WO2015066885A1 - 一种数据传输的方法、装置及通信系统 - Google Patents

一种数据传输的方法、装置及通信系统 Download PDF

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Publication number
WO2015066885A1
WO2015066885A1 PCT/CN2013/086760 CN2013086760W WO2015066885A1 WO 2015066885 A1 WO2015066885 A1 WO 2015066885A1 CN 2013086760 W CN2013086760 W CN 2013086760W WO 2015066885 A1 WO2015066885 A1 WO 2015066885A1
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WO
WIPO (PCT)
Prior art keywords
carrier
data
interleaving
transmitting device
receiving device
Prior art date
Application number
PCT/CN2013/086760
Other languages
English (en)
French (fr)
Inventor
范叔炬
邵家枫
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 EP13897084.3A priority Critical patent/EP3057258A4/en
Priority to CN201380002741.7A priority patent/CN105122709A/zh
Priority to PCT/CN2013/086760 priority patent/WO2015066885A1/zh
Publication of WO2015066885A1 publication Critical patent/WO2015066885A1/zh
Priority to US15/148,672 priority patent/US20160254879A1/en

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Classifications

    • 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
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0071Use of interleaving
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1822Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
    • 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
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • 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
    • H04L5/0053Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055Physical resource allocation for ACK/NACK
    • 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
    • H04L5/006Quality of the received signal, e.g. BER, SNR, water filling

Definitions

  • the present invention relates to the field of communications, and in particular, to a data transmission method, apparatus, and communication system.
  • UMTS Universal Mobile Telecommunications System
  • WCDMA Wideband Code Division Multiple Access
  • HSDPA High Speed Downlink Packet Access
  • the channels involved in HSDPA include a downlink HS-PDSCH (High-Speed Physical Downlink Shared Channel) and a corresponding downlink HS-SCCH (High-Speed Shared Control Channel) and uplink HS- DPCCH (Uplink High-Speed Dedicated Physical Control Channel).
  • HS-PDSCH High-Speed Physical Downlink Shared Channel
  • SCCH High-Speed Shared Control Channel
  • uplink HS- DPCCH Uplink High-Speed Dedicated Physical Control Channel
  • each carrier corresponds to one HARQ (Hybrid Automatic Repeat Request), and the entity is configured as a non-MIMO (Multiple Input Multiple Output).
  • HARQ Hybrid Automatic Repeat Request
  • non-MIMO Multiple Input Multiple Output
  • the coding, modulation, interleaving, and HARQ retransmission processing used on each carrier are independent, and in actual use, the spectrum of the operator is often not necessarily a multiple of 5 MHz, and there may be some fragmentary carrier segments such as 2 ⁇ . , 3 MHz, 4MHz, etc., when these carriers exist, it is difficult for operators to deploy them to deploy UMTS networks. This makes the use of the carrier very inflexible, and the transmission performance of the carrier is also vulnerable. Summary of the invention
  • Embodiments of the present invention provide a data transmission method, apparatus, and communication system, which can improve carrier transmission performance and carrier flexibility.
  • a method of data transmission comprising:
  • the transmitting device generates control information corresponding to the data when transmitting data
  • the transmitting device carries the control information on the primary carrier and sends the information to the receiving device, where the primary carrier belongs to the first type of carrier;
  • the transmitting device transmits the data to the at least one second type carrier according to the control information and sends the data to the receiving device.
  • the sending, by the transmitting device, the data is carried on the at least one second type of carrier, and sent to the receiving device according to the control information, including:
  • the method before the transmitting device sends the data to the receiving device, the method further includes: the transmitting device Obtaining carrier interleaving indication information, where the carrier interlace indication information includes a carrier interlacing coefficient index and/or interleaving carrier index indication information;
  • the transmitting device interleaves data carried on at least two carriers according to the carrier interleaving indication information.
  • the transmitting by using the carrier interleaving indication information, the data carried on the at least two carriers is interleaved, including:
  • the transmitting apparatus when the carrier interlace indication information includes a carrier interlace coefficient index, the transmitting apparatus generates a carrier interlace coefficient according to the carrier interlace coefficient index;
  • the transmitting device interleaves data carried on at least two carriers according to the carrier interleaving coefficient.
  • the transmitting by using the carrier interleaving indication information, the data carried on the at least two carriers, including:
  • the transmitting apparatus advances data carried on the at least two carriers according to the interleaved carrier index indication information. Line interleaving.
  • the transmitting device after the data is carried on the at least one second type carrier, and sent to the receiving device according to the control information, further includes:
  • the transmitting device performs physical channel segmentation on the carrier according to a chip rate of each carrier, a number of code channels selected on each carrier, a modulation mode, and a maximum number of bits carried by each code channel;
  • R is the chip rate
  • T is the transmission time interval
  • SF is the spreading factor
  • K is the number of codes
  • m is the modulation order.
  • the method before the generating the control information corresponding to the data, the method further includes:
  • the transmitting device receives channel quality information sent by the receiving device
  • the transmitting device adjusts the capacity of the data transmitted on each carrier based on the channel quality information.
  • the method further includes:
  • the transmitting device receives a hybrid automatic repeat request acknowledgement message sent by the receiving device.
  • the second aspect is a data transmission method, including:
  • the receiving device receives data on at least one second type of carrier according to the control information.
  • the receiving data on the at least one second type of carrier according to the control information includes:
  • the receiving device receives the data on at least one of the second type of carriers and at least one of the first type of carriers according to the control information.
  • the method before the receiving device receives the control information sent by the transmitting device on the primary carrier, the method further includes: The receiving apparatus acquires carrier interlace indication information, where the carrier interlace indication information includes a carrier interlace coefficient index and/or interleave carrier index indication information;
  • the receiving device receives data on at least two carriers according to the control information; the receiving device deinterleaves data carried on at least two carriers according to the carrier interleaving indication information.
  • the method before the receiving device receives the control information sent by the transmitting device on the primary carrier, the method further includes:
  • the receiving device measures channel quality of the first type of carrier and the second type of carrier, generates channel quality information, and sends the channel quality information to the transmitting device.
  • the method further includes:
  • the receiving device demodulates and decodes the data, generates a hybrid automatic repeat request acknowledgement message according to the result of the demodulation and decoding, and transmits the hybrid automatic repeat request acknowledgement message to the transmitting device.
  • a transmitting device includes:
  • control unit configured to: when the transmitting device sends data, generate control information corresponding to the data, and send the control information to a sending unit;
  • the sending unit is configured to receive the control information sent by the control unit, send the control information on a primary carrier, and send the data to a receiving device, where the data is carried in at least one second class according to the control information.
  • the carrier is sent to the receiving device, where the primary carrier belongs to a first type of carrier.
  • the sending unit is further configured to receive the control information sent by the control unit, and send the data to the at least one second type carrier and the at least one first type carrier according to the control information. To the receiving device.
  • the transmitting apparatus further includes a receiving unit, where the sending unit includes an interleaving sub-list Yuan
  • the receiving unit is configured to obtain carrier interleave indication information, and send the carrier interlace indication information to the interleaving subunit, where the carrier interlace indication information includes a carrier interlace coefficient index and/or an interleave carrier index indication information. ;
  • the interleaving subunit is configured to receive the carrier interlace indication information sent by the receiving unit, and interleave data carried on at least two carriers according to the carrier interleaving indication information.
  • the interleaving subunit is further configured to: when the carrier interleaving indication information includes the carrier interlacing coefficient index, generate a carrier interlacing coefficient according to the carrier interlacing coefficient index, and perform at least two carriers according to the carrier interlacing coefficient The carried data is interleaved.
  • the interleaving subunit is further configured to: when the carrier interlace indication information includes the interleaved carrier index indication information, interleave data carried on the at least two carriers according to the interleaved carrier index indication information.
  • the control unit is further configured to perform physical channel segmentation on the carrier according to a chip rate of each carrier, a number of code channels selected on each carrier, a modulation mode, and a maximum number of bits carried by each code channel;
  • R is the chip rate
  • T is the transmission time interval
  • SF is the spreading factor
  • K is the number of codes
  • m is the modulation order.
  • the transmitting device further includes a receiving unit
  • the receiving unit is configured to receive channel quality information sent by the receiving device, and send the channel quality information to the control unit;
  • the control unit is further configured to receive the channel quality information sent by the receiving unit, and adjust a capacity of data transmitted on each carrier according to the channel quality information.
  • the transmitting device further includes Receiving unit
  • the receiving unit is configured to receive a hybrid automatic repeat request acknowledgement message sent by the receiving device.
  • a receiving device includes:
  • a receiving unit configured to receive control information sent by the transmitting device on the primary carrier, and receive data on the at least one second type of carrier according to the control information, where the primary carrier belongs to the first type of carrier.
  • the receiving unit is further configured to receive the data on the at least one of the second type of carriers and the at least one of the first type of carriers according to the control information.
  • the receiving device further includes a sending unit, where the receiving unit includes an interleaving subunit;
  • the receiving unit is configured to acquire carrier interleave indication information, where the carrier interleave indication information includes a carrier interlace coefficient index and/or interleave carrier index indication information;
  • the receiving unit is further configured to receive data on at least two carriers according to the control information
  • the interleaving subunit is configured to deinterleave data carried on at least two carriers according to the carrier interleaving indication information.
  • the receiving device further includes a measuring unit and a sending unit;
  • the measuring unit is configured to measure channel quality of the first type of carrier and the second type of carrier, generate channel quality information, and send the channel quality information to the sending unit;
  • the sending unit is configured to receive the channel quality information sent by the measuring unit, and send the channel quality information to the transmitting device.
  • the receiving device further includes a demodulation unit and a sending unit;
  • the receiving unit is further configured to send the data to the demodulation unit;
  • the demodulation unit is configured to receive the data sent by the receiving unit, demodulate and decode the data, generate a hybrid automatic repeat request confirmation message according to the result of the demodulation and decoding, and Transmitting a hybrid automatic repeat request acknowledgement message to the sending unit;
  • the sending unit is configured to receive the hybrid automatic repeat request acknowledgement message sent by the demodulation unit, and send the hybrid automatic repeat request acknowledgement message to the transmitting device.
  • a transmitting device includes: a processor and a memory connected through a data bus, and a transmitter respectively connected to the processor and the memory;
  • the processor is configured to generate control information corresponding to the data when the transmitting device sends data
  • the processor is further configured to send the control information on the primary carrier by using the transmitter, and send the data to a receiving device according to the control information, and send the data to the at least one second type carrier according to the control information.
  • the receiving device where the primary carrier belongs to a first type of carrier.
  • the processor is further configured to send, by the transmitter, the data to the at least one of the second type of carriers and the at least one of the first type of carriers, according to the control information, to the receiving device.
  • the transmitting device further includes a receiver connected to the data bus;
  • the processor is further configured to acquire, by using the receiver, carrier interleave indication information, where the carrier interlace indication information includes a carrier interlace coefficient index and/or an interleave carrier index indication information, where the carrier interleave indication information is to be at least The data carried on the two carriers is interleaved.
  • the processor is further configured to: when the carrier interlace indication information includes a carrier interlace coefficient index, generate a carrier interlace coefficient according to the carrier interlace coefficient index, and perform data carried on at least two carriers according to the carrier interlace coefficient Interlace.
  • the processor is further configured to: when the carrier interlace indication information includes an interlaced carrier index indication And the information carried on the at least two carriers is interleaved according to the interleaved carrier index indication information.
