WO2016107430A1 - Procédé et dispositif pour transférer des données de liaison montante - Google Patents

Procédé et dispositif pour transférer des données de liaison montante Download PDF

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Publication number
WO2016107430A1
WO2016107430A1 PCT/CN2015/097993 CN2015097993W WO2016107430A1 WO 2016107430 A1 WO2016107430 A1 WO 2016107430A1 CN 2015097993 W CN2015097993 W CN 2015097993W WO 2016107430 A1 WO2016107430 A1 WO 2016107430A1
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Prior art keywords
mapping mode
subcarriers
reference signal
demodulation reference
data signal
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PCT/CN2015/097993
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English (en)
Chinese (zh)
Inventor
唐浩
唐臻飞
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华为技术有限公司
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Publication of WO2016107430A1 publication Critical patent/WO2016107430A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path

Definitions

  • the present invention relates to the field of communications and, more particularly, to a method and apparatus for transmitting uplink data.
  • a technique for transmitting uplink data which carries a demodulation reference signal and a data signal in units of 12 consecutive subcarriers. For example, if the uplink data is small, there is a case where the data signal of the meaningful meaning transmitted by the terminal device does not need to occupy all 12 subcarriers.
  • the data signal is still carried in units of 12 consecutive subcarriers, for example, the terminal device still occupies a subcarrier that does not need to carry the above-mentioned meaningful data signal, and is in the subcarrier.
  • the preset symbol is filled, and the part of the symbol increases the burden on the terminal device, causing interference to other terminal devices, and causing waste of uplink transmission frequency domain resources, which seriously affects the performance of the communication system.
  • Embodiments of the present invention provide a method and apparatus for transmitting uplink data, which can improve performance of a communication system.
  • a method for transmitting uplink data is provided, which is applied to a communication system that performs resource mapping processing using a first mapping mode or a second mapping mode, in which a subcarrier to which a data signal is mapped is mapped
  • the number of subcarriers to which the demodulation reference signal is mapped is different, and the subcarrier to which the data signal is mapped belongs to a subcarrier to which the demodulation reference signal is mapped, and the data signal is mapped to an integer multiple of N
  • the demodulation reference signal is mapped to an integer multiple of 12 subcarriers, N being any of the following values: 2, 3, 4 or 6, in the second mapping mode, the data signal and the demodulation reference signal
  • N being any of the following values: 2, 3, 4 or 6, in the second mapping mode, the data signal and the demodulation reference signal
  • the number and location of the mapped subcarriers are the same, and the data signal and the demodulation reference signal are mapped to an integer multiple of 12 subcarriers
  • the method
  • the method further includes: sending, by the network device, the first terminal device And information for indicating the first cyclic offset value, so that the first terminal device performs resource mapping processing according to the first mapping mode and the first cyclic offset value to generate the first demodulation reference signal.
  • the method further includes: the network device sending, to the second terminal device, information indicating the first mapping mode; the network device Sending, to the second terminal device, information indicating a second cyclic offset value, the first cyclic offset value being different from the second cyclic offset value; the network device receiving the second data sent by the second terminal device a signal and a second demodulation reference signal, where the second data signal is generated by the second terminal device performing resource mapping processing according to the first mapping mode, where the second data signal includes the T sub-carriers a signal component corresponding to a subcarrier other than the carrier, where the second demodulation reference signal is generated by the second terminal device performing resource mapping processing according to the first mapping mode and the second cyclic offset value, the first solution
  • the tone reference signal overlaps the second demodulation reference signal.
  • the target mapping mode is the first mapping mode
  • the W subcarriers are carrying the first data signal
  • the first time slot of the subframe is the same as the second time slot
  • the T subcarriers include subcarriers located at the first location among the W subcarriers, where the second time slot
  • the T subcarriers include subcarriers located at the second location among the W subcarriers, and the first location is different from the second location.
  • the W subcarriers are carrying the first demodulation reference signal.
  • the positions in the first time slot and the second time slot of the second subframe are different.
  • the target mapping mode is the first mapping mode, T ⁇ W
  • the first data signal is the first terminal
  • the data signal obtained after the power amplification processing is performed by the device based on the first power control factor ⁇ 1
  • the method further includes: the network device sending, to the first terminal device, the first power control factor ⁇ 1 or the The second power control factor ⁇ 2 information.
  • the subcarrier to which the data signal is mapped belongs to each time
  • the subcarrier to which the demodulation reference signal is mapped belongs to the subcarrier corresponding to the symbol of sequence 3 in each slot
  • the subcarrier to which the data signal is mapped belongs to a subcarrier corresponding to the symbol of the sequence number 0, 1, 3, 4, 5 in each slot
  • the subcarrier to which the demodulation reference signal is mapped belongs to the subcarrier corresponding to the symbol of sequence number 2 in each slot.
  • the network device determines the target mapping mode from the first mapping mode and the second mapping mode, including: the network device is configured according to the first terminal Determining, by the first mapping mode and the second mapping mode, the target mapping mode, where the first data signal is the first terminal device, according to the target mapping mode, the first The uplink data is generated after resource mapping processing.
  • the network device is configured to use the first mapping mode and the second mapping mode according to the size of the first uplink data that the first terminal device needs to transmit. Determining the target mapping mode, the network device determining, according to the size of the first uplink data, the number M of subcarriers required to transmit the first uplink data; when M ⁇ N, determining, by the network device, the first mapping The mode is the target mapping mode; or when M>N, and 12 ⁇ (i-1) ⁇ M ⁇ 12i-N, the network device determines to use the first mapping mode as the target mapping mode, and i is a positive integer.
  • the first data signal is a data signal of an enhanced voice service EVS service.
  • a method for transmitting uplink data is provided, which is applied to a communication system that performs resource mapping processing using a first mapping mode or a second mapping mode, in which the subcarriers to which the data signal is mapped are mapped.
  • the number of subcarriers to which the demodulation reference signal is mapped is different, and the subcarrier to which the data signal is mapped belongs to the subcarrier to which the demodulation reference signal is mapped, and the data signal is mapped to N.
  • the demodulation reference signal is mapped to an integer multiple of 12 subcarriers, N being any of the following values: 2, 3, 4 or 6, in the second mapping mode, the data signal and the demodulation reference And the number of subcarriers to which the signal is mapped is the same, and the data signal and the demodulation reference signal are mapped to an integer multiple of 12 subcarriers, the method includes: receiving, by the first terminal device, the network device to indicate the target a mapping mode information, the target mapping mode is determined by the network device from the first mapping mode and the second mapping mode; the first terminal device performs resource mapping processing according to the target mapping mode to generate a first demodulation a reference signal and a first data signal, wherein the first demodulation reference signal corresponds to W subcarriers, the first data signal corresponding to T subcarriers of the W subcarriers, and W is an integer multiple of 12; The first terminal device sends the first demodulation reference signal and the first data signal to the network device.
  • the method further includes: the first terminal device receiving the network device to send The information indicating the first cyclic offset value; and the first terminal device performing resource mapping processing according to the target mapping mode, including: the first terminal device according to the first mapping mode and the first cyclic offset value , resource mapping processing.
  • the first loop offset value is different from the second loop offset value
  • the second loop offset value is the network device a cyclic offset value sent to the second terminal device
  • the second data signal generated by the second terminal device after performing resource mapping processing according to the first mapping mode includes subcarriers other than the T subcarriers among the W subcarriers
  • the second demodulation reference signal generated by the second terminal device after performing resource mapping processing according to the first mapping mode and the second cyclic offset value overlaps with the first demodulation reference signal.
  • the target mapping mode is the first mapping mode
  • the W subcarriers are carrying the first data signal
  • the first time slot of the subframe is the same as the second time slot
  • the T subcarriers include subcarriers located at the first location among the W subcarriers, where the second time slot
  • the T subcarriers include subcarriers located at the second location among the W subcarriers, and the first location is different from the second location.
  • the W subcarriers are carrying the first demodulation reference signal.
  • the positions in the first time slot and the second time slot of the second subframe are different.
  • the method further includes: the first terminal device receiving, by the network device, the first power control factor ⁇ 1 or The second power control factor ⁇ 2 information.
  • the subcarrier to which the data signal is mapped belongs to each time
  • the subcarrier to which the demodulation reference signal is mapped belongs to the subcarrier corresponding to the symbol of sequence 3 in each slot
  • the subcarrier to which the data signal is mapped belongs to a subcarrier corresponding to the symbol of the sequence number 0, 1, 3, 4, 5 in each slot
  • the subcarrier to which the demodulation reference signal is mapped belongs to the subcarrier corresponding to the symbol of sequence number 2 in each slot.
  • the first data signal is a data signal of an enhanced voice service EVS service.
  • an apparatus for transmitting uplink data where a communication system configured to perform resource mapping processing using a first mapping mode or a second mapping mode, where subcarriers to which data signals are mapped is provided The number of subcarriers to which the demodulation reference signal is mapped is different, and the subcarrier to which the data signal is mapped belongs to a subcarrier to which the demodulation reference signal is mapped, and the data signal is mapped to an integer multiple of N On one subcarrier, the demodulation reference signal is mapped to an integer multiple of 12 subcarriers, N being any of the following values: 2, 3, 4 or 6, in the second mapping mode, the data signal and the demodulation reference signal The number and location of the mapped subcarriers are the same, and the data signal and the demodulation reference signal are mapped to an integer multiple of 12 subcarriers, the apparatus comprising: a determining unit, configured to use the first mapping mode and the second a mapping mode, the target mapping mode is determined; the sending unit is configured
  • the sending unit is further configured to send, to the first terminal device, an indication.
  • the information of the first cyclic offset value is such that the first terminal device performs resource mapping processing according to the first mapping mode and the first cyclic offset value to generate the first demodulation reference signal.
