframe of the two reference carriers are downlink transmission subframes, and the first subframe of the first secondary carrier is determined, and the fifth subframe is determined.
  • the subframe, the sixth subframe, and the tenth subframe are also downlink transmission subframes.
  • the second location is a general reference, which refers to the location of the reference carrier where the downlink transmission subframe is located when the corresponding positions of the two reference carriers are downlink transmission subframes.
  • the positions of the first sub-frame, the fifth sub-frame, the sixth sub-frame, and the tenth sub-frame of the two reference carriers are all the second positions.
  • the first secondary carrier is determined according to an uplink transmission part and/or a GAP according to the third position of the two reference carriers.
  • the uplink transmission part in the subframe of the third position.
  • the second subframe and the seventh subframe of the reference carrier 1 and the second subframe of the reference carrier 2 are special subframes. Determining the second sub-carrier of the first secondary carrier for the second subframe of the reference carrier 1 and the second subframe of the reference carrier 2
  • the uplink transmission portion of the frame corresponds to the shorter uplink transmission symbol portion of the second subframe of the reference carrier 1 and the second subframe of the reference carrier 2. Determining that the uplink transmission portion of the second subframe of the first secondary carrier corresponds to the uplink transmission symbol portion of the second subframe of the reference carrier 1.
  • the corresponding part of the first secondary carrier wave may be configured as a GAP or as an uplink transmission part.
  • the corresponding part of the guard band secondary carrier may be configured as a GAP or as a downlink transmission part.
  • the seventh subframe of the reference carrier 2 is a downlink transmission subframe, and the downlink transmission portion of the seventh subframe of the first secondary carrier is determined to correspond to the seventh subframe of the reference carrier 1 and The shorter downlink transmission symbol portion of the seventh subframe of the reference carrier 2 is referenced.
  • the downlink transmission symbol in the seventh subframe of the reference carrier 1 is shorter than the downlink transmission symbol portion in the seventh subframe of the reference carrier 2, and the downlink transmission portion of the seventh subframe of the first secondary carrier is determined.
  • the downlink transmission symbol portion is the same in the seventh subframe of the reference carrier 1.
  • the first secondary carrier has both an uplink transmission subframe and a downlink transmission subframe.
  • the fourth location of the first secondary carrier does not perform data transmission, that is, does not receive data, and does not transmit data.
  • the corresponding part of the guard band auxiliary carrier wave may be configured as a GAP or as a downlink transmission part.
  • the other part of the first auxiliary carrier wave because the transmission direction of the subframe corresponding to the reference carrier 1 and the reference carrier 2 is different, as the guard band isolating the reference carrier 1 and the reference carrier 2, no data transmission is performed.
  • the configured guard band auxiliary carrier is shown in Figure 8.
  • the transfer direction is the same. Determining the transmission direction of the data of the subframe of the first secondary carrier transmitted in the adjacent frequency band by using the reference carrier, and ensuring that the data transmission direction is the same when the data transmission is simultaneously performed between the reference carrier and the first secondary carrier, and avoiding the adjacent frequency band simultaneously Interference occurs when data in different directions is transmitted.
  • FIG. 9 is a schematic structural diagram of Embodiment 2 of a data transmission device according to the present invention, which is applied to a mobile terminal, where a mobile terminal determines a transmission direction of a subframe in a first secondary carrier, where the device includes:
  • the receiving device 901 is configured to receive a first secondary carrier configured by the base station and a transmission carrier, where the transmission carrier includes a primary carrier.
  • the base station sends the configured first secondary carrier and the transmission carrier to the mobile terminal, where the transmission carrier may include only one primary carrier, and may also include one primary carrier and at least one second secondary carrier.
  • the base station may further send preset network configuration information to the mobile terminal, where the preset network configuration information carries the identifier of the reference carrier.
  • the base station may not send the preset network configuration information to the mobile terminal, but preset the preset network configuration information in the mobile terminal.
  • the apparatus 902 for determining a secondary carrier transmission direction according to any one of claims 1-4, configured to determine a first secondary carrier transmission direction.
  • the boundary determining device 903 is configured to detect a subframe boundary of the reference carrier, and determine a subframe boundary of the first secondary carrier according to a subframe boundary of the reference carrier.
  • the mobile terminal detects a subframe boundary of the reference carrier, and determines a subframe boundary of the first secondary carrier, where the boundary of the uplink data transmission part in the special subframe corresponding to the reference carrier in the first secondary carrier is determined, or the downlink data transmission part is determined.
  • the border
  • the left boundary of the uplink data transmission part of the first secondary carrier is the same as the left boundary of the second subframe of the reference carrier, and of course, the uplink of the first secondary carrier may also be determined.
  • the left boundary of the data transmission portion is the same as the left boundary of the portion of the uplink transmission symbol of the second subframe of the reference carrier.
  • the right edge of the uplink data transmission portion that drives the first secondary carrier is the same as the boundary of the uplink transmission subframe of the third subframe of the reference carrier. Since the reference carrier performs downlink data transmission except for the uplink transmission subframe and the gap GAP, in order to avoid interference between the FDD uplink frequency band and the reference carrier, the first secondary carrier does not perform data transmission.
  • the configured first secondary carrier is shown in Figure 5.
  • determining that the downlink data transmission part of the first secondary carrier is the same as the boundary of the downlink data transmission part and the GAP of the reference carrier of course, only the first may be determined.
  • the downlink data transmission portion of the secondary carrier is the same as the boundary of the downlink data transmission portion of the reference carrier. Since the reference carrier performs uplink data transmission except for the downlink transmission subframe and the gap GAP, at this time, in order to avoid interference between the FDD downlink frequency band and the reference carrier, the protection band does not perform data transmission.
  • the configured first secondary carrier is shown in FIG. 6.
  • the uplink transmission symbol in the second subframe of the reference carrier 1 is shorter than the uplink transmission symbol portion in the second subframe of the reference carrier 2, and the uplink transmission of the second subframe of the first secondary carrier is determined.
  • the portion is the same as the boundary of the uplink transmission symbol in the second subframe of the reference carrier 1.
  • the downlink transmission symbol division in the second subframe of the reference carrier 2 is shorter than the downlink transmission symbol portion in the second subframe of the reference carrier 1, and the downlink transmission portion of the second subframe of the first secondary carrier and the second transmission of the reference carrier 2 are determined.
  • the boundaries of the downlink transmission symbol points in the subframe are the same.
  • the downlink transmission symbol division in the seventh subframe of the reference carrier 1 is shorter than the downlink transmission symbol portion in the seventh subframe of the reference carrier 2, and the downlink transmission portion of the seventh subframe of the first secondary carrier and the seventh transmission of the reference carrier 1 are determined.
  • the boundaries of the downlink transmission symbol points in the subframe are the same.
  • the sequence number determining means 904 is configured to detect a subframe number of the reference carrier, and determine a subframe number of the first secondary carrier according to a subframe number of the reference carrier.
  • the mobile terminal detects the subframe number of the reference carrier, and sequentially determines the subframe number of the first secondary carrier according to the subframe number of the reference carrier.
  • the third subframe of the test carrier is an uplink transmission subframe
  • the third subframe of the first secondary carrier is also determined to be an uplink transmission subframe.
  • the sequence number of the third subframe of the reference carrier is 2, and it is determined that the subframe number corresponding to the third subframe of the reference carrier in the first secondary carrier is 2.
  • the first subframe and the fourth subframe to the tenth subframe of the reference carrier are downlink transmission subframes, and then the first subframe, the fourth subframe to the tenth subframe of the first secondary carrier are determined.
  • the sub-frame is also transmitted for the downlink.
  • the first subframe of the reference carrier is 0, and the subframe number corresponding to the first subframe of the reference carrier on the first secondary carrier is also 0; the fourth subframe of the reference carrier is 3, and the first is determined.
  • the subframe number corresponding to the fourth subframe of the reference carrier on the secondary carrier is also 3; the fifth subframe number of the reference carrier is 4, and the first secondary carrier is determined to correspond to the fifth subframe of the reference carrier.
  • the subframe number of the reference carrier is also 4; the sixth subframe number of the reference carrier is 5, and the subframe number corresponding to the 6th subframe of the reference carrier on the first secondary carrier is also determined to be 5; the seventh sub-carrier of the reference carrier The frame number is 6, and the subframe number corresponding to the seventh subframe of the reference carrier on the first secondary carrier is also determined to be 6; The eighth subframe number of the reference carrier is 7, and the subframe number corresponding to the eighth subframe of the reference carrier on the first secondary carrier is also determined to be 7; the ninth subframe number of the reference carrier is 8, and the first is determined.
  • the subframe number corresponding to the ninth subframe of the reference carrier on the secondary carrier is also 8; the 10th subframe number of the reference carrier is 9, determining that the first secondary carrier corresponds to the 10th subframe of the reference carrier The subframe number is also 9.
  • the third subframe of the two reference carriers is an uplink transmission subframe
  • the third subframe of the first secondary carrier is also determined to be an uplink transmission subframe.
  • the sequence number of the third subframe of the two reference carriers is 2, and the sequence number of the third subframe of the first secondary carrier is also determined to be 2.
  • the first subframe, the fifth subframe, the sixth subframe, and the tenth subframe of the two reference carriers are downlink transmission subframes, and the first subframe of the first secondary carrier is determined, and the fifth subframe is determined.
  • the subframe, the sixth subframe, and the tenth subframe are also uplink transmission subframes.
  • the sequence number of the first subframe of the two reference carriers is 0, and the sequence number of the first subframe of the first secondary carrier is also 0; the sequence number of the 5th subframe of the two reference carriers is 4, and the first secondary carrier is determined.
  • the sequence number of the fifth subframe is also 4; the sequence number of the 6th subframe of the two reference carriers is 5, and the sequence number of the 6th subframe determining the first secondary carrier is also 5; the 10th subframe of the two reference carriers The sequence number is 9, and the sequence number of the 10th subframe corresponding to the first secondary carrier is also 9.
  • the data transmission device 905 is configured to perform uplink transmission and/or downlink reception of data by using the first secondary carrier.
  • the data transmission device 905 has three possible configurations:
  • a first monitoring unit configured to monitor PDCCH scheduling information for the first secondary carrier from the transmission carrier, where the PDCCH scheduling information includes Any one or more of PDCCH format 0, PDCCH format 3, and PDCCH format 3A;
  • a first transmitting unit configured to use the first secondary carrier to transmit uplink data according to the PDCCH scheduling information.
  • the mobile terminal When the first secondary carrier only transmits the uplink data, only the uplink transmission subframe is included in the first secondary carrier, and the mobile terminal only monitors the uplink data transmission scheduling information for the first secondary carrier.