  • the processor is further configured to perform physical channel segmentation on the carrier according to a chip rate of each carrier, a number of code channels selected on each carrier, a modulation mode, and a maximum number of bits carried by each code channel;
  • R is the chip rate
  • T is the transmission time interval
  • SF is the spreading factor
  • K is the number of codes
  • m is the modulation order.
  • the transmitting device further includes a receiver connected to the data bus;
  • the processor is further configured to receive channel quality information sent by the receiving device by using the receiver, and adjust a capacity of data transmitted on each carrier according to the channel quality information.
  • the transmitting device further includes a receiver connected to the data bus;
  • the processor is further configured to receive, by the receiver, a hybrid automatic retransmission request acknowledgement message sent by the receiving device.
  • a receiving apparatus includes: a processor and a memory connected through a data bus, and a receiver respectively connected to the processor and the memory;
  • the processor is configured to receive, by using the receiver, control information sent by a transmitting device on a primary carrier, and receive data on at least one second type of carrier according to the control information, where the primary carrier belongs to the first A class of carriers.
  • the processor is further configured to receive, by the receiver, the data on at least one of the second type of carriers and the at least one of the first type of carriers according to the control information.
  • the receiving device further includes a transmitter connected to the data bus;
  • the processor is further configured to acquire carrier interleave indication information by using the receiver, where the carrier interleave indication information includes a carrier interlace coefficient index and/or interleave carrier index indication information, and the processor is further configured to: Control information is passed through the receiver for at least two The data is received on the wave, and the data carried on the at least two carriers is deinterleaved according to the carrier interleaving indication information.
  • the receiving device further includes a transmitter connected to the data bus;
  • the processor is further configured to measure channel quality of the first type of carrier and the second type of carrier, generate channel quality information, and send the channel quality information to the transmitting by using the transmitter. Device.
  • the receiving device further includes a transmitter connected to the data bus;
  • the processor is further configured to: demodulate and decode the data, generate a hybrid automatic repeat request acknowledgement message according to the decoding result, and send the hybrid automatic repeat request acknowledgement message to the transmitter interface to the The transmitting device.
  • a communication system includes: a transmitting device and a receiving device,
  • the transmitting device is the transmitting device according to any one of the possible implementations of the third aspect or the third aspect, wherein the receiving device is in any one possible implementation manner of the fourth aspect or the fourth aspect The receiving device;
  • the transmitting device is the transmitting device according to any one of the possible implementations of the fifth aspect or the fifth aspect, wherein the receiving device is the sixth aspect or any one of the possible implementation manners of the sixth aspect Receiving device.
  • the data transmission method, device and communication system provided by the embodiment of the present invention generate control information corresponding to the data when the transmitting device transmits data, and transmit the control information on the primary carrier to the receiving device, and send the data according to the control information.
  • the bearer is transmitted to the receiving device on at least one second type of carrier, which improves the transmission performance of the carrier and the flexibility of carrier use.
  • FIG. 1 is a schematic flowchart of a data transmission method according to an embodiment of the present invention
  • 2 is a schematic flowchart of another data transmission method according to an embodiment of the present invention
  • FIG. 3 is a schematic flowchart of still another data transmission method according to an embodiment of the present invention
  • Schematic diagram of carrier classification
  • FIG. 5 is a schematic structural diagram of a transmitting apparatus according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a receiving apparatus according to an embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a transmitting apparatus according to another embodiment of the present invention
  • FIG. 8 is a schematic structural diagram of a receiving apparatus according to another embodiment of the present invention
  • FIG. 9 is a schematic diagram of an embodiment of the present invention. Schematic diagram of the communication system architecture.
  • an embodiment of the present invention provides a data transmission method, which is applied to a transmitting device.
  • the method includes:
  • the transmitting device generates control information corresponding to the data when transmitting the data.
  • the control information includes a carrier set, a channel coding set, a modulation mode, a HARQ process number, a transport block length, a redundancy version, and a constellation diagram.
  • each code channel information of each carrier may be carried on a respective carrier. Transfer with data.
  • the transmitting device may be a base station or a user equipment.
  • the transmitting device carries the control information on the primary carrier and sends the information to the receiving device.
  • the primary carrier belongs to the first type of carrier.
  • the second type of carrier is attached to the first type of carrier, and is mainly used for data transmission.
  • the network side determines which carrier is the primary carrier and informs the transmitting device.
  • the transmitting device carries the data on the at least one second type carrier according to the control information and sends the data to the receiving device.
  • the second type of carrier used for carrying data transmission belongs to the secondary carrier.
  • the data channel of all the second type of carriers is used as a resource pool of the whole, and a control channel is used for data transmission.
  • the control information corresponding to the data is generated, and the control information is carried on the primary carrier and sent to the receiving device, and the data is carried in at least one according to the control information.
  • the second type of carrier is transmitted to the receiving device, which improves the transmission performance of the carrier and the flexibility of carrier use.
  • An embodiment of the present invention provides another method for data transmission, which is applied to a receiving device.
  • the method includes:
  • the receiving device receives, on the primary carrier, control information sent by the transmitting device.
  • the primary carrier belongs to the first type of carrier.
  • the receiving device may be a base station or a user equipment.
  • the receiving device receives data on the at least one second type carrier according to the control information.
  • the second type of carrier used to carry data belongs to the secondary carrier.
  • the data transmission method provided by the embodiment of the present invention receives, by the receiving device, the control information sent by the transmitting device on the primary carrier, and the at least one second type of carrier according to the control information, according to the manner that the transmitting device sends the data according to the transmitting device.
  • Receiving data on the carrier improves the transmission performance of the carrier and the flexibility of carrier use.
  • an embodiment of the present invention provides another method for data transmission, where the method includes:
  • the receiving device measures channel quality of the first type of carrier and the second type of carrier, generates channel quality information, and sends the channel quality information to the transmitting device.
  • the receiving device may be a base station or a user equipment
  • the transmitting device may be a base station or a user equipment
  • the transmitting device adjusts a capacity of the data transmitted on each carrier according to the channel quality information.
  • the network side determines and notifies the transmitting device which carrier is used as the primary carrier, and which carriers are used as the secondary carrier.
  • the transmitting device adjusts the capacity of the transmission data on each carrier based on the channel quality information, but the channel quality information is not the only basis for the transmitting device to adjust the transmission data capacity on each carrier.
  • the transmitting device performs physical channel segmentation on the carrier according to the chip rate of each carrier, the number of code channels selected on each carrier, the modulation mode, and the maximum number of bits carried by each code channel, so as to transmit data.
  • R is the chip rate
  • T is the transmission time interval
  • SF is the spreading factor
  • K is the number of code channels
  • m is the modulation order.
  • the transmitting device generates control information corresponding to the data when the data is sent.
  • the control information includes a carrier set, a channel coding set, a modulation mode, a HARQ process number, a transport block length, a redundancy version, and a constellation diagram.
  • the code channel information of each carrier and the like may be carried on the respective carriers and transmitted together with the data.
  • the transmitting device carries the control information on the primary carrier and sends the information to the receiving device.
  • the transmitting device carries data to the at least one second type carrier according to the control information or sends the data to the receiving device by carrying the data on the at least one first type carrier and the at least one second type carrier.
  • secondary carriers other carriers than the primary carrier are collectively referred to as secondary carriers, and data can be carried on all carriers for transmission.
  • the data is transmitted on the second type of carrier, if all the data channels of the first type carrier and the second type carrier are used as the unified resource pool.
  • data can be transmitted on the first type of carrier and the second type of carrier.
  • the primary carrier belongs to the first type of carrier, and data can also be transmitted.
  • the first type of carrier has a control channel and a data channel
  • the second type of carrier has only a data channel.
  • the primary carrier belongs to the first type of carrier, and the first type of carrier except the primary carrier and all the second type of carriers are secondary carriers.
  • the primary carrier can also carry data, and the secondary carrier is used to carry data.
  • each secondary carrier can also carry code channel information of the respective carrier. Therefore, when carrying data, one or more second type carrier carrying data may be selected, or one or more second type carriers and one or more first type carrier carrying data may be selected.
  • the receiving device demodulates and decodes the received data, generates a hybrid automatic repeat request acknowledgement message according to the result of the demodulation and decoding, and sends a hybrid automatic repeat request acknowledgement message to the transmitting device.
  • the hybrid automatic repeat request is used to inform the transmitting device whether the data transmission is successful, and if it is unsuccessful, it needs to be resent.
  • the transmitting device is configured with multiple carriers, the data on different carriers may be interleaved before the data is sent, and the specific interleaving method includes:
  • the transmitting device acquires carrier interleaving indication information.
  • the carrier interlace indication information includes a carrier interlace coefficient index and/or interleaved carrier index indication information.
  • the carrier interlace indication information is sent by the network side to the transmitting device.
  • the transmitting device interleaves the data carried on the at least two carriers according to the carrier interleaving indication information.
  • the transmitting device When the carrier interlace indication information includes a carrier interlace coefficient index, the transmitting device generates a carrier interlace coefficient according to the carrier interlace coefficient index, and interleaves the data carried on the at least two carriers according to the carrier interlace coefficient.
  • the transmitting device interleaves the data carried on the at least two carriers according to the interleaved carrier index indication information.
  • the interleaved carrier index indication information is a parity indication, and may be interleaved by several carriers whose carrier index number is an odd number, and the carrier index number is an even number of carriers, and how to interleave according to the specific indication of the carrier index indication information;
  • the interleaved carrier index indication information is an adjacent indication, and may be interleaved by carriers with carrier index numbers 1 and 2, interlaced by carriers with carrier index numbers 3 and 4, or carrier index numbers of 1, 2, 3, 4
  • the carrier is interleaved, and carriers with carrier index numbers 5, 6, 7, and 8 are interleaved, and how to interleave according to the specific indication of the carrier index indication information;
  • the interleaved carrier index indication information is a carrier indication, that is, a carrier that directly indicates interleaving.
  • the carrier interlace may include:
  • A data block interleaving, before the formation of the codeword or stream, after the spread spectrum is added;
  • the receiving device After receiving the data sent by the transmitting device, the receiving device acquires carrier interlace indication information from the network side, and deinterleaves the data carried on the at least two carriers according to the carrier interleaving indication information.
  • the transmitting device transmits data
  • the control information corresponding to the data is generated, and the control information is carried on the primary carrier and sent to the receiving device, and the data is carried in at least one according to the control information.
  • the second type of carrier is transmitted to the receiving device, which improves the transmission performance of the carrier and the flexibility of carrier use.
  • the embodiment of the present invention provides a transmitting device 50.
  • the transmitting device 50 includes a transmitting unit 502 and a control unit 501, and the transmitting unit 502 and the control unit 501 are connected to each other.
  • the control unit 501 is configured to generate control information corresponding to the data when the transmitting device 50 transmits data, and send the control information to the sending unit 502.
  • the sending unit 502 is configured to receive the control information sent by the control unit 501, send the control information on the primary carrier, and send the data to the receiving device, and send the data to the receiving device according to the control information, where the data is sent to the receiving device, where
  • the carrier belongs to the first type of carrier.
  • the transmitting device provided by the embodiment of the present invention generates control information corresponding to the data, transmits the control information on the primary carrier, and sends the control information to the receiving device, and carries the data to the at least one second type carrier according to the control information.
  • the transmission to the receiving device improves the transmission performance of the carrier and the flexibility of carrier use.
  • the transmitting device 50 further includes a receiving unit 503, the sending unit 502 includes a cross-sub-unit 521, and the receiving unit 503 is connected to the control unit 501 and the sending unit 502.