  • the sending unit is further configured to send, to the second terminal device, information for indicating the first mapping mode, and The information of the cyclic offset value, the first cyclic offset value is different from the second cyclic offset value;
  • the receiving unit is further configured to receive the second data signal and the second demodulation reference signal sent by the second terminal device
  • the second data signal is generated by the second terminal device performing resource mapping processing according to the first mapping mode, where the second data signal includes a subcarrier corresponding to the T subcarriers of the W subcarriers.
  • a signal component, the second demodulation reference signal is generated by the second terminal device performing resource mapping processing according to the first mapping mode and the second cyclic offset value, the first demodulation reference signal and the second solution
  • the reference signal overlaps.
  • the target mapping mode is the first mapping mode
  • the W subcarriers are carrying the first data signal
  • the first time slot of the subframe is the same as the second time slot
  • the T subcarriers include subcarriers located at the first location among the W subcarriers, where the second time slot
  • the T subcarriers include subcarriers located at the second location among the W subcarriers, and the first location is different from the second location.
  • the W subcarriers are carrying the first demodulation reference signal.
  • the positions in the first time slot and the second time slot of the second subframe are different.
  • the sending unit is further configured to send, to the first terminal device, the first power control factor ⁇ 1 or the second Information on the power control factor ⁇ 2 .
  • the subcarrier to which the data signal is mapped belongs to each time
  • the subcarrier to which the demodulation reference signal is mapped belongs to the subcarrier corresponding to the symbol of sequence 3 in each slot
  • the subcarrier to which the data signal is mapped belongs to a subcarrier corresponding to the symbol of the sequence number 0, 1, 3, 4, 5 in each slot
  • the subcarrier to which the demodulation reference signal is mapped belongs to the subcarrier corresponding to the symbol of sequence number 2 in each slot.
  • the determining unit is specifically configured to: according to the size of the first uplink data that needs to be transmitted by the first terminal device, from the first mapping mode and the first In the second mapping mode, the target mapping mode is determined, wherein the first data signal is generated by the first terminal device performing resource mapping processing on the first uplink data according to the target mapping mode.
  • the determining unit is specifically configured to determine, according to the size of the first uplink data, the number of subcarriers required to transmit the first uplink data.
  • M ⁇ N it is determined to use the first mapping mode as the target mapping mode; or when M>N, and 12 ⁇ (i-1) ⁇ M ⁇ 12i-N, it is determined to use the first mapping mode as The target mapping mode, i is a positive integer.
  • the first data signal is a data signal of an enhanced voice service EVS service.
  • a fourth aspect provides an apparatus for transmitting uplink data, where a communication system configured to perform resource mapping processing using a first mapping mode or a second mapping mode, in which the data signal is mapped to a subcarrier
  • the number of subcarriers to which the demodulation reference signal is mapped is different, and the subcarrier to which the data signal is mapped belongs to a subcarrier to which the demodulation reference signal is mapped, and the data signal is mapped to an integer multiple of N
  • the demodulation reference signal is mapped to an integer multiple of 12 subcarriers, N being any of the following values: 2, 3, 4 or 6, in the second mapping mode, the data signal and the demodulation reference signal
  • the number and location of the subcarriers to be mapped are the same, and the data signal and the demodulation reference signal are mapped to an integer multiple of 12 subcarriers
  • the apparatus includes: a receiving unit, configured to receive, by the network device, the target mapping Information of the mode, the target mapping mode is determined by the network device from the
  • the receiving unit is further configured to receive, by the network device, an indication Information of a cyclic offset value; and the mapping unit is specifically configured to perform resource mapping processing according to the first mapping mode and the first cyclic offset value.
  • the first loop offset value is different from the second loop offset value
  • the second loop offset value is the network device a cyclic offset value sent to the second terminal device
  • the second data signal generated by the second terminal device after performing resource mapping processing according to the first mapping mode includes subcarriers other than the T subcarriers among the W subcarriers
  • the second demodulation reference signal generated by the second terminal device after performing resource mapping processing according to the first mapping mode and the second cyclic offset value overlaps with the first demodulation reference signal.
  • the target mapping mode is the first mapping mode
  • the W subcarriers are carrying the first data signal
  • the first time slot of the subframe is the same as the second time slot
  • the T subcarriers include subcarriers located at the first location among the W subcarriers, where the second time slot
  • the T subcarriers include subcarriers located at the second location among the W subcarriers, and the first location is different from the second location.
  • the W subcarriers are carrying the first demodulation reference signal.
  • the positions in the first time slot and the second time slot of the second subframe are different.
  • the sending unit is further configured to perform, based on the first power control
  • the receiving unit is further configured to receive, by the network device, the first power control factor ⁇ 1 or the second power Control factor ⁇ 2 information.
  • the mapping unit In the first mapping mode, when the normal cyclic prefix CP is used, the mapping unit is specifically configured to correspond to the symbols with the sequence numbers 0, 1, 2, 4, 5, and 6 in each time slot to which the data signal is mapped. a T subcarrier, the demodulation reference signal is mapped to W subcarriers corresponding to the symbol of sequence number 3 in each slot; or in the first mapping mode, when the CP is extended, the mapping unit is specifically used to The data signal is mapped to T subcarriers corresponding to the symbols of the sequence numbers 0, 1, 3, 4, and 5 in each slot, and the subcarriers to which the demodulation reference signal is mapped belong to the sequence number 2 in each slot. W subcarriers corresponding to the symbol.
  • the first data signal is a data signal of an enhanced voice service EVS service.
  • a method and apparatus for transmitting uplink data in a first mapping mode, a number of subcarriers to which a data signal is mapped is different from a number of subcarriers to which a demodulation reference signal is mapped, and
  • the subcarrier to which the data signal is mapped belongs to a subcarrier to which the demodulation reference signal is mapped, the data signal is mapped to an integer multiple of subcarriers of N, and the demodulation reference signal is mapped to an integer multiple of 12 subcarriers
  • N is any of the following values: 2, 3, 4 or 6, which can support resource mapping processing for data in units of less than 12 subcarriers, so that the terminal device can reduce the terminal without occupying redundant subcarriers.
  • the burden on the device reduces the interference to other terminal devices and the waste of uplink transmission frequency domain resources, and improves the performance of the communication system.
  • FIG. 1 is a schematic diagram of a communication system to which a method of transmitting uplink data according to the present invention is applied.
  • FIG. 2 is a schematic diagram of a time-frequency resource division manner according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a minimum unit of uplink resource allocation in a second mapping mode according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a minimum unit of uplink resource allocation in a first mapping mode according to an embodiment of the present invention.
  • FIG. 5 is a schematic flowchart of a method for transmitting uplink data according to an embodiment of the present invention.
  • FIG. 6 is a method for transmitting uplink data according to an embodiment of the present invention, performing resource mapping processing A schematic diagram of the demodulated reference signal and the data signal.
  • FIG. 7 is another schematic diagram of a demodulation reference signal and a data signal obtained by performing resource mapping processing by a method of transmitting uplink data according to an embodiment of the present invention.
  • FIG. 8 is a schematic flowchart of a method for transmitting uplink data according to another embodiment of the present invention.
  • FIG. 9 is a schematic structural diagram of an apparatus for transmitting uplink data according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of an apparatus for transmitting uplink data according to another embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of an apparatus for transmitting uplink data according to an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of an apparatus for transmitting uplink data according to another embodiment of the present invention.
  • a component can be, but is not limited to being, a process running on a processor, a processor, an object, an executable, a thread of execution, a program, and/or a computer.
  • an application running on a computing device and a computing device can be a component.
  • One or more components can reside within a process and/or execution thread, and the components can be located on one computer and/or distributed between two or more computers.
  • these components can execute from various computer readable media having various data structures stored thereon.
  • a component may, for example, be based on signals having one or more data packets (eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems) Communicate through local and/or remote processes.
  • data packets eg, data from two components interacting with another component between the local system, the distributed system, and/or the network, such as the Internet interacting with other systems
  • the present invention describes various embodiments in connection with a terminal device.
  • the terminal device may also be referred to as a User Equipment (UE) user equipment, an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, and a wireless communication device.
  • UE User Equipment
  • the access terminal may be a cellular phone, a cordless phone, a SIP (Session Initiation Protocol) phone, a WLL (Wireless Local Loop) station, a PDA (Personal Digital Assistant), and a wireless communication.
  • the present invention describes various embodiments in connection with a network device.
  • the network device may be a device that is configured to be in communication with the mobile device, and the network device may be an eNB or an eNodeB (Evolved Node B) in an LTE (Long Term Evolution), or a relay station or Access points, or in-vehicle devices, wearable devices, and devices on the network side in future 5G networks.
  • eNB evolved Node B
  • LTE Long Term Evolution
  • Access points or in-vehicle devices, wearable devices, and devices on the network side in future 5G networks.
  • the term "article of manufacture” as used in this application encompasses a computer program accessible from any computer-readable device, carrier, or media.
  • the computer readable medium may include, but is not limited to, a magnetic storage device (for example, a hard disk, a floppy disk, or a magnetic tape), and an optical disk (for example, a CD (Compact Disk), a DVD (Digital Versatile Disk). Etc.), smart cards and flash memory devices (eg, EPROM (Erasable Programmable Read-Only Memory), cards, sticks or key drivers, etc.).
  • various storage media described herein can represent one or more devices and/or other machine-readable media for storing information.
  • the term "machine-readable medium” may include, without limitation, a wireless channel and various other mediums capable of storing, containing, and/or carrying instructions and/or data.
  • the communication system 100 includes a network device 102, which may include multiple antenna groups.
