WO2017054514A1 - 导频的配置方法及装置 - Google Patents

导频的配置方法及装置 Download PDF

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Publication number
WO2017054514A1
WO2017054514A1 PCT/CN2016/085742 CN2016085742W WO2017054514A1 WO 2017054514 A1 WO2017054514 A1 WO 2017054514A1 CN 2016085742 W CN2016085742 W CN 2016085742W WO 2017054514 A1 WO2017054514 A1 WO 2017054514A1
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WO
WIPO (PCT)
Prior art keywords
pilot
configuration information
configuration
downlink subframe
transmitted
Prior art date
Application number
PCT/CN2016/085742
Other languages
English (en)
French (fr)
Inventor
塔玛拉卡拉盖施
陈润华
高秋彬
陈文洪
李辉
Original Assignee
电信科学技术研究院
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 电信科学技术研究院 filed Critical 电信科学技术研究院
Priority to US15/759,513 priority Critical patent/US10651997B2/en
Priority to KR1020187008769A priority patent/KR102087874B1/ko
Priority to EP16850139.3A priority patent/EP3337078B1/en
Priority to JP2018515994A priority patent/JP6598989B2/ja
Publication of WO2017054514A1 publication Critical patent/WO2017054514A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—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
    • 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
    • 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
    • H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
    • 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
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot 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
    • H04L5/0091—Signaling for the administration of the divided path
    • H04L5/0094—Indication of how sub-channels of the path are allocated
    • 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a method and an apparatus for configuring pilots.
  • the pilots configured by the base station for the terminal are all transmitted in a regular downlink subframe.
  • a Channel State Information Reference Signal (CSI-RS) transmitted in a regular downlink subframe is introduced, and the measurement pilot can be configured as 2-port or 4-port or 8-port.
  • CSI-RS Channel State Information Reference Signal
  • DwPTS Downlink Pilot Time Slot
  • a pilot configuration method includes:
  • the configuration information of the pilot includes:
  • the index of the pilot, the index of each pilot in the index of all or part of the pilots respectively corresponds to a group of resource units for transmitting pilots in the special downlink subframe, and the resources corresponding to the index of each pilot The units are different.
  • the configuration information is sent to the terminal, optionally, according to any of the foregoing method embodiments.
  • One way to achieve this is:
  • the second pilot configuration signaling carries configuration information of the pilot transmitted in the special downlink subframe.
  • the second pilot configuration signaling further includes indication information that is used to indicate that the pilot corresponding to the configuration information of the pilot transmitted in the special downlink subframe is transmitted in the special downlink subframe.
  • the first pilot configuration signaling further carries indication information for indicating that the pilot corresponding to the configuration information of the pilot transmitted in the regular downlink subframe is transmitted in a regular downlink subframe.
  • the another implementation manner of sending the configuration information to the terminal is:
  • Determining second configuration information of the pilot for the terminal the second configuration information indicating that the pilot is transmitted in a special downlink subframe, and the pilot is not transmitted in a regular downlink subframe.
  • the sending the configuration information to the terminal includes:
  • the third pilot configuration signaling is sent to the terminal, where the third pilot configuration signaling carries the configuration information determined by the terminal, and the configuration information determined by the terminal includes the first configuration information or the second configuration information.
  • a pilot configuration method includes:
  • the configuration information of the pilot includes:
  • the index of the pilot, the index of each pilot in the index of all or part of the pilots respectively corresponds to a group of resource units for transmitting pilots in the special downlink subframe, and the resources corresponding to the index of each pilot The units are different.
  • one implementation manner of the configuration information of the received pilot is:
  • the second pilot configuration signaling receives second pilot configuration signaling different from the first pilot configuration signaling, where the first pilot configuration signaling carries configuration information of pilots transmitted in a regular downlink subframe, the second pilot The configuration signaling carries the configuration information of the pilot transmitted in the special downlink subframe.
  • the receiving, by the second pilot configuration signaling, different from the first pilot configuration signaling includes:
  • the pilot configuration signaling is a second pilot configuration signaling different from the first pilot configuration signaling; wherein the second pilot configuration
  • the signaling further includes indication information that is used to indicate that the pilot corresponding to the configuration information of the pilot that is transmitted in the special downlink subframe is transmitted in the special downlink subframe; the first pilot configuration information is also carried in the first pilot configuration information.