  • the sending unit 502 is further configured to receive control information sent by the control unit 501, and send the data to the receiving device according to the control information, by carrying the data on the at least one second type carrier and the at least one first type carrier.
  • the data is transmitted on the second type of carrier, if all the data channels of the first type carrier and the second type carrier are used as the unified resource pool.
  • data can be transmitted on the first type of carrier and the second type of carrier. In this case, since the primary carrier belongs to the first type of carrier, data can also be transmitted.
  • the receiving unit 503 is configured to obtain carrier interleave indication information, and send carrier interleave indication information to the interleaving subunit 521, where the carrier interlace indication information includes a carrier interlace coefficient index and/or interleave carrier index indication information.
  • the interleaving subunit 521 is configured to receive the carrier interleaving indication information sent by the receiving unit 503, and interleave the data carried on the at least two carriers according to the carrier interleaving indication information.
  • the interleaving sub-unit 521 is further configured to: when the carrier interlace indication information includes a carrier interlace coefficient index, generate a carrier interlace coefficient according to the carrier interlace coefficient index, and interleave data carried on at least two carriers according to the carrier interleaving coefficient.
  • the interleaving subunit 521 is further configured to: when the carrier interlace indication information includes the interleaved carrier index indication information, interleave data carried on the at least two carriers according to the interleaved carrier index indication information.
  • the control unit 501 is further configured to perform physical channel segmentation on the carrier according to a chip rate of each carrier, a number of code channels selected on each carrier, a modulation mode, and a maximum number of bits carried by each code channel;
  • R is the chip rate
  • T is the transmission time interval
  • SF is the spreading factor
  • K is the number of codes
  • m is the modulation order.
  • the receiving unit 503 is further configured to receive channel quality information sent by the receiving device, and send the channel quality information to the control unit 501.
  • the control unit 501 is further configured to receive channel quality information sent by the receiving unit 503, and adjust a capacity of the data transmitted on each carrier according to the channel quality information.
  • the channel quality information is only a basis for the transmitting device 50 to adjust the capacity of the data transmitted on each carrier, but it is not the only basis.
  • the receiving unit 503 is further configured to receive a hybrid automatic repeat request sent by the receiving device.
  • the hybrid automatic repeat request is used to inform the transmitting device 50 whether the data transmission is successful, and if it is unsuccessful, it needs to be resent.
  • the transmitting device provided by the embodiment of the present invention generates control information corresponding to the data, transmits the control information on the primary carrier, and sends the control information to the receiving device, and carries the data to the at least one second type carrier according to the control information.
  • the transmission to the receiving device improves the transmission performance of the carrier and the flexibility of carrier use.
  • Embodiments of the present invention provide a receiving device 60.
  • the receiving device 60 includes a receiving unit 601.
  • the receiving unit 601 is configured to receive control information sent by the transmitting device on the primary carrier, and further Data is received on at least one second type of carrier based on the control information.
  • the primary carrier belongs to a first type of carrier.
  • the receiving device receives the control information sent by the transmitting device on the primary carrier by receiving the data corresponding to the transmitting device, and receives the data on the at least one second type carrier according to the control information. Improve carrier transmission performance and carrier flexibility.
  • the receiving device 60 may further include a sending unit 602, a measuring unit 603, and a demodulating unit 604, where the receiving unit 601 includes an interleaving subunit 61 1 .
  • the transmitting unit 602 is connected to the receiving unit 601, the measuring unit 603, and the demodulating unit 604, and the receiving unit 601 and the demodulating unit 604 are connected to each other.
  • the receiving unit 601 is further configured to receive data on the at least one second type carrier and the at least one first type carrier according to the control information.
  • the transmitting device On which carriers the received data and the transmitting device transmit data corresponding to each other, if the transmitting device transmits the data on the second type of carrier, the data is received on the second type of carrier, if the transmitting device carries the data in the first The class carrier and the second type of carrier transmit data, and receive data on the first type of carrier and the second type of carrier.
  • the receiving unit 601 is further configured to acquire carrier interlace indication information.
  • the carrier interlace indication information includes a carrier interlace coefficient index and/or interleaved carrier index indication information.
  • the receiving unit 601 is further configured to receive data on the at least two carriers according to the control information.
  • the interleaving subunit 61 1 is configured to deinterleave data carried on the at least two carriers according to the carrier interleaving indication information.
  • the measuring unit 603 is configured to measure channel quality of the first type of carrier and the second type of carrier, generate channel quality information, and send the channel quality information to the sending unit 602.
  • the sending unit 602 is configured to receive channel quality information sent by the measuring unit 603, and send the channel quality information to the transmitting device.
  • the receiving unit 601 is further configured to send data to the demodulation unit 604.
  • the demodulation unit 604 is configured to receive data sent by the receiving unit 601, demodulate and decode the data, generate a hybrid automatic repeat request acknowledgement message according to the result of the demodulation and decoding, and send a hybrid automatic repeat request acknowledgement message to the Transmitting unit 602.
  • the sending unit 602 is configured to receive the hybrid automatic repeat request acknowledgement message sent by the demodulation unit 604, and send the hybrid automatic repeat request acknowledgement message to the transmitting device.
  • the receiving device receives the control information sent by the transmitting device on the primary carrier by receiving the data corresponding to the transmitting device, and receives the data on the at least one second type carrier according to the control information. Improve carrier transmission performance and carrier flexibility.
  • Embodiments of the present invention provide a transmitting apparatus 7001.
  • the apparatus may be embedded or itself a microprocessor computer, such as a general-purpose computer, a custom machine, a mobile terminal, or a tablet, and the like.
  • the 7001 includes: at least one processor 701 1 , a memory 7012, a bus 7013, and a transmitter 7014.
  • the at least one processor 7011, the memory 7012, and the transmitter 7014 are connected by a bus 7013 and complete communication with each other.
  • the bus 7013 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus. Wait.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus 7013 can be divided into an address bus, a bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 7, but it does not mean that there is only one bus or one type of bus.
  • the memory 7012 is configured to store executable program code, the program code including computer operating instructions.
  • the memory 7012 may include a high speed RAM memory 7012 and may also include a non-volatile memory 7012, such as at least one disk memory 7012.
  • the processor 701 1 may be a central processing unit (Central Processing Unit, hereinafter referred to as CPU), or an Application Specific Integrated Circuit (ASIC), or one configured to implement the embodiment of the present invention. Or multiple integrated circuits.
  • CPU Central Processing Unit
  • ASIC Application Specific Integrated Circuit
  • the transmitter 7014 is mainly used to implement the transmission of data and information in the embodiment.
  • the processor 701 1 is configured to generate control information corresponding to the data when the transmitting device 7001 sends data.
  • the processor 7011 is further configured to send the control information on the primary carrier to the receiving device by using the transmitter 7014, and send the data to the at least one second type carrier according to the control information and send the data to the receiving device.
  • the primary carrier belongs to the first type of carrier.
  • the transmitting device provided by the embodiment of the present invention generates control information corresponding to the data, transmits the control information on the primary carrier, and sends the control information to the receiving device, and carries the data to the at least one second type carrier according to the control information.
  • the transmission to the receiving device improves the transmission performance of the carrier and the flexibility of carrier use.
  • the processor 7011 is further configured to send the data to the receiving device by using the transmitter 7014 to carry the data on the at least one second type carrier and the at least one first type carrier according to the control information.
  • the transmitting device 7001 further includes a receiver 7015 connected to the bus 7013.
  • the processor 7011 is further configured to acquire carrier interleave indication information by using the receiver 7015, where the carrier interleave indication information includes a carrier interlace coefficient index and/or interleave carrier index indication information, and is carried on at least two carriers according to carrier interleave indication information.
  • the data is interleaved.
  • the processor 7011 is further configured to: when the carrier interlace indication information includes a carrier interlace coefficient index, generate a carrier interlace coefficient according to the carrier interlace coefficient index, and interleave data carried on the at least two carriers according to the carrier interlace coefficient.
  • the processor 7011 is further configured to: when the carrier interlace indication information includes the interleaved carrier index indication information, interleave data carried on the at least two carriers according to the interleaved carrier index indication information.
  • the processor 7011 is further configured to perform physical channel segmentation on the carrier according to a chip rate of each carrier, a number of code channels selected on each carrier, a modulation mode, and a maximum number of bits carried by each code channel;
  • R is the chip rate
  • T is the transmission time interval
  • SF is the spreading factor
  • K is the number of codes
  • m is the modulation order.
  • the processor 7011 is further configured to receive, by using the receiver 7015, channel quality information sent by the receiving device, and adjust a capacity of the data transmitted on each carrier according to the channel quality information.
  • the processor 7011 is further configured to receive, by using the receiver 7015, the sending device, Hybrid automatic repeat request confirmation message.
  • the transmitting device provided by the embodiment of the present invention generates control information corresponding to the data, transmits the control information on the primary carrier, and sends the control information to the receiving device, and carries the data to the at least one second type carrier according to the control information.
  • the transmission to the receiving device improves the transmission performance of the carrier and the flexibility of carrier use.
  • An embodiment of the present invention provides a receiving device 8001.
  • the device may be embedded or itself a microprocessor computer, such as a general-purpose computer, a custom machine, a mobile phone terminal, or a tablet device, and the like.
  • the method includes: at least one processor 8011, a memory 8012, a bus 8013, and a receiver 8015.
  • the at least one processor 8011, the memory 8012, and the receiver 8015 are connected by a bus 8013 and complete communication with each other.
  • the bus 8013 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus. Wait.
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus 8013 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 8, but it does not mean that there is only one bus or one type of bus. Its towel:
  • Memory 8012 is for storing executable program code, the program code including computer operating instructions.
  • the memory 8012 may include a high speed RAM memory 8012 and may also include a non-volatile memory 8012, such as at least one disk memory 8012.
  • the processor 8011 may be a central processing unit (CPU), or an application specific integrated circuit (ASIC), or one or more configured to implement the embodiments of the present invention. Integrated circuits.
  • CPU central processing unit
  • ASIC application specific integrated circuit
  • the receiver 8015 is mainly used to implement the receiving of data and information in this embodiment.
  • the processor 8011 is configured to receive, by using the receiver 8015, control information sent by the transmitting device on the primary carrier, and receive data on the at least one second type of carrier according to the control information.
  • the Lord The carrier belongs to the first type of carrier.
  • the receiving device receives the control information sent by the transmitting device on the primary carrier by receiving the data corresponding to the transmitting device, and receives the data on the at least one second type carrier according to the control information. Improve carrier transmission performance and carrier flexibility.
  • the processor 801 1 is further configured to receive, by the receiver 8015, the data on the at least one second type carrier and the at least one first type carrier according to the control information.
  • the receiving device 8001 further includes a transmitter 8014 connected to the bus 8013.
  • the processor 801 1 is further configured to obtain carrier interleave indication information by using the receiver 8015, where the carrier interleave indication information includes a carrier interlace coefficient index and/or interleave carrier index indication information.
  • the processor 801 1 is further configured to receive data on the at least two carriers through the receiver 8015 according to the control information, and de-interleave the data carried on the at least two carriers according to the carrier interleaving indication information.
  • the processor 801 1 is further configured to measure channel quality of the first type of carrier and the second type of carrier, generate channel quality information, and send the channel quality information to the transmitting device by using the transmitter 8014.