  • Each antenna group may include multiple antennas, for example, one antenna group may include antennas 104 and 106, another antenna group may include antennas 108 and 110, and an additional group may include antennas 112 and 114.
  • Two antennas are shown in Figure 1 for each antenna group, although more or fewer antennas may be used for each group.
  • Network device 102 may additionally include a transmitter chain and a receiver chain, as will be understood by those of ordinary skill in the art, which may include multiple components related to signal transmission and reception (eg, processor, modulator, multiplexer, solution) Tuner, demultiplexer or antenna, etc.).
  • a transmitter chain and a receiver chain may include multiple components related to signal transmission and reception (eg, processor, modulator, multiplexer, solution) Tuner, demultiplexer or antenna, etc.).
  • Network device 102 can communicate with a plurality of terminal devices, such as terminal device 116 and terminal device 122. However, it will be appreciated that network device 102 can communicate with any number of terminal devices similar to terminal device 116 or 122.
  • Terminal devices 116 and 122 may be, for example, cellular telephones, smart phones, portable computers, handheld communication devices, handheld computing devices, satellite radios, global positioning systems, PDAs, and/or any other suitable for communicating over wireless communication system 100. device.
  • terminal device 116 is in communication with antennas 112 and 114, wherein antennas 112 and 114 transmit information to terminal device 116 over forward link 118 and from the terminal through reverse link 120.
  • the device 116 receives the information.
  • terminal device 122 is in communication with antennas 104 and 106, wherein antennas 104 and 106 transmit information to terminal device 122 over forward link 124 and receive information from terminal device 122 over reverse link 126.
  • the forward link 118 can utilize a different frequency band than that used by the reverse link 120, and the forward link 124 can utilize the reverse link. 126 different frequency bands used.
  • FDD Frequency Division Duplex
  • the forward link 118 and the reverse link 120 can use a common frequency band, a forward link 124, and a reverse link.
  • Link 126 can use a common frequency band.
  • Each set of antennas and/or regions designed for communication is referred to as a sector of network device 102.
  • the antenna group can be designed to communicate with terminal devices in sectors of the network device 102 coverage area.
  • the transmit antenna of network device 102 may utilize beamforming to improve the signal to noise ratio of forward links 118 and 124.
  • the network device 102 uses beamforming to transmit signals to the randomly dispersed terminal devices 116 and 122 in the relevant coverage area, the network device 102 uses a single antenna to transmit signals to all of its terminal devices. Mobile devices are subject to less interference.
  • network device 102, terminal device 116, or terminal device 122 may be a wireless communication transmitting device and/or a wireless communication receiving device.
  • the wireless communication transmitting device can encode the data for transmission.
  • the wireless communication transmitting device may acquire (eg, generate, receive from other communication devices, or store in memory, etc.) a certain number of data bits to be transmitted over the channel to the wireless communication receiving device.
  • Such data bits may be included in a transport block (or multiple transport blocks) of data, which may be segmented to generate a plurality of code blocks that are processed by bit mapping to generate data signals (ie, modulation symbols). .
  • a demodulation reference signal (or may also be referred to as a reference signal) may also be transmitted between the network device 102 and the terminal device 16 or the terminal device 122 for channel estimation.
  • the above data signal and the demodulation reference signal are transmitted through time-frequency resources provided by the communication system.
  • FIG. 2 is a schematic diagram of a time-frequency resource division manner according to an embodiment of the present invention.
  • a radio frame has a length of 10 ms, includes 10 subframes, each subframe has a length of 1 ms, and each subframe includes 2 slots, and uses a normal cyclic prefix (CP, Cyclic).
  • CP normal cyclic prefix
  • each time slot contains 7 symbols
  • in the case of using an extended cyclic prefix each time slot contains 6 symbols.
  • the frequency domain resource provided by the communication system includes multiple subcarriers, and one subcarrier under one symbol is called a resource element (RE, Resource Element).
  • a method for transmitting uplink data is applied to a communication system that performs resource mapping processing using a first mapping mode or a second mapping mode, in which the number of subcarriers to which a data signal is mapped is Different from the number of subcarriers to which the demodulation reference signal is mapped, and the subcarrier to which the data signal is mapped belongs to a subcarrier to which the demodulation reference signal is mapped, and the data signal is mapped to an integer multiple of subcarriers of N
  • the demodulation reference signal is mapped to an integer multiple of 12 subcarriers, where N is any of the following values: 2, 3, 4, or 6.
  • the second mapping mode the data signal and the demodulation reference signal are mapped to The number and location of the subcarriers are the same, and the data signal and the demodulation reference signal are mapped to an integer multiple of 12 subcarriers.
  • the minimum unit of the uplink resource allocation of the communication system is a first type of resource block (RB, Resource Block).
  • RB Resource Block
  • the resources occupied by the uplink resource allocation data and the demodulation reference signal are all integers of the foregoing RB#1.
  • FIG. 3 is a schematic diagram of a minimum unit of uplink resource allocation in a second mapping mode according to an embodiment of the present invention. As shown in FIG. 3, for example, in a normal CP, one RB#1 includes 12 consecutive subcarriers and 1 12 x 7 REs of time slots.
  • the data signal and the reference signal can be carried, and the minimum unit (or unit) for the uplink resource allocation of the data signal and the reference signal is the same.
  • the data signal is mapped to an RE of RB#1 with the number (k, l 1 ), where k represents the sequence number of the subcarrier occupied in the frequency domain, and l 1 represents the occupation in the time domain.
  • the minimum unit (or unit) of the resource mapping of the data signal and the demodulation reference signal is different.
  • the minimum unit of uplink resource allocation of the communication system is 12 ⁇ 1 REs corresponding to 12 consecutive subcarriers and 1 symbol.
  • RB#2 the resources occupied by the demodulation reference signals after the uplink resource allocation (including the symbols in the time domain and the subcarriers in the frequency domain) are all integer multiples of the foregoing RB#2.
  • the minimum unit of the uplink resource allocation of the communication system is N ⁇ 6 REs corresponding to N consecutive subcarriers and 6 symbols.
  • N the resources occupied by the data signals after the uplink resource allocation (including the symbols in the time domain and the subcarriers in the frequency domain) are all integer multiples of the foregoing RB#3.
  • the value of N may be 2, 3, 4 or 6, and may be selected according to the needs of the system, as long as the network device and the terminal device are selected to have the same N.
  • N 6 is an example for explanation.
  • the minimum unit of uplink resource allocation of the demodulation reference signal in the first mapping mode may be the same as the minimum unit of uplink resource allocation of the demodulation reference signal in the second mapping mode,
  • the minimum unit of uplink resource allocation of the data signal in the first mapping mode is different from the minimum unit of uplink resource allocation of the data signal in the second mapping mode.
  • the subcarrier to which the data signal is mapped belongs to a symbol with a sequence number of 0, 1, 2, 4, 5, and 6 in each slot.
  • the subcarrier to which the demodulation reference signal is mapped belongs to the subcarrier corresponding to the symbol of sequence number 3 in each slot.
  • the positional relationship between the foregoing RB#2 and RB#3 in the time domain and the resource unit carrying the demodulation reference signal and the resource unit carrying the data signal in the RB#1 are in the time domain.
  • the positional relationship is similar, that is, under normal CP, RB#3 occupies the first 3 and last 3 symbols of each time slot in the time domain (ie, the sequence number is 0, 1, 2, 4 in each time slot). 5, 6 symbols), RB#2 occupies the 4th symbol of each time slot in the time domain (ie, the symbol numbered 3 in each time slot).
  • Figure 4 shows the positional relationship of RB#2 and RB#3 in the frequency domain under normal CP, that is, in positive Under the normal CP, the subcarrier occupied by RB#3 belongs to the subcarrier occupied by RB#2.
  • RB#2 occupies 12 consecutive subcarriers in the frequency domain.
  • the carrier occupied by RB#3 belongs to the carrier occupied by RB#2.
  • the RB#2 corresponds to The starting sequence number of the occupied subcarrier of RB#3 is 12n or 12n+6, and n is a positive integer.
  • one RB#1 can be split into two RB#3 (hereinafter, RB#3A and RB#3B are categorized for convenience of distinction) and one RB#2. Therefore, in the embodiment of the present invention, two terminal devices can transmit data signals by using RB#3A and RB#3B, respectively, and the two terminal devices can share the RB#2 transmission demodulation reference signal, in this case, the network The device may allocate different cyclic shifts for the two terminal devices in the downlink control information (DCI) such that the two demodulation reference signals are orthogonal on RB#2. Subsequently, the process will be described in detail.
  • DCI downlink control information
  • one RB#3 occupies 3 subcarriers, and therefore, one RB#1 can be split into 4 RB#3 and one RB#2. Therefore, in the embodiment of the present invention, four terminal devices can respectively transmit data signals by using the above four RB#3, and the four terminal devices can share the RB#2 transmission demodulation reference signal, in this case, the network device.
  • the above four terminal devices can be assigned different cyclic offsets such that the four demodulation reference signals are orthogonal on RB#2.
  • the three terminal devices can respectively transmit the data signals by using the above three RB#3, and the three terminal devices can share the RB#2 transmission demodulation reference signal, in this case, the network device.
  • the above three terminal devices can be assigned different cyclic offsets so that the three demodulation reference signals are orthogonal on RB#2.
  • the sequence used for demodulating the reference signal may be any sequence of length 12, for example, a ZC sequence.
  • the network device may negotiate the specific value of N in the first mapping mode with each terminal device, or the high-level signaling may also notify the network device and each terminal device of the specific value of N, and thus, the network The device can be processed with the same N value as each terminal device.
  • the positional relationship between RB#2 and RB#3 in the time domain is merely exemplary, and the present invention is not limited thereto, for example, under the extended CP, for the data signal.
