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WO2017198067A1 - Procédé de traitement de pilote de démodulation de référence, dispositif et support de stockage informatique - Google Patents

Procédé de traitement de pilote de démodulation de référence, dispositif et support de stockage informatique Download PDF

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Publication number
WO2017198067A1
WO2017198067A1 PCT/CN2017/082724 CN2017082724W WO2017198067A1 WO 2017198067 A1 WO2017198067 A1 WO 2017198067A1 CN 2017082724 W CN2017082724 W CN 2017082724W WO 2017198067 A1 WO2017198067 A1 WO 2017198067A1
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WIPO (PCT)
Prior art keywords
demodulation pilot
reference demodulation
time domain
control channel
data channel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/082724
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English (en)
Chinese (zh)
Inventor
陈艺戬
鲁照华
郝鹏
李儒岳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
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ZTE Corp
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Filing date
Publication date
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Publication of WO2017198067A1 publication Critical patent/WO2017198067A1/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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and device for processing a reference demodulation pilot in the field of wireless communications, and a computer storage medium.
  • a reference demodulation signal and a control channel of a control channel are multiplexed by a combination of time division and frequency division.
  • the characteristic is that in the OFDM symbol where the control channel is located, there is a reference demodulation pilot corresponding to the control channel; the reference demodulation pilot of the data channel and the data channel is also multiplexed in the same manner, in the data channel Within the OFDM symbol, there will be a reference demodulation pilot corresponding to the data channel.
  • LTE Long Term Evolution
  • both the control channel and the data channel use the Cell Specific Reference Signal (CRS) for reference demodulation.
  • CRS is embedded in the Physical Downlink Control Channel (PDCCH) and physical.
  • PDSCH Physical Downlink Shared CHannel
  • the PDCCH and the PDSCH are multiplexed in a time division manner using different OFDM symbols in a subframe.
  • DMRS Demodulation Reference Signal
  • a new enhanced control channel (EPDCCH, Enhanced Physical Downlink Control Channel) is introduced in Release 11 and later.
  • the EPDCCH is demodulated based on DMRS in the same RB.
  • the PDSCH is also based on DMRS demodulation in the same RB.
  • the EPDCCH and PDSCH are used differently.
  • the RB is transmitted by frequency division multiplexing.
  • the reference demodulation pilot of the data or control is embedded in the OFDM symbol in which the data channel and the control channel are located, and is distributed very discretely in the time domain.
  • the problem caused by this method is that the receiving end needs to accept and buffer the last channel OFDM symbol containing the reference demodulation pilot before starting the channel estimation process of the pilot, and then performing data or control demodulation.
  • This method will lead to an increase in processing delay; the pilot and data/control mix OFDM symbols, so that some parameter settings of the OFDM symbol need to take into account both the characteristics of the pilot and the characteristics of the data, affecting flexibility, and cannot be targeted for optimization. .
  • the embodiment of the present invention provides a process for reference demodulation pilot.
  • Method and device computer storage medium.
  • the first type of reference demodulation pilot and the second type of reference demodulation pilot are associated with the data channel.
  • the first type of reference demodulation pilot is located before the transmission time domain position corresponding to the control information.
  • the second part of the first type of reference demodulation pilot is located in the corresponding transmission of the control information. After the time domain location.
  • the second type of reference demodulation pilot is located before the transmission time domain position corresponding to the control information.
  • the first type of reference demodulation pilots and the second type of reference demodulation pilots are both located before the transmission time domain position corresponding to the control information.
  • the first type of reference demodulation pilot is located after the transmission time domain location corresponding to the control information, and is located before the transmission time domain location corresponding to the data information.
  • the first type of reference demodulation pilots and the second type of reference demodulation pilots are both located after the transmission time domain position corresponding to the control information, and are located before the transmission time domain position corresponding to the data information. .
  • the first type of reference demodulation pilot is associated with a control channel and a data channel; the second type of reference demodulation pilot is associated with a data channel.
  • the first type of reference demodulation pilot is located before the transmission time domain position corresponding to the control information.
  • the second part of the first type of reference demodulation pilot is located in the corresponding transmission of the control information. After the time domain location.
  • the second type of reference demodulation pilot is located before the transmission time domain position corresponding to the control information.
  • the first type of reference demodulation pilots and the second type of reference demodulation pilots are both located before the transmission time domain position corresponding to the control information.
  • the first type of reference demodulation pilot is located after the transmission time domain location corresponding to the control information, and is located before the transmission time domain location corresponding to the data information.
  • the first type of reference demodulation pilots and the second type of reference demodulation pilots are both located after the transmission time domain position corresponding to the control information, and are located before the transmission time domain position corresponding to the data information. .
  • the positional relationship includes: a time domain positional relationship between a reference demodulation pilot associated with the data channel and the control channel; and/or, The time domain positional relationship of the reference demodulation pilot associated with the control channel and/or the time domain positional relationship of the reference demodulation pilot associated with the control channel and the data channel; and/or the control channel association Time-domain positional relationship between the reference demodulation pilot and the control channel and the data channel;
  • the transmission of the reference demodulation pilot is performed in accordance with the determined time domain positional relationship.
  • the time domain positional relationship between the reference demodulation pilot and the control channel associated with the data channel includes:
  • the reference demodulation pilot signal associated with the data channel is transmitted using a second time domain symbol set, the control channel using a third time domain symbol set Transmitting; wherein all symbols included in the second time domain symbol set are located before symbols included in the third time domain symbol set.
  • the time domain location relationship between the reference demodulation pilot associated with the data channel and the control channel and the data channel includes:
  • the reference demodulation pilot signal associated with the data channel is transmitted using the second time domain symbol set, and the control channel uses the third time The domain symbol set is transmitted, and the data channel is transmitted using the fourth time domain symbol set; wherein the second time domain symbol set includes all symbols located after the symbol included in the third time domain symbol set, and All symbols included in the second time domain symbol set are located before the symbols contained in the fourth time domain symbol set.
  • the time domain positional relationship between the reference demodulation pilot and the control channel associated with the data channel includes:
  • the reference demodulation pilot signal associated with the data channel is transmitted using a second time domain symbol set, and the control channel uses a third time domain symbol set Transmitting; wherein the second time domain symbol set includes a first partial symbol located before the symbol included in the third time domain symbol set, and the second time domain symbol set includes a second partial symbol located
  • the third time domain symbol set is followed by a symbol.
  • the time domain location relationship between the reference demodulation pilot and the data channel associated with the data channel includes:
  • the reference demodulation pilot signal associated with the data channel is transmitted using a second time domain symbol set
  • the data channel is transmitted using a fourth time domain symbol set; wherein the second time domain symbol set includes a first partial symbol Both are located before the symbols included in the fourth time domain symbol set, and the second time domain symbol set includes second partial symbols located after the symbols included in the fourth time domain symbol set.
  • the time domain location relationship between the reference demodulation pilot associated with the control channel and the control channel and the data channel includes:
  • the reference demodulation pilot signal associated with the control channel is transmitted using the first time domain symbol set, and the control channel uses the third time.
  • the domain symbol set is transmitted, and the data channel is transmitted using the fourth time domain symbol set; wherein the first time domain symbol set includes all symbols located after the symbol included in the third time domain symbol set, and All symbols included in the first time domain symbol set are located before the symbols included in the fourth time domain symbol set.