  • indication information indicating that the pilot corresponding to the configuration information of the pilot transmitted in the regular downlink subframe is transmitted in a regular downlink subframe.
  • the third pilot configuration signaling carries the configuration information of the pilot determined by the terminal, where the configuration information of the pilot determined by the terminal includes the first configuration information or the first
  • the second configuration information indicates that the pilot is transmitted in both the normal downlink subframe and the special downlink subframe, and the second configuration information indicates that the pilot is transmitted in a special downlink subframe, which is not conventional.
  • the pilot is transmitted in a downlink subframe.
  • the determining, according to the configuration information, a configuration of a pilot transmitted in a special downlink subframe including:
  • the resource unit for transmitting the pilot in the special downlink subframe corresponding to the index of the pilot carried in the first configuration information is searched; if not found, determining the first configuration information. Invalid, or, if not found, it is determined that the configuration of the pilot transmitted in the regular downlink subframe is valid, and the configuration of the pilot transmitted in the special downlink subframe is invalid;
  • a pilot configuration apparatus including:
  • a pilot configuration determining module configured to determine, by the terminal, configuration information of pilots transmitted in a special downlink subframe
  • a configuration information sending module configured to send the configuration information to the terminal.
  • the configuration information of the pilot includes:
  • the index of the pilot, the index of each pilot in the index of all or part of the pilots respectively corresponds to a group of resource units for transmitting pilots in the special downlink subframe, and the resources corresponding to the index of each pilot The units are different.
  • the configuration information sending module is configured to:
  • the second pilot configuration signaling carries configuration information of the pilot transmitted in the special downlink subframe.
  • the second pilot configuration signaling further includes indication information that is used to indicate that the pilot corresponding to the configuration information of the pilot transmitted in the special downlink subframe is transmitted in the special downlink subframe.
  • the first pilot configuration signaling further carries indication information for indicating that the pilot corresponding to the configuration information of the pilot transmitted in the regular downlink subframe is transmitted in a regular downlink subframe.
  • the pilot configuration determining module is configured to:
  • Determining second configuration information of the pilot for the terminal the second configuration information indicating that the pilot is transmitted in a special downlink subframe, and the pilot is not transmitted in a regular downlink subframe.
  • the configuration information sending module is configured to:
  • the third pilot configuration signaling is sent to the terminal, where the third pilot configuration signaling carries the configuration information determined by the terminal, and the configuration information determined by the terminal includes the first configuration information or the second configuration information.
  • the embodiment of the present invention provides a base station, including:
  • transceiver for receiving and transmitting data under the control of a processor
  • a memory that holds the data used by the processor to perform operations.
  • the configuration information of the pilot includes:
  • the index of the pilot, the index of each pilot in the index of all or part of the pilot respectively corresponds to A set of resource units for transmitting pilots in a special downlink subframe, where the index of each pilot corresponds to a different resource unit.
  • the processor is specifically configured to read a program from the memory, and perform the following process:
  • the second pilot configuration signaling carries configuration information of the pilot transmitted in the special downlink subframe.
  • the second pilot configuration signaling further includes indication information that is used to indicate that the pilot corresponding to the configuration information of the pilot transmitted in the special downlink subframe is transmitted in the special downlink subframe.
  • the first pilot configuration signaling further carries indication information for indicating that the pilot corresponding to the configuration information of the pilot transmitted in the regular downlink subframe is transmitted in a regular downlink subframe.
  • the processor is specifically configured to read the program from the memory, and perform the following process:
  • Determining second configuration information of the pilot for the terminal the second configuration information indicating that the pilot is transmitted in a special downlink subframe, and the pilot is not transmitted in a regular downlink subframe.
  • the processor is specifically configured to read the program from the memory, and perform the following process:
  • the third pilot configuration signaling is sent to the terminal, where the third pilot configuration signaling carries the configuration information determined by the terminal, and the configuration information determined by the terminal includes the first configuration information or the second configuration information.