  • the mobile terminal only monitors PDCCH scheduling information of PDCCH format 0, PDCCH format 3, and PDCCH format 3A, and ignores PDCCH format 1, PDCCH format 1A, PDCCH format 1B, PDCCH format 1C, PDCCH format ID, PDCCH format 2, and PDCCH format 2
  • PDCCH Scheduling information reducing the number of formats of blind detection PDCCH scheduling information, the mobile terminal may speed up processing of PDCCH information for the first secondary carrier.
  • the PDCCH scheduling information of the PDCCH format 0 or the PDCCH format 3 and the PDCCH format 3 A is transmitted by the base station to the mobile terminal by using a downlink transmission subframe in the transmission carrier, where the transmission carrier is transmitted in a downlink transmission subframe in the TDD frequency band. Carrier or carrier transmitted in the FDD downlink frequency band.
  • the mobile terminal transmits uplink data to the base station by using the first secondary carrier according to the PDCCH scheduling information. And the mobile terminal does not perform a search and or measurement of any downlink signals for the first secondary carrier.
  • the first secondary carrier is a secondary carrier that only transmits downlink data: a second monitoring unit, configured to monitor the first secondary carrier from the first secondary carrier or the transmission carrier
  • the PDCCH downlink scheduling information includes PDCCH format 1, PDCCH format 1A, PDCCH format 1B, PDCCH format 1C, PDCCH format 1D, PDCCH format 2, or PDCCH format 2A;
  • a second transmission unit configured to receive downlink data by using the first secondary carrier according to the PDCCH scheduling information.
  • the mobile terminal can receive the PDCCH scheduling information sent by the base station from the downlink transmission subframe of the first secondary carrier or the transmission carrier, and the mobile terminal only PDCCH format 1, PDCCH format 1A, PDCCH format 1B, PDCCH format 1C, PDCCH format 1D, PDCCH format 2, and any one or more PDCCH scheduling information in PDCCH format 2A are monitored, and PDCCH format 0, PDCCH format 3, and PDCCH format are ignored.
  • the PDCCH scheduling information of the 3A reduces the number of formats of the blind detection PDCCH scheduling information, and the mobile terminal can speed up the processing of the PDCCH information for the first secondary carrier.
  • a third monitoring unit configured to monitor PDCCH scheduling information of the first secondary carrier, where the PDCCH scheduling information includes PDCCH uplink scheduling information and PDCCH downlink scheduling information
  • a third transmitting unit configured to use the foregoing according to the PDCCH scheduling information
  • a secondary carrier transmits uplink data and downlink data.
  • the mobile terminal monitors the PDCCH scheduling information of the PDCCH format 0, the PDCCH format 3, and the PDCCH format 3 A of the first secondary carrier that is sent by the downlink transmission subframe of the first secondary carrier or the transmission carrier, and uses the first auxiliary according to the PDCCH scheduling information.
  • the uplink transmission subframe of the carrier transmits uplink data to the base station.
  • the mobile terminal monitors that the base station sends the downlink transmission subframe from the first secondary carrier or the transmission carrier.
  • the secondary carrier receives downlink data.
  • the mobile terminal may receive the downlink data information sent by the base station through the downlink transmission subframe of the first secondary carrier, or may transmit the uplink data wash information to the base station by using the uplink transmission subframe of the first secondary carrier.
  • the transmission direction of the subframe in the first secondary carrier is determined in the mobile terminal.
  • FIG. 10 is a schematic structural diagram of a third embodiment of a secondary carrier data transmission device according to the present invention.
  • the base station is configured to determine, by a base station, a transmission direction of a subframe in a first secondary carrier, where the device includes:
  • the configuration device 1001 is configured to configure a first secondary carrier and a transmission carrier, where the transmission carrier includes a primary carrier.
  • the base station is configured with a first secondary carrier and a transmission carrier, where the transmission carrier includes at least one primary carrier, and may further include at least one second secondary carrier.
  • the apparatus 1002 for determining a secondary carrier transmission direction according to any one of claims 1 to 4, for determining a first secondary carrier transmission direction.
  • the base station determines, according to the preset network configuration information, a transmission direction of the subframe in the first secondary carrier.
  • the description of the first embodiment is similar to that of the first embodiment, and details are not described herein again.
  • the transmitting device 1003 is configured to send the first secondary carrier and the transmission carrier that determine the transmission direction to the mobile terminal, so that the mobile terminal detects a subframe boundary of the reference carrier, and determines the first frame according to a subframe boundary of the reference carrier. a subframe boundary of a secondary carrier; detecting the reference carrier Determining a subframe number of the first secondary carrier according to a subframe number of the reference carrier; performing uplink reception and/or downlink transmission of data by using the first secondary carrier.
  • the base station transmits the first secondary carrier that determines the transmission direction and the configured transmission carrier to the mobile terminal.
  • the mobile terminal detects a subframe boundary of the reference carrier, determines a subframe boundary of the first secondary carrier according to a subframe boundary of the reference carrier, and detects a subframe sequence number of the reference carrier, according to the reference carrier
  • the frame sequence number determines a subframe sequence number of the first secondary carrier; and performs uplink reception and/or downlink transmission of data by using the first secondary carrier.
  • the present invention has the following beneficial effects:
  • the transmission direction of the subframe in the first secondary carrier is determined in the base station, and the mobile terminal may determine the first secondary carrier subframe boundary and the subframe sequence according to the reference carrier.
  • FIG. 11 is a schematic structural diagram of Embodiment 4 of an apparatus for determining a transmission direction of a secondary carrier according to the present invention, where the apparatus includes:
  • the memory 1101 is used to store instructions, and the processor 1102 is used to retrieve instructions.
  • the instructions include:
  • determining, according to the transmission direction of the subframe in the reference carrier, the transmission direction of the subframe in the first secondary carrier includes: determining, according to the uplink transmission subframe of the reference carrier, An uplink transmission subframe of the first secondary carrier;
  • determining, according to the transmission direction of the subframe in the reference carrier, the transmission direction of the subframe in the first secondary carrier includes: Determining, according to the downlink transmission subframe of the reference carrier, a downlink transmission subframe of the first secondary carrier;
  • the determining, according to the transmission direction of the subframe in the reference carrier, the transmission direction of the subframe in the first secondary carrier includes the following Step any or more steps:
  • the subframes of the first location of the two reference carriers are uplink transmission subframes, determining that the subframe of the first location in the first secondary carrier is an uplink transmission subframe;
  • the third location of the first secondary carrier is determined according to the downlink transmission part and/or the GAP according to the third location of the two reference carriers.
  • FIG. 12 is a flowchart of Embodiment 5 of a method for determining a transmission direction of a secondary carrier according to the present invention.
  • the method is a method corresponding to the apparatus according to the first embodiment, where the method includes:
  • Step 1201 Acquire a reference carrier of the first secondary carrier according to the network configuration information.
  • Step 1202 Determine a transmission direction of the subframe in the first secondary carrier according to a transmission direction of the subframe in the reference carrier, so that the data transmission direction of the reference carrier and the first secondary carrier are the same at the same time.
  • step 1202 There are three possible implementations of the step 1202:
  • the first secondary carrier is a secondary carrier that only transmits uplink data
  • determining, according to a transmission direction of the subframe in the reference carrier, a subframe transmission in the first secondary carrier The direction of the transfer includes:
  • determining, according to a transmission direction of the subframe in the reference carrier, a transmission direction of the subframe in the first secondary carrier includes:
  • the first secondary carrier is a secondary carrier that transmits both uplink data and downlink data
  • the transfer direction includes any one or more of the following steps:
  • the subframes of the first location of the two reference carriers are uplink transmission subframes, determining that the subframe of the first location in the first secondary carrier is an uplink transmission subframe;
  • the third location of the first secondary carrier is determined according to the downlink transmission part and/or the GAP according to the third location of the two reference carriers.
  • the uplink transmission part in the subframe is determined according to the downlink transmission part and/or the GAP according to the third location of the two reference carriers.
  • Steps 1201 and 1202 are similar to the first embodiment, and the description of the first embodiment is omitted.
  • FIG. 13 is a flowchart of a method for transmitting a secondary carrier data according to a sixth embodiment of the present invention, which is applied to a mobile terminal, where the method is a method corresponding to the device in the second embodiment, the method includes: Step 1301: Receive a base station The first secondary carrier and the transmission carrier are configured, and the transmission carrier includes a primary carrier.
  • Step 1302 Determine a first secondary carrier transmission direction according to the method described in Embodiment 5.
  • Step 1303 Detect a subframe boundary of the reference carrier, and determine a subframe boundary of the first secondary carrier according to a subframe boundary of the reference carrier.
  • Step 1304 Detect a subframe number of the reference carrier, and determine a subframe number of the first secondary carrier according to a subframe number of the reference carrier.
  • step 1303 and step 1304 The execution sequence of step 1303 and step 1304 is not specifically limited. Step 1304 may be performed first, and then step 1303 may be performed; or step 1303 and step 1304 may be performed simultaneously.
  • Step 1305 Perform uplink transmission and/or downlink reception of data by using the first secondary carrier. There are three possible implementations of the step 1305:
  • the uplink transmission of data by using the first secondary carrier includes:
  • PDCCH scheduling information for the first secondary carrier, where the PDCCH scheduling information includes any one or more of PDCCH format 0, PDCCH format 3, and PDCCH format 3A;
  • the downlink transmission of the data by using the first secondary carrier includes:
  • PDCCH downlink scheduling information of the first secondary carrier is monitored from the first secondary carrier or the transmission carrier, where the PDCCH downlink scheduling information includes PDCCH format 1, PDCCH format 1A, PDCCH format 1B, PDCCH format 1C, PDCCH format 1D, PDCCH format 2, And any one or more of PDCCH format 2A;
  • the first secondary carrier is configured to transmit both uplink data and
  • the uplink data and the downlink transmission performed by using the first secondary carrier include:
  • PDCCH scheduling information of the first secondary carrier where the PDCCH scheduling information includes PDCCH uplink scheduling information and PDCCH downlink scheduling information;
  • the mobile terminal determines the transmission direction of the subframe in the first secondary carrier, and the steps 1301 to 1305 are similar to the second embodiment, and the description of the second embodiment is omitted.
  • Example 7
  • FIG. 14 is a flowchart of Embodiment 7 of a method for transmitting a secondary carrier data according to the present invention, which is applied to a base station, where the method is a method corresponding to the device in the third embodiment, where the method includes: Step 1401: Configure the first A secondary carrier and a transmission carrier, the transmission carrier including a primary carrier. Step 1402: Determine a first secondary carrier transmission direction according to the method described in Embodiment 5.