  • the smallest unit of uplink resource allocation of the communication system is N ⁇ 5 REs corresponding to N consecutive subcarriers and 5 symbols, for example, in this case, RB#3 occupies the first 2 of each time slot in the time domain. And after 3 The symbols, RB#4, occupy the third symbol of each time slot in the time domain.
  • the subcarrier to which the data signal is mapped belongs to the subcarrier corresponding to the symbol of the sequence number 0, 1, 3, 4, and 5 in each slot.
  • the subcarrier to which the demodulation reference signal is mapped belongs to the subcarrier corresponding to the symbol of sequence number 2 in each slot.
  • the uplink resource allocation situation in the first mapping mode and the second mapping mode is described above.
  • the method for transmitting uplink data according to an embodiment of the present invention is described in detail below with reference to FIG. 5 to FIG. 7.
  • FIG. 5 is a schematic flowchart of a method 200 for transmitting uplink data according to an embodiment of the present invention, as shown in FIG. 5.
  • the method 200 includes:
  • the network device determines, according to the first mapping mode and the second mapping mode, a target mapping mode.
  • the network device sends, to the first terminal device, information used to indicate the target mapping mode.
  • the network device receives a first demodulation reference signal and a first data signal that are generated by the first terminal device performing resource mapping processing according to the target mapping mode, where the first demodulation reference signal corresponds to W subcarriers.
  • the first data signal corresponds to T subcarriers of the W subcarriers, and W is an integer multiple of 12;
  • the network device determines the target mapping mode from the first mapping mode and the second mapping mode, including:
  • the network device determines, according to the size of the first uplink data that the first terminal device needs to transmit, the first mapping mode and the second mapping mode, where the first data signal is the first terminal device according to the target
  • the mapping mode is generated after performing resource mapping processing on the first uplink data.
  • the network device can learn the uplink data that the terminal device #1 (that is, an example of the first terminal device) needs to transmit during the upcoming uplink data transmission period (hereinafter, for the purpose of understanding and explanation, the uplink data is recorded.
  • the size of #1) (for example, the number of bytes included in the upstream data).
  • the process can be similar to the prior art, and a detailed description thereof will be omitted herein to avoid redundancy.
  • the network device can determine a mapping mode for uplink transmission of the terminal device #1 from the first mapping mode and the second mapping mode according to the size of the uplink data #1 as the target mapping mode.
  • the first data signal is a data signal of an enhanced voice service EVS service.
  • EVS Enhanced Voice Service
  • the size of data packets transmitted by EVS in an air interface in a typical scenario is much smaller than that of a conventional AMR data packet.
  • the uplink data #1 is a small data packet such as an enhanced voice service (EVS) voice data packet
  • EVS enhanced voice service
  • only a few subcarriers are needed to complete the transmission of the uplink data #1, and therefore, the network device
  • the first mapping mode can be selected as the above-described target mapping mode.
  • EVS service is only an exemplary description of a service with a small data packet, and the present invention is not limited thereto.
  • Other services with smaller data packets can use the first mapping mode for resource mapping. deal with.
  • the network device can select the second mapping mode as the target mapping. mode.
  • the network device may also determine the channel quality between the network device and the terminal device #1. If the channel quality is good, the terminal device #1 can encode the uplink data by using a high-order modulation and coding method, so that the generated code block is small, and only a few sub-carriers are needed to complete the transmission of the uplink data #1. In this case, the network device can select the first mapping mode as the target mapping mode described above.
  • the network device may further determine the number of subcarriers occupied by the uplink data #1, thereby determining the need. The number of the above RB#3 assigned to it.
  • the determining, by the network device, the target mapping mode from the first mapping mode and the second mapping mode according to the size of the first uplink data that the first terminal device needs to transmit including:
  • the network device determines, according to the size of the first uplink data, the number M of subcarriers required to transmit the first uplink data;
  • the network device determines to use the first mapping mode as the target mapping mode
  • the network device determines to use the first mapping mode as the target mapping mode, and i is a positive integer.
  • the network device can determine The above first mapping mode is taken as the target mapping mode for the terminal device #1.
  • the network device can determine that The first mapping mode described above is a target mapping mode for the terminal device #1.
  • the network device can determine that the first The mapping mode is used as the target mapping mode for the terminal device #1.
  • the network device can determine that the first The mapping mode is used as the target mapping mode for the terminal device #1.
  • the network device can determine to use the second mapping mode as the target mapping mode for the terminal device #1.
  • the network device can determine that the first mapping mode is the target mapping mode for the terminal device #1.
  • the network device can determine to use the second mapping mode as the target mapping mode for terminal device #1.
  • the network device may determine that the first mapping mode is used as the terminal. Target mapping mode for device #1.
  • the network device can determine to use the second mapping mode as the target mapping mode for terminal device #1.
  • the network device can determine to use the first mapping mode as the target mapping mode for the terminal device #1.
  • the network device can determine to use the second mapping mode as the target mapping mode for terminal device #1.
  • the network device may determine to use the first mapping mode as the target mapping mode for the terminal device #1.
  • the network device may transmit indication information indicating the target mapping mode to the terminal device #1 (hereinafter, for convenience of understanding and distinction, the indication information is recorded as # 1).
  • a mapping relationship between two identifiers and two mapping modes may be pre-stored in the terminal device and the network device.
  • 1 may correspond to the first mapping mode
  • 0 may be associated with the second mapping mode.
  • the network device can identify that the target mapping mode selected by the network device is the first by setting a bit (or an identifier bit) corresponding to the indication information #1 carried in the message sent to the terminal device #1.
  • Mapping mode and the network device can identify the target mapping mode selected by the network device by setting the bit (or the flag bit) corresponding to the indication information #1 carried in the message sent to the terminal device #1 to 0. Is the second mapping mode.
  • the first indication information may be carried in the control information sent by the network device to the terminal device, for example, Downlink Control Information (DCI).
  • DCI Downlink Control Information
  • the network device may further perform resource scheduling on the terminal device #1 to notify the terminal device #1 to perform time-frequency resources used in the resource mapping process.
  • the terminal device #1 may select a mapping mode corresponding to the indication information #1 from the first mapping mode and the second mapping mode as resource mapping for the uplink data #1.
  • the target mapping mode used.
  • the terminal device #1 may perform resource mapping processing (including resource mapping processing for data signals and resource mapping processing for demodulation reference signals) based on the target mapping mode according to resource scheduling of the network device.
  • resource mapping processing including resource mapping processing for data signals and resource mapping processing for demodulation reference signals
  • the demodulation reference signal of the terminal device #1 corresponds to 12 subcarriers, that is, subcarrier #0 to subcarrier #11 in FIG.
  • the data signal corresponds to 6 subcarriers, that is, subcarrier #0 to subcarrier #5 in FIG.
  • the data signal corresponding subcarrier is a part of the corresponding subcarrier of the demodulation reference signal, or the corresponding subcarrier of the data signal belongs to the subcarrier corresponding to the demodulation reference signal.
  • the data signal shown in FIG. 6 may be part or all of all data signals that the terminal device #1 needs to transmit to the network device, and the present invention is not particularly limited.
  • the uplink data #1 requires 3 RB#3 bearers, it is necessary to allocate 24 subcarriers for the terminal device #1 to carry three data signals and two demodulation reference signals.
  • the 12 subcarriers occupied by the two RB#3s corresponding to the first two data signals correspond to 12 subcarriers occupied by the RB#2 corresponding to the first demodulation reference signal, and the RB#3 corresponding to the last data signal.
  • the occupied 6 subcarriers correspond to the first 6 subcarriers of the 12 subcarriers occupied by the RB#2 corresponding to the second demodulation reference signal.
  • the target mapping mode is the first mapping mode
  • the positions of the W subcarriers in the first time slot and the second time slot of the first subframe carrying the first data signal are the same
  • the T subcarriers include subcarriers located at a first location among the W subcarriers
  • the T subcarriers include subcarriers located at a second location among the W subcarriers, where The first position is different from the second position.
  • the T subcarriers carrying the data signal in the two slots can be made.
  • the demodulation reference signal of the terminal device #1 corresponds to 12 subcarriers, that is, subcarrier #0 to subcarrier #11 in FIG.
  • the data signal corresponds to 6 subcarriers, that is, subcarrier #0 to subcarrier #5 in FIG.
  • the demodulation reference signal of the terminal device #1 corresponds to 12 subcarriers, that is, subcarrier #0 to subcarrier #11 in FIG.
  • the data signal corresponds to 6 subcarriers, that is, subcarrier #6 to subcarrier #11 in FIG.
  • the data signal corresponding subcarrier is a part of the corresponding subcarrier of the demodulation reference signal, or the corresponding subcarrier of the data signal belongs to the subcarrier corresponding to the demodulation reference signal.
  • the diversity gain can be utilized. For example, when the channel quality corresponding to the subcarriers #0 to 5# is poor, the subcarrier #6 is used. When the channel quality corresponding to the subcarrier #11 is high, it is possible to prevent the data signal from being always transmitted on the channel of poor quality, thereby improving the communication quality.
  • the above-mentioned frequency hopping method is only an example of resource mapping for data signals, and the present invention is not limited thereto.
  • the first location and the second location may be the same.
  • the target mapping mode is the first mapping mode
  • the position of the W subcarriers in the first time slot and the second time slot of the second subframe that carries the first demodulation reference signal different.
  • resource mapping processing for the demodulation reference signal may be performed in a frequency hopping manner, that is, in slot 0 (an example of the first slot of the second subframe), the bearer is carried.
  • the W subcarriers of the first demodulation reference signal are, for example, subcarrier #0 to subcarrier #11, and in slot 1 (an example of the second slot of the second subframe), carrying the first demodulation reference signal
  • the W subcarriers are, for example, subcarrier #12 to subcarrier #23.