  • the time domain positional relationship between the reference demodulation pilot and the control channel associated with the control channel includes:
  • the reference demodulation pilot signal associated with the control channel is transmitted using a first time domain symbol set, and the control channel uses a third time domain symbol set Transmitting; wherein, the first time domain symbol set includes a first partial symbol located before the symbol included in the third time domain symbol set, and the first time domain symbol set includes a second partial symbol located
  • the third time domain symbol set is followed by a symbol.
  • the method further includes:
  • the reference demodulation pilot configuration signaling is transmitted to indicate time domain location information of the reference demodulation pilot.
  • the method further includes:
  • the time domain positional relationship between the reference demodulation pilot associated with the data channel and the control channel is indicated by the control information carried in the control channel.
  • the location relationship includes: a time domain location relationship between a reference demodulation pilot associated with the data channel and the control channel; and/or a time domain position relationship of the reference demodulation pilot associated with the control channel and the control channel; Or, the time domain positional relationship between the reference demodulation pilot associated with the data channel and the control channel and the data channel; and/or the time domain positional relationship between the reference demodulation pilot associated with the control channel and the control channel and the data channel.
  • determining the reference demodulation pilot associated with the data channel and/or the reference demodulation pilot associated with the control channel, and the time domain position relationship of the control information and/or the data information including:
  • Configuration signaling working frequency band, number of transmission layers, service type, subframe type, duplex mode, transmission mode, resource size occupied by the reference demodulation pilot, resource size occupied by the data channel, and resource size occupied by the control channel The bandwidth of the current subsystem.
  • the time domain positional relationship between the reference demodulation pilot and the control channel associated with the data channel includes:
  • the reference demodulation pilot signal associated with the data channel is transmitted using a second time domain symbol set, the control channel using a third time domain symbol set Transmitting; wherein all symbols included in the second time domain symbol set are located before symbols included in the third time domain symbol set.
  • the time domain location relationship between the reference demodulation pilot associated with the data channel and the control channel and the data channel includes:
  • the reference demodulation pilot signal associated with the data channel is transmitted using the second time domain symbol set, and the control channel uses the third time The domain symbol set is transmitted, and the data channel is transmitted using the fourth time domain symbol set; wherein the second time domain symbol set includes all symbols located after the symbol included in the third time domain symbol set, and All symbols included in the second time domain symbol set are located before the symbols contained in the fourth time domain symbol set.
  • the time domain positional relationship between the reference demodulation pilot and the control channel associated with the data channel includes:
  • the reference demodulation pilot signal associated with the data channel is transmitted using a second time domain symbol set, the control channel using a third time domain symbol set Transmitting; wherein the second time domain symbol set includes a first partial symbol located before the symbol included in the third time domain symbol set, and the second time domain symbol set includes a second partial symbol located
  • the third time domain symbol set is followed by a symbol.
  • the time domain location relationship between the reference demodulation pilot and the data channel associated with the data channel includes:
  • the reference demodulation pilot signal associated with the data channel is transmitted using a second time domain symbol set in a time interval unit including the reference demodulation pilot signal associated with the data channel and the data channel, the fourth time domain symbol set being used for the data channel Transmitting; wherein the second time domain symbol set includes a first partial symbol located before the symbol included in the fourth time domain symbol set, and the second time domain symbol set includes a second partial symbol located
  • the fourth time domain symbol set is followed by a symbol.
  • the reference demodulation pilot and control channel and the number associated with the control channel According to the time domain positional relationship of the channel, the following:
  • the reference demodulation pilot signal associated with the control channel is transmitted using the first time domain symbol set, and the control channel uses the third time.
  • the domain symbol set is transmitted, and the data channel is transmitted using the fourth time domain symbol set; wherein the first time domain symbol set includes all symbols located after the symbol included in the third time domain symbol set, and All symbols included in the first time domain symbol set are located before the symbols included in the fourth time domain symbol set.
  • the time domain positional relationship between the reference demodulation pilot and the control channel associated with the control channel includes:
  • the reference demodulation pilot signal associated with the control channel is transmitted using a first time domain symbol set, and the control channel uses a third time domain symbol set Transmitting; wherein, the first time domain symbol set includes a first partial symbol located before the symbol included in the third time domain symbol set, and the first time domain symbol set includes a second partial symbol located
  • the third time domain symbol set is followed by a symbol.
  • the relationship set includes at least two of the following:
  • the reference demodulation pilot corresponding to the data channel and the reference demodulation pilot intersection corresponding to the control channel are empty;
  • the reference demodulation pilot corresponding to the part of the control channel is the same as the reference demodulation pilot resource corresponding to the part of the data channel;
  • the reference demodulation pilot corresponding to the control channel is a subset of the reference demodulation pilot resources corresponding to the data channel;
  • the reference demodulation pilot corresponding to the control channel is the same as the reference demodulation pilot resource corresponding to the data channel.
  • the signaling is high layer signaling or physical layer control signaling sent in the control channel.
  • Determining the relationship between the reference demodulation pilot associated with the data channel and the reference demodulation pilot associated with the control channel according to one or more of the following information: configuration signaling at the transmitting end, working frequency band, number of transmission layers, number of pilot ports , pilot density, service type, subframe type, duplex mode, transmission mode.
  • the relationship between the reference demodulation pilot associated with the data channel and the reference demodulation pilot associated with the control channel includes:
  • the reference demodulation pilot corresponding to the data channel and the reference demodulation pilot intersection corresponding to the control channel are empty;
  • the reference demodulation pilot corresponding to the part of the control channel is the same as the reference demodulation pilot resource corresponding to the part of the data channel;
  • the reference demodulation pilot corresponding to the control channel is a subset of the reference demodulation pilot resources corresponding to the data channel;
  • the reference demodulation pilot corresponding to the control channel is the same as the reference demodulation pilot resource corresponding to the data channel.
  • the signaling is high layer signaling or physical layer control signaling sent in the control channel.
  • a receiving unit configured to receive the first type of reference demodulation pilot and the second type of reference demodulation pilot
  • Controlling a demodulation unit configured to associate with the control channel by using the first type of reference demodulation pilot
  • a data demodulation unit configured to associate with the data channel by using the first type of reference demodulation pilot and the second type of reference demodulation pilot.
  • a determining unit configured to determine a transmission position of the first type of reference demodulation pilot and a transmission position of the second type of reference demodulation pilot
  • a transmitting unit configured to send a first type of reference demodulation pilot at a transmission position of the first type of reference demodulation pilot, and send a second type at a transmission position of the second type of reference demodulation pilot Reference demodulation pilot;
  • the first type of reference demodulation pilot is associated with a control channel and a data channel; the second type of reference demodulation pilot is associated with a data channel.
  • a first determining unit configured to determine a reference demodulation pilot corresponding to the data information and/or the control information that needs to be sent;
  • a second determining unit configured to determine a time domain location relationship between the reference demodulation pilot and a control channel and/or a data channel; the location relationship includes: a reference demodulation pilot associated with the data channel and a time domain of the control channel a positional relationship; and/or a time domain positional relationship between the reference demodulation pilot associated with the control channel and the control channel; and/or a time domain positional relationship between the reference demodulation pilot associated with the data channel and the control channel and the data channel; And/or a time domain positional relationship between the reference demodulation pilot associated with the control channel and the control channel and the data channel;
  • the transmitting unit is configured to perform transmission of the reference demodulation pilot according to the determined time domain position relationship.