  • the processor 801 1 is further configured to: demodulate and decode the data, generate a hybrid automatic repeat request acknowledgement message according to the result of the demodulation and decoding, and send the hybrid automatic repeat request acknowledgement message to the transmitter 8014. To the launcher.
  • the receiving device receives the control information sent by the transmitting device on the primary carrier by receiving the data corresponding to the transmitting device, and receives the data on the at least one second type carrier according to the control information. Improve carrier transmission performance and carrier flexibility.
  • Embodiments of the present invention provide a communication system 90.
  • the communication system 90 includes: a transmitting device 901 and a receiving device 902.
  • the transmitting device 901 is the transmitting device according to the embodiment corresponding to FIG. 5; and the receiving device 902 is the receiving device according to the embodiment corresponding to FIG. 6.
  • the transmitting device 901 is the transmitting device described in the embodiment corresponding to FIG. 7; the receiving device 902 is the receiving device described in the embodiment corresponding to FIG. 8.
  • the transmitting device 901 is the transmitting device described in the embodiment corresponding to FIG. 7; the receiving device 902 is the receiving device described in the embodiment corresponding to FIG. 8.
  • the communication system provided by the embodiment of the present invention generates control information corresponding to the data when the data is transmitted by the transmitting device, carries the control information on the primary carrier, and sends the control information to the receiving device, and carries the data in at least one second class according to the control information.
  • the carrier is transmitted to the receiving device, which improves the transmission performance of the carrier and the flexibility of carrier use.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a computer.
  • the computer readable medium may include RAM (Random Access Memory), ROM (Read Only Memory), and EEPROM (Electrically Erasable Programmable Read Only Memory).
  • CD-ROM Compact Disc Read Only Memory
  • CD-ROM Compact Disc Read Only Memory
  • disk storage media or other magnetic storage device, or can be used to carry or store desired programs in the form of instructions or data structures.
  • Any connection may suitably be a computer readable medium.
  • coaxial cable, fiber optic cable, twisted pair, DSL (Digital Subscriber Line), or wireless technologies such as infrared, radio, and microwave coaxial cable, fiber optic cable, twisted pair, DSL or wireless technologies such as infrared, wireless and microwave are included in the fixing of the associated medium.
  • the disc and the disc include a CD (Compact Disc), a laser disc, a compact disc, a DVD disc (Digital Versatile Disc), a floppy disc, and a Blu-ray disc, wherein the disc is usually magnetically copied,
  • the disc uses a laser to optically replicate the data. Combinations of the above should also be included within the scope of the computer readable media.

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Abstract

本发明的实施例公开了一种数据传输的方法、装置及通信系统,涉及通信领域,能够提高载波的传输性能及载波的使用灵活性。该方法包括:发射装置在发送数据时,生成数据对应的控制信息,将控制信息承载在主载波上发送至接收装置,并根据控制信息将数据承载在至少一个第二类载波上发送至接收装置。本发明用于数据传输。

Description

一种数据传输的方法、 装置及通信系统
技术领域
本发明涉及通信领域, 尤其涉及一种数据传输的方法、 装置及通信系 统。
背景技术
UMTS ( Universal Mobile Telecommunications System, 通用移动通信 系统) 是国际标准化组织 3GPP ( 3rd Generation Partnership Project, 第三 代合作伙伴计划 )制定的全球 3G ( 3rd-generation, 第三代 )通信的标准之 一。 WCDMA ( Wideband Code Division Multiple Access , 宽带码分多址) 作为第三代移动通信系统的主流技术之一,应用在 UMTS Release-5之前的 版本中, 在 Release-5版本中引入了 HSDPA ( High Speed Downlink Packet Access , 高速下行链路分组接入) 技术用以提高下行数据传输速率, 减少 用户数据传输时延, 以便让用户在 UMTS网络中有更好的体验。
HSDPA 涉及的信道包括下行 HS-PDSCH ( High-Speed Physical Downlink Shared Channel , 高速下行链路共享物理信道) 以及相应的下行 HS-SCCH ( High-Speed Shared Control Channel , 高速共享控制信道)和上 行 HS-DPCCH (Uplink High-Speed Dedicated Physical Control Channel, 上 行链路高速专用物理控制信道)。
在现有的多载波 HSDPA技术中,每个载波都对应一个 HARQ( Hybrid Automatic Repeat Request , 混合自动重传请求) 实体 叚设是非 MIMO ( Multiple-Input Multiple-Output, 多入多出) 的情况) , 每个载波上使用 的编码, 调制, 交织, HARQ重传处理等都是独立的, 而且在实际使用中, 运营商的频谱往往不一定是 5MHz的倍数, 可能存在一些零碎的载波段如 2ΜΗζ , 3 MHz , 4MHz等,存在这些载波时运营商就难以将其用来部署 UMTS 网络。 这样使得载波的使用很不灵活, 载波的传输性能也容易受到损失。 发明内容
本发明的实施例提供一种数据传输的方法、 装置及通信系统, 能够提 高载波的传输性能及载波使用的灵活性。
为达到上述目的, 本发明的实施例釆用如下技术方案: 第一方面, 一种数据传输的方法, 包括:
发射装置在发送数据时, 生成所述数据对应的控制信息;
所述发射装置将所述控制信息承载在主载波上发送至接收装置, 其 中, 所述主载波属于第一类载波;
所述发射装置根据所述控制信息将所述数据承载在至少一个第二类 载波上发送至所述接收装置。
结合第一方面, 在第一种可能的实现方式中, 所述发射装置根据所述 控制信息将所述数据承载在至少一个第二类载波上发送至所述接收装置, 包括:
所述发射装置根据所述控制信息将所述数据承载在至少一个所述第 二类载波及至少一个所述第一类载波上发送至所述接收装置。
结合第一方面或第一方面的第一种可能的实现方式,在第二种可能的 实现方式中, 所述发射装置将所述数据发送至所述接收装置之前, 还包括: 所述发射装置获取载波交织指示信息, 其中, 所述载波交织指示信息 包括载波交织系数索引和 /或交织载波索引指示信息;
所述发射装置根据所述载波交织指示信息将至少两个载波上承载的 数据进行交织。
结合第一方面的第二种可能的实现方式, 在第三种可能的实现方式 中, 所述发射装置根据所述载波交织指示信息将至少两个载波上承载的数 据进行交织, 包括:
当所述载波交织指示信息包括载波交织系数索引时,所述发射装置根 据所述载波交织系数索引生成载波交织系数;
所述发射装置根据所述载波交织系数将至少两个载波上承载的数据 进行交织。
结合第一方面的第二种可能的实现方式, 在第四种可能的实现方式 中, 所述发射装置根据所述载波交织指示信息将至少两个载波上承载的数 据进行交织, 包括:
当所述载波交织指示信息包括交织载波索引指示信息时,所述发射装 置根据所述交织载波索引指示信息, 将所述至少两个载波上承载的数据进 行交织。
结合第一方面, 在第五种可能的实现方式中, 所述发射装置根据所述 控制信息将所述数据承载在至少一个第二类载波上发送至所述接收装置之 前, 还包括:
所述发射装置根据每个载波的码片速率、 每个载波上选取的码道数、 调制方式及每个码道承载的最大比特数对载波进行物理信道分段;
所述每个码道承载的最大比特数通过公式 / = x x log 2 获得, 其
SF
中, R为所述码片速率, T为传输时间间隔, SF为扩频因子, K为所述码 道数, m为调制阶数。
结合第一方面, 在第六种可能的实现方式中, 所述生成所述数据对应 的控制信息之前, 还包括:
所述发射装置接收所述接收装置发送的信道质量信息;
所述发射装置根据所述信道质量信息调节每个载波上传输数据的容 量。
结合第一方面, 在第七种可能的实现方式中, 所述发射装置根据所述 控制信息将所述数据承载在至少一个第二类载波上发送至所述接收装置之 后, 还包括:
所述发射装置接收所述接收装置发送的混合自动重传请求确认消息。 第二方面, 一种数据传输的方法, 包括:
接收装置在主载波上接收发射装置发送的控制信息,其中所述主载波 属于第一类载波;
所述接收装置根据所述控制信息在至少一个第二类载波上接收数据。 结合第二方面, 在第一种可能的实现方式中, 所述根据所述控制信息 在至少一个第二类载波上接收数据, 包括:
所述接收装置根据所述控制信息在至少一个所述第二类载波及至少 一个所述第一类载波上接收所述数据。
结合第二方面或第二方面的第一种可能的实现方式,在第二种可能的 实现方式中,所述接收装置在主载波上接收发射装置发送的控制信息之前, 还包括: 所述接收装置获取载波交织指示信息, 其中, 所述载波交织指示信息 包括载波交织系数索引和 /或交织载波索引指示信息;
所述接收装置根据所述控制信息在至少一个第二类载波上接收数据, 包括:
所述接收装置根据所述控制信息在至少两个载波上接收数据; 所述接收装置根据所述载波交织指示信息将至少两个载波上承载的 数据解除交织。
结合第二方面, 在第三种可能的实现方式中, 所述接收装置在主载波 上接收发射装置发送的控制信息之前, 还包括:
所述接收装置对所述第一类载波及所述第二类载波的信道质量进行 测量, 生成信道质量信息, 并将所述信道质量信息发送至所述发射装置。
结合第二方面, 在第四种可能的实现方式中, 所述接收装置根据所述 控制信息在至少一个第二类载波上接收数据之后, 还包括:
所述接收装置将所述数据进行解调译码,根据所述解调译码的结果生 成混合自动重传请求确认消息, 并将所述混合自动重传请求确认消息发送 至所述发射装置。
第三方面, 一种发射装置, 包括:
控制单元, 用于在所述发射装置发送数据时, 生成所述数据对应的控 制信息, 并将所述控制信息发送至发送单元;
所述发送单元, 用于接收所述控制单元发送的所述控制信息, 将所述 控制信息承载在主载波上发送至接收装置, 根据所述控制信息将所述数据 承载在至少一个第二类载波上发送至所述接收装置, 其中, 所述主载波属 于第一类载波。
结合第三方面, 在第一种可能的实现方式中,
所述发送单元, 还用于接收所述控制单元发送的所述控制信息, 根据 所述控制信息将所述数据承载在至少一个所述第二类载波及至少一个所述 第一类载波上发送至所述接收装置。
结合第三方面或第三方面的第一种可能的实现方式,在第二种可能的 实现方式中, 所述发射装置还包括接收单元, 所述发送单元包括交织子单 元;
所述接收单元, 用于获取载波交织指示信息, 并将所述载波交织指示 信息发送至所述交织子单元, 其中, 所述载波交织指示信息包括载波交织 系数索引和 /或交织载波索引指示信息;
所述交织子单元,用于接收所述接收单元发送的所述载波交织指示信 息, 根据所述载波交织指示信息将至少两个载波上承载的数据进行交织。
结合第三方面的第二种可能的实现方式, 在第三种可能的实现方式 中,
所述交织子单元,还用于当所述载波交织指示信息包括所述载波交织 系数索引时, 根据所述载波交织系数索引生成载波交织系数, 并根据所述 载波交织系数将至少两个载波上承载的数据进行交织。
结合第三方面的第二种可能的实现方式, 在第四种可能的实现方式 中,
所述交织子单元,还用于当所述载波交织指示信息包括交织载波索引 指示信息时, 根据所述交织载波索引指示信息, 将至少两个载波上承载的 数据进行交织。
结合第三方面, 在第五种可能的实现方式中,
所述控制单元, 还用于根据每个载波的码片速率、 每个载波上选取的 码道数、调制方式及每个码道承载的最大比特数对载波进行物理信道分段; 所述每个码道承载的最大比特数通过公式 / = ^^x x log 2 获得, 其
SF
中, R为所述码片速率, T为传输时间间隔, SF为扩频因子, K为所述码 道数, m为调制阶数。
结合第三方面, 在第六种可能的实现方式中, 所述发射装置还包括接 收单元;
所述接收单元, 用于接收所述接收装置发送的信道质量信息, 并将所 述信道质量信息发送至所述控制单元;
所述控制单元, 还用于接收所述接收单元发送的所述信道质量信息, 根据所述信道质量信息调节每个载波上传输数据的容量。
结合第三方面, 在第七种可能的实现方式中, 所述发射装置还包括接 收单元;
所述接收单元,用于接收所述接收装置发送的混合自动重传请求确认 消息。
第四方面, 一种接收装置, 包括:
接收单元, 用于在主载波上接收发射装置发送的控制信息, 并根据所 述控制信息在至少一个第二类载波上接收数据, 其中, 所述主载波属于第 一类载波。
结合第四方面, 在第一种可能的实现方式中,
所述接收单元,还用于根据所述控制信息在至少一个所述第二类载波 及至少一个所述第一类载波上接收所述数据。
结合第四方面或第四方面的第一种可能的实现方式,在第二种可能的 实现方式中, 所述接收装置还包括发送单元, 所述接收单元包括交织子单 元;
所述接收单元, 用于获取载波交织指示信息, 所述载波交织指示信息 包括载波交织系数索引和 /或交织载波索引指示信息;
所述接收单元, 还用于根据所述控制信息在至少两个载波上接收数 据;
所述交织子单元,用于根据所述载波交织指示信息将至少两个载波上 承载的数据解除交织。
结合第四方面, 在第三种可能的实现方式中, 所述接收装置还包括测 量单元及发送单元;
所述测量单元,用于对所述第一类载波及所述第二类载波的信道质量 进行测量, 生成信道质量信息, 并将所述信道质量信息发送至所述发送单 元;
所述发送单元, 用于接收所述测量单元发送的所述信道质量信息, 并 将所述信道质量信息发送至所述发射装置。
结合第四方面, 在第四种可能的实现方式中, 所述接收装置还包括解 调单元及发送单元;
所述接收单元, 还用于将所述数据发送至所述解调单元; 所述解调单元, 用于接收所述接收单元发送的所述数据, 将所述数据 进行解调译码,根据所述解调译码的结果生成混合自动重传请求确认消息, 并将所述混合自动重传请求确认消息发送至所述发送单元;
所述发送单元,用于接收所述解调单元发送的所述混合自动重传请求 确认消息, 并将所述混合自动重传请求确认消息发送至所述发射装置。
第五方面, 一种发射装置, 包括: 通过数据总线连接的处理器和存 储器, 以及分别与所述处理器和所述存储器连接的发射器;
其中, 所述处理器, 用于在所述发射装置发送数据时, 生成所述数据 对应的控制信息;
所述处理器,还用于通过所述发射器将所述控制信息承载在所述主载 波上发送至接收装置, 根据所述控制信息将所述数据承载在至少一个第二 类载波上发送至所述接收装置, 其中, 所述主载波属于第一类载波。
结合第五方面, 在第一种可能的实现方式中,
所述处理器, 还用于根据所述控制信息, 通过所述发射器将所述数据 承载在至少一个所述第二类载波及至少一个所述第一类载波上发送至所述 接收装置。
结合第五方面或第五方面的第一种可能的实现方式,在第二种可能的 实现方式中, 所述发射装置还包括与所述数据总线连接的接收器;
所述处理器, 还用于通过所述接收器获取载波交织指示信息, 其中, 所述载波交织指示信息包括载波交织系数索引和 /或交织载波索引指示信 息, 根据所述载波交织指示信息将至少两个载波上承载的数据进行交织。
结合第五方面的第二种可能的实现方式, 在第三种可能的实现方式 中,
所述处理器,还用于当所述载波交织指示信息包括载波交织系数索引 时, 根据所述载波交织系数索引生成载波交织系数, 并根据所述载波交织 系数将至少两个载波上承载的数据进行交织。
结合第五方面的第二种可能的实现方式, 在第四种可能的实现方式 中,
所述处理器,还用于当所述载波交织指示信息包括交织载波索引指示 信息时, 根据所述交织载波索引指示信息, 将所述至少两个载波上承载的 数据进行交织。
结合第五方面, 在第五种可能的实现方式中,
所述处理器, 还用于根据每个载波的码片速率、 每个载波上选取的码 道数、 调制方式及每个码道承载的最大比特数对载波进行物理信道分段; 所述每个码道承载的最大比特数通过公式 / = x x log 2 获得, 其
SF
中, R为所述码片速率, T为传输时间间隔, SF为扩频因子, K为所述码 道数, m为调制阶数。
结合第五方面, 在第六种可能的实现方式中, 所述发射装置还包括与 所述数据总线连接的接收器;
所述处理器,还用于通过所述接收器接收所述接收装置发送的信道质 量信息, 根据所述信道质量信息调节每个载波上传输数据的容量。
结合第五方面, 在第七种可能的实现方式中, 所述发射装置还包括与 所述数据总线连接的接收器;
所述处理器,还用于通过所述接收器接收所述接收装置发送的混合自 动重传请求确认消息。
第六方面, 一种接收装置, 包括: 通过数据总线连接的处理器和存 储器, 以及分别与所述处理器和所述存储器连接的接收器;
其中, 所述处理器, 用于通过所述接收器在主载波上接收发射装置发 送的控制信息, 根据所述控制信息在至少一个第二类载波上接收数据, 其 中, 所述主载波属于第一类载波。
结合第六方面, 在第一种可能的实现方式中,
所述处理器, 还用于根据所述控制信息, 通过所述接收器在至少一个 所述第二类载波及至少一个所述第一类载波上接收所述数据。
结合第六方面或第六方面的第一种可能的实现方式,在第二种可能的 实现方式中, 所述接收装置还包括与所述数据总线连接的发射器;
所述处理器, 还用于通过所述接收器获取载波交织指示信息, 所述载 波交织指示信息包括载波交织系数索引和 /或交织载波索引指示信息; 所述处理器,还用于根据所述控制信息通过所述接收器在至少两个载 波上接收数据, 根据所述载波交织指示信息将至少两个载波上承载的数据 解除交织。
结合第六方面, 在第三种可能的实现方式中, 所述接收装置还包括与 所述数据总线连接的发射器;
所述处理器,还用于对所述第一类载波及所述第二类载波的信道质量 进行测量, 生成信道质量信息, 并将所述信道质量信息通过所述发射器发 送至所述发射装置。
结合第六方面, 在第四种可能的实现方式中, 所述接收装置还包括与 所述数据总线连接的发射器;
所述处理器, 还用于将所述数据进行解调译码, 根据译码结果生成混 合自动重传请求确认消息, 并将所述混合自动重传请求确认消息通过所述 发射器接口发送至所述发射装置。
第七方面, 一种通信系统, 包括: 发射装置及接收装置,
其中,所述发射装置为第三方面或第三方面的任意一种可能的实现方 式中所述的发射装置, 所述接收装置为第四方面或第四方面的任意一种可 能的实现方式中所述的接收装置;
或者,
所述发射装置为第五方面或第五方面的任意一种可能的实现方式中 所述的发射装置, 所述接收装置为第六方面或第六方面的任意一种可能的 实现方式中所述的接收装置。
本发明实施例提供的数据传输的方法、 装置及通信系统, 通过发射装 置在发送数据时, 生成数据对应的控制信息, 将控制信息承载在主载波上 发送至接收装置, 并根据控制信息将数据承载在至少一个第二类载波上发 送至接收装置, 提高了载波的传输性能及载波使用的灵活性。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案, 下面将对 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。
图 1为本发明的实施例提供的一种数据传输方法的流程示意图; 图 2为本发明的实施例提供的另一种数据传输方法的流程示意图; 图 3为本发明的实施例提供的又一种数据传输方法的流程示意图; 图 4为本发明的实施例提供的载波分类示意图;
图 5为本发明的实施例提供的一种发射装置结构示意图;
图 6为本发明的实施例提供的一种接收装置结构示意图;
图 7为本发明的另一实施例提供的一种发射装置结构示意图; 图 8为本发明的另一实施例提供的一种接收装置结构示意图; 图 9为本发明的实施例提供的一种通信系统构架示意图。
具体实施方式