  • the diversity gain can be utilized, for example, when the channel quality corresponding to the subcarriers #0 to #11# is poor, and the subcarriers# When the channel quality corresponding to 12 to subcarrier #23 is high, it is possible to prevent the demodulation reference signal from being always transmitted on the channel of poor quality, thereby improving the communication quality.
  • the target mode map for mapping a first mode, the T ⁇ W, and the first data signal is a first terminal device based on the first power control factor ⁇ 1 signal data obtained after power amplification processing
  • the uplink transmit power of the signal is P PUSCH,c , where P PUSCH,c is related to parameters such as path loss between the terminal device #1 and the network device.
  • the terminal device #1 may be the above data signal multiplied by the power factor ⁇ PUSCH (ie, an example of the first power control factor ⁇ 1 ) to satisfy the requirement of the uplink transmit power of the user, so that the uplink transmit power of the data signal is P PUSCH,c .
  • the power factor ⁇ PUSCH ie, an example of the first power control factor ⁇ 1
  • terminal device #1 may be the above pilot multiplied by the power factor
  • the method further includes:
  • the network device transmits information indicating the first power control factor ⁇ 1 or the second power control factor ⁇ 2 to the first terminal device.
  • the network device may further determine the first power control factor ⁇ 1 according to parameters such as path loss between the terminal device #1 and the network device, and indicate the first power control factor ⁇ 1
  • the information (hereinafter, referred to as instruction information #2 for ease of understanding and distinction) is sent to the terminal device #1.
  • the network device sends a signal for determining parameters such as path loss to the terminal device #1, so that the terminal device #1 can determine the path loss between the network device and the terminal device #1 according to the fifth indication information.
  • the indication information #2 and the indication information #1 may be carried in the same message, that is, the network device may simultaneously send the indication information #2 and the indication information by one transmission process. 1 is sent to terminal device #1.
  • the location of the indication information #2 and the indication information #1 in the message may be continuous or may be between the two. The present invention is not particularly limited by other information.
  • the indication information #2 and the indication information #1 may also be carried in different messages, that is, the network device may separately send the indication information #2 and the indication information #1 to the terminal device #1 through two transmission processes,
  • the present invention does not specifically limit the specific transmission process and number of transmissions.
  • the target mapping mode is the first mapping mode, then T ⁇ W, and
  • the method also includes:
  • the network device sends information indicating the first cyclic offset value to the first terminal device, so that the first terminal device performs resource mapping processing according to the first mapping mode and the first cyclic offset value, to The first demodulation reference signal is generated.
  • the method also includes:
  • the network device sends, to the second terminal device, information indicating a second cyclic offset value, the first cyclic offset value being different from the second cyclic offset value;
  • the network device receives the second data signal and the second demodulation reference signal sent by the second terminal device, where the second data signal is generated by the second terminal device performing resource mapping processing according to the first mapping mode, where the The second data signal includes a signal component corresponding to a subcarrier other than the T subcarriers of the W subcarriers, where the second demodulation reference signal is that the second terminal device according to the first mapping mode and the second cyclic offset
  • the first demodulation reference signal is overlapped with the second demodulation reference signal, which is generated after the value conversion is performed.
  • the terminal device #1 performs resource mapping by using the first mapping mode, and the number of subcarriers occupied by the finally generated data signal T ⁇ the number of subcarriers occupied by the demodulation reference signal is W, it indicates that one is used for transmission.
  • the carrier is allocated to the terminal device #2 (an example of the second terminal device) capable of resource mapping using the first mapping mode described above.
  • the method and the procedure for the network device to determine that the terminal device #2 can perform resource mapping using the first mapping mode is similar to the processing procedure for the terminal device #1.
  • detailed description thereof will be omitted.
  • the terminal device #1 and the terminal device #2 can complete the transmission of the uplink data by using one RB#3, the terminal device #1 and the terminal device #2 can multiplex the same RB#2 for transmission.
  • the demodulation reference signal is transmitted, that is, the two demodulation reference signals overlap in the frequency domain, or completely overlap.
  • terminal device #1 and terminal device #2 can multiplex two (or more) RB#2 to transmit the demodulation reference signal, ie
  • the two demodulation reference signals overlap in the frequency domain. For example, if the data signal of the terminal device #1 needs to occupy 18 subcarriers (for example, subcarrier numbers 0 to 17), the demodulation reference signal needs to occupy 24 subcarriers (subcarrier numbers 0 to 23).
  • the subcarrier number The subcarriers of 18 to 23 do not carry data signals. Therefore, if the number of subcarriers occupied by the data signal of the terminal device #2 is less than or equal to 6, the partial subcarriers can be allocated to the terminal device #2, ie, The two data signals occupy 6 subcarriers (18 to 23), and the pilots occupy 24 subcarriers (numbers 0 to 23).
  • the network device may allocate different cyclic shifts for the terminal device #1 and the terminal device #2 to make the two demodulation reference signals orthogonal. And transmitting, to the terminal device #1, information indicating the first cyclic offset value (hereinafter, referred to as the instruction information #3 for ease of understanding and distinction), and transmitting the second cyclic offset value to the terminal device #2.
  • the network device may send the cyclic offset and orthogonal mask of the demodulation reference signal in two downlink control information (DCI, Downlink Control Information) of the terminal device #1 and the terminal device #2, respectively.
  • the (Cyclic shift for DM RS and OCC index) field is set to a different value to indicate a different cyclic shift.
  • the indication information #3 and the indication information #1 and the indication information #2 may be carried in the same message, that is, the network device may simultaneously send the indication information by a sending process. 3.
  • the indication information #1 and the instruction information #2 are transmitted to the terminal device #1.
  • the location of the indication information #3 and the indication information #1 or the indication information #2 in the message may be continuous or other information spaced apart from each other, and the present invention is not particularly limited. .
  • the indication information #3 and the indication information #1 and the indication information #2 may also be carried in different messages, that is, the network device may separately indicate the indication information #1 by multiple transmission processes (two or three times).
  • the indication information #2 and the indication information #3 are transmitted to the terminal device #1, and the present invention does not particularly limit the specific transmission process and the number of transmissions.
  • two mapping modes can be provided.
  • the first mapping mode the number of subcarriers to which the data signal is mapped is mapped with the demodulation reference signal.
  • the number of subcarriers that are obtained is different, and the subcarrier to which the data signal is mapped belongs to a subcarrier to which the demodulation reference signal is mapped, and the data signal is mapped to an integer multiple of subcarriers of N, and the demodulation reference signal is used.
  • N being any of the following values: 2, 3, 4, or 6, thus enabling resource mapping processing for data signals in units of less than 12 subcarriers, thereby enabling the terminal device It is not necessary to occupy redundant subcarriers, which can reduce the burden on the terminal device, reduce interference to other terminal devices, waste the uplink transmission frequency domain resources, and improve the performance of the communication system.
  • the data transmission of the data signal can be completed by using only two sub-carriers in the two terminal devices
  • the method of transmitting uplink data in the present embodiment and the embodiment can perform resource mapping for data signals in units of 2, 3, 4, or 6, and by assigning different Cyclic shifts to the two terminal devices
  • the two terminal devices multiplex the same carrier transmission pilot reference signal, so that only 12 subcarriers are needed to complete the data transmission of the two terminal devices, which greatly reduces the waste of uplink transmission frequency domain resources.
  • the existing communication system can be compatible, for example, the LTE communication system.
  • the processing of the pilot resource mapping is performed, so that the practicability of the present invention can be further improved.
  • FIG. 8 is a schematic flowchart of a method 300 for transmitting uplink data according to an embodiment of the present invention, which is described in the perspective of a terminal device (for example, the above-described terminal device #1).
  • the method 300 is applied to use a first mapping mode or a communication system in which the second mapping mode performs resource mapping processing, in which the number of subcarriers to which the data signal is mapped is different from the number of subcarriers to which the demodulation reference signal is mapped, and the data signal
  • the mapped subcarrier belongs to a subcarrier to which the demodulation reference signal is mapped, and the data signal is mapped to an integer multiple of subcarriers of N, and the demodulation reference signal is mapped to an integer multiple of 12 subcarriers, where N is the following Any value: 2, 3, 4 or 6, in the second mapping mode, the number and position of the subcarriers to which the data signal and the demodulation reference signal are mapped are the same, and the data signal and the demodulation reference signal
  • the first terminal device performs resource mapping processing according to the target mapping mode to generate a first demodulation reference signal and a first data signal, wherein the first demodulation reference signal corresponds to W subcarriers, the first data signal corresponding to T subcarriers of the W subcarriers, and W is 12. Integer multiple
  • the first terminal device sends the first demodulation reference signal and the first data signal to the network device.
  • the target mapping mode is the first mapping mode, then T ⁇ W, and
  • the method also includes:
  • the first terminal device performs resource mapping processing according to the target mapping mode, including:
  • the first terminal device performs resource mapping processing according to the first mapping mode and the first cyclic offset value.
  • the first cyclic offset value is different from the second cyclic offset value
  • the second cyclic offset value is a cyclic offset value sent by the network device to the second terminal device
  • the second terminal device is configured according to
  • the second data signal generated after the resource mapping process is performed by the first mapping mode includes a signal component corresponding to a subcarrier other than the T subcarriers of the W subcarriers, and the second terminal device according to the first mapping mode and The second demodulation reference signal generated after the resource mapping process is performed by the second cyclic offset value overlaps with the first demodulation reference signal.
  • the target mapping mode is the first mapping mode
  • the positions of the W subcarriers in the first time slot and the second time slot of the first subframe carrying the first data signal are the same
  • the T subcarriers include subcarriers located at a first location among the W subcarriers
  • the T subcarriers include subcarriers located at a second location among the W subcarriers, where The first position is different from the second position.