  • a first determining unit configured to determine a reference demodulation pilot associated with the data channel and/or a reference demodulation pilot associated with the control channel, and a time domain positional relationship of the control information and/or the data information;
  • a second determining unit configured to determine, according to the time domain location relationship, a reference demodulation pilot associated with the data channel and/or a location of a reference demodulation pilot associated with the control channel;
  • the location relationship includes: a time domain location relationship between a reference demodulation pilot associated with the data channel and the control channel; and/or a time domain position relationship of the reference demodulation pilot associated with the control channel and the control channel; Or, the time domain positional relationship between the reference demodulation pilot associated with the data channel and the control channel and the data channel; and/or the time domain positional relationship between the reference demodulation pilot associated with the control channel and the control channel and the data channel.
  • a first determining unit configured to determine a relationship set between a reference demodulation pilot corresponding to the data channel and a reference demodulation pilot corresponding to the control channel;
  • a second determining unit configured to determine, from the relationship set, a relationship between a reference demodulation pilot associated with the data channel and a reference demodulation pilot associated with the control channel;
  • a notification unit configured to notify, by signaling, a relationship between a reference demodulation pilot associated with the data channel and a reference demodulation pilot associated with the control channel.
  • a determining unit configured to determine, according to one or more of the following information, a relationship between a reference demodulation pilot associated with the data channel and a reference demodulation pilot associated with the control channel: configuration signaling, working frequency band, and transmission layer number of the transmitting end , number of pilot ports, pilot density, service type, subframe type, duplex mode, and transmission mode.
  • the computer storage medium provided by the embodiment of the present invention stores a computer program configured to execute the processing method of the reference demodulation pilot.
  • pilot resources are used for data channel solution. Harmonic control channel demodulation, and some additional pilot resources are used for data demodulation, which can effectively improve the utilization of pilot resources, while taking into account some differences in data and control transmission, in flexibility and pilot There is a very good compromise between utilization efficiency. Secondly, it can effectively improve the processing efficiency of the terminal and reduce the processing delay, which is more suitable for some types of services with demanding delays. In addition, a variety of pilot usage modes can be provided, providing greater flexibility and efficient optimization of pilot utilization efficiency.
  • Figure 1 is a channel and reference demodulation signal map
  • FIG. 2 is a schematic diagram of definition of a resource block
  • FIG. 3 is a schematic flowchart 1 of a method for processing a reference demodulation pilot according to an embodiment of the present invention
  • FIG. 4 is a second schematic flowchart of a method for processing a reference demodulation pilot according to an embodiment of the present invention
  • FIG. 5 is a schematic flowchart 3 of a method for processing a reference demodulation pilot according to an embodiment of the present invention
  • FIG. 6 is a schematic flowchart 4 of a method for processing a reference demodulation pilot according to an embodiment of the present invention
  • FIG. 7 is a schematic flowchart 5 of a method for processing a reference demodulation pilot according to an embodiment of the present invention.
  • FIG. 8 is a schematic flowchart 6 of a method for processing a reference demodulation pilot according to an embodiment of the present invention
  • FIG. 9 is a first schematic structural diagram of a processing device for a reference demodulation pilot according to an embodiment of the present invention.
  • FIG. 10 is a second schematic structural diagram of a processing device for a reference demodulation pilot according to an embodiment of the present invention.
  • FIG. 11 is a third schematic structural diagram of a processing device for a reference demodulation pilot according to an embodiment of the present invention.
  • FIG. 12 is a schematic structural diagram of a processing device for a reference demodulation pilot according to an embodiment of the present invention. four;
  • FIG. 13 is a schematic structural diagram 5 of a processing device of a reference demodulation pilot according to an embodiment of the present invention.
  • FIG. 14 is a schematic structural diagram 6 of a processing device of a reference demodulation pilot according to an embodiment of the present invention.
  • 15 is a first example of a reference pilot of a control and data channel according to an embodiment of the present invention.
  • 16 is a second example of a reference pilot of a control and data channel according to an embodiment of the present invention.
  • 17 is a third example of a reference pilot of a control and data channel according to an embodiment of the present invention.
  • FIG. 18 is a fourth example of a reference pilot of a control and data channel according to an embodiment of the present invention.
  • FIG. 19 is a fifth example of a reference pilot of a control and data channel according to an embodiment of the present invention.
  • 20 is a sixth example of a reference pilot of a control and data channel according to an embodiment of the present invention.
  • 21 is a seventh example of a reference pilot of a control and data channel according to an embodiment of the present invention.
  • 22 is a reference pilot example 8 of a control and data channel according to an embodiment of the present invention.
  • 23 is a ninth example of a reference pilot of a control and data channel according to an embodiment of the present invention.
  • FIG. 24 is a schematic diagram 10 of a reference pilot of a control and data channel according to an embodiment of the present invention.
  • 25 is an example 11 of a reference pilot of a control and data channel according to an embodiment of the present invention.
  • Figure 26 is an example 12 of a reference pilot for a control and data channel in accordance with an embodiment of the present invention.
  • FIG. 3 is a schematic flowchart 1 of a method for processing a reference demodulation pilot according to an embodiment of the present invention
  • FIG. 4 is a schematic flowchart 2 of a method for processing a reference demodulation pilot according to an embodiment of the present invention.
  • the data is jointly demodulated using multiple types of pilots.
  • the processing method of the reference demodulation pilot in FIG. 3 is applied to the receiving end, and the processing method of the reference demodulation pilot in FIG. 4 should be Used for the sender.
  • the processing method of the reference demodulation pilot includes the following steps:
  • Step 301 Receive a first type of reference demodulation pilot and a second type of reference demodulation pilot.
  • Step 302 Associate the first type of reference demodulation pilot with a control channel.
  • Step 303 Associate the first type of reference demodulation pilot and the second type of reference demodulation pilot with a data channel.
  • the first type of reference demodulation pilot is located before a transmission time domain location corresponding to the control information.
  • the first part of the first type of reference demodulation pilot is located before the transmission time domain corresponding to the control information, and the second part of the first type of reference demodulation pilot is located corresponding to the transmission of the control information. After the time domain location.
  • the second type of reference demodulation pilot is located before the transmission time domain location corresponding to the control information.
  • the first type of reference demodulation pilots and the second type of reference demodulation pilots are both located before a transmission time domain position corresponding to the control information.
  • the first type of reference demodulation pilot is located after the transmission time domain position corresponding to the control information, and is located before the transmission time domain position corresponding to the data information.
  • the first type of reference demodulation pilots and the second type of reference demodulation pilots are both located after the transmission time domain position corresponding to the control information, and are located before the transmission time domain position corresponding to the data information. .
  • the above-described reference demodulation pilot processing method of the embodiment of the present invention is applied in a demodulation process.
  • the processing method of the reference demodulation pilot includes the following steps:
  • Step 401 Determine a transmission position of the first type of reference demodulation pilot and a second type of reference demodulation pilot The sending location.