  • Step 1403 Send the first secondary carrier and the transmission carrier that determine the transmission direction to the mobile terminal.
  • the mobile terminal detects a subframe boundary of the reference carrier, determines a subframe boundary of the first secondary carrier according to a subframe boundary of the reference carrier, and detects a subframe sequence number of the reference carrier, according to a subcarrier of the reference carrier
  • the frame sequence number determines a subframe sequence number of the first secondary carrier; and performs uplink reception and/or downlink transmission of data by using the first secondary carrier.
  • the base station determines the transmission direction of the subframe in the first secondary carrier, and then sends the transmission direction to the mobile terminal.
  • Steps 1401 to 1403 are similar to the third embodiment, and are not described here.

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Abstract

本发明实施例提供的一种确定辅载波传输方向的装置及方法,根据网络配置信息获取第一辅载波的参考载波,根据所述参考载波中子帧的传输方向确定第一辅载波中子帧的传输方向,以使得参考载波与第一辅载波在同一时刻的数据传输方向相同。利用参考载波确定与其在相邻频带中传输的第一辅载波的子帧的数据的传输方向,保证参考载波和第一辅载波中同时有数据传输时,数据传输方向相同,避免相邻频带同时传输不同方向的数据时产生干扰。

Description

一种确定辅栽波传输方向的装置及方法 技术领域
本发明涉及通信技术领域,尤其涉及一种确定辅载波传输方向的装置及 方法。 背景技术
移动通信系统中, 数据传输的载波频谱划分为频分双工 ( Frequency Division Duplexing, FDD )上行频带, 时分双工 ( Time Division Duplexing, TDD ) 频带以及 FDD下行频带三部分。 FDD的上行数据固定在 FDD上行 频带中传输, 下行数据固定在 FDD下行频带中传输, FDD利用两个频率不 同的频带分别进行数据的上行传输和下行传输。 TDD的上行数据和下行数 据都在 TDD频带中传输, 分别在不同的时隙利用 TDD频带传输上行数据 和下行数据。
如图 1所示,为了防止 FDD上行数据传输与 TDD下行数据传输之间的 干扰, 在 FDD上行频带与 TDD频带之间有一定宽度的保护带; 同样的, 为了防止 TDD上行数据传输与 FDD下行数据传输之间的干扰,在 TDD频 带与 FDD下行频带之间也有一定宽度的保护带。
一个 TDD帧由 10个子帧组成, 其中有的子帧为上行数据,有的子帧为 下行数据, 如图 2所示, 一共有 7种子帧的上下行配比关系, 黑色为下行 数据帧, 灰色为上行数据帧, 白色为间隙 GAP, 条纹为特殊子帧。 在 TDD 频带内部,相邻的两个频带所传输的 TDD帧若釆用不同的子帧的上下行配 扰。 因此, 需要在 TDD频带内部相邻的两个数据传输频带之间也添加一定 宽度的保护带。
虽然可以利用保护带隔离相邻频带在传输不同方向的数据所产生的干 扰, 但是保护带会造成频率资源的浪费。 发明内容 有鉴于此, 本发明实施例提供了一种确定辅载波传输方向的装置及方 法, 利用参考载波确定第一辅载波的中子帧的传输方向, 避免相邻频带在 传输不同方向的数据时产生干扰。
本发明实施例第一方面提供一种确定辅载波传输方向的装置,所述装置 包括:
获取单元, 用于根据网络配置信息获取第一辅载波的参考载波; 确定单元,用于根据所述参考载波中子帧的传输方向确定第一辅载波中 子帧的传输方向, 以使得参考载波与第一辅载波在同一时刻的数据传输方 向相同。
本发明实施例第一方面的第一种可能的实施方式中,所述第一辅载波为 只传输上行数据的辅载波时, 所述确定单元包括:
第一确定子单元,用于根据所述参考载波的上行传输子帧确定所述第一 辅载波的上行传输子帧;
和 /或,
第二确定子单元,用于根据所述参考载波的特殊传输子帧中的上行传输 部分和 /或间隙 GAP确定第一辅载波的特殊子帧的上行传输部分。
本发明实施例第一方面的第二种可能的实施方式中,所述第一辅载波为 只传输下行数据的辅载波时, 所述确定单元包括:
第三确定子单元,用于根据所述参考载波的下行传输子帧确定所述第一 辅载波的下行传输子帧;
和 /或,
第四确定子单元,用于根据所述参考载波的特殊传输子帧中的下行传输 部分和 /或 GAP确定第一辅载波的特殊子帧的下行传输部分。
本发明实施例第一方面第三种可能的实施方式中,所述第一辅载波为既 传输上行数据也传输下行数据的辅载波时, 所述确定单元包括:
第五确定子单元、 第六确定子单元、 第七确定子单元以及第八确定子单 元任意一个或多个;
所述第五确定子单元,用于当两个参考载波的第一位置的子帧都是上行 传输子帧时, 确定第一辅载波中第一位置的子帧为上行传输子帧; 所述第六确定子单元,用于当两个参考载波的第二位置的子帧都是下行 传输子帧时, 确定第一辅载波中第二位置的子帧为下行传输子帧;
所述第七确定子单元,用于当两个参考载波的第三位置的子帧有一个特 殊子帧时, 根据两个参考载波第三位置的子帧中都是上行传输部分和 /或 GAP确定第一辅载波中第三位置的子帧中的上行传输部分;
所述第八确定子单元,用于当两个参考载波的第三位置的子帧有一个特 殊子帧时, 根据两个参考载波第三位置的子帧中都是下行传输部分和 /或 GAP确定第一辅载波中第三位置的子帧中的上行传输部分。
本发明实施例第二方面提供一种辅载波数据传输设备, 应用于移动终 端, 所述设备包括:
接收装置, 用于接收基站配置的第一辅载波以及传输载波, 所述传输载 波包括主载波;
本发明实施例第一方面至第一方面第三种可能的实施方式所述的确定 辅载波传输方向的装置, 用于确定第一辅载波传输方向;
边界确定装置, 用于检测所述参考载波的子帧边界,根据所述参考载波 的子帧边界确定所述第一辅载波的子帧边界;
序号确定装置, 用于检测所述参考载波的子帧序号,根据所述参考载波 的子帧序号确定所述第一辅载波的子帧序号;
数据传输装置, 用于利用所述第一辅载波进行数据的上行传输和 /或下 行接收。
本发明实施例第二方面第一种可能的实施方式中,所述第一辅载波为只 传输上行数据的辅载波时, 所述数据传输装置包括:
第一监测单元,用于从传输载波监测针对第一辅载波的物理下行控制信 道 PDCCH调度信息, 所述 PDCCH调度信息包括 PDCCH格式 0、 PDCCH 格式 3以及 PDCCH格式 3A中的任意一种或多种;
第一传输单元, 用于根据所述 PDCCH调度信息利用所述第一辅载波传 输上行数据。
本发明实施例第二方面第二种可能的实施方式中,所述第一辅载波为只 传输下行数据的辅载波时, 所述数据传输装置包括: 第二监测单元, 用于从第一辅载波或传输载波监测第一辅载波的 PDCCH下行调度信息, 所述 PDCCH下行调度信息包括 PDCCH格式 1, PDCCH格式 1A, PDCCH格式 1B, PDCCH格式 1C, PDCCH格式 1D, PDCCH格式 2, 或 PDCCH格式 2A;
第二传输单元, 用于根据所述 PDCCH调度信息利用所述第一辅载波接 收下行数据。
本发明实施例第二方面第三种可能的实施方式中,所述第一辅载波为既 传输上行数据也传输下行数据的辅载波时, 所述数据传输装置包括:
第三监测单元,用于监测第一辅载波的 PDCCH调度信息,所述 PDCCH 调度信息包括 PDCCH上行调度信息和 PDCCH下行调度信息;
第三传输单元, 用于根据所述 PDCCH调度信息利用所述第一辅载波传 输上行数据和下行数据。
本发明实施例第三方面提供一种辅载波数据传输设备,应用于基站, 所 述设备包括:
配置装置, 用于配置第一辅载波以及传输载波, 所述传输载波包括主载 波;
本发明实施例第一方面至第一方面的第三种可能的实施方式所述的确 定辅载波传输方向的装置, 用于确定第一辅载波传输方向;
发送装置,用于将确定好传输方向的第一辅载波以及传输载波发送至移 动终端, 以便移动终端检测所述参考载波的子帧边界, 根据所述参考载波 的子帧边界确定所述第一辅载波的子帧边界; 检测所述参考载波的子帧序 号, 根据所述参考载波的子帧序号确定所述第一辅载波的子帧序号; 利用 所述第一辅载波进行数据的上行接收和 /或下行传输。
本发明实施例第四方面提供一种确定辅载波传输方向的方法,所述方法 包括:
根据网络配置信息获取第一辅载波的参考载波、;
根据所述参考载波中子帧的传输方向确定第一辅载波中子帧的传输方 向, 以使得参考载波与第一辅载波在同一时刻的数据传输方向相同。 本发明实施例第四方面第一种可能的实施方式中,所述第一辅载波为只 传输上行数据的辅载波时, 所述根据所述参考载波中子帧的传输方向确定 第一辅载波中子帧的传输方向包括:
根据所述参考载波的上行传输子帧确定所述第一辅载波的上行传输子 帧;
和 /或,
根据所述参考载波的特殊传输子帧中的上行传输部分和 /或间隙 GAP确 定第一辅载波的特殊子帧的上行传输部分。
本发明实施例第四方面第二种可能的实施方式中,所述第一辅载波为只 传输下行数据的辅载波时, 所述根据所述参考载波中子帧的传输方向确定 第一辅载波中子帧的传输方向包括:
根据所述参考载波的下行传输子帧确定所述第一辅载波的下行传输子 帧;
和 /或,
根据所述参考载波的特殊传输子帧中的下行传输部分和 /或 GAP确定第 一辅载波的特殊子帧的下行传输部分。
本发明实施例第四方面第三种可能的实施方式中,所述第一辅载波为既 传输上行数据也传输下行数据的辅载波时, 所述根据所述参考载波中子帧 的传输方向确定第一辅载波中子帧的传输方向包括以下步骤任意一步或多 步:
当两个参考载波的第一位置的子帧都是上行传输子帧时,确定第一辅载 波中第一位置的子帧为上行传输子帧;
当两个参考载波的第二位置的子帧都是下行传输子帧时,确定第一辅载 波中第二位置的子帧为下行传输子帧;
当两个参考载波的第三位置的子帧有一个特殊子帧时,根据两个参考载 波第三位置的子帧中都是上行传输部分和 /或 GAP 确定第一辅载波中第三 位置的子帧中的上行传输部分; 当两个参考载波的第三位置的子帧有一个特殊子帧时,根据两个参考载 波第三位置的子帧中都是下行传输部分和 /或 GAP 确定第一辅载波中第三 位置的子帧中的上行传输部分。
本发明实施例第五方面提供一种辅载波数据传输方法, 应用于移动终 端, 所述方法包括:
接收基站配置的第一辅载波以及传输载波, 所述传输载波包括主载波; 根据本发明实施例第四方面至第四方面第三种可能的实施方式所述的 方法确定第一辅载波传输方向;
检测所述参考载波的子帧边界,根据所述参考载波的子帧边界确定所述 第一辅载波的子帧边界;
检测所述参考载波的子帧序号,根据所述参考载波的子帧序号确定所述 第一辅载波的子帧序号;
利用所述第一辅载波进行数据的上行传输和 /或下行接收。
本发明实施例第五方面第一种可能的实施方式中,所述第一辅载波为只 传输上行数据的辅载波时, 所述利用所述第一辅载波进行数据的上行传输 包括:
从传输载波监测针对第一辅载波的物理下行控制信道 PDCCH 调度信 息, 所述 PDCCH调度信息包括 PDCCH格式 0、 PDCCH格式以及 PDCCH 格式 3A中的任意一种或多种;
根据所述 PDCCH调度信息利用所述第一辅载波传输上行数据。
本发明实施例第五方面第二种可能的实施方式中,所述第一辅载波为只 传输下行数据的辅载波时, 所述利用所述第一辅载波进行数据的下行传输 包括:
从第一辅载波或传输载波监测第一辅载波的 PDCCH下行调度信息, 所 述 PDCCH下行调度信息包括 PDCCH格式 1, PDCCH格式 1A, PDCCH 格式 1B, PDCCH格式 1C, PDCCH格式 1D, PDCCH格式 2, 或 PDCCH 格式 2A;
根据所述 PDCCH调度信息利用所述第一辅载波接收下行数据。 本发明实施例第五方面第三种可能的实施方式中,所述第一辅载波为既 传输上行数据也传输下行数据的辅载波时, 所述利用所述第一辅载波进行 数据的上行数据和下行传输包括:
监测第一辅载波的 PDCCH 调度信息, 所述 PDCCH 调度信息包括 PDCCH上行调度信息和 PDCCH下行调度信息;
根据所述 PDCCH调度信息利用所述第一辅载波传输上行数据和下行数 据。
本发明实施例第六方面提供一种辅载波数据传输方法,应用于基站, 所 述方法包括:
配置第一辅载波以及传输载波, 所述传输载波包括主载波;
根据本发明实施例第四方面至第四方面第三种可能的实施方式所述的 方法确定第一辅载波传输方向;
将确定好传输方向的第一辅载波以及传输载波发送至移动终端,以便移 动终端检测所述参考载波的子帧边界, 根据所述参考载波的子帧边界确定 所述第一辅载波的子帧边界; 检测所述参考载波的子帧序号, 根据所述参 考载波的子帧序号确定所述第一辅载波的子帧序号; 利用所述第一辅载波 进行数据的上行接收和 /或下行传输。
由上述内容可知, 本发明实施例具有如下有益效果:
本发明实施例提供的一种确定辅载波传输方向的装置及方法, 根据网 络配置信息获取第一辅载波的参考载波, 根据所述参考载波中子帧的传输 方向确定第一辅载波中子帧的传输方向, 以使得参考载波与第一辅载波在 同一时刻的数据传输方向相同。 利用参考载波确定与其在相邻频带中传输 的第一辅载波的子帧的数据的传输方向, 保证参考载波和第一辅载波中同 时有数据传输时, 数据传输方向相同, 避免相邻频带同时传输不同方向的 数据时产生干扰。 附图说明 实施例或现有技术描述中所需要使用的附图作简单地介绍, 显而易见地, 下面描述中的附图仅仅是本发明的一些实施例, 对于本领域普通技术人员 来讲, 在不付出创造性劳动的前提下, 还可以根据这些附图获得其他的附 图。
图 1 为 FDD频带与 TDD频带之间的保护带示意图;
图 2 为 TDD频带中传输载波的子帧上下配比示意图;
图 3为本发明一种确定辅载波传输方向的装置实施例一结构示意图; 图 4 为第一辅载波的上行参考载波及下行参考载波示意图;
图 5为第一辅载波只传输上行数据时子帧传输方向示意图;
图 6为第一辅载波只传输下行数据时子帧传输方向示意图;
图 7为第一辅载波的两个参考载波示意图;
图 8为第一辅载波既传输上行数据也传输下行数据时子帧传输方向示 意图;
图 9为本发明一种数据传输设备实施例二结构示意图;
图 10为本发明一种辅载波数据传输设备实施例三结构示意图; 图 11为本发明一种确定辅载波传输方向的装置实施例四结构示意图; 图 12为本发明一种确定辅载波传输方向的方法实施例五流程图; 图 13为本发明一种辅载波数据传输方法实施例六流程图;
图 14为本发明一种辅载波数据传输方法实施例七流程图。 具体实施方式
为了给出在两个相邻频带中进行数据传输的实现方案, 本发明实施例 提供了一种确定辅载波传输方向的装置及方法, 以下结合说明书附图对本 发明的优选实施例进行说明, 应当理解, 此处所描述的优选实施例仅用于 说明和解释本发明, 并不用于限定本发明。 并且在不冲突的情况下, 本申 实施例一
图 3为本发明一种确定辅载波传输方向的装置实施例一结构示意图, 所述装置包括:
获取单元 301, 用于根据网络配置信息获取第一辅载波的参考载波。 所述第一辅载波与参考载波在相邻的两个频带中传输, 或者参考载波 与第一辅载波相邻的第二辅载波相同, 包括: 参考载波与第二辅载波的子 帧的传输方向配比相同, 以及参考载波与第二辅载波的子帧定时相同。 例 如网络配置了主载波, 第一辅载波, 第二辅载波, 其中第一辅载波, 第二 辅载波相邻, 并且主载波和第二辅载波的配比和子帧定时相同, 则此时参 考载波可以是第二辅载波, 也可以是主载波。
基站配置第一辅载波以及传输载波, 其中, 基站所配置的传输载波有 可能只包括主载波, 也有可能包括主载波以及至少一个第二辅载波。 参考 载波只有一个时, 参考载波有可能是主载波, 也有可能是一个第二辅载波; 当参考载波为两个时, 有可能是一个主载波以及一个第二辅载波, 也有可 能是两个第二辅载波, 根据实际情况进行设定。
预置的网络信息主要携带有根据第一辅载波所传输的频带所选定的参 考载波的标识。 所述预置的网络配置信息可以是基站预先配置的, 也可以 是移动终端预先配置的。 基站可以根据基站预先配置的预置的网络配置信 息获取第一辅载波的参考载波; 移动终端可以根据从基站所接收的预置的 网络配置信息或移动终端自身预先配置的预置的网络配置信息获取第一辅 载波的参考载波。
这里需要说明的是, 基站或移动终端一般依据下面原则预先设置网络 配置信息, 以第一辅载波为在 FDD与 TDD频带之间, 或 TDD中两个频带 之间的保护带中传输的载波为例:
当第一辅载波为在 FDD上行频带与 TDD频带之间的保护带中传输的 载波时,将 TDD频带上距离 FDD上行频带与 TDD频带之间的保护带最近 的载波作为参考载波;
当第一辅载波为在 FDD下行频带与 TDD频带之间的保护带中传输的 载波时,将 TDD频带上距离 FDD下行频带与 TDD频带之间的保护带最近 的载波作为参考载波;
当第一辅载波为在 TDD 频带中的两个频带之间的的保护带中传输的 载波时, 将保护带两边的两个 TDD频带作为参考载波。
这里需要说明的是, 第一辅载波还可以为在其他频带中传输的载波, 选择与第一辅载波在相邻频带中传输的载波作为参考载波即可。 确定单元 302, 用于根据所述参考载波中子帧的传输方向确定第一辅 载波中子帧的传输方向, 以使得参考载波与第一辅载波在同一时刻的数据 传输方向相同。
确定好参考载波后, 根据确定好的参考载波配置第一辅载波, 所述确 定单元 302有三种可能的结构:
第一种可能的结构, 所述第一辅载波为只传输上行数据的辅载波时,所 述确定单元 302包括:
第一确定子单元, 用于根据所述参考载波的上行传输子帧确定所述第 一辅载波的上行传输子帧;
或者,
第二确定子单元, 用于根据所述参考载波的特殊传输子帧中的上行传 输部分和 /或 GAP确定第一辅载波的特殊子帧的上行传输部分。
以所述第一辅载波为在频分双工 FDD上行频带与 TDD频带之间的保 护带中传输的载波为例进行说明:
FDD上行频带与 TDD频带之间的保护带中传输的第一辅载波只能在 TDD频带的参考载波进行上行数据传输时, 传输上行数据。 此时, FDD上 行频带,保护带以及距离保护带最近的参考载波所在的 TDD频带都进行上 行数据传输, 三者彼此之间不会产生干扰。
因此, 所述参考载波为距离 FDD上行频带与 TDD频带之间的保护带 最近的 TDD频带的载波。 如图 4所示, 所述参考载波为 TDD载波 1。 所 述参考载波为上行参考载波, 根据所述参考载波配置保护带辅载波的上行 数据传输部分。如图 5所示,参考载波与第一辅载波都是由 10个子帧组成, 参考载波中包括下行子帧、 上行子帧以及特殊子帧。