  • the target mapping mode is the first mapping mode
  • the position of the W subcarriers in the first time slot and the second time slot of the second subframe that carries the first demodulation reference signal different.
  • the target mapping mode is the first mapping mode, then T ⁇ W, and
  • the method further includes:
  • the first terminal device performs power amplification processing on the first data signal based on the first power control factor ⁇ 1 ;
  • the method further includes:
  • the first terminal device receives information sent by the network device to indicate the first power control factor ⁇ 1 or the second power control factor ⁇ 2 .
  • the subcarrier to which the data signal is mapped belongs to a symbol with a sequence number of 0, 1, 2, 4, 5, and 6 in each slot.
  • the subcarrier to which the demodulation reference signal is mapped belongs to a subcarrier corresponding to the symbol of sequence number 3 in each slot; or
  • the subcarrier to which the data signal is mapped belongs to a subcarrier corresponding to the symbol of the sequence number 0, 1, 3, 4, and 5 in each slot, and the demodulation is performed.
  • the subcarrier to which the reference signal is mapped belongs to the subcarrier corresponding to the symbol of sequence number 2 in each slot.
  • the first data signal is a data signal of an enhanced voice service EVS service.
  • the action of the terminal device is similar to the action of the terminal device #1 in the above method 200
  • the action of the network device is similar to the action of the network device in the above method 200.
  • detailed description thereof will be omitted.
  • the number of subcarriers to which the data signal is mapped is related to the number of subcarriers to which the demodulation reference signal is mapped.
  • the subcarrier to which the data signal is mapped belongs to a subcarrier to which the demodulation reference signal is mapped, and the data signal is mapped to an integer multiple of subcarriers of N, and the demodulation reference signal is mapped to an integer multiple of 12
  • N is any of the following values: 2, 3, 4, or 6.
  • the data transmission of the data signal can be completed by using only two sub-carriers in the two terminal devices
  • the method of transmitting uplink data in the present embodiment and the embodiment can perform resource mapping for data signals in units of 2, 3, 4, or 6, and by assigning different Cyclic shifts to the two terminal devices
  • Two terminal devices multiplex the same carrier transmission pilot reference signal, so that only two subcarriers are needed to complete the two terminal devices
  • the data transmission greatly reduces the waste of uplink transmission frequency domain resources.
  • the existing communication system can be compatible, for example, the LTE communication system.
  • the processing of the pilot resource mapping is performed, so that the practicability of the present invention can be further improved.
  • FIG. 9 shows a schematic block diagram of an apparatus 400 for transmitting uplink data in accordance with an embodiment of the present invention.
  • the device 400 is configured in a communication system that performs resource mapping processing using a first mapping mode or a second mapping mode, in which the number of subcarriers to which the data signal is mapped and the demodulation reference signal are mapped to The number of subcarriers is different, and the subcarrier to which the data signal is mapped belongs to a subcarrier to which the demodulation reference signal is mapped, and the data signal is mapped to an integer multiple of subcarriers of N, and the demodulation reference signal is mapped to On an integer multiple of 12 subcarriers, N is any of the following values: 2, 3, 4, or 6.
  • the apparatus 400 includes:
  • a determining unit 410 configured to determine a target mapping mode from the first mapping mode and the second mapping mode
  • the sending unit 420 is configured to send, to the first terminal device, information used to indicate the target mapping mode.
  • the receiving unit 430 is configured to receive a first demodulation reference signal and a first data signal that are generated by the first terminal device after performing resource mapping processing according to the target mapping mode, where the first demodulation reference signal is compared with W subcarriers
  • the first data signal corresponds to T subcarriers of the W subcarriers
  • W is an integer multiple of 12.
  • the sending unit 420 is further configured to send, to the first terminal device, information indicating a first cyclic offset value, so that the The first terminal device performs resource mapping processing according to the first mapping mode and the first cyclic offset value to generate the first demodulation reference signal.
  • the sending unit 420 is further configured to send, to the second terminal device, information for indicating the first mapping mode and information for indicating a second cyclic offset value, where the first cyclic offset value is The second loop offset values are different;
  • the receiving unit 430 is further configured to receive the second data signal and the second demodulation reference signal that are sent by the second terminal device, where the second data signal is generated by the second terminal device performing resource mapping processing according to the first mapping mode.
  • the second data signal includes a signal component corresponding to a subcarrier other than the T subcarriers of the W subcarriers, where the second demodulation reference signal is according to the first mapping mode and the second terminal device.
  • the second cyclic offset value is generated after performing resource mapping processing, and the first demodulation reference signal overlaps with the second demodulation reference signal.
  • the target mapping mode is the first mapping mode
  • the positions of the W subcarriers in the first time slot and the second time slot of the first subframe carrying the first data signal are the same
  • the T subcarriers include subcarriers located at a first location among the W subcarriers
  • the T subcarriers include subcarriers located at a second location among the W subcarriers, where The first position is different from the second position.
  • the target mapping mode is the first mapping mode
  • the position of the W subcarriers in the first time slot and the second time slot of the second subframe that carries the first demodulation reference signal different.
  • the target mode map for mapping a first mode, the T ⁇ W, and the first data signal is a first terminal device based on the first power control factor ⁇ 1 signal data obtained after power amplification processing
  • the sending unit 420 is further configured to send, to the first terminal device, information for indicating the first power control factor ⁇ 1 or the second power control factor ⁇ 2 .
  • the subcarrier to which the data signal is mapped belongs to a symbol with a sequence number of 0, 1, 2, 4, 5, and 6 in each slot.
  • the subcarrier to which the demodulation reference signal is mapped belongs to a subcarrier corresponding to the symbol of sequence number 3 in each slot; or
  • the subcarrier to which the data signal is mapped belongs to a subcarrier corresponding to the symbol of the sequence number 0, 1, 3, 4, and 5 in each slot, and the demodulation is performed.
  • the subcarrier to which the reference signal is mapped belongs to the subcarrier corresponding to the symbol of sequence number 2 in each slot.
  • the determining unit 410 is specifically configured to determine, according to the size of the first uplink data that the first terminal device needs to transmit, the first mapping mode and the second mapping mode, where the first data signal is determined.
  • the first terminal device is configured to the first uplink number according to the target mapping mode. Generated after resource mapping processing.
  • the determining unit 410 is specifically configured to determine, according to the size of the first uplink data, a quantity M of subcarriers required to transmit the first uplink data;
  • the first data signal is a data signal of an enhanced voice service EVS service.
  • the apparatus 400 for transmitting uplink data may correspond to the network device in the method of the embodiment of the present invention, and the modules and the other operations and/or functions in the apparatus 400 for transmitting the uplink data respectively In order to implement the corresponding process of the method 200 in FIG. 5, for brevity, details are not described herein again.
  • the apparatus for transmitting uplink data can provide two mapping modes, in which the number of subcarriers to which the data signal is mapped is related to the number of subcarriers to which the demodulation reference signal is mapped. And the subcarrier to which the data signal is mapped belongs to a subcarrier to which the demodulation reference signal is mapped, and the data signal is mapped to an integer multiple of subcarriers of N, and the demodulation reference signal is mapped to an integer multiple of 12
  • N is any of the following values: 2, 3, 4, or 6. Therefore, it is possible to support resource mapping processing for data signals in units of less than 12 subcarriers, so that the terminal device does not need to occupy redundant subcarriers.
  • the burden on the terminal device can be reduced, the interference to other terminal devices and the waste of uplink transmission frequency domain resources can be reduced, and the performance of the communication system can be improved.
  • the data transmission of the data signal can be completed by using only two sub-carriers in the two terminal devices
  • the method of transmitting uplink data in the present embodiment and the embodiment can perform resource mapping for data signals in units of 2, 3, 4, or 6, and by assigning different Cyclic shifts to the two terminal devices
  • the two terminal devices multiplex the same carrier transmission pilot reference signal, so that only 12 subcarriers are needed to complete the data transmission of the two terminal devices, which greatly reduces the waste of uplink transmission frequency domain resources.
  • the existing communication system can be compatible, for example, the LTE communication system.
  • the processing of the pilot resource mapping is performed, so that the practicability of the present invention can be further improved.
  • FIG. 10 shows a schematic block diagram of an apparatus 500 for transmitting uplink data in accordance with an embodiment of the present invention.
  • the apparatus 500 is configured in a communication system that performs resource mapping processing using a first mapping mode or a second mapping mode, in which the number of subcarriers to which the data signal is mapped and the demodulation reference signal are mapped to The number of subcarriers is different, and the subcarrier to which the data signal is mapped belongs to a subcarrier to which the demodulation reference signal is mapped, and the data signal is mapped to an integer multiple of subcarriers of N, and the demodulation reference signal is mapped to On an integer multiple of 12 subcarriers, N is any of the following values: 2, 3, 4, or 6.
  • the apparatus 500 includes:
  • the receiving unit 510 is configured to receive, by the network device, information for indicating a target mapping mode, where the target mapping mode is determined by the network device from the first mapping mode and the second mapping mode;
  • the mapping unit 520 is configured to perform resource mapping processing according to the target mapping mode to generate a first demodulation reference signal and a first data signal, where the first demodulation reference signal corresponds to W subcarriers, the first data The signal corresponds to T subcarriers of the W subcarriers, and W is an integer multiple of 12;
  • the sending unit 530 is configured to send the first demodulation reference signal and the first data signal to the network device.
  • the receiving unit 510 is further configured to receive information sent by the network device to indicate a first cyclic offset value
  • the mapping unit 520 is specifically configured to perform resource mapping processing according to the first mapping mode and the first cyclic offset value.