  • Step 402 Send a first type of reference demodulation pilot at a transmission position of the first type of reference demodulation pilot, and send a second type of reference solution at a transmission position of the second type of reference demodulation pilot. Adjust the pilot frequency.
  • the first type of reference demodulation pilot is associated with a control channel and a data channel; the second type of reference demodulation pilot is associated with a data channel.
  • the first type of reference demodulation pilot is located before a transmission time domain location corresponding to the control information.
  • the first part of the first type of reference demodulation pilot is located before the transmission time domain corresponding to the control information, and the second part of the first type of reference demodulation pilot is located corresponding to the transmission of the control information. After the time domain location.
  • the second type of reference demodulation pilot is located before the transmission time domain location corresponding to the control information.
  • the first type of reference demodulation pilots and the second type of reference demodulation pilots are both located before a transmission time domain position corresponding to the control information.
  • the first type of reference demodulation pilot is located after the transmission time domain position corresponding to the control information, and is located before the transmission time domain position corresponding to the data information.
  • the first type of reference demodulation pilots and the second type of reference demodulation pilots are both located after the transmission time domain position corresponding to the control information, and are located before the transmission time domain position corresponding to the data information. .
  • the above-mentioned reference demodulation pilot processing method of the embodiment of the present invention is applied in the transmission process of the reference demodulation pilot.
  • part of the pilot resources are used for data channel demodulation and control channel demodulation, and some additional pilot resources are used for data demodulation, which can be effective.
  • Improve the efficiency of pilot resource utilization while taking into account data and control transmission Some of the differences, there is a very good compromise between flexibility and pilot utilization efficiency.
  • FIG. 5 is a schematic flowchart 3 of a method for processing a reference demodulation pilot according to an embodiment of the present invention.
  • FIG. 6 is a schematic flowchart of a method for processing a reference demodulation pilot according to an embodiment of the present invention. The time domain position of the control/data demodulation pilot is determined. The processing method of the reference demodulation pilot in FIG. 5 is applied to the transmitting end, and the processing method of the reference demodulation pilot in FIG. 6 is applied to the receiving end.
  • the transmitting end is specifically a base station.
  • the processing method of the reference demodulation pilot includes the following steps:
  • Step 501 Determine a reference demodulation pilot corresponding to the data information and/or the control information to be transmitted.
  • Step 502 Determine a time domain position relationship between the reference demodulation pilot and a control channel and/or a data channel.
  • the location relationship includes: a time domain position relationship of a reference demodulation pilot associated with a data channel and a control channel; and/or a time domain position relationship of a reference demodulation pilot associated with the control channel and a control channel; and/or, The time-domain positional relationship between the reference demodulation pilot associated with the data channel and the control channel and the data channel; and/or the time domain positional relationship between the reference demodulation pilot associated with the control channel and the control channel and the data channel.
  • Step 503 Perform transmission of the reference demodulation pilot according to the determined time domain position relationship.
  • the time domain symbol set is defined as: the first, second, third, and fourth time domain symbol sets respectively correspond to: a reference demodulation pilot signal associated with the control channel, a reference demodulation pilot signal associated with the data channel, Control channel, data channel.
  • the time domain positional relationship between the reference demodulation pilot and the control channel associated with the data channel includes: in a time interval unit including a reference demodulation pilot signal associated with the data channel and a control channel.
  • the reference demodulation pilot signal associated with the data channel is transmitted using a second time domain symbol set, and the control channel is transmitted using the third time domain symbol set; All symbols included in the second time domain symbol set are located before the symbols included in the third time domain symbol set.
  • the reference demodulation pilot signal associated with the data channel precedes the control channel.
  • the time domain positional relationship between the reference demodulation pilot associated with the data channel and the control channel and the data channel includes: time when the reference demodulation pilot signal, the data channel, and the control channel associated with the data channel are included.
  • the reference demodulation pilot signal associated with the data channel is transmitted using the second time domain symbol set
  • the control channel is transmitted using the third time domain symbol set
  • the data channel is transmitted using the fourth time domain symbol set; All symbols included in the second time domain symbol set are located after the symbols included in the third time domain symbol set, and all symbols included in the second time domain symbol set are located in the fourth time domain symbol set Before the symbol is included.
  • the time domain positional relationship between the reference demodulation pilot and the control channel associated with the data channel includes: a data channel in a time interval unit including a reference demodulation pilot signal associated with the data channel and a control channel.
  • the associated reference demodulation pilot signal is transmitted using a second time domain symbol set
  • the control channel is transmitted using a third time domain symbol set; wherein the second time domain symbol set includes a first partial symbol located at the The third time domain symbol set is preceded by the symbol, and the second time domain symbol set includes a second partial symbol located after the symbol included in the third time domain symbol set.
  • the time domain positional relationship between the reference demodulation pilot and the data channel associated with the data channel includes: a data channel in a time interval unit including a reference demodulation pilot signal associated with the data channel and the data channel
  • the associated reference demodulation pilot signal is transmitted using a second time domain symbol set, and the data channel is transmitted using a fourth time domain symbol set; wherein the second time domain symbol set includes a first partial symbol located at the The fourth time domain symbol set is preceded by the symbol, and the second time domain symbol set includes a second partial symbol located after the symbol included in the fourth time domain symbol set.
  • the reference demodulation pilot associated with the control channel and the time domain location relationship of the control channel and the data channel include: a reference demodulation pilot signal including a control channel association, In the time interval unit of the data channel and the control channel, the reference demodulation pilot signal associated with the control channel is transmitted using the first time domain symbol set, and the control channel is transmitted using the third time domain symbol set, and the data channel uses the fourth time domain.
  • the symbol set is transmitted; wherein all symbols included in the first time domain symbol set are located after the symbol included in the third time domain symbol set, and all symbols included in the first time domain symbol set are located The fourth time domain symbol set is preceded by the symbol.
  • the time domain positional relationship between the reference demodulation pilot and the control channel associated with the control channel includes: a control channel in a time interval unit including a reference demodulation pilot signal and a control channel associated with the control channel.
  • the associated reference demodulation pilot signal is transmitted using a first time domain symbol set
  • the control channel is transmitted using a third time domain symbol set; wherein the first time domain symbol set includes a first partial symbol located at the The third time domain symbol set is preceded by the symbol, and the first time domain symbol set includes a second partial symbol located after the symbol included in the third time domain symbol set.
  • the method further includes transmitting reference demodulation pilot configuration signaling to indicate time domain location information of the reference demodulation pilot.
  • the method further includes: indicating, by the control information carried in the control channel, a time domain positional relationship between a reference demodulation pilot associated with the data channel and the control channel.
  • the foregoing is a timing relationship between a reference demodulation pilot and a data channel/control channel that are associated with a data/control channel association by signaling configuration according to an embodiment of the present invention.
  • the above-mentioned reference demodulation pilot processing method of the embodiment of the present invention is applied in the transmission process of the reference demodulation pilot.
  • the processing method of the reference demodulation pilot includes the following steps:
  • Step 601 Determine a reference demodulation pilot associated with the data channel and/or a reference associated with the control channel
  • the demodulation pilot is associated with the time domain positional relationship of the control information and/or data information.