根据所述参考载波中子帧的传输方向确定第一辅载波中子帧的传输方 向包括:
对于正常子帧, 根据所述参考载波的上行传输子帧确定所述第一辅载 波的上行传输子帧。 如图 5所示, 参考载波的第 3子帧为上行传输子帧, 则配置第一辅载波的第 3子帧也为上行传输子帧。 对于特殊子帧, 根据所述参考载波的特殊传输子帧中的上行传输部分 和 /或 GAP 确定第一辅载波的特殊子帧的上行传输部分。 所述特殊子帧是 TDD 系统中上行转换的子帧, 所述特殊子帧包括一段下行传输符号 ( Downlink Pilot Time Slot, DWPTS ), 一段 GAP以及一段上行传输符号 ( Uplink Pilot Time Slot, UPPTS )。 如图 5所示, 参考载波的第 2子帧为 特殊子帧, 则第一辅载波的第 2子帧对应于参考载波中第 2子帧的 GAP和 上行传输符号的部分作为上行传输部分。 这里需要说明的是, 保护带辅载 波上与参考载波的 GAP对应的部分可以为上行传输部分,也可以为空白的 保护带。
在确定第一辅载波的子帧的传输方向时, 可以只根据所述参考载波的 上行传输子帧确定所述第一辅载波的上行传输子帧; 也可以根据所述参考 载波的特殊传输子帧中的上行传输部分和 /或 GAP 确定第一辅载波的特殊 子帧的上行传输部分; 还可以既根据所述参考载波的上行传输子帧确定所 述第一辅载波的上行传输子帧, 又根据所述参考载波的特殊传输子帧中的 上行传输部分和 /或 GAP 确定第一辅载波的特殊子帧的上行传输部分。 根 据具体需要进行具体设定, 这里不进行限定。
此时, 第一辅载波只有上行传输子帧, 其他的部分不进行数据传输, 即不接收数据, 也不发送数据。
第二种可能的结构, 所述第一辅载波为只传输下行数据的辅载波时, 所述确定单元 302包括:
第三确定子单元, 用于根据所述参考载波的下行传输子帧确定所述第 一辅载波的下行传输子帧;
和 /或,
第四确定子单元, 用于根据所述参考载波的特殊传输子帧中的下行传 输部分和 /或 GAP确定第一辅载波的特殊子帧的下行传输部分。
以所述第一辅载波为在频分双工 FDD下行频带与 TDD频带之间的保 护带中传输的载波为例进行说明:
FDD下行频带与 TDD频带之间的保护带中传输的第一辅载波只能在 TDD频带的参考载波进行下行数据传输时, 传输下行数据。 此时, FDD下 行频带, 保护带以及距离保护带最近的 TDD频带都进行下行数据传输, 三 者彼此之间不会产生干扰。
因此, 所述参考载波为距离 FDD下行频带与 TDD频带之间的保护带 最近的 TDD频带中所传输的载波。 如图 4所示, 所述参考载波为 TDD载 波 2。 所述参考载波为下行参考载波, 根据所述参考载波配置第一辅载波 的下行数据传输部分。 如图 6所示, 参考载波与第一辅载波都是由 10个子 帧组成, 参考载波中包括下行子帧、 上行子帧以及特殊子帧。 这里需要说 明的是, 当 TDD频带上只有一个主载波时, 上行参考载波与下行参考载波 都为 TDD频带上的主载波; 而当 TDD频带上有主载波以及至少一个 TDD 辅载波时, 上行参考载波一般与下行参考载波为不同的载波。 其中, 上行 参考载波为 FDD上行频带与 TDD频带之间的保护带辅载波的参考载波, 下行参考载波为 FDD下行频带与 TDD频带之间的保护带辅载波的参考载 波。
根据所述参考载波中子帧的传输方向确定第一辅载波中子帧的传输方 向包括:
对于正常子帧, 根据所述参考载波的下行传输子帧确定所述第一辅载 波的下行传输子帧。 如图 6所示, 参考载波的第 1子帧、 第 4子帧至第 10 子帧为下行传输子帧, 则确定第一辅载波的第 1子帧、 第 4子帧至第 10子 帧也为下行传输子帧。
对于特殊子帧, 根据所述参考载波的特殊传输子帧中的下行传输部分 和 /或 GAP确定第一辅载波的特殊子帧的下行传输部分。 如图 6所示, 参 考载波的第 2子帧为特殊子帧, 配置第一辅载波的第 2子帧对应于参考载 波中第 2子帧的 GAP和下行传输符号的部分作为下行传输部分。这里需要 说明的是, 第一辅载波上与参考载波的 GAP对应的部分可以为下行传输部 分, 也可以为空白的保护带。
在确定第一辅载波的子帧的传输方向时, 可以只根据所述参考载波的 下行传输子帧确定所述第一辅载波的下行传输子帧; 也可以根据所述参考 载波的特殊传输子帧中的下行传输部分和 /或 GAP 确定第一辅载波的特殊 子帧的下行传输部分; 还可以既根据所述参考载波的下行传输子帧确定所 述第一辅载波的下行传输子帧, 又根据所述参考载波的特殊传输子帧中的 下行传输部分和 /或 GAP 确定第一辅载波的特殊子帧的下行传输部分。 根 据具体需要进行具体设定, 这里不进行限定。
这里需要说明的是, 本实施例中所举的实例中, TDD载波 1 与 TDD 载波 2的子帧的传输方向上下配比相同, 并且子帧的定时也相同, 因此, 在预先设置网络配置信息时, 可以设置 TDD载波 1与 TDD载波 2任意一 个共同作为上行参考载波以及下行参考载波, 也可以设置 TDD载波 1 与 TDD载波 分别作为上行参考载波与下行参考载波。 但是当 TDD载波 1 与 TDD载波 2的上下配比关系不同时,则必须设置 TDD载波 1与 TDD载 波 2分别作为上行参考载波与下行参考载波。
此时, 第一辅载波只有下行传输子帧, 其他的部分不进行数据传输, 即不接收数据, 也不发送数据。
第三种可能的结构, 所述第一辅载波为既传输上行数据也传输下行数 据的辅载波时, 所述确定单元 302包括:
第五确定子单元、 第六确定子单元、 第七确定子单元以及第八确定子 单元任意一个或多个;
所述第五确定子单元, 用于当两个参考载波的第一位置的子帧都是上 行传输子帧时, 确定第一辅载波中第一位置的子帧为上行传输子帧;
所述第六确定子单元, 用于当两个参考载波的第二位置的子帧都是下 行传输子帧时, 确定第一辅载波中第二位置的子帧为下行传输子帧;
所述第七确定子单元, 用于当两个参考载波的第三位置的子帧有一个 特殊子帧时, 根据两个参考载波第三位置的子帧中都是上行传输部分和 /或 GAP确定第一辅载波中第三位置的子帧中的上行传输部分;
所述第八确定子单元, 用于当两个参考载波的第三位置的子帧有一个 特殊子帧时, 根据两个参考载波第三位置的子帧中都是下行传输部分和 /或 GAP确定第一辅载波中第三位置的子帧中的上行传输部分。
以所述第一辅载波为在 TDD 频带中的两个频带之间的的保护带中传 输的载波为例:
T D D频带中两个频带之间的保护带中传播的第一辅载波只能在两个频 此时, TDD 的两个频带以及两个频带之间的保护带都进行相同方向的数据传输, 三者 彼此之间不会产生干扰。
因此, 所述两个参考载波为保护带两边相邻的两个 TDD载波。 如图 7 所示, 所述两个参考载波为 TDD载波 3和 TDD载波 4。 如图 8所示, 两 个参考载波与第一辅载波都是由 10 个子帧组成, 参考载波中包括下行子 帧、 上行子帧以及特殊子帧, 两个参考载波分别为保护带两边与保护带相 邻的两个 TDD载波。
根据根据所述参考载波中子帧的传输方向确定第一辅载波中子帧的传 输方向包括:
对于正常子帧, 当两个参考载波的第一位置的子帧都是上行传输子帧 时, 确定第一辅载波中第一位置的子帧为上行传输子帧。 如图 8所示, 两 个参考载波的第 3子帧都为上行传输子帧, 确定第一辅载波的第 3子帧也 为上行传输子帧。 其中, 第一位置是泛指, 指的是两个参考载波对应位置 都是上行传输子帧时, 上行传输子帧所在参考载波的位置。 如图 8所示, 第一位置为两个参考载波第 3子帧的位置。
对于正常子帧, 当两个参考载波的第二位置的子帧都是下行传输子帧 时, 确定第一辅载波中第二位置的子帧为下行传输子帧。 如图 8所示, 两 个参考载波的第 1子帧、 第 5子帧、 第 6子帧以及第 10子帧都为下行传输 子帧, 确定第一辅载波的第 1子帧、 第 5子帧、 第 6子帧以及第 10子帧也 为下行传输子帧。 其中, 第二位置是泛指, 指的是两个参考载波对应位置 都是下行传输子帧时, 下行传输子帧所在参考载波的位置。 如图 8所示, 两个参考载波第 1子帧、 第 5子帧、 第 6子帧以及第 10子帧的位置都为第 二位置。
对于特殊子帧, 当两个参考载波的第三位置的子帧有一个特殊子帧时, 根据两个参考载波第三位置的子帧中都是上行传输部分和 /或 GAP 确定第 一辅载波中第三位置的子帧中的上行传输部分。 如图 8所示, 参考载波 1 的第 2子帧和第 7子帧, 参考载波 2的第 2子帧都为特殊子帧。 对于参考 载波 1的第 2子帧以及参考载波 2的第 2子帧, 确定第一辅载波的第 2子 帧的上行传输部分对应于参考载波 1的第 2子帧与参考载波 2的第 2子帧 中较短的上行传输符号部分。 确定第一辅载波的第 2子帧的上行传输部分 对应于参考载波 1的第 2子帧中上行传输符号部分。
这里需要说明的是, 对于参考载波 1的第 2子帧中的 GAP, 第一辅载 波其对应的部分可以配置为 GAP, 也可以配置为上行传输部分。 对于参考 载波 2第 2子帧中的 GAP, 保护带辅载波其对应的部分可以配置为 GAP, 也可以配置为下行传输部分。
对于参考载波 1的第 7特殊子帧, 参考载波 2的第 7子帧为下行传输 子帧, 确定第一辅载波的第 7子帧的下行传输部分对应于参考载波 1的第 7子帧与参考载波 2的第 7子帧中较短的下行传输符号部分。 如图 8所示, 参考载波 1的第 7子帧中下行传输符号分比参考载波 2的第 7子帧中下行 传输符号部分短, 确定第一辅载波的第 7子帧的下行传输部分与参考载波 1的第 7子帧中下行传输符号部分相同。