  • the first cyclic offset value is different from the second cyclic offset value
  • the second cyclic offset value is a cyclic offset value sent by the network device to the second terminal device
  • the second terminal device is configured according to
  • the second data signal generated after the resource mapping process is performed by the first mapping mode includes a signal component corresponding to a subcarrier other than the T subcarriers of the W subcarriers, and the second terminal device according to the first mapping mode and The second demodulation reference signal generated after the resource mapping process is performed by the second cyclic offset value overlaps with the first demodulation reference signal.
  • the target mapping mode is the first mapping mode
  • the positions of the W subcarriers in the first time slot and the second time slot of the first subframe carrying the first data signal are the same
  • the T subcarriers include subcarriers located at a first location among the W subcarriers
  • the T subcarriers include subcarriers located at a second location among the W subcarriers, and the first location is different from the second location.
  • the target mapping mode is the first mapping mode
  • the position of the W subcarriers in the first time slot and the second time slot of the second subframe that carries the first demodulation reference signal different.
  • the transmission unit 530 performs power amplification for further processing based on the first power control factor ⁇ 1 of the first data signal based on the second
  • the receiving unit 510 is further configured to receive information sent by the network device to indicate the first power control factor ⁇ 1 or the second power control factor ⁇ 2 .
  • the mapping unit 520 is specifically configured to map the data signal into each time slot with a sequence number of 0, 1, 2, 4, and 5.
  • the T subcarrier corresponding to the symbol of 6 maps the demodulation reference signal to W subcarriers corresponding to the symbol of sequence number 3 in each slot; or
  • the mapping unit 520 is specifically configured to map the data signal to the T subcarriers corresponding to the symbols of the sequence numbers 0, 1, 3, 4, and 5 in each slot.
  • the subcarrier to which the demodulation reference signal is mapped belongs to the W subcarriers corresponding to the symbol of sequence number 2 in each slot.
  • the first data signal is a data signal of an enhanced voice service EVS service.
  • the apparatus 500 for transmitting uplink data may correspond to a terminal device (for example, terminal device #1) in the method of the embodiment of the present invention, and each unit in the device 500 for transmitting uplink data is a module and
  • the other operations and/or functions described above are respectively implemented in order to implement the corresponding processes of the method 300 in FIG. 8. For brevity, details are not described herein again.
  • the apparatus for transmitting uplink data can provide two mapping modes, in which the number of subcarriers to which the data signal is mapped is related to the number of subcarriers to which the demodulation reference signal is mapped. And the subcarrier to which the data signal is mapped belongs to a subcarrier to which the demodulation reference signal is mapped, and the data signal is mapped to an integer multiple of subcarriers of N, and the demodulation reference signal is mapped to an integer multiple of 12 On the carrier, N is any of the following values: 2, 3, 4, or 6. Therefore, it is possible to support resource mapping processing for data signals in units of less than 12 subcarriers, so that the terminal device does not need to occupy redundant subcarriers. Can reduce the burden on the terminal device, Reduce interference to other terminal devices and waste of uplink transmission frequency domain resources, and improve the performance of the communication system.
  • the data transmission of the data signal can be completed by using only two sub-carriers in the two terminal devices
  • the method of transmitting uplink data in the present embodiment and the embodiment can perform resource mapping for data signals in units of 2, 3, 4, or 6, and by assigning different Cyclic shifts to the two terminal devices
  • the two terminal devices multiplex the same carrier transmission pilot reference signal, so that only 12 subcarriers are needed to complete the data transmission of the two terminal devices, which greatly reduces the waste of uplink transmission frequency domain resources.
  • the existing communication system can be compatible, for example, the LTE communication system.
  • the processing of the pilot resource mapping is performed, so that the practicability of the present invention can be further improved.
  • FIG. 11 shows a schematic block diagram of an apparatus 600 for transmitting uplink data in accordance with an embodiment of the present invention.
  • the device 600 is configured in a communication system that performs resource mapping processing using a first mapping mode or a second mapping mode, in which the number of subcarriers to which the data signal is mapped and the demodulation reference signal are mapped to The number of subcarriers is different, and the subcarrier to which the data signal is mapped belongs to a subcarrier to which the demodulation reference signal is mapped, and the data signal is mapped to an integer multiple of subcarriers of N, and the demodulation reference signal is mapped to On an integer multiple of 12 subcarriers, N is any of the following values: 2, 3, 4, or 6.
  • the device 600 includes:
  • processor 620 connected to the bus 610;
  • a memory 630 connected to the bus 610;
  • Transceiver 640 coupled to bus 610
  • the processor 620 by using the bus 610, invokes a program stored in the memory 630, for determining a target mapping mode from the first mapping mode and the second mapping mode;
  • the first demodulation reference signal corresponds to T subcarriers of the W subcarriers, and W is an integer multiple of 12.
  • the processor 620 is further configured to control the transceiver 640 to send the first terminal device to indicate the first cyclic offset value.
  • the information is such that the first terminal device performs resource mapping processing according to the first mapping mode and the first cyclic offset value to generate the first demodulation reference signal.
  • the processor 620 is further configured to control the transceiver 640 to send, to the second terminal device, information for indicating the first mapping mode and information for indicating a second cyclic offset value, where the first cyclic The shift value is different from the second loop offset value;
  • the second data signal and the second demodulation reference signal sent by the second terminal device are received by the second terminal device, and the second data signal is generated by the second terminal device performing resource mapping processing according to the first mapping mode.
  • the second data signal includes a signal component corresponding to a subcarrier other than the T subcarriers of the W subcarriers, where the second demodulation reference signal is according to the first mapping mode and the second terminal device.
  • the second cyclic offset value is generated after performing resource mapping processing, and the first demodulation reference signal overlaps with the second demodulation reference signal.
  • the target mapping mode is the first mapping mode
  • the positions of the W subcarriers in the first time slot and the second time slot of the first subframe carrying the first data signal are the same
  • the T subcarriers include subcarriers located at a first location among the W subcarriers
  • the T subcarriers include subcarriers located at a second location among the W subcarriers, where The first position is different from the second position.
  • the target mapping mode is the first mapping mode
  • the position of the W subcarriers in the first time slot and the second time slot of the second subframe that carries the first demodulation reference signal different.
  • the target mode map for mapping a first mode, the T ⁇ W, and the first data signal is a first terminal device based on the first power control factor ⁇ 1 signal data obtained after power amplification processing
  • the processor 620 is further configured to control the transceiver 640 to send information to the first terminal device for indicating the first power control factor ⁇ 1 or the second power control factor ⁇ 2 .
  • the subcarrier to which the data signal is mapped belongs to a symbol with a sequence number of 0, 1, 2, 4, 5, and 6 in each slot.
  • the subcarrier to which the demodulation reference signal is mapped belongs to a subcarrier corresponding to the symbol of sequence number 3 in each slot; or
  • the subcarrier to which the data signal is mapped belongs to a subcarrier corresponding to the symbol of the sequence number 0, 1, 3, 4, and 5 in each slot, and the demodulation is performed.
  • the subcarrier to which the reference signal is mapped belongs to the subcarrier corresponding to the symbol of sequence number 2 in each slot.
  • the processor 620 is specifically configured to determine, according to the size of the first uplink data that the first terminal device needs to transmit, the first mapping mode and the second mapping mode, where the first data signal is determined.
  • the first terminal device generates the resource mapping process on the first uplink data according to the target mapping mode.
  • the processor 620 is specifically configured to determine, according to the size of the first uplink data, a quantity M of subcarriers required to transmit the first uplink data;
  • the first data signal is a data signal of an enhanced voice service EVS service.
  • the processor can also be referred to as a CPU.
  • the memory can include read only memory and random access memory and provides instructions and data to the processor. A portion of the memory may also include non-volatile line random access memory (NVRAM).
  • device 600 may be embedded or may itself be a network device such as a base station, and may also include a carrier that houses the transmitting circuitry and the receiving circuitry to allow for data transmission and reception between device 600 and a remote location.
  • the transmit and receive circuits can be coupled to the antenna.
  • the various components of device 600 are coupled together by a bus, wherein the bus includes a power bus, a control bus, and a status signal bus in addition to the data bus. However, for the sake of clarity, various buses are labeled as bus 610 in the figure.
  • the decoder in a specific different product may be integrated with the processing unit.
  • the processor may implement or perform the steps and logic blocks disclosed in the method embodiments of the present invention.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor, decoder or the like.
  • the steps of the method disclosed in connection with the embodiments of the present invention may be directly embodied as hardware.
  • the processor execution is complete or is performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the processor 620 may be a central processing unit (“CPU"), and the processor 620 may also be other general-purpose processors, digital signal processors (DSPs). , an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, and the like.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 630 can include read only memory and random access memory and provides instructions and data to the processor 20. A portion of the memory 630 may also include a non-volatile random access memory. For example, the memory 630 can also store information of the device type.
  • the bus 610 may include a power bus, a control bus, a status signal bus, and the like in addition to the data bus. However, for clarity of description, various buses are labeled as bus 610 in the figure.
  • each step of the above method may be completed by an integrated logic circuit of hardware in the processor 620 or an instruction in a form of software.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 630, and the processor 620 reads the information in the memory 630 and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the device 600 for transmitting uplink data may correspond to the network device in the method of the embodiment of the present invention, and the modules and the other operations and/or functions in the device 600 for transmitting the uplink data respectively In order to implement the corresponding process of the method 200 in FIG. 5, for brevity, details are not described herein again.