  • Step 602 Determine, according to the time domain location relationship, a reference demodulation pilot associated with the data channel and/or a location of a reference demodulation pilot associated with the control channel.
  • the location relationship includes: a time domain location relationship between a reference demodulation pilot associated with the data channel and the control channel; and/or a time domain position relationship of the reference demodulation pilot associated with the control channel and the control channel; Or, the time domain positional relationship between the reference demodulation pilot associated with the data channel and the control channel and the data channel; and/or the time domain positional relationship between the reference demodulation pilot associated with the control channel and the control channel and the data channel.
  • the determining the reference demodulation pilot associated with the data channel and/or the reference demodulation pilot associated with the control channel, and the time domain location relationship of the control information and/or the data information including:
  • Configuration signaling working frequency band, transmission layer number, service type, subframe type, duplex mode (FDD/TDD), transmission mode, resource size occupied by reference demodulation pilot, resource size occupied by data channel, and control The resource size occupied by the channel and the bandwidth of the current subsystem.
  • the time domain positional relationship between the reference demodulation pilot and the control channel associated with the data channel includes: a data channel in a time interval unit including a reference demodulation pilot signal associated with the data channel and a control channel.
  • the associated reference demodulation pilot signal is transmitted using a second time domain symbol set
  • the control channel is transmitted using a third time domain symbol set; wherein the second time domain symbol set includes all symbols located in the third
  • the time domain symbol set contains symbols before.
  • the time domain positional relationship between the reference demodulation pilot associated with the data channel and the control channel and the data channel includes: time when the reference demodulation pilot signal, the data channel, and the control channel associated with the data channel are included.
  • the reference demodulation pilot signal associated with the data channel is transmitted using the second time domain symbol set
  • the control channel is transmitted using the third time domain symbol set
  • the data channel is transmitted using the fourth time domain symbol set
  • the second time domain symbol set includes All symbols are located after the symbols included in the third time domain symbol set, and all symbols included in the second time domain symbol set are located before the symbols included in the fourth time domain symbol set.
  • the time domain positional relationship between the reference demodulation pilot and the control channel associated with the data channel includes: a data channel in a time interval unit including a reference demodulation pilot signal associated with the data channel and a control channel.
  • the associated reference demodulation pilot signal is transmitted using a second time domain symbol set
  • the control channel is transmitted using a third time domain symbol set; wherein the second time domain symbol set includes a first partial symbol located at the The third time domain symbol set is preceded by the symbol, and the second time domain symbol set includes a second partial symbol located after the symbol included in the third time domain symbol set.
  • the time domain positional relationship between the reference demodulation pilot and the data channel associated with the data channel includes: a data channel in a time interval unit including a reference demodulation pilot signal associated with the data channel and the data channel
  • the associated reference demodulation pilot signal is transmitted using a second time domain symbol set, and the data channel is transmitted using a fourth time domain symbol set; wherein the second time domain symbol set includes a first partial symbol located at the The fourth time domain symbol set is preceded by the symbol, and the second time domain symbol set includes a second partial symbol located after the symbol included in the fourth time domain symbol set.
  • the time domain positional relationship between the reference demodulation pilot associated with the control channel and the control channel and the data channel includes: a time when the reference demodulation pilot signal, the data channel, and the control channel associated with the control channel are included.
  • the reference demodulation pilot signal associated with the control channel is transmitted using the first time domain symbol set
  • the control channel is transmitted using the third time domain symbol set
  • the data channel is transmitted using the fourth time domain symbol set; All symbols included in the first time domain symbol set are located after the symbols included in the third time domain symbol set, and all symbols included in the first time domain symbol set are located in the fourth time domain symbol set Before the symbol is included.
  • the time domain positional relationship between the reference demodulation pilot and the control channel associated with the control channel includes: a reference demodulation pilot signal and a control channel including a control channel association.
  • the reference demodulation pilot signal associated with the control channel is transmitted using the first time domain symbol set
  • the control channel is transmitted using the third time domain symbol set; wherein the first time domain symbol set includes the first A portion of the symbols are located before the symbols included in the third time domain symbol set, and the second partial symbols included in the first time domain symbol set are all located after the symbols included in the third time domain symbol set.
  • the above-described reference demodulation pilot processing method of the embodiment of the present invention is applied in the process of determining the demodulation pilot.
  • the processing method of the reference demodulation pilot according to the embodiment of the present invention can effectively improve the processing efficiency of the terminal, reduce the processing delay, and is more suitable for some service types with severe delay requirements.
  • FIG. 7 is a schematic flowchart of a method for processing a reference demodulation pilot according to an embodiment of the present invention.
  • FIG. 8 is a schematic flowchart of a method for processing a reference demodulation pilot according to an embodiment of the present invention.
  • the processing method of the reference demodulation pilot in FIG. 7 is applied to the transmitting end, and the processing method of the reference demodulation pilot in FIG. 8 is applied to the receiving end.
  • the processing method of the reference demodulation pilot includes the following steps:
  • Step 701 Determine a relationship set of a reference demodulation pilot corresponding to the data channel and a reference demodulation pilot corresponding to the control channel.
  • Step 702 Determine, from the relationship set, a relationship between a reference demodulation pilot associated with the data channel and a reference demodulation pilot associated with the control channel.
  • Step 703 Notify the relationship between the reference demodulation pilot associated with the data channel and the reference demodulation pilot associated with the control channel by signaling.
  • the relationship set includes at least two of the following:
  • the reference demodulation pilot corresponding to the data channel and the reference demodulation pilot intersection corresponding to the control channel are empty;
  • the reference demodulation pilot corresponding to the part of the control channel is the same as the reference demodulation pilot resource corresponding to the part of the data channel;
  • the reference demodulation pilot corresponding to the control channel is a subset of the reference demodulation pilot resources corresponding to the data channel;
  • the reference demodulation pilot corresponding to the control channel is the same as the reference demodulation pilot resource corresponding to the data channel.
  • the signaling is high layer signaling or physical layer control signaling sent in the control channel.
  • the above-mentioned reference demodulation pilot processing method of the embodiment of the present invention is applied in the configuration process of the reference demodulation pilot.
  • the processing method of the reference demodulation pilot includes the following steps:
  • Step 801 Determine, according to one or more of the following information, a relationship between a reference demodulation pilot associated with the data channel and a reference demodulation pilot associated with the control channel: configuration signaling at the transmitting end, working frequency band, number of transmission layers, and guide Number of frequency ports, pilot density, service type, subframe type, duplex mode, transmission mode.
  • the relationship between the reference demodulation pilot associated with the data channel and the reference demodulation pilot associated with the control channel includes:
  • the reference demodulation pilot corresponding to the data channel and the reference demodulation pilot intersection corresponding to the control channel are empty;
  • the reference demodulation pilot corresponding to the part of the control channel is the same as the reference demodulation pilot resource corresponding to the part of the data channel;
  • the reference demodulation pilot corresponding to the control channel is a subset of the reference demodulation pilot resources corresponding to the data channel;
  • the reference demodulation pilot corresponding to the control channel and the reference demodulation pilot resource corresponding to the data channel The source is the same.