此时, 第一辅载波既有上行传输子帧, 也有下行传输子帧。 对于两个 参考载波的第四位置的子帧的传输方向不同的时, 第一辅载波的第四位置 不进行数据传输, 即不接收数据, 也不发送数据。
这里需要说明的是, 对于参考载波 1第 7子帧中的 GAP, 保护带辅载 波其对应的部分可以配置为 GAP, 也可以配置为下行传输部分。 第一辅载 波其他的部分, 由于参考载波 1和参考载波 2所对应的子帧的传输方向不 同, 作为保护带隔离参考载波 1 和参考载波 2, 不进行数据传输。 配置好 的保护带辅载波如图 8所示。
由上述内容可知, 本发明实施例具有以下有益效果:
根据网络配置信息获取第一辅载波的参考载波, 根据所述参考载波中 子帧的传输方向确定第一辅载波中子帧的传输方向, 以使得参考载波与第 一辅载波在同一时刻的数据传输方向相同。 利用参考载波确定与其在相邻 频带中传输的第一辅载波的子帧的数据的传输方向, 保证参考载波和第一 辅载波中同时有数据传输时, 数据传输方向相同, 避免相邻频带同时传输 不同方向的数据时产生干扰。 实施例二
图 9为本发明一种数据传输设备实施例二结构示意图, 应用于移动终 端, 由移动终端确定第一辅载波中子帧的传输方向, 所述设备包括:
接收装置 901, 用于接收基站配置的第一辅载波以及传输载波, 所述 传输载波包括主载波。
基站将配置好的第一辅载波和传输载波发送至移动终端, 其中, 传输 载波可以只包括一个主载波, 也可以包括一个主载波以及至少一个第二辅 载波。 基站在向移动终端发送配置好的第一辅载波和传输载波时, 还可以 向移动终端发送预置的网络配置信息, 所述预置的网络配置信息携带有参 考载波的标识。 当然, 基站也可以不向移动终端发送预置的网络配置信息, 而是在移动终端预先设置所述预置的网络配置信息。
权利要求 1-4任意一项所述的确定辅载波传输方向的装置 902, 用于 确定第一辅载波传输方向。
此处与实施例一类似, 参考实施例一的描述, 这里不再赘述。
边界确定装置 903, 用于检测所述参考载波的子帧边界, 根据所述参 考载波的子帧边界确定所述第一辅载波的子帧边界。
移动终端检测参考载波的子帧边界, 确定第一辅载波的子帧边界, 这 里主要是确定第一辅载波中对应于参考载波的特殊子帧中的上行数据传输 部分的边界或下行数据传输部分的边界。
如图 5所示, 确定所述第一辅载波的上行数据传输部分的左边界与所 述参考载波的第 2子帧的 GAP左边界相同, 当然, 还可以确定所述第一辅 载波的上行数据传输部分的左边界与所述参考载波的第 2子帧的上行传输 符号的部分的左边界相同。 驱动所述第一辅载波的上行数据传输部分的右 边界与所述参考载波的第 3子帧的上行传输子帧的边界相同。 由于所述参 考载波除上行传输子帧和间隙 GAP以外, 其他部分进行下行数据传输, 此 时, 为了避免 FDD上行频带与参考载波之间的干扰, 第一辅载波不进行数 据传输。 配置好的第一辅载波如图 5所示。
如图 6所示, 确定所述第一辅载波的下行数据传输部分与所述参考载 波的下行数据传输部分和 GAP的边界相同, 当然, 也可以仅确定所述第一 辅载波的下行数据传输部分与所述参考载波的下行数据传输部分的边界相 同。 由于所述参考载波除下行传输子帧和间隙 GAP以外, 其他部分进行上 行数据传输, 此时, 为了避免 FDD下行频带与参考载波之间的干扰, 保护 带不进行数据传输。 配置好的第一辅载波如图 6所示。
如图 8所示, 参考载波 1的第 2子帧中上行传输符号分比参考载波 2 的第 2子帧中上行传输符号部分短, 确定所述第一辅载波的第 2子帧的上 行传输部分与参考载波 1的第 2子帧中上行传输符号分的边界相同。 参考 载波 2的第 2子帧中下行传输符号分比参考载波 1的第 2子帧中下行传输 符号部分短, 确定第一辅载波的第 2子帧的下行传输部分与参考载波 2的 第 2子帧中下行传输符号分的边界相同。 参考载波 1的第 7子帧中下行传 输符号分比参考载波 2的第 7子帧中下行传输符号部分短, 确定第一辅载 波的第 7子帧的下行传输部分与参考载波 1的第 7子帧中下行传输符号分 的边界相同。
序号确定装置 904, 用于检测所述参考载波的子帧序号, 根据所述参 考载波的子帧序号确定所述第一辅载波的子帧序号。
移动终端检测参考载波的子帧序号, 根据参考载波的子帧序号依次确 定第一辅载波的子帧序号。
如图 5所示, 考载波的第 3子帧为上行传输子帧, 确定第一辅载波的 第 3子帧也为上行传输子帧。 参考载波的第 3子帧的序号为 2, 则确定第 一辅载波的中与所述参考载波的第 3子帧对应的子帧序号为 2。
如图 6所示, 参考载波的第 1子帧、 第 4子帧至第 10子帧为下行传输 子帧, 则确定第一辅载波的第 1子帧、 第 4子帧至第 10子帧也为下行传输 子帧。 参考载波的第 1 子帧序号为 0, 确定第一辅载波上与所述参考载波 的第 1子帧对应的子帧序号也为 0; 参考载波的第 4子帧序号为 3, 确定第 一辅载波上与所述参考载波的第 4子帧对应的子帧序号也为 3; 参考载波 的第 5子帧序号为 4, 确定第一辅载波上与所述参考载波的第 5子帧对应 的子帧序号也为 4; 参考载波的第 6子帧序号为 5, 确定第一辅载波上与所 述参考载波的第 6子帧对应的子帧序号也为 5; 参考载波的第 7子帧序号 为 6,确定第一辅载波上与所述参考载波的第 7子帧对应的子帧序号也为 6; 参考载波的第 8子帧序号为 7, 确定第一辅载波上与所述参考载波的第 8 子帧对应的子帧序号也为 7; 参考载波的第 9子帧序号为 8, 确定第一辅载 波上与所述参考载波的第 9子帧对应的子帧序号也为 8; 参考载波的第 10 子帧序号为 9, 确定第一辅载波上与所述参考载波的第 10子帧对应的子帧 序号也为 9。
如图 8所示, 两个参考载波的第 3子帧都为上行传输子帧, 确定第一 辅载波的第 3子帧也为上行传输子帧。 两个参考载波的第 3子帧的序号为 2, 确定第一辅载波的第 3子帧的序号也为 2。
如图 8所示, 两个参考载波的第 1子帧、 第 5子帧、 第 6子帧以及第 10子帧都为下行传输子帧, 确定第一辅载波的第 1子帧、 第 5子帧、 第 6 子帧以及第 10子帧也为上行传输子帧。 两个参考载波的第 1子帧的序号为 0, 确定第一辅载波的第 1子帧的序号也为 0; 两个参考载波的第 5子帧的 序号为 4, 确定第一辅载波的第 5子帧的序号也为 4; 两个参考载波的第 6 子帧的序号为 5, 确定第一辅载波的第 6子帧的序号也为 5; 两个参考载波 的第 10子帧的序号为 9, 配确定第一辅载波的第 10子帧的序号也为 9。
数据传输装置 905, 用于利用所述第一辅载波进行数据的上行传输和 / 或下行接收。
所述数据传输装置 905有三种可能的结构:
第一种可能的结构, 所述第一辅载波为只传输上行数据的辅载波时: 第一监测单元, 用于从传输载波监测针对第一辅载波的 PDCCH调度 信息, 所述 PDCCH调度信息包括 PDCCH格式 0、 PDCCH格式 3 以及 PDCCH格式 3A中的任意一种或多种;
第一传输单元, 用于根据所述 PDCCH调度信息利用所述第一辅载波 传输上行数据。
当第一辅载波只传输上行数据时, 第一辅载波中只有上行传输子帧, 移动终端只监测针对第一辅载波的上行数据传输调度信息。 则移动终端只 监测 PDCCH格式 0、 PDCCH格式 3以及 PDCCH格式 3A的 PDCCH调度 信息, 忽略 PDCCH格式 1, PDCCH格式 1A, PDCCH格式 1B, PDCCH 格式 1C, PDCCH格式 ID, PDCCH格式 2,以及 PDCCH格式 2 A的 PDCCH 调度信息, 减少盲检测 PDCCH调度信息的格式数量, 移动终端可以加快 针对第一辅载波的 PDCCH信息的处理。
其中, PDCCH格式 0或 PDCCH格式 3以及 PDCCH格式 3 A的 PDCCH 调度信息是由基站通过传输载波中的下行传输子帧发送至移动终端, 所述 传输载波为 TDD频带中的下行传输子帧中传输的载波或 FDD下行频带中 传输的载波。 移动终端根据所述 PDCCH调度信息利用所述第一辅载波向 基站传输上行数据。 并且所述移动终端不执行对针对第一辅载波的任何下 行信号的搜索和或测量。
第二种可能的结构, 所述第一辅载波为只传输下行数据的辅载波时: 第二监测单元, 用于从第一辅载波或传输载波监测第一辅载波的
PDCCH下行调度信息, 所述 PDCCH下行调度信息包括 PDCCH格式 1, PDCCH格式 1A, PDCCH格式 1B, PDCCH格式 1C, PDCCH格式 1D, PDCCH格式 2, 或 PDCCH格式 2A;
第二传输单元, 用于根据所述 PDCCH调度信息利用所述第一辅载波 接收下行数据。
当第一辅载波只传输下行数据时, 第一辅载波中只有下行传输子帧, 移动终端可以从第一辅载波或传输载波的下行传输子帧接收基站发送的 PDCCH调度信息, 则移动终端只监测 PDCCH格式 1, PDCCH格式 1A, PDCCH格式 1B, PDCCH格式 1C, PDCCH格式 1D, PDCCH格式 2, 以 及 PDCCH格式 2A中任意一个或多个 PDCCH调度信息, 忽略 PDCCH格 式 0、 PDCCH格式 3以及 PDCCH格式 3A的 PDCCH调度信息, 减少盲检 测 PDCCH 调度信息的格式数量, 移动终端可以加快针对第一辅载波的 PDCCH信息的处理。
第三种可能的结构, 所述第一辅载波为既传输上行数据也传输下行数 据的辅载波时:
第三监测单元, 用于监测第一辅载波的 PDCCH 调度信息, 所述 PDCCH调度信息包括 PDCCH上行调度信息和 PDCCH下行调度信息; 第三传输单元, 用于根据所述 PDCCH调度信息利用所述第一辅载波 传输上行数据和下行数据。 移动终端监测第一辅载波或传输载波的下行传输子帧发送的针对第 一辅载波的 PDCCH格式 0、 PDCCH格式 3以及 PDCCH格式 3 A的 PDCCH 调度信息, 根据所述 PDCCH调度信息利用第一辅载波的上行传输子帧向 基站传输上行数据。