  • the apparatus for transmitting uplink data can provide two mapping modes, in which the number of subcarriers to which the data signal is mapped is related to the number of subcarriers to which the demodulation reference signal is mapped. And the subcarrier to which the data signal is mapped belongs to a subcarrier to which the demodulation reference signal is mapped, and the data signal is mapped to an integer multiple of subcarriers of N, and the demodulation reference signal is mapped to an integer multiple of 12 On the carrier, N is any of the following values: 2, 3, 4, or 6. Therefore, it is possible to support resource mapping processing for data signals in units of less than 12 subcarriers, so that the terminal device does not need to occupy redundant subcarriers. Can reduce the burden on the terminal device, Reduce interference to other terminal devices and waste of uplink transmission frequency domain resources, and improve the performance of the communication system.
  • the data transmission of the data signal can be completed by using only two sub-carriers in the two terminal devices
  • the method of transmitting uplink data in the present embodiment and the embodiment can perform resource mapping for data signals in units of 2, 3, 4, or 6, and by assigning different Cyclic shifts to the two terminal devices
  • the two terminal devices multiplex the same carrier transmission pilot reference signal, so that only 12 subcarriers are needed to complete the data transmission of the two terminal devices, which greatly reduces the waste of uplink transmission frequency domain resources.
  • the existing communication system can be compatible, for example, the LTE communication system.
  • the processing of the pilot resource mapping is performed, so that the practicability of the present invention can be further improved.
  • FIG. 12 shows a schematic block diagram of an apparatus 700 for transmitting uplink data in accordance with an embodiment of the present invention.
  • the device 700 is configured in a communication system that performs resource mapping processing using a first mapping mode or a second mapping mode, where the number of subcarriers to which the data signal is mapped and the demodulation reference signal are mapped to The number of subcarriers is different, and the subcarrier to which the data signal is mapped belongs to a subcarrier to which the demodulation reference signal is mapped, and the data signal is mapped to an integer multiple of subcarriers of N, and the demodulation reference signal is mapped to On an integer multiple of 12 subcarriers, N is any of the following values: 2, 3, 4, or 6.
  • the device 700 includes:
  • processor 720 connected to the bus 710;
  • a memory 730 connected to the bus 710;
  • Transceiver 740 coupled to bus 710
  • the processor 720 by using the bus 710, invokes a program stored in the memory 730, for controlling the transceiver 740 to receive information sent by the network device for indicating a target mapping mode, where the target mapping mode is Determining, by the network device, the first mapping mode and the second mapping mode;
  • the target mapping mode And performing resource mapping processing according to the target mapping mode to generate a first demodulation reference signal And a first data signal, wherein the first demodulation reference signal corresponds to W subcarriers, the first data signal corresponding to T subcarriers of the W subcarriers, and W is an integer multiple of 12;
  • the transceiver 740 is configured to send the first demodulation reference signal and the first data signal to the network device.
  • the processor 720 is further configured to control the transceiver 740 to receive information sent by the network device to indicate a first cyclic offset value. ;as well as
  • the processor 720 is specifically configured to perform resource mapping processing according to the first mapping mode and the first cyclic offset value.
  • the first cyclic offset value is different from the second cyclic offset value
  • the second cyclic offset value is a cyclic offset value sent by the network device to the second terminal device
  • the second terminal device is configured according to
  • the second data signal generated after the resource mapping process is performed by the first mapping mode includes a signal component corresponding to a subcarrier other than the T subcarriers of the W subcarriers, and the second terminal device according to the first mapping mode and The second demodulation reference signal generated after the resource mapping process is performed by the second cyclic offset value overlaps with the first demodulation reference signal.
  • the target mapping mode is the first mapping mode
  • the positions of the W subcarriers in the first time slot and the second time slot of the first subframe carrying the first data signal are the same
  • the T subcarriers include subcarriers located at a first location among the W subcarriers
  • the T subcarriers include subcarriers located at a second location among the W subcarriers, where The first position is different from the second position.
  • the target mapping mode is the first mapping mode
  • the position of the W subcarriers in the first time slot and the second time slot of the second subframe that carries the first demodulation reference signal different.
  • the processor 720 is further configured to control the transceiver 740 to receive information sent by the network device to indicate the first power control factor ⁇ 1 or the second power control factor ⁇ 2 .
  • the mapping unit when the normal cyclic prefix CP is used, the mapping unit is specifically configured to map the data signal into each time slot with the sequence number 0, 1, 2, 4, 5, and 6. symbol Corresponding T subcarriers, mapping the demodulation reference signal to W subcarriers corresponding to the symbol of sequence number 3 in each slot; or
  • the mapping unit when the CP is extended, the mapping unit is specifically configured to map the data signal to T subcarriers corresponding to the symbols of the sequence numbers 0, 1, 3, 4, and 5 in each slot.
  • the subcarrier to which the demodulation reference signal is mapped belongs to the W subcarriers corresponding to the symbol of sequence number 2 in each slot.
  • the first data signal is a data signal of an enhanced voice service EVS service.
  • the processor can also be referred to as a CPU.
  • the memory can include read only memory and random access memory and provides instructions and data to the processor. A portion of the memory may also include non-volatile line random access memory (NVRAM).
  • the device 700 may be embedded or may itself be a terminal device such as a mobile phone, and may also include a carrier that houses the transmitting circuit and the receiving circuit to allow data transmission and reception between the device 700 and the remote location.
  • the transmit and receive circuits can be coupled to the antenna.
  • the various components of device 700 are coupled together by a bus, wherein the bus includes a power bus, a control bus, and a status signal bus in addition to the data bus. However, for the sake of clarity, various buses are labeled as bus 710 in the figure.
  • the decoder in a specific different product may be integrated with the processing unit.
  • the processor may implement or perform the steps and logic blocks disclosed in the method embodiments of the present invention.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor, decoder or the like.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented by the hardware processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the processor 720 may be a central processing unit (“CPU"), and the processor 720 may also be other general-purpose processors, digital signal processors (DSPs). , an application specific integrated circuit (ASIC), an off-the-shelf programmable gate array (FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component, and the like.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the memory 730 can include read only memory and random access memory and provides instructions and data to the processor 720.
  • a portion of the memory 730 may also include a non-volatile random access memory.
  • the memory 730 can also store information of the device type.
  • the bus 710 may include a power bus, a control bus, and a shape in addition to the data bus. State signal bus, etc. However, for clarity of description, various buses are labeled as bus 7100 in the figure.
  • each step of the above method may be completed by an integrated logic circuit of hardware in the processor 620 or an instruction in a form of software.
  • the steps of the method disclosed in the embodiments of the present invention may be directly implemented as a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory 730, and the processor 720 reads the information in the memory 630 and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
  • the device 700 for transmitting uplink data may correspond to the network device in the method of the embodiment of the present invention, and the modules and the other operations and/or functions in the device 700 for transmitting the uplink data respectively
  • the modules and the other operations and/or functions in the device 700 for transmitting the uplink data respectively
  • no further details are provided herein.
  • the apparatus for transmitting uplink data can provide two mapping modes, in which the number of subcarriers to which the data signal is mapped is related to the number of subcarriers to which the demodulation reference signal is mapped. And the subcarrier to which the data signal is mapped belongs to a subcarrier to which the demodulation reference signal is mapped, and the data signal is mapped to an integer multiple of subcarriers of N, and the demodulation reference signal is mapped to an integer multiple of 12
  • N is any of the following values: 2, 3, 4, or 6. Therefore, it is possible to support resource mapping processing for data signals in units of less than 12 subcarriers, so that the terminal device does not need to occupy redundant subcarriers.
  • the burden on the terminal device can be reduced, the interference to other terminal devices and the waste of uplink transmission frequency domain resources can be reduced, and the performance of the communication system can be improved.
  • the data transmission of the data signal can be completed by using only two sub-carriers in the two terminal devices
  • the method of transmitting uplink data in the present embodiment and the embodiment can perform resource mapping for data signals in units of 2, 3, 4, or 6, and by assigning different Cyclic shifts to the two terminal devices
  • the two terminal devices multiplex the same carrier transmission pilot reference signal, so that only 12 subcarriers are needed to complete the data transmission of the two terminal devices, which greatly reduces the waste of uplink transmission frequency domain resources.
  • the existing communication system can be compatible, for example, the LTE communication system. Waiting for the mapping of pilot resources, which can further improve the present The practicality of Ming.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention.
  • the implementation process constitutes any limitation.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including Several instructions are used to make a computer device (which can be a personal computer, a server, Or a network device or the like) performing all or part of the steps of the method of the various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

L'invention concerne un procédé et un dispositif pour transférer des données de liaison montante, le procédé comprenant les opérations suivantes : un appareil de réseau détermine, à partir d'un premier mode de mappage et d'un second mode de mappage, un mode de mappage cible ; l'appareil de réseau transmet, à un premier appareil de terminal, des informations indiquant le mode de mappage cible ; l'appareil de réseau reçoit un premier signal de référence de démodulation et un premier signal de données généré par le premier appareil de terminal réalisant un mappage de ressources selon le mode de mappage cible ; dans le premier mode de mappage, un certain nombre de sous-porteuses mappées par le signal de données est différent de celui de sous-porteuses mappées par le signal de référence de démodulation, le signal de données étant mappé à des sous-porteuses d'un multiple entier de N, le signal de référence de démodulation étant mappé à des sous-porteuses avec un multiple entier de 12, et N étant l'une quelconque des valeurs numériques suivantes : 2, 3, 4 ou 6 ; et dans le second mode de mappage, le nombre et les positions des sous-porteuses mappées par le signal de données et le signal de référence de démodulation sont les mêmes, et le signal de données et le signal de référence de démodulation sont mappés à des sous-porteuses avec un multiple entier de 12.
PCT/CN2015/097993 2014-12-31 2015-12-21 Procédé et dispositif pour transférer des données de liaison montante WO2016107430A1 (fr)

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