  • the signaling is high layer signaling or physical layer control signaling sent in the control channel.
  • the above-described reference demodulation pilot processing method of the embodiment of the present invention is applied in the process of determining the demodulation pilot.
  • the method for processing the reference demodulation pilot according to the embodiment of the present invention can provide a plurality of pilot usage modes, provide higher flexibility, and effectively optimize pilot utilization efficiency.
  • FIG. 9 is a first schematic structural diagram of a processing device for a reference demodulation pilot according to an embodiment of the present invention. As shown in FIG. 9, the device includes:
  • the receiving unit 91 is configured to receive the first type of reference demodulation pilot and the second type of reference demodulation pilot;
  • Control demodulation unit 92 configured to associate with the control channel by using the first type of reference demodulation pilot
  • the data demodulation unit 93 is configured to associate with the data channel by using the first type of reference demodulation pilot and the second type of reference demodulation pilot.
  • FIG. 10 is a schematic structural diagram of a structure of a processing device for referring to a demodulation pilot according to an embodiment of the present invention. As shown in FIG. 10, the device includes:
  • the determining unit 1001 is configured to determine a sending position of the first type of reference demodulation pilot and a sending position of the second type of reference demodulation pilot;
  • the transmitting unit 1002 is configured to send a first type of reference demodulation pilot at a transmission position of the first type of reference demodulation pilot, and send a second at a transmission position of the second type of reference demodulation pilot Class reference demodulation pilot;
  • the first type of reference demodulation pilot is associated with a control channel and a data channel; the second type of reference demodulation pilot is associated with a data channel.
  • FIG. 11 is a third schematic structural diagram of a processing device for a reference demodulation pilot according to an embodiment of the present invention. As shown in FIG. 11, the device includes:
  • the first determining unit 1101 is configured to determine a reference demodulation pilot corresponding to the data information and/or the control information that needs to be sent;
  • a second determining unit 1102 configured to determine a time domain location relationship between the reference demodulation pilot and a control channel and/or a data channel; the location relationship includes: a reference demodulation pilot and a control channel associated with the data channel a location relationship of the reference demodulation pilot associated with the control channel and a time domain positional relationship of the control channel; and/or a time domain positional relationship between the reference demodulation pilot associated with the data channel and the control channel and the data channel And/or the time domain positional relationship between the reference demodulation pilot associated with the control channel and the control channel and the data channel;
  • the transmitting unit 1103 is configured to perform transmission of the reference demodulation pilot according to the determined time domain positional relationship.
  • each unit in the processing device that refers to the demodulation pilot may be implemented by a central processing unit (CPU) located in a processing device that references the demodulation pilot, or A processor (MPU, Micro Processor Unit), or a digital signal processor (DSP), or a Field Programmable Gate Array (FPGA).
  • CPU central processing unit
  • MPU Micro Processor Unit
  • DSP digital signal processor
  • FPGA Field Programmable Gate Array
  • FIG. 12 is a schematic structural diagram of a structure of a processing device for referring to a demodulation pilot according to an embodiment of the present invention. As shown in FIG. 12, the device includes:
  • the first determining unit 1201 is configured to determine a reference demodulation pilot associated with the data channel and/or a reference demodulation pilot associated with the control channel, and a time domain position relationship of the control information and/or the data information;
  • the second determining unit 1202 is configured to determine, according to the time domain location relationship, a reference demodulation pilot associated with the data channel and/or a location of a reference demodulation pilot associated with the control channel;
  • the location relationship includes: a time domain location relationship between a reference demodulation pilot associated with the data channel and the control channel; and/or a time domain position relationship of the reference demodulation pilot associated with the control channel and the control channel; Or, the time domain positional relationship between the reference demodulation pilot associated with the data channel and the control channel and the data channel; and/or the time domain positional relationship between the reference demodulation pilot associated with the control channel and the control channel and the data channel.
  • each unit in the processing device that references the demodulation pilot can be implemented by a CPU, or an MPU, or a DSP, or an FPGA, etc., located in a processing device that references the demodulation pilot.
  • FIG. 13 is a schematic structural diagram of a structure of a processing device for referring to a demodulation pilot according to an embodiment of the present invention. As shown in FIG. 13, the device includes:
  • the first determining unit 1301 is configured to determine a relationship set between the reference demodulation pilot corresponding to the data channel and the reference demodulation pilot corresponding to the control channel;
  • a second determining unit 1302 configured to determine, from the relationship set, a data channel association Referring to the relationship between the demodulation pilot and the reference demodulation pilot associated with the control channel;
  • the notifying unit 1303 is configured to notify, by signaling, a relationship between the reference demodulation pilot associated with the data channel and a reference demodulation pilot associated with the control channel.
  • each unit in the processing device that references the demodulation pilot can be implemented by a CPU, or an MPU, or a DSP, or an FPGA, etc., located in a processing device that references the demodulation pilot.
  • FIG. 14 is a schematic structural diagram 6 of a structure of a processing device for referring to a demodulation pilot according to an embodiment of the present invention. As shown in FIG. 14, the device includes:
  • the determining unit 1401 is configured to determine, according to one or more of the following information, a reference demodulation pilot associated with the data channel and a reference demodulation pilot associated with the control channel: configuration signaling, working frequency band, and transport layer of the transmitting end Number, number of pilot ports, pilot density, service type, subframe type, duplex mode, transmission mode.
  • each unit in the processing device that references the demodulation pilot can be implemented by a CPU, or an MPU, or a DSP, or an FPGA, etc., located in a processing device that references the demodulation pilot.
  • the transmitting end can send two kinds of pilots, which are a first type of reference demodulation pilot and a second type of reference demodulation pilot, where the first type of reference demodulation pilot is used for control channel reference demodulation and data.
  • Channel reference demodulation; the second type of reference demodulation pilot is used for data channel reference demodulation; there are several implementation methods for transmitting such pilot, for example, the reference demodulation pilot of the control channel is port a, Using single layer transmission, the reference demodulation pilot of the data channel is port a and port b (or more ports), and the data channel uses multi-layer transmission; as shown in FIG. 15, the transmitting end transmits port a, port b, and control channel. And the data channel, the receiving end uses port a for data and control channel demodulation, and port a and port b for data channel demodulation.
  • the control channel can be demodulated using only the pilot of port a on a time domain OFDM symbol, so that the control channel can be quickly demodulated, and the data channel can use port a in multiple
  • the pilot signal on the OFDM symbol is subjected to joint channel estimation, and the reference demodulation of the data channel is performed, which can improve the reference demodulation precision.
  • mapping relationships between channels and signals are given, such as:
  • the first type of reference demodulation pilot is located before the control information transmission time domain position; for example, as shown in FIG.
  • the first type of reference demodulation pilot portion is located before the control information transmission time domain position, and a portion is located after the control information transmission time domain position; for example, as shown in FIG.
  • the first type of reference demodulation pilot and the second type of reference demodulation pilot are located before the data information is transmitted after the control information transmission time domain position, as shown in FIG.
  • the first type of reference demodulation pilot and the second type of reference demodulation pilot are both located before the control information transmission time domain position, as shown in FIG.