移动终端监测基站从第一辅载波或传输载波的下行传输子帧发送的
PDCCH格式 1, PDCCH格式 1A, PDCCH格式 IB, PDCCH格式 1C, PDCCH 格式 1D, PDCCH格式 2, 以及 PDCCH格式 2A的任意一种或多种 PDCCH 调度信息, 根据所述 PDCCH调度信息利用所述第一辅载波接收下行数据。
此时, 移动终端既可以通过第一辅载波的下行传输子帧接收基站发送 的下行数据信息, 也可以通过第一辅载波的上行传输子帧向基站传输上行 数据洗信息。
由上述内容可知, 本实施例中还有以下有益效果:
本实施例中, 在移动终端中确定第一辅载波中子帧的传输方向。 实施例三
图 10 为本发明一种辅载波数据传输设备实施例三结构示意图, 应用 于基站, 由基站确定第一辅载波中子帧的传输方向, 所述设备包括:
配置装置 1001, 用于配置第一辅载波以及传输载波, 所述传输载波包 括主载波。
基站配置好第一辅载波以及传输载波, 所述传输载波至少包括一个主 载波, 还可以包括至少一个第二辅载波。
权利要求 1-4任意一项所述的确定辅载波传输方向的装置 1002, 用于 确定第一辅载波传输方向。
基站根据预设的网络配置信息确定第一辅载波中子帧的传输方向。 此处与实施例一类似, 参考实施例一的描述, 这里不再赘述。
发送装置 1003,用于将确定好传输方向的第一辅载波以及传输载波发 送至移动终端, 以便移动终端检测所述参考载波的子帧边界, 根据所述参 考载波的子帧边界确定所述第一辅载波的子帧边界; 检测所述参考载波的 子帧序号,根据所述参考载波的子帧序号确定所述第一辅载波的子帧序号; 利用所述第一辅载波进行数据的上行接收和 /或下行传输。
基站将确定好传输方向的第一辅载波以及所配置的传输载波发送至 移动终端。 移动终端检测所述参考载波的子帧边界, 根据所述参考载波的 子帧边界确定所述第一辅载波的子帧边界;检测所述参考载波的子帧序号, 根据所述参考载波的子帧序号确定所述第一辅载波的子帧序号; 利用所述 第一辅载波进行数据的上行接收和 /或下行传输。
由上述内容可知, 本发明还有如下有益效果:
本实施例中, 在基站中确定第一辅载波中子帧的传输方向, 移动终端 可以根据参考载波的确定第一辅载波子帧边界以及子帧序号。 实施例四
图 11为本发明一种确定辅载波传输方向的装置实施例四结构示意图, 所述装置包括:
存储器 1101 以及处理器 1102, 所述存储器 1101用于存储指令, 所述 处理器 1102用于调取指令, 所述指令包括:
根据网络配置信息获取第一辅载波的参考载波;
根据所述参考载波中子帧的传输方向确定第一辅载波中子帧的传输 方向, 以使得参考载波与第一辅载波在同一时刻的数据传输方向相同; 可选的, 所述第一辅载波为只传输上行数据的辅载波时, 所述根据所 述参考载波中子帧的传输方向确定第一辅载波中子帧的传输方向包括: 根据所述参考载波的上行传输子帧确定所述第一辅载波的上行传输 子帧;
和 /或,
根据所述参考载波的特殊传输子帧中的上行传输部分和 /或 GAP确定 第一辅载波的特殊子帧的上行传输部分。
可选的, 所述第一辅载波为只传输下行数据的辅载波时, 所述根据所 述参考载波中子帧的传输方向确定第一辅载波中子帧的传输方向包括: 根据所述参考载波的下行传输子帧确定所述第一辅载波的下行传输 子帧;
和 /或,
根据所述参考载波的特殊传输子帧中的下行传输部分和 /或 GAP确定 第一辅载波的特殊子帧的下行传输部分。
可选的, 所述第一辅载波为既传输上行数据也传输下行数据的辅载波 时, 所述根据所述参考载波中子帧的传输方向确定第一辅载波中子帧的传 输方向包括以下步骤任意一步或多步:
当两个参考载波的第一位置的子帧都是上行传输子帧时, 确定第一辅 载波中第一位置的子帧为上行传输子帧;
当两个参考载波的第二位置的子帧都是下行传输子帧时, 确定第一辅 载波中第二位置的子帧为下行传输子帧;
当两个参考载波的第三位置的子帧有一个特殊子帧时, 根据两个参考 载波第三位置的子帧中都是上行传输部分和 /或 GAP 确定第一辅载波中第 三位置的子帧中的上行传输部分;
当两个参考载波的第三位置的子帧有一个特殊子帧时, 根据两个参考 载波第三位置的子帧中都是下行传输部分和 /或 GAP 确定第一辅载波中第 三位置的子帧中的上行传输部分。 实施例五
图 12为本发明一种确定辅载波传输方向的方法实施例五流程图,所述 方法是与实施例一所述的装置所对应的方法, 所述方法包括:
步骤 1201 : 根据网络配置信息获取第一辅载波的参考载波。
步骤 1202: 根据所述参考载波中子帧的传输方向确定第一辅载波中子 帧的传输方向, 以使得参考载波与第一辅载波在同一时刻的数据传输方向 相同。
所述步骤 1202有三种可能的实施方式:
第一种可能的实施方式, 所述第一辅载波为只传输上行数据的辅载波 时, 所述根据所述参考载波中子帧的传输方向确定第一辅载波中子帧的传 输方向包括:
根据所述参考载波的上行传输子帧确定所述第一辅载波的上行传输子 帧;
和 /或,
根据所述参考载波的特殊传输子帧中的上行传输部分和 /或 GAP 确定 第一辅载波的特殊子帧的上行传输部分。
第二种可能的实施方式, 所述第一辅载波为只传输下行数据的辅载波 时, 所述根据所述参考载波中子帧的传输方向确定第一辅载波中子帧的传 输方向包括:
根据所述参考载波的下行传输子帧确定所述第一辅载波的下行传输子 帧;
和 /或,
根据所述参考载波的特殊传输子帧中的下行传输部分和 /或 GAP 确定 第一辅载波的特殊子帧的下行传输部分。
第三种可能的实施方式, 所述第一辅载波为既传输上行数据也传输下 行数据的辅载波时, 所述根据所述参考载波中子帧的传输方向确定第一辅 载波中子帧的传输方向包括以下步骤任意一步或多步:
当两个参考载波的第一位置的子帧都是上行传输子帧时, 确定第一辅 载波中第一位置的子帧为上行传输子帧;
当两个参考载波的第二位置的子帧都是下行传输子帧时, 确定第一辅 载波中第二位置的子帧为下行传输子帧;
当两个参考载波的第三位置的子帧有一个特殊子帧时, 根据两个参考 载波第三位置的子帧中都是上行传输部分和 /或 GAP 确定第一辅载波中第 三位置的子帧中的上行传输部分;
当两个参考载波的第三位置的子帧有一个特殊子帧时, 根据两个参考 载波第三位置的子帧中都是下行传输部分和 /或 GAP 确定第一辅载波中第 三位置的子帧中的上行传输部分。
步骤 1201与步骤 1202与实施例一类似, 参考实施例一的描述, 这里 不再赘述。 实施例六
图 13为本发明一种辅载波数据传输方法实施例六流程图,应用于移动 终端, 所述方法是与实施例二所述的设备所对应的方法, 所述方法包括: 步骤 1301 : 接收基站配置的第一辅载波以及传输载波, 所述传输载波 包括主载波。
步骤 1302: 根据实施例五所述的方法确定第一辅载波传输方向。
步骤 1303 : 检测所述参考载波的子帧边界, 根据所述参考载波的子帧 边界确定所述第一辅载波的子帧边界。
步骤 1304: 检测所述参考载波的子帧序号, 根据所述参考载波的子帧 序号确定所述第一辅载波的子帧序号。
步骤 1303和步骤 1304的执行顺序不进行具体限定, 也可以先执行步 骤 1304, 再执行步骤 1303 ; 也可以步骤 1303和步骤 1304同时执行。
步骤 1305 : 利用所述第一辅载波进行数据的上行传输和 /或下行接收。 所述步骤 1305有三种可能的实施方式:
第一种可能的实施方式, 所述第一辅载波为只传输上行数据的辅载波 时, 所述利用所述第一辅载波进行数据的上行传输包括:
从传输载波监测针对第一辅载波的 PDCCH调度信息,所述 PDCCH调 度信息包括 PDCCH格式 0、 PDCCH格式 3以及 PDCCH格式 3A中的任意 一种或多种;
根据所述 PDCCH调度信息利用所述第一辅载波传输上行数据。
第二种可能的实施方式, 所述第一辅载波为只传输下行数据的辅载波 时, 所述利用所述第一辅载波进行数据的下行传输包括:
从第一辅载波或传输载波监测第一辅载波的 PDCCH 下行调度信息, 所述 PDCCH下行调度信息包括 PDCCH格式 1, PDCCH格式 1A, PDCCH 格式 1B, PDCCH格式 1C, PDCCH格式 1D, PDCCH格式 2, 以及 PDCCH 格式 2A中的任意一种或多种;
根据所述 PDCCH调度信息利用所述第一辅载波接收下行数据。
第三种可能的实施方式, 所述第一辅载波为既传输上行数据也传输下 行数据的辅载波时, 所述利用所述第一辅载波进行数据的上行数据和下行 传输包括:
监测第一辅载波的 PDCCH 调度信息, 所述 PDCCH 调度信息包括 PDCCH上行调度信息和 PDCCH下行调度信息;
根据所述 PDCCH调度信息利用所述第一辅载波传输上行数据和下行 数据。
实施例六中,由移动终端确定第一辅载波中子帧的传输方向,步骤 1301 至步骤 1305与实施例二类似, 参考实施例二的描述, 这里不再赘述。 实施例七
图 14 为本发明一种辅载波数据传输方法实施例七流程图, 应用于基 站, 所述方法是与实施例三所述的设备所对应的方法, 所述方法包括: 步骤 1401 : 配置第一辅载波以及传输载波,所述传输载波包括主载波。 步骤 1402: 根据实施例五所述的方法确定第一辅载波传输方向。
步骤 1403 : 将确定好传输方向的第一辅载波以及传输载波发送至移动 终端。
移动终端检测所述参考载波的子帧边界, 根据所述参考载波的子帧边 界确定所述第一辅载波的子帧边界; 检测所述参考载波的子帧序号, 根据 所述参考载波的子帧序号确定所述第一辅载波的子帧序号; 利用所述第一 辅载波进行数据的上行接收和 /或下行传输。
实施例七中, 由基站确定第一辅载波中子帧的传输方向后再发送至移 动终端, 步骤 1401至步骤 1403与实施例三类似, 参考实施例三的描述, 这里不再赘述。