下面将结合本发明实施例中的附图, 对本发明实施例中的技术方案 进行清楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明一部分实施 例, 而不是全部的实施例。
在多载波系统中, 本发明的实施例提供一种数据传输的方法, 应用 于发射装置, 参照图 1所示, 该方法包括:
101、 发射装置在发送数据时, 生成数据对应的控制信息。
其中, 控制信息包括载波集合, 信道码化集、 调制方式、 HARQ进程 号、 传输块长、 冗余版本和星座图等, 可选的, 每个载波各自的码道信息 等可以承载在各自载波上与数据一起传输。
可选的, 发射装置可以是基站或者用户设备。
102、 发射装置将控制信息承载在主载波上发送至接收装置。
其中, 主载波属于第一类载波。 目前, 第二类载波作为第一类载波的 附属, 主要用于数据传输, 其上只有数据信道和导频信道, 因此, 需要选 择一个第一类载波作为主载波用来发送控制信息。 具体可选的, 由网络侧 决定哪个载波为主载波并告知发射装置。
103、 发射装置根据控制信息将数据承载在至少一个第二类载波上发 送至接收装置。
其中, 用于承载数据传输的第二类载波属于辅载波, 这种情况是将所 有的第二类载波的数据信道作为一个整体的资源池, 使用一个控制信道进 行数据传输的指示。 本发明实施例提供的数据传输的方法, 通过发射装置在发送数据时, 生成数据对应的控制信息, 将控制信息承载在主载波上发送至接收装置, 并根据控制信息将数据承载在至少一个第二类载波上发送至接收装置, 提 高了载波的传输性能及载波使用的灵活性。
本发明的实施例提供另一种数据传输的方法, 应用于接收装置, 参照 图 2所示, 该方法包括:
201、 接收装置在主载波上接收发射装置发送的控制信息。
其中, 主载波属于第一类载波。 可选的, 接收装置可以是基站或者用 户设备。
202、 接收装置根据控制信息在至少一个第二类载波上接收数据。 其中, 用于承载数据的第二类载波属于辅载波。
本发明实施例提供的数据传输的方法, 通过接收装置在接收数据时, 对应发射装置发送数据的方式,在主载波上接收发射装置发送的控制信息, 并根据控制信息在至少一个第二类载波上接收数据, 提高了载波的传输性 能及载波使用的灵活性。
可选的, 参照图 3所示, 本发明的实施例提供了又一种数据传输的方 法, 该方法包括:
301、 接收装置对第一类载波及第二类载波的信道质量进行测量, 生 成信道质量信息, 并将信道质量信息发送至发射装置。
可选的, 接收装置可以是基站或者用户设备, 发射装置可以是基站或 者用户设备。
302、 发射装置根据信道质量信息调节每个载波上传输数据的容量。 可选的, 由网络侧决定并通知发射装置将哪一个载波作为主载波, 将 哪些载波作为辅载波。 发射装置根据信道质量信息调节每个载波上传输数 据的容量, 但信道质量信息并不是发射装置调节每个载波上传输数据容量 的唯一依据。
具体可选的, 发射装置根据每个载波的码片速率、 每个载波上选取的 码道数、调制方式及每个码道承载的最大比特数对载波进行物理信道分段, 以便于发送数据。 每个码道承载的最大比特数通过公式 / = Hx x log 2m获得, 其中,
SF
R为码片速率, T为传输时间间隔, SF为扩频因子, K为码道数, m为调 制阶数。
303、 发射装置在发送数据时, 生成数据对应的控制信息。
其中, 控制信息包括载波集合, 信道码化集、 调制方式、 HARQ进程 号、 传输块长、 冗余版本和星座图等。 可选的, 每个载波各自的码道信息 等可以承载在各自载波上与数据一起传输。
304、 发射装置将控制信息承载在主载波上发送至接收装置。
305、 发射装置根据控制信息将数据承载在至少一个第二类载波或者 将数据承载在至少一个第一类载波和至少一个第二类载波上发送至接收装 置。
此处, 除主载波之外的其他载波统称为辅载波, 数据可以承载在所有 载波上进行传输。
如果只是将所有第二类载波的数据信道作为一个整体的资源池,那么 数据就承载在第二类载波上发送, 如果将所有的第一类载波和第二类载波 的数据信道作为统一资源池进行调度, 就可以将数据承载在第一类载波和 第二类载波上发送, 这种情况下, 主载波属于第一类载波, 也可以发送数 据。
参照图 4 所示, 第一类载波有控制信道及数据信道, 而第二类载波 只有数据信道。 主载波属于第一类载波, 除主载波之外的第一类载波和所 有的第二类载波都是辅载波。 主载波也可以承载数据, 辅载波用来承载数 据, 可选的, 每个辅载波也能承载各自载波的码道信息等。 因此, 在承载 数据时, 可以选择一个或多个第二类载波承载数据, 也可以选择一个或多 个第二类载波与一个或多个第一类载波承载数据。
306、 接收装置将接收到的数据进行解调译码, 根据解调译码的结果 生成混合自动重传请求确认消息, 并将混合自动重传请求确认消息发送至 发射装置。
其中, 混合自动重传请求用于告知发射装置数据发送是否成功, 如 果不成功, 则需要重新发送。 可选的, 如果发射装置配置了多个载波, 在发送数据之前可以将不 同载波上的数据进行交织, 具体交织方法包括:
发射装置获取载波交织指示信息。
其中, 载波交织指示信息包括载波交织系数索引和 /或交织载波索引 指示信息。 可选的, 由网络侧将载波交织指示信息发送至发射装置。
发射装置根据载波交织指示信息将至少两个载波上承载的数据进行 交织。
当载波交织指示信息包括载波交织系数索引时, 发射装置根据载波 交织系数索引生成载波交织系数, 并根据载波交织系数将至少两个载波上 承载的数据进行交织。
当载波交织指示信息包括交织载波索引指示信息时, 发射装置根据 交织载波索引指示信息, 将至少两个载波上承载的数据进行交织。
例如:
A、 交织载波索引指示信息是奇偶指示, 可以是载波索引号为奇数的 几个载波进行交织, 载波索引号是偶数的几个载波进行交织, 具体如何交 织根据载波索引指示信息的具体指示进行;
B、 交织载波索引指示信息是相邻指示, 可以是载波索引号为 1和 2 的载波进行交织, 载波索引号为 3和 4的载波进行交织, 或者载波索引号 为 1、 2、 3、 4的载波进行交织, 载波索引号为 5、 6、 7、 8的载波进行交 织, 具体如何交织根据载波索引指示信息的具体指示进行;
C、 交织载波索引指示信息是载波指示, 即直接指示 进行交织的载 波。
具体的, 载波交织可以包括:
A、 数据块交织, 在形成码字或流之前, 扩频加 4尤之后;
B、 码字间的交织, 不同载波的码字进行交织;
C、 流间的交织, 不同载波的流进行交织。
对应的, 当接收装置接收到发射装置发送的数据后, 从网络侧获取 载波交织指示信息, 并根据载波交织指示信息将至少两个载波上承载的数 据解除交织。 本发明实施例提供的数据传输的方法, 通过发射装置在发送数据时, 生成数据对应的控制信息, 将控制信息承载在主载波上发送至接收装置, 并根据控制信息将数据承载在至少一个第二类载波上发送至接收装置, 提 高了载波的传输性能及载波使用的灵活性。
本发明的实施例提供了一种发射装置 50 , 参照图 5所示, 该发射装 置 50 包括发送单元 502及控制单元 501 , 发送单元 502与控制单元 501 之间相互连接。
其中, 控制单元 501用于在发射装置 50发送数据时, 生成数据对应 的控制信息, 并将控制信息发送至发送单元 502。
发送单元 502 , 用于接收控制单元 501发送的控制信息, 将控制信息 承载在主载波上发送至接收装置,根据控制信息将数据承载在至少一个第 二类载波上发送至接收装置, 其中, 主载波属于第一类载波。
本发明的实施例提供的发射装置, 通过在发送数据时, 生成数据对 应的控制信息, 将控制信息承载在主载波上发送至接收装置, 并根据控制 信息将数据承载在至少一个第二类载波上发送至接收装置,提高了载波的 传输性能及载波使用的灵活性。
可选的, 该发射装置 50还包括接收单元 503 , 发送单元 502包括交 织子单元 521 , 接收单元 503与控制单元 501及发送单元 502相互连接。
发送单元 502 , 还用于接收控制单元 501发送的控制信息, 根据控制 信息将数据承载在至少一个第二类载波及至少一个第一类载波上发送至 接收装置。
如果只是将所有第二类载波的数据信道作为一个整体的资源池, 那 么数据就承载在第二类载波上发送, 如果将所有的第一类载波和第二类载 波的数据信道作为统一资源池进行调度, 就可以将数据承载在第一类载波 和第二类载波上发送, 这种情况下, 因为主载波属于第一类载波, 也可以 发送数据。
接收单元 503 , 用于获取载波交织指示信息, 并将载波交织指示信息 发送至交织子单元 521 , 其中, 载波交织指示信息包括载波交织系数索引 和 /或交织载波索引指示信息。 交织子单元 521 , 用于接收接收单元 503发送的载波交织指示信息, 根据载波交织指示信息将至少两个载波上承载的数据进行交织。
交织子单元 521 ,还用于当载波交织指示信息包括载波交织系数索引 时, 根据载波交织系数索引生成载波交织系数, 并根据载波交织系数将至 少两个载波上承载的数据进行交织。
交织子单元 521 ,还用于当载波交织指示信息包括交织载波索引指示 信息时, 根据交织载波索引指示信息, 将至少两个载波上承载的数据进行 交织。
控制单元 501 , 还用于根据每个载波的码片速率、 每个载波上选取的 码道数、调制方式及每个码道承载的最大比特数对载波进行物理信道分段; 所述每个码道承载的最大比特数通过公式 / = ^^x x log 2 获得, 其
SF
中, R为所述码片速率, T为传输时间间隔, SF为扩频因子, K为所述码 道数, m为调制阶数。
接收单元 503 , 还用于接收接收装置发送的信道质量信息, 并将信道 质量信息发送至控制单元 501。
控制单元 501 , 还用于接收接收单元 503发送的信道质量信息, 根据 信道质量信息调节每个载波上传输数据的容量。
此处, 信道质量信息只是发射装置 50调节每个载波上传输数据的容 量的一个依据, 但并不是唯一依据。
接收单元 503 , 还用于接收接收装置发送的混合自动重传请求。
其中, 混合自动重传请求用于告知发射装置 50数据发送是否成功, 如果不成功, 则需要重新发送。
本发明的实施例提供的发射装置, 通过在发送数据时, 生成数据对 应的控制信息, 将控制信息承载在主载波上发送至接收装置, 并根据控制 信息将数据承载在至少一个第二类载波上发送至接收装置,提高了载波的 传输性能及载波使用的灵活性。
本发明的实施例提供了一种接收装置 60 , 参照图 6所示, 该接收装 置 60包括接收单元 601。
接收单元 601 , 用于在主载波上接收发射装置发送的控制信息, 并根 据控制信息在至少一个第二类载波上接收数据。 其中, 所述主载波属于第 一类载波。
本发明的实施例提供的接收装置, 通过接收数据时, 对应发射装置 发送数据的方式, 在主载波上接收发射装置发送的控制信息, 并根据控制 信息在至少一个第二类载波上接收数据,提高了载波的传输性能及载波使 用的灵活性。
可选的, 该接收装置 60还可以包括发送单元 602 , 测量单元 603 以 及解调单元 604 , 接收单元 601 包括交织子单元 61 1。 发送单元 602与接 收单元 601、 测量单元 603及解调单元 604相互连接, 接收单元 601与解 调单元 604相互连接。
可选的, 接收单元 601 , 还用于根据控制信息在至少一个第二类载波 及至少一个第一类载波上接收数据。
在哪些载波上接收数据与发射装置发射数据时如何承载相互对应, 如果发射装置将数据承载在第二类载波上发送, 则在第二类载波上接收数 据, 如果发射装置将数据承载在第一类载波及第二类载波上发送, 则在第 一类载波及第二类载波上接收数据。
接收单元 601 , 还用于获取载波交织指示信息。 载波交织指示信息包 括载波交织系数索引和 /或交织载波索引指示信息。
接收单元 601 , 还用于根据控制信息在至少两个载波上接收数据。 交织子单元 61 1 ,用于根据载波交织指示信息将至少两个载波上承载 的数据解除交织。
测量单元 603 ,用于对第一类载波及第二类载波的信道质量进行测量, 生成信道质量信息, 并将信道质量信息发送至发送单元 602。
发送单元 602 , 用于接收测量单元 603发送的信道质量信息, 并将信 道质量信息发送至发射装置。
接收单元 601 , 还用于将数据发送至解调单元 604。