  • the base station determines a time domain positional relationship between the (the reference demodulation pilot) and the (control channel and/or data channel) to be transmitted;
  • the base station performs transmission of the reference demodulation pilot according to the determined time domain positional relationship.
  • a basic time interval unit such as a subframe, or a time range of multiple aggregated subframes; where the basic time unit is not limited to a subframe, but also a time slot, a time domain symbol group, etc.; a reference demodulation pilot signal including a data channel association and a control channel;
  • the reference demodulation pilot signal associated with the data channel is transmitted using symbols in the second time domain symbol set; the control channel is transmitted using the third time domain symbol set; and all symbols contained in the second time domain symbol set are located in the third time domain
  • the symbol set contains symbols before, as shown in Figure 21.
  • the reference pilot and channel in this way are independent symbols, and the configuration of some different symbol parameters can be considered separately; between the reference signals of control and data, and between different reference signal ports, it can be considered to introduce some frequency divisions.
  • the method for example, occupies different subcarriers respectively.
  • the base station determines a time domain positional relationship between the (the reference demodulation pilot) and the (control channel and/or data channel) to be transmitted;
  • the base station performs transmission of the reference demodulation pilot according to the determined time domain position relationship
  • a basic time interval unit such as a subframe, or a time range of multiple aggregated subframes; where the basic time unit is not limited to a subframe, but also a time slot, a time domain symbol group, etc.; a reference demodulation pilot signal, a data channel, and a control channel including a data channel association;
  • the reference demodulation pilot signal associated with the data channel is transmitted using the second time domain symbol set
  • the control channel transmits using the third time domain symbol set
  • the data channel is transmitted using the fourth time domain symbol set
  • All symbols included in the second time domain symbol set are located after the symbols included in the third time domain symbol set and all symbols included in the second time domain symbol set are located before the symbols included in the fourth time domain symbol set; Show.
  • the reference pilot and channel in this way are independent symbols, and the configuration of some different symbol parameters can be considered separately; between the reference signals of control and data, and between different reference signal ports, it can be considered to introduce some frequency divisions.
  • the method for example, occupies different subcarriers respectively.
  • the base station determines a time domain positional relationship between the (the reference demodulation pilot) and the (control channel and/or data channel) to be transmitted;
  • the base station performs transmission of the reference demodulation pilot according to the determined time domain position relationship
  • a basic time interval unit such as a subframe, or a time range of multiple aggregated subframes; where the basic time unit is not limited to a subframe, but also a time slot, a time domain symbol group, etc.; a reference demodulation pilot signal and a control channel including a data channel association;
  • the reference demodulation pilot signal associated with the data channel is transmitted using the second time domain symbol set
  • the control channel transmits using the third time domain symbol set
  • the second time domain symbol set includes partial symbols located before the symbols included in the third time domain symbol set and the second time domain symbol set includes partial symbols located after the symbols included in the third time domain symbol set; Show.
  • the reference pilot and channel in this way are independent symbols, and the configuration of some different symbol parameters can be considered separately; between the reference signals of control and data, and between different reference signal ports, it can be considered to introduce some frequency divisions.
  • the method for example, occupies different subcarriers respectively.
  • the base station determines a time domain positional relationship between the (the reference demodulation pilot) and the (control channel and/or data channel) to be transmitted;
  • the base station performs transmission of the reference demodulation pilot according to the determined time domain position relationship
  • a basic time interval unit such as a subframe, or a time range of multiple aggregated subframes; where the basic time unit is not limited to a subframe, but also a time slot, a time domain symbol group, etc.; a reference demodulation pilot signal, a data channel including a data channel association;
  • the reference demodulation pilot signal associated with the data channel is transmitted using the second time domain symbol set
  • the data channel is transmitted using the fourth time domain symbol set
  • the second time domain symbol set includes partial symbols located before the symbols included in the fourth time domain symbol set and the second time domain symbol set includes partial symbols located after the symbols included in the fourth time domain symbol set; Show.
  • the advantage of this method is that the channel estimation can be performed immediately after receiving the data channel reference demodulation pilot in the data channel and used for data channel demodulation. If the demodulation is successful, the processing delay is small, if unsuccessful, Considering the reference demodulation pilot after the joint data channel for channel estimation against time domain selective fading; in addition, the reference pilot and channel in this manner are independent symbols, and the configuration of some different symbol parameters can be separately considered; Between the reference signals of the data and the reference signals of different reference signals, a method of introducing some frequency divisions, such as occupying different subcarriers, may be considered.
  • the base station determines (the reference demodulation pilot) and (control channel and/or data signal) that need to be transmitted Time domain positional relationship;
  • the base station performs transmission of the reference demodulation pilot according to the determined time domain position relationship
  • a basic time interval unit such as a subframe, or a time range of multiple aggregated subframes; where the basic time unit is not limited to a subframe, but also a time slot, a time domain symbol group, etc.; a reference demodulation pilot signal, a data channel, and a control channel including control channel associations;
  • the reference demodulation pilot signal associated with the control channel is transmitted using the first time domain symbol set
  • the control channel transmits using the third time domain symbol set
  • the data channel is transmitted using the fourth time domain symbol set
  • All symbols included in the first time domain symbol set are located after the symbols included in the third time domain symbol set and all symbols included in the first time domain symbol set are located before the symbols included in the fourth time domain symbol set; for example, a The situation is shown in Figure 25.
  • the base station determines a time domain positional relationship between the (the reference demodulation pilot) and the (control channel and/or data channel) to be transmitted;
  • the base station performs transmission of the reference demodulation pilot according to the determined time domain position relationship
  • a basic time interval unit such as a subframe, or a time range of multiple aggregated subframes; where the basic time unit is not limited to a subframe, but also a time slot, a time domain symbol group, etc.; a reference demodulation pilot signal and a control channel including a control channel association;
  • the reference demodulation pilot signal associated with the control channel is transmitted using the first time domain symbol set
  • the control channel transmits using the third time domain symbol set
  • the first time domain symbol set contains partial symbols located in the symbol included in the third time domain symbol set.
  • the pre- and first time-domain symbol sets contain partial symbols that are located after the symbols contained in the third time-domain symbol set; a case is shown in FIG.
  • the transmitting end may send demodulation pilot configuration signaling to indicate the demodulation. Pilot time domain location information; for example, the transmitting end indicates by signaling whether the reference demodulation pilot associated with the data channel is in a time domain position relationship with the control channel or the transmitting end indicates the reference demodulation pilot and control channel associated with the control channel by signaling
  • the time domain location relationship or the transmitting end indicates by the signaling whether the reference demodulation pilot associated with the data channel and the time domain location relationship of the control channel and the data channel or the reference demodulation pilot and control associated with the control channel by the transmitting end by signaling
  • the transmitting end may indicate one of the foregoing relationships by signaling or the transmitting end may separately indicate multiple of the foregoing relationships by using signaling.
  • control signaling reference demodulation pilot and control or data channel time domain positional relationship may be carried by higher layer signaling; for the data channel reference demodulation pilot and control or data channel time domain position relationship indication, It can be carried by the downlink physical control information in the control channel.
  • the receiving end determines the time domain positional relationship between the data and/or signal reference demodulation pilot and the control information and/or the data information; here, the time domain positional relationship may refer to:
  • the receiving end determines the reference demodulation pilot position according to the time domain position relationship.