显然, 本领域的技术人员可以对本发明进行各种改动和变型而不脱离 本发明的精神和范围。 这样, 倘若本发明的这些修改和变型属于本发明权 利要求及其等同技术的范围之内, 则本发明也意图包含这些改动和变型在 内。

Claims

权 利 要 求
1、 一种确定辅载波传输方向的装置, 其特征在于, 所述装置包括: 获取单元, 用于根据网络配置信息获取第一辅载波的参考载波; 确定单元, 用于根据所述参考载波中子帧的传输方向确定第一辅载波 中子帧的传输方向, 以使得参考载波与第一辅载波在同一时刻的数据传输 方向相同。
2、 根据权利要求 1所述的装置, 其特征在于, 所述第一辅载波为只传 输上行数据的辅载波时, 所述确定单元包括:
第一确定子单元, 用于根据所述参考载波的上行传输子帧确定所述第 一辅载波的上行传输子帧;
和 /或,
第二确定子单元, 用于根据所述参考载波的特殊传输子帧中的上行传 输部分和 /或间隙 GAP确定第一辅载波的特殊子帧的上行传输部分。
3、 根据权利要求 1所述的装置, 其特征在于, 所述第一辅载波为只传 输下行数据的辅载波时, 所述确定单元包括:
第三确定子单元, 用于根据所述参考载波的下行传输子帧确定所述第 一辅载波的下行传输子帧;
和 /或,
第四确定子单元, 用于根据所述参考载波的特殊传输子帧中的下行传 输部分和 /或 GAP确定第一辅载波的特殊子帧的下行传输部分。
4、 根据权利要求 1所述的装置, 其特征在于, 所述第一辅载波为既传 输上行数据也传输下行数据的辅载波时, 所述确定单元包括:
第五确定子单元、 第六确定子单元、 第七确定子单元以及第八确定子 单元任意一个或多个;
所述第五确定子单元, 用于当两个参考载波的第一位置的子帧都是上 行传输子帧时, 确定第一辅载波中第一位置的子帧为上行传输子帧; 所述第六确定子单元, 用于当两个参考载波的第二位置的子帧都是下 行传输子帧时, 确定第一辅载波中第二位置的子帧为下行传输子帧;
所述第七确定子单元, 用于当两个参考载波的第三位置的子帧有一个 特殊子帧时, 根据两个参考载波第三位置的子帧中都是上行传输部分和 /或
GAP确定第一辅载波中第三位置的子帧中的上行传输部分;
所述第八确定子单元, 用于当两个参考载波的第三位置的子帧有一个 特殊子帧时, 根据两个参考载波第三位置的子帧中都是下行传输部分和 /或
GAP确定第一辅载波中第三位置的子帧中的上行传输部分。
5、 一种辅载波数据传输设备, 其特征在于, 应用于移动终端, 所述设 备包括:
接收装置, 用于接收基站配置的第一辅载波以及传输载波, 所述传输 载波包括主载波;
权利要求 1-4任意一项所述的确定辅载波传输方向的装置, 用于确定 第一辅载波传输方向;
边界确定装置, 用于检测所述参考载波的子帧边界, 根据所述参考载 波的子帧边界确定所述第一辅载波的子帧边界;
序号确定装置, 用于检测所述参考载波的子帧序号, 根据所述参考载 波的子帧序号确定所述第一辅载波的子帧序号;
数据传输装置, 用于利用所述第一辅载波进行数据的上行传输和 /或下 行接收。
6、 根据权利要求 5所述的设备, 其特征在于, 所述第一辅载波为只传 输上行数据的辅载波时, 所述数据传输装置包括:
第一监测单元, 用于从传输载波监测针对第一辅载波的物理下行控制 信道 PDCCH调度信息,所述 PDCCH调度信息包括 PDCCH格式 0、 PDCCH 格式 3以及 PDCCH格式 3A中的任意一种或多种;
第一传输单元, 用于根据所述 PDCCH调度信息利用所述第一辅载波 传输上行数据。
7、 根据权利要求 5所述的设备, 其特征在于, 所述第一辅载波为只传 输下行数据的辅载波时, 所述数据传输装置包括:
第二监测单元, 用于从第一辅载波或传输载波监测第一辅载波的 PDCCH下行调度信息, 所述 PDCCH下行调度信息包括 PDCCH格式 1, PDCCH格式 1A, PDCCH格式 1B, PDCCH格式 1C, PDCCH格式 1D, PDCCH格式 2, 或 PDCCH格式 2A;
第二传输单元, 用于根据所述 PDCCH调度信息利用所述第一辅载波 接收下行数据。
8、 据权利要求 5所述的设备, 其特征在于, 所述第一辅载波为既传输 上行数据也传输下行数据的辅载波时, 所述数据传输装置包括:
第三监测单元,用于监测第一辅载波的 PDCCH调度信息,所述 PDCCH 调度信息包括 PDCCH上行调度信息和 PDCCH下行调度信息;
第三传输单元, 用于根据所述 PDCCH调度信息利用所述第一辅载波 传输上行数据和下行数据。
9、 一种辅载波数据传输设备, 其特征在于, 应用于基站, 所述设备包 括:
配置装置, 用于配置第一辅载波以及传输载波, 所述传输载波包括主 载波;
权利要求 1-4任意一项所述的确定辅载波传输方向的装置, 用于确定 第一辅载波传输方向;
发送装置, 用于将确定好传输方向的第一辅载波以及传输载波发送至 移动终端, 以便移动终端检测所述参考载波的子帧边界, 根据所述参考载 波的子帧边界确定所述第一辅载波的子帧边界; 检测所述参考载波的子帧 序号, 根据所述参考载波的子帧序号确定所述第一辅载波的子帧序号; 利 用所述第一辅载波进行数据的上行接收和 /或下行传输。
10、 一种确定辅载波传输方向的方法, 其特征在于, 所述方法包括: 根据网络配置信息获取第一辅载波的参考载波、;
根据所述参考载波中子帧的传输方向确定第一辅载波中子帧的传输方 向, 以使得参考载波与第一辅载波在同一时刻的数据传输方向相同。
11、 根据权利要求 10所述的方法, 其特征在于, 所述第一辅载波为只 传输上行数据的辅载波时, 所述根据所述参考载波中子帧的传输方向确定 第一辅载波中子帧的传输方向包括:
根据所述参考载波的上行传输子帧确定所述第一辅载波的上行传输子 帧;
和 /或,
根据所述参考载波的特殊传输子帧中的上行传输部分和 /或间隙 GAP 确定第一辅载波的特殊子帧的上行传输部分。
12、 根据权利要求 10所述的方法, 其特征在于, 所述第一辅载波为只 传输下行数据的辅载波时, 所述根据所述参考载波中子帧的传输方向确定 第一辅载波中子帧的传输方向包括:
根据所述参考载波的下行传输子帧确定所述第一辅载波的下行传输子 帧;
和 /或,
根据所述参考载波的特殊传输子帧中的下行传输部分和 /或 GAP 确定 第一辅载波的特殊子帧的下行传输部分。
13、 根据权利要求 10所述的方法, 其特征在于, 所述第一辅载波为既 传输上行数据也传输下行数据的辅载波时, 所述根据所述参考载波中子帧 的传输方向确定第一辅载波中子帧的传输方向包括以下步骤任意一步或多 步:
当两个参考载波的第一位置的子帧都是上行传输子帧时, 确定第一辅 载波中第一位置的子帧为上行传输子帧;
当两个参考载波的第二位置的子帧都是下行传输子帧时, 确定第一辅 载波中第二位置的子帧为下行传输子帧;
当两个参考载波的第三位置的子帧有一个特殊子帧时, 根据两个参考 载波第三位置的子帧中都是上行传输部分和 /或 GAP 确定第一辅载波中第 三位置的子帧中的上行传输部分;
当两个参考载波的第三位置的子帧有一个特殊子帧时, 根据两个参考 载波第三位置的子帧中都是下行传输部分和 /或 GAP 确定第一辅载波中第 三位置的子帧中的上行传输部分。
14、 一种辅载波数据传输方法, 其特征在于, 应用于移动终端, 所述 方法包括:
接收基站配置的第一辅载波以及传输载波,所述传输载波包括主载波; 根据权利要求 10-13任意一项所述的方法确定第一辅载波传输方向; 检测所述参考载波的子帧边界, 根据所述参考载波的子帧边界确定所 述第一辅载波的子帧边界;
检测所述参考载波的子帧序号, 根据所述参考载波的子帧序号确定所 述第一辅载波的子帧序号;
利用所述第一辅载波进行数据的上行传输和 /或下行接收。
15、 根据权利要求 14所述的方法, 其特征在于, 所述第一辅载波为只 传输上行数据的辅载波时, 所述利用所述第一辅载波进行数据的上行传输 包括:
从传输载波监测针对第一辅载波的物理下行控制信道 PDCCH调度信 息, 所述 PDCCH调度信息包括 PDCCH格式 0、 PDCCH格式以及 PDCCH 格式 3A中的任意一种或多种;
根据所述 PDCCH调度信息利用所述第一辅载波传输上行数据。
16、 根据权利要求 14所述的方法, 其特征在于, 所述第一辅载波为只 传输下行数据的辅载波时, 所述利用所述第一辅载波进行数据的下行传输 包括:
从第一辅载波或传输载波监测第一辅载波的 PDCCH 下行调度信息, 所述 PDCCH下行调度信息包括 PDCCH格式 1, PDCCH格式 1A, PDCCH 格式 1B, PDCCH格式 1C, PDCCH格式 1D, PDCCH格式 2, 或 PDCCH 格式 2A;
根据所述 PDCCH调度信息利用所述第一辅载波接收下行数据。
17、 根据权利要求 14所述的方法, 其特征在于, 所述第一辅载波为既 传输上行数据也传输下行数据的辅载波时, 所述利用所述第一辅载波进行 数据的上行数据和下行传输包括:
监测第一辅载波的 PDCCH 调度信息, 所述 PDCCH 调度信息包括
PDCCH上行调度信息和 PDCCH下行调度信息;
根据所述 PDCCH调度信息利用所述第一辅载波传输上行数据和下行 数据。
18、 一种辅载波数据传输方法, 其特征在于, 应用于基站, 所述方法 包括:
配置第一辅载波以及传输载波, 所述传输载波包括主载波;
根据权利要求 10-13任意一项所述的方法确定第一辅载波传输方向; 将确定好传输方向的第一辅载波以及传输载波发送至移动终端, 以便 移动终端检测所述参考载波的子帧边界, 根据所述参考载波的子帧边界确 定所述第一辅载波的子帧边界; 检测所述参考载波的子帧序号, 根据所述 参考载波的子帧序号确定所述第一辅载波的子帧序号; 利用所述第一辅载 波进行数据的上行接收和 /或下行传输。
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