解调单元 604 , 用于接收接收单元 601发送的数据, 将数据进行解调 译码, 根据解调译码的结果生成混合自动重传请求确认消息, 并将混合自 动重传请求确认消息发送至发送单元 602。 发送单元 602 ,用于接收解调单元 604发送的混合自动重传请求确认 消息, 并将混合自动重传请求确认消息发送至发射装置。
本发明的实施例提供的接收装置, 通过接收数据时, 对应发射装置 发送数据的方式, 在主载波上接收发射装置发送的控制信息, 并根据控制 信息在至少一个第二类载波上接收数据,提高了载波的传输性能及载波使 用的灵活性。
本发明的实施例提供一种发射装置 7001 , 参照图 7所示, 该设 备可以嵌入或本身就是微处理计算机, 比如: 通用计算机、 客户定 制机、 手机终端或平板机等便携设备, 该发射装置 7001 包括: 至少 一个处理器 701 1、 存储器 7012、 总线 7013和发射器 7014 , 该至少 一个处理器 701 1、存储器 7012和发射器 7014通过总线 7013连接并 完成相互间的通信。
该总线 7013 可以是工业标准体系结构 ( Industry Standard Architecture , 简称为 ISA ) 总线、 外部设备互连 ( Peripheral Component , 简称为 PCI ) 总线或扩展工业标准体系结构 ( Extended Industry Standard Architecture , 简称为 EISA ) 总线等。 该总线 7013 可以分为地址总线、 总线、 控制总线等。 为便于表示, 图 7 中仅用 一条粗线表示, 但并不表示仅有一根总线或一种类型的总线。 其中: 存储器 7012用于存储可执行程序代码,该程序代码包括计算机 操作指令。 存储器 7012可能包含高速 RAM存储器 7012 , 也可能还 包括非易失性存储器 7012 ( non-volatile memory ) , 例如至少一个磁 盘存储器 7012。
处理器 701 1 可能是一个中央处理器 701 1 ( Central Processing Unit , 简称为 CPU ) , 或者是特定集成电路 ( Application Specific Integrated Circuit , 简称为 ASIC ) , 或者是被配置成实施本发明实施 例的一个或多个集成电路。
发射器 7014 , 主要用于实现本实施例中数据和信息的发送。 其中, 处理器 701 1 , 用于在发射装置 7001发送数据时, 生成数据 对应的控制信息。 处理器 7011,还用于通过发射器 7014将控制信息承载在主载波上发 送至接收装置,根据控制信息将数据承载在至少一个第二类载波上发送至 接收装置。 其中, 主载波属于第一类载波。
本发明的实施例提供的发射装置, 通过在发送数据时, 生成数据对 应的控制信息, 将控制信息承载在主载波上发送至接收装置, 并根据控制 信息将数据承载在至少一个第二类载波上发送至接收装置,提高了载波的 传输性能及载波使用的灵活性。
可选的, 处理器 7011, 还用于根据控制信息, 通过发射器 7014将数 据承载在至少一个第二类载波及至少一个第一类载波上发送至接收装置。
进一步的, 发射装置 7001还包括与总线 7013连接的接收器 7015。 处理器 7011,还用于通过接收器 7015获取载波交织指示信息,其中, 载波交织指示信息包括载波交织系数索引和 /或交织载波索引指示信息,根 据载波交织指示信息将至少两个载波上承载的数据进行交织。
进一步的, 处理器 7011, 还用于当载波交织指示信息包括载波交织 系数索引时, 根据载波交织系数索引生成载波交织系数, 并根据载波交织 系数将至少两个载波上承载的数据进行交织。
处理器 7011, 还用于当载波交织指示信息包括交织载波索引指示信 息时, 根据交织载波索引指示信息, 将至少两个载波上承载的数据进行交 织。
可选的, 处理器 7011, 还用于根据每个载波的码片速率、 每个载波 上选取的码道数、 调制方式及每个码道承载的最大比特数对载波进行物理 信道分段; 所述每个码道承载的最大比特数通过公式 /= x xlog2 获得,其
SF 中, R为所述码片速率, T为传输时间间隔, SF为扩频因子, K为所述码 道数, m为调制阶数。
可选的, 处理器 7011, 还用于通过接收器 7015接收接收装置发送的 信道质量信息, 根据信道质量信息调节每个载波上传输数据的容量。
可选的, 处理器 7011还用于通过接收器 7015接收接收装置发送的 混合自动重传请求确认消息。
本发明的实施例提供的发射装置, 通过在发送数据时, 生成数据对 应的控制信息, 将控制信息承载在主载波上发送至接收装置, 并根据控制 信息将数据承载在至少一个第二类载波上发送至接收装置,提高了载波的 传输性能及载波使用的灵活性。
本发明的实施例提供一种接收装置 8001, 参照图 8所示, 该设 备可以嵌入或本身就是微处理计算机, 比如: 通用计算机、 客户定 制机、 手机终端或平板机等便携设备, 该发射装置包括: 至少一个 处理器 8011、 存储器 8012、 总线 8013和接收器 8015, 该至少一个 处理器 8011、存储器 8012和接收器 8015通过总线 8013连接并完成 相互间的通信。
该总线 8013 可以是工业标准体系结构 ( Industry Standard Architecture , 简称为 ISA ) 总线、 外部设备互连 ( Peripheral Component, 简称为 PCI ) 总线或扩展工业标准体系结构 ( Extended Industry Standard Architecture, 简称为 EISA) 总线等。 该总线 8013 可以分为地址总线、 数据总线、 控制总线等。 为便于表示, 图 8 中 仅用一条粗线表示, 但并不表示仅有一根总线或一种类型的总线。 其巾:
存储器 8012用于存储可执行程序代码,该程序代码包括计算机 操作指令。 存储器 8012可能包含高速 RAM存储器 8012, 也可能还 包括非易失性存储器 8012 ( non-volatile memory ), 例如至少一个磁 盘存储器 8012。
处理器 8011 可能是一个中央处理器 8011 ( Central Processing Unit, 简称为 CPU ), 或者是特定集成电路 ( Application Specific Integrated Circuit, 简称为 ASIC ), 或者是被配置成实施本发明实施 例的一个或多个集成电路。
接收器 8015, 主要用于实现本实施例中数据和信息的接收。 处理器 8011, 用于通过接收器 8015在主载波上接收发射装置发送 的控制信息, 根据控制信息在至少一个第二类载波上接收数据。 其中, 主 载波属于第一类载波。
本发明的实施例提供的接收装置, 通过接收数据时, 对应发射装置 发送数据的方式, 在主载波上接收发射装置发送的控制信息, 并根据控制 信息在至少一个第二类载波上接收数据,提高了载波的传输性能及载波使 用的灵活性。
可选的, 处理器 801 1 , 还用于根据控制信息, 通过接收器 8015在 至少一个第二类载波及至少一个第一类载波上接收数据。
可选的, 接收装置 8001还包括与总线 8013连接的发射器 8014。 处理器 801 1 , 还用于通过接收器 8015获取载波交织指示信息, 载波 交织指示信息包括载波交织系数索引和 /或交织载波索引指示信息。
处理器 801 1 ,还用于根据控制信息通过接收器 8015在至少两个载波 上接收数据,根据载波交织指示信息将至少两个载波上承载的数据解除交 织。
可选的, 处理器 801 1 , 还用于对第一类载波及第二类载波的信道质 量进行测量, 生成信道质量信息, 并将信道质量信息通过发射器 8014发 送至发射装置。
可选的, 处理器 801 1 , 还用于将数据进行解调译码, 根据解调译码 的结果生成混合自动重传请求确认消息, 并将混合自动重传请求确认消息 通过发射器 8014发送至发射装置。
本发明的实施例提供的接收装置, 通过接收数据时, 对应发射装置 发送数据的方式, 在主载波上接收发射装置发送的控制信息, 并根据控制 信息在至少一个第二类载波上接收数据,提高了载波的传输性能及载波使 用的灵活性。
本发明的实施例提供一种通信系统 90 , 参照图 9所示, 该通信系统 90包括: 发射装置 901及接收装置 902。
其中, 发射装置 901为图 5对应的实施例所述的发射装置; 接收装置 902图 6对应的实施例所述的接收装置。
或者, 发射装置 901为图 7对应的实施例所述的发射装置; 接收装置 902图 8对应的实施例所述的接收装置。 其具体的工作原理可以参照上述的方法及设备实施例这里不再赘 述。
本发明实施例提供的通信系统, 通过发射装置在发送数据时, 生成数 据对应的控制信息, 将控制信息承载在主载波上发送至接收装置, 并根据 控制信息将数据承载在至少一个第二类载波上发送至接收装置, 提高了载 波的传输性能及载波使用的灵活性。
通过以上的实施方式的描述, 所属领域的技术人员可以清楚地了解到本发 明可以用硬件实现, 或固件实现, 或它们的组合方式来实现。 当使用软件实现 时, 可以将上述功能存储在计算机可读介质中或作为计算机可读介质上的一个 或多个指令或代码进行传输。 计算机可读介质包括计算机存储介质和通信介质, 其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。 存储介质可以是计算机能够存取的任何可用介质。 以此为例但不限于: 计算机 可读介质可以包括 RAM ( Random Access Memory, 随机存储器 )、 ROM ( Read Only Memory, 只读内存) 、 EEPROM ( Electrically Erasable Programmable Read Only Memory, 电可擦可编程只读存储器)、 CD-ROM ( Compact Disc Read Only Memory, 即只读光盘)或其他光盘存储、 磁盘存储介质或者其他磁存储设备、 或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由 计算机存取的任何其他介质。 此外。 任何连接可以适当的成为计算机可读介质。 例如,如果软件是使用同轴电缆、光纤光缆、双绞线、 DSL( Digital Subscriber Line , 数字用户专线)或者诸如红外线、 无线电和微波之类的无线技术从网站、 服务 器或者其他远程源传输的, 那么同轴电缆、 光纤光缆、 双绞线、 DSL或者诸如 红外线、 无线和微波之类的无线技术包括在所属介质的定影中。 如本发明所使 用的,盘和碟包括 CD( Compact Disc,压缩光碟 )、激光碟、光碟、 DVD碟( Digital Versatile Disc, 数字通用光) 、 软盘和蓝光光碟, 其中盘通常磁性的复制数据, 而碟则用激光来光学的复制数据。 上面的组合也应当包括在计算机可读介质的 保护范围之内。
以上所述, 仅为本发明的具体实施方式, 但本发明的保护范围并不局 限于此, 任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可 轻易想到变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明 的保护范围应所述以权利要求的保护范围为准。

Claims

权 利 要 求 书
1、 一种数据传输的方法, 其特征在于, 包括:
发射装置在发送数据时, 生成所述数据对应的控制信息;
所述发射装置将所述控制信息承载在主载波上发送至接收装置, 其 中, 所述主载波属于第一类载波;
所述发射装置根据所述控制信息将所述数据承载在至少一个第二类 载波上发送至所述接收装置。
2、 根据权利要求 1 所述的方法, 其特征在于, 所述发射装置根据所 述控制信息将所述数据承载在至少一个第二类载波上发送至所述接收装 置, 包括:
所述发射装置根据所述控制信息将所述数据承载在至少一个所述第 二类载波及至少一个所述第一类载波上发送至所述接收装置。
3、 根据权利要求 1或 2所述的方法, 其特征在于, 所述发射装置将 所述数据发送至所述接收装置之前, 还包括:
所述发射装置获取载波交织指示信息, 其中, 所述载波交织指示信息 包括载波交织系数索引和 /或交织载波索引指示信息;
所述发射装置根据所述载波交织指示信息将至少两个载波上承载的 数据进行交织。