  • the receiving end determines, according to at least one of the following information, a time domain positional relationship between the data and/or signal reference demodulation pilot and the control information and/or the data information;
  • the receiving end may determine the time domain positional relationship between the reference demodulation pilot and the control information and/or the data information associated with the data and/or the control channel according to the configuration signaling of the transmitting end, as shown in Table 1:
  • the receiving end may determine the time domain positional relationship between the reference demodulation pilot and the control information and/or the data information associated with the data and/or control channel according to the working frequency band, as shown in Table 2:
  • the receiving end may determine the time domain positional relationship between the reference demodulation pilot and the control information and/or the data information associated with the data and/or control channel according to the number of transmission layers, as shown in Table 3:
  • the number of transmission layers is >n Time domain location relationship 6
  • the preferred n here can take the value 1,2.
  • the receiving end may determine the time domain positional relationship between the reference demodulation pilot and the control information and/or the data information associated with the data and/or the control channel according to the service type, as shown in Table 4:
  • the receiving end may determine the time domain positional relationship between the reference demodulation pilot and the control information and/or the data information associated with the data and/or control channel according to the subframe type, as shown in Table 5:
  • the receiving end may determine the time domain positional relationship between the reference demodulation pilot and the control information and/or the data information associated with the data and/or control channel according to the duplex mode, as shown in Table 6:
  • the receiving end may determine the time domain positional relationship between the reference demodulation pilot and the control information and/or the data information associated with the data and/or the control channel according to the transmission mode, as shown in Table 7:
  • the receiving end may determine the time domain positional relationship between the reference demodulation pilot and the control information and/or the data information associated with the data and/or the control channel according to the resource size occupied by the reference pilot, as shown in Table 8:
  • the receiving end may determine the control channel association according to the resource size occupied by the control channel pilot.
  • the time-domain positional relationship between the reference demodulation pilot and the control information and/or data information is as shown in Table 9:
  • the receiving end may determine the time domain positional relationship between the reference demodulation pilot associated with the data channel and the control information and/or the data information according to the resource size occupied by the data channel pilot, as shown in Table 10:
  • the receiving end may determine the time domain positional relationship between the reference demodulation pilot and the control information and/or the data information associated with the data channel according to the resource size occupied by the data channel pilot, as shown in Table 11:
  • the transmitting end determines a reference demodulation pilot relationship corresponding to the reference demodulation pilot corresponding to the data channel and the control channel corresponding to the control channel;
  • the transmitting end determines, from the set, a reference demodulation pilot corresponding to a data channel and a reference demodulation pilot relationship corresponding to the control channel;
  • the transmitting end notifies the data channel by referring to the demodulation pilot and the control channel reference demodulation pilot relationship by signaling; the signaling is high layer signaling or physical layer control signaling sent in the control channel.
  • the candidate relationship set can be as shown in Table 12:
  • the receiving end determines, according to one or more of the following information, a data channel reference demodulation pilot and a control channel reference demodulation pilot relationship;
  • the information includes: configuration signaling at the transmitting end; working frequency band; number of transmission layers; number of pilot ports; pilot density; service type; subframe type; duplex mode;
  • the receiving end may determine the data channel reference demodulation pilot and the control channel reference demodulation pilot relationship according to the working frequency band, as shown in Table 23:
  • the receiving end may determine the data channel reference demodulation pilot and the control channel reference demodulation pilot relationship according to the number of transmission layers, as shown in Table 24:
  • the preferred n here can take the value 1,2.
  • the receiving end may determine the data channel reference demodulation pilot and the control channel reference demodulation pilot relationship according to the service type, as shown in Table 25:
  • the receiving end may determine the data channel reference demodulation pilot and the control channel reference demodulation pilot relationship according to the subframe type, as shown in Table 26:
  • the receiving end may determine the data channel reference demodulation pilot and the control channel reference demodulation pilot relationship according to the duplex mode, as shown in Table 27:
  • the receiving end may determine the time domain positional relationship between the reference demodulation pilot and the control information and/or the data information associated with the data and/or control channel according to the transmission mode, as shown in Table 28:
  • the receiving end may determine the data channel reference demodulation pilot and the control channel reference demodulation pilot relationship according to the resource size occupied by the reference pilot, as shown in Table 29:
  • the receiving end may determine the data channel reference demodulation pilot and the control channel reference demodulation pilot relationship according to the resource size occupied by the control channel pilot, as shown in Table 30:
  • the receiving end may determine the data channel reference demodulation pilot and the control channel reference demodulation pilot relationship according to the resource size occupied by the data channel pilot, as shown in Table 31:
  • the receiving end may determine the data channel reference demodulation pilot and the control channel reference demodulation pilot relationship according to the resource size occupied by the data channel pilot, as shown in Table 32:
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention may be employed in one or more of its A computer program product embodied on a computer usable storage medium (including but not limited to disk storage and optical storage, etc.) containing computer usable program code. Based on such understanding, the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • a computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • program codes such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • the embodiment of the present invention further provides a computer storage medium, wherein a computer program is configured, and the computer program is configured to perform a processing method of any reference demodulation pilot in the embodiment of the present invention.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded into a computer or other programmable data processing device Having a series of operational steps performed on a computer or other programmable device to produce computer-implemented processing such that instructions executed on a computer or other programmable device are provided for implementing one or more processes in a flowchart and/or Or block diagram the steps of a function specified in a box or multiple boxes.
  • pilot resources are used for data channel demodulation and control channel demodulation, and some additional pilot resources are used for data demodulation, which can effectively improve pilot resource utilization.
  • Efficiency while taking into account some of the differences in data and control transmission, there is a very good compromise between flexibility and pilot utilization efficiency.
  • pilot usage modes can be provided, providing greater flexibility and efficient optimization of pilot utilization efficiency.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé de traitement de pilote de démodulation de référence, un dispositif et un support de stockage informatique, ledit procédé consistant : à recevoir un premier type de pilote de démodulation de référence et un second type de pilote de démodulation de référence; à associer le premier type de pilote de démodulation de référence à un canal de commande; à associer le premier type de pilote de démodulation de référence et le second type de pilote de démodulation de référence à un canal de données; à déterminer le pilote de démodulation de référence, correspondant à des informations de données et/ou à des informations de commande, qui a besoin d'être envoyé; à déterminer la relation d'emplacement de domaine temporel entre le pilote de démodulation de référence et le canal de commande et/ou le canal de données; à envoyer le pilote de démodulation de référence selon la relation d'emplacement de domaine temporel; à déterminer l'ensemble de relations entre le pilote de démodulation de référence correspondant au canal de données et le pilote de démodulation de référence correspondant au canal de commande; à déterminer, à partir de l'ensemble de relations, une relation entre le pilote de démodulation de référence associé au canal de données et le pilote de démodulation de référence associé au canal de commande; à envoyer, au moyen d'une signalisation, la relation entre le pilote de démodulation de référence associé au canal de données et le pilote de démodulation de référence associé au canal de commande.
PCT/CN2017/082724 2016-05-17 2017-05-02 Procédé de traitement de pilote de démodulation de référence, dispositif et support de stockage informatique Ceased WO2017198067A1 (fr)

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