4、 根据权利要求 3 所述的方法, 其特征在于, 所述发射装置根据所 述载波交织指示信息将至少两个载波上承载的数据进行交织, 包括:
当所述载波交织指示信息包括载波交织系数索引时, 所述发射装置根 据所述载波交织系数索引生成载波交织系数;
所述发射装置根据所述载波交织系数将至少两个载波上承载的数据 进行交织。
5、 根据权利要求 3 所述的方法, 其特征在于, 所述发射装置根据所 述载波交织指示信息将至少两个载波上承载的数据进行交织, 包括:
当所述载波交织指示信息包括交织载波索引指示信息时, 所述发射装 置根据所述交织载波索引指示信息, 将所述至少两个载波上承载的数据进 行交织。
6、 根据权利要求 1 所述的方法, 其特征在于, 所述发射装置根据所 述控制信息将所述数据承载在至少一个第二类载波上发送至所述接收装置 之前, 还包括:
所述发射装置根据每个载波的码片速率、 每个载波上选取的码道数、 调制方式及每个码道承载的最大比特数对载波进行物理信道分段;
所述每个码道承载的最大比特数通过公式 / = ^x x log 2 获得, 其
SF
中, R为所述码片速率, T为传输时间间隔, SF为扩频因子, K为所述码 道数, m为调制阶数。
7、 根据权利要求 1 所述的方法, 其特征在于, 所述生成所述数据对 应的控制信息之前, 还包括:
所述发射装置接收所述接收装置发送的信道质量信息;
所述发射装置根据所述信道质量信息调节每个载波上传输数据的容 量。
8、 根据权利要求 1 所述的方法, 其特征在于, 所述发射装置根据所 述控制信息将所述数据承载在至少一个第二类载波上发送至所述接收装置 之后, 还包括:
所述发射装置接收所述接收装置发送的混合自动重传请求确认消息。
9、 一种数据传输的方法, 其特征在于, 包括:
接收装置在主载波上接收发射装置发送的控制信息, 其中所述主载波 属于第一类载波;
所述接收装置根据所述控制信息在至少一个第二类载波上接收数据。
10、 根据权利要求 9所述的方法, 其特征在于, 所述根据所述控制信 息在至少一个第二类载波上接收数据, 包括:
所述接收装置根据所述控制信息在至少一个所述第二类载波及至少 一个所述第一类载波上接收所述数据。
1 1、 根据权利要求 9或 10所述的方法, 其特征在于, 所述接收装置 在主载波上接收发射装置发送的控制信息之前, 还包括:
所述接收装置获取载波交织指示信息, 其中, 所述载波交织指示信息 包括载波交织系数索引和 /或交织载波索引指示信息; 所述接收装置根据所述控制信息在至少一个第二类载波上接收数据, 包括:
所述接收装置根据所述控制信息在至少两个载波上接收数据; 所述接收装置根据所述载波交织指示信息将至少两个载波上承载的 数据解除交织。
12、 根据权利要求 9所述的方法, 其特征在于, 所述接收装置在主载 波上接收发射装置发送的控制信息之前, 还包括:
所述接收装置对所述第一类载波及所述第二类载波的信道质量进行 测量, 生成信道质量信息, 并将所述信道质量信息发送至所述发射装置。
13、 根据权利要求 9所述的方法, 其特征在于, 所述接收装置根据所 述控制信息在至少一个第二类载波上接收数据之后, 还包括:
所述接收装置将所述数据进行解调译码,根据所述解调译码的结果生 成混合自动重传请求确认消息, 并将所述混合自动重传请求确认消息发送 至所述发射装置。
14、 一种发射装置, 其特征在于, 包括:
控制单元, 用于在所述发射装置发送数据时, 生成所述数据对应的控 制信息, 并将所述控制信息发送至发送单元;
所述发送单元, 用于接收所述控制单元发送的所述控制信息, 将所述 控制信息承载在主载波上发送至接收装置, 根据所述控制信息将所述数据 承载在至少一个第二类载波上发送至所述接收装置, 其中, 所述主载波属 于第一类载波。
15、 根据权利要求 14所述的发射装置, 其特征在于,
所述发送单元, 还用于接收所述控制单元发送的所述控制信息, 根据 所述控制信息将所述数据承载在至少一个所述第二类载波及至少一个所述 第一类载波上发送至所述接收装置。
16、 根据权利要求 14或 15所述的发射装置, 其特征在于, 所述发射 装置还包括接收单元, 所述发送单元包括交织子单元;
所述接收单元, 用于获取载波交织指示信息, 并将所述载波交织指示 信息发送至所述交织子单元, 其中, 所述载波交织指示信息包括载波交织 系数索引和 /或交织载波索引指示信息;
所述交织子单元, 用于接收所述接收单元发送的所述载波交织指示信 息, 根据所述载波交织指示信息将至少两个载波上承载的数据进行交织。
17、 根据权利要求 16所述的发射装置, 其特征在于,
所述交织子单元,还用于当所述载波交织指示信息包括所述载波交织 系数索引时, 根据所述载波交织系数索引生成载波交织系数, 并根据所述 载波交织系数将至少两个载波上承载的数据进行交织。
18、 根据权利要求 16所述的发射装置, 其特征在于,
所述交织子单元,还用于当所述载波交织指示信息包括交织载波索引 指示信息时, 根据所述交织载波索引指示信息, 将至少两个载波上承载的 数据进行交织。
19、 根据权利要求 14所述的发射装置, 其特征在于,
所述控制单元, 还用于根据每个载波的码片速率、 每个载波上选取的 码道数、调制方式及每个码道承载的最大比特数对载波进行物理信道分段; 所述每个码道承载的最大比特数通过公式 / = ^x x log 2 获得, 其
SF
中, R为所述码片速率, T为传输时间间隔, SF为扩频因子, K为所述码 道数, m为调制阶数。
20、 根据权利要求 14所述的发射装置, 其特征在于, 所述发射装置 还包括接收单元;
所述接收单元, 用于接收所述接收装置发送的信道质量信息, 并将所 述信道质量信息发送至所述控制单元;
所述控制单元, 还用于接收所述接收单元发送的所述信道质量信息, 根据所述信道质量信息调节每个载波上传输数据的容量。
21、 根据权利要求 14所述的发射装置, 其特征在于, 所述发射装置 还包括接收单元,
所述接收单元, 用于接收所述接收装置发送的混合自动重传请求确认 消息。
22、 一种接收装置, 其特征在于, 包括:
接收单元, 用于在主载波上接收发射装置发送的控制信息, 并根据所 述控制信息在至少一个第二类载波上接收数据, 其中, 所述主载波属于第 一类载波。
23、 根据权利要求 22所述的接收装置, 其特征在于,
所述接收单元,还用于根据所述控制信息在至少一个所述第二类载波 及至少一个所述第一类载波上接收所述数据。
24、 根据权利要求 22或 23所述的接收装置, 其特征在于, 所述接收 单元包括交织子单元;
所述接收单元, 用于获取载波交织指示信息, 所述载波交织指示信息 包括载波交织系数索引和 /或交织载波索引指示信息;
所述接收单元, 还用于根据所述控制信息在至少两个载波上接收数 据;
所述交织子单元, 用于根据所述载波交织指示信息将至少两个载波上 承载的数据解除交织。
25、 根据权利要求 22所述的接收装置, 其特征在于, 所述接收装置 还包括测量单元及发送单元;
所述测量单元, 用于对所述第一类载波及所述第二类载波的信道质量 进行测量, 生成信道质量信息, 并将所述信道质量信息发送至所述发送单 元;
所述发送单元, 用于接收所述测量单元发送的所述信道质量信息, 并 将所述信道质量信息发送至所述发射装置。
26、 根据权利要求 22所述的接收装置, 其特征在于, 所述接收装置 还包括解调单元及发送单元;
所述接收单元, 还用于将所述数据发送至所述解调单元;
所述解调单元, 用于接收所述接收单元发送的所述数据, 将所述数据 进行解调译码,根据所述解调译码的结果生成混合自动重传请求确认消息, 并将所述混合自动重传请求确认消息发送至所述发送单元;
所述发送单元, 用于接收所述解调单元发送的所述混合自动重传请求 确认消息, 并将所述混合自动重传请求确认消息发送至所述发射装置。
27、 一种发射装置, 其特征在于, 包括: 通过数据总线连接的处理器 和存储器, 以及分别与所述处理器和所述存储器连接的发射器; 其中, 所述处理器, 用于在所述发射装置发送数据时, 生成所述数据 对应的控制信息;
所述处理器,还用于通过所述发射器将所述控制信息承载在所述主载 波上发送至接收装置, 根据所述控制信息将所述数据承载在至少一个第二 类载波上发送至所述接收装置, 其中, 所述主载波属于第一类载波。
28、 根据权利要求 27所述的发射装置, 其特征在于,
所述处理器, 还用于根据所述控制信息, 通过所述发射器将所述数据 承载在至少一个所述第二类载波及至少一个所述第一类载波上发送至所述 接收装置。
29、 根据权利要求 27或 28所述的发射装置, 其特征在于, 所述发射 装置还包括与所述数据总线连接的接收器;
所述处理器, 还用于通过所述接收器获取载波交织指示信息, 其中, 所述载波交织指示信息包括载波交织系数索引和 /或交织载波索引指示信 息, 根据所述载波交织指示信息将至少两个载波上承载的数据进行交织。
30、 根据权利要求 29所述的发射装置, 其特征在于,
所述处理器,还用于当所述载波交织指示信息包括载波交织系数索引 时, 根据所述载波交织系数索引生成载波交织系数, 并根据所述载波交织 系数将至少两个载波上承载的数据进行交织。
31、 根据权利要求 29所述的发射装置, 其特征在于,
所述处理器,还用于当所述载波交织指示信息包括交织载波索引指示 信息时, 根据所述交织载波索引指示信息, 将所述至少两个载波上承载的 数据进行交织。
32、 根据权利要求 27所述的发射装置, 其特征在于,
所述处理器, 还用于根据每个载波的码片速率、 每个载波上选取的码 道数、 调制方式及每个码道承载的最大比特数对载波进行物理信道分段; 所述每个码道承载的最大比特数通过公式 / = ^x x log 2 获得, 其
SF
中, R为所述码片速率, T为传输时间间隔, SF为扩频因子, K为所述码 道数, m为调制阶数。
33、 根据权利要求 27所述的发射装置, 其特征在于, 所述发射装置 还包括与所述数据总线连接的接收器;
所述处理器,还用于通过所述接收器接收所述接收装置发送的信道质 量信息, 根据所述信道质量信息调节每个载波上传输数据的容量。
34、 根据权利要求 27所述的发射装置, 其特征在于, 所述发射装置 还包括与所述数据总线连接的接收器;
所述处理器,还用于通过所述接收器接收所述接收装置发送的混合自 动重传请求确认消息。
35、 一种接收装置, 其特征在于, 包括: 通过数据总线连接的处理器 和存储器, 以及分别与所述处理器和所述存储器连接的接收器;
其中, 所述处理器, 用于通过所述接收器在主载波上接收发射装置发 送的控制信息, 根据所述控制信息在至少一个第二类载波上接收数据, 其 中, 所述主载波属于第一类载波。
36、 根据权利要求 35所述的接收装置, 其特征在于,
所述处理器, 还用于根据所述控制信息, 通过所述接收器在至少一个 所述第二类载波及至少一个所述第一类载波上接收所述数据。
37、 根据权利要求 35或 36所述的接收装置, 其特征在于, 所述接收 装置还包括与所述数据总线连接的发射器;
所述处理器, 还用于通过所述接收器获取载波交织指示信息, 所述载 波交织指示信息包括载波交织系数索引和 /或交织载波索引指示信息; 所述处理器,还用于根据所述控制信息通过所述接收器在至少两个载 波上接收数据, 根据所述载波交织指示信息将至少两个载波上承载的数据 解除交织。
38、 根据权利要求 35 所述的接收装置, 其特征在于, 所述接收装置 还包括与所述数据总线连接的发射器;
所述处理器,还用于对所述第一类载波及所述第二类载波的信道质量 进行测量, 生成信道质量信息, 并将所述信道质量信息通过所述发射器发 送至所述发射装置。
39、 根据权利要求 35 所述的接收装置, 其特征在于, 所述接收装置 还包括与所述数据总线连接的发射器;
所述处理器, 还用于将所述数据进行解调译码, 根据所述解调译码的 结果生成混合自动重传请求确认消息, 并将所述混合自动重传请求确认消 息通过所述发射器发送至所述发射装置。
40、 一种通信系统, 其特征在于, 包括: 发射装置及接收装置, 其中, 所述发射装置为权利要求 14〜21任一项所述的发射装置, 所述 接收装置为权利要求 22〜 26任一项所述的接收装置;
或者,
所述发射装置为权利要求 27〜34任一项所述的发射装置,所述接收装 置为权利要求 35〜39任一项所述的接收装置。
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