  • the embodiment of the present invention further provides a pilot configuration apparatus, including:
  • a configuration information receiving module configured to receive configuration information of the pilot
  • the pilot configuration determining module is configured to determine, according to the configuration information, a configuration of pilots transmitted in a special downlink subframe.
  • the configuration information of the pilot includes:
  • the index of the pilot, the index of each pilot in the index of all or part of the pilots respectively corresponds to a group of resource units for transmitting pilots in the special downlink subframe, and the index corresponding to the index of each pilot
  • the source units are different.
  • the configuration information receiving module is used to:
  • the second pilot configuration signaling receives second pilot configuration signaling different from the first pilot configuration signaling, where the first pilot configuration signaling carries configuration information of pilots transmitted in a regular downlink subframe, the second pilot The configuration signaling carries the configuration information of the pilot transmitted in the special downlink subframe.
  • the configuration information receiving module is configured to:
  • the pilot configuration signaling is a second pilot configuration signaling different from the first pilot configuration signaling; wherein the second pilot configuration
  • the signaling further includes indication information that is used to indicate that the pilot corresponding to the configuration information of the pilot that is transmitted in the special downlink subframe is transmitted in the special downlink subframe; the first pilot configuration information is also carried in the first pilot configuration information.
  • indication information indicating that the pilot corresponding to the configuration information of the pilot transmitted in the regular downlink subframe is transmitted in a regular downlink subframe.
  • the configuration information receiving module is configured to:
  • the third pilot configuration signaling carries the configuration information of the pilot determined by the terminal, where the configuration information of the pilot determined by the terminal includes the first configuration information or the first
  • the second configuration information indicates that the pilot is transmitted in both the normal downlink subframe and the special downlink subframe, and the second configuration information indicates that the pilot is transmitted in a special downlink subframe, which is not conventional.
  • the pilot is transmitted in a downlink subframe.
  • the pilot configuration determining module is configured to:
  • the resource unit for transmitting the pilot in the special downlink subframe corresponding to the index of the pilot carried in the first configuration information is searched; if not found, determining the first configuration information. Invalid, or, if not found, it is determined that the configuration of the pilot transmitted in the regular downlink subframe is valid, and the configuration of the pilot transmitted in the special downlink subframe is invalid;
  • the embodiment of the present disclosure further provides a terminal, including:
  • transceiver for receiving and transmitting data according to control of the processor
  • a memory that holds data used by the processor to perform operations.
  • the configuration information of the pilot includes:
  • the index of the pilot, the index of each pilot in the index of all or part of the pilots respectively corresponds to a group of resource units for transmitting pilots in the special downlink subframe, and the resources corresponding to the index of each pilot The units are different.
  • the processor is specifically configured to read a program from the memory, and perform the following process:
  • the second pilot configuration signaling receives second pilot configuration signaling different from the first pilot configuration signaling, where the first pilot configuration signaling carries configuration information of pilots transmitted in a regular downlink subframe, the second pilot The configuration signaling carries the configuration information of the pilot transmitted in the special downlink subframe.
  • the processor is specifically configured to read the program from the memory, and perform the following process:
  • the pilot configuration signaling is a second pilot configuration signaling different from the first pilot configuration signaling; wherein the second pilot configuration
  • the signaling further includes indication information that is used to indicate that the pilot corresponding to the configuration information of the pilot that is transmitted in the special downlink subframe is transmitted in the special downlink subframe; the first pilot configuration information is also carried in the first pilot configuration information.
  • indication information indicating that the pilot corresponding to the configuration information of the pilot transmitted in the regular downlink subframe is transmitted in a regular downlink subframe.
  • the processor is specifically configured to read the program from the memory and perform the following process:
  • the third pilot configuration signaling carries the configuration information of the pilot determined by the terminal, where the configuration information of the pilot determined by the terminal includes the first configuration information or the first
  • the second configuration information indicates that the pilot is transmitted in both the normal downlink subframe and the special downlink subframe, and the second configuration information indicates that the pilot is transmitted in a special downlink subframe, which is not conventional.
  • the pilot is transmitted in a downlink subframe.
  • the processor is specifically configured to read the program from the memory, and perform the following process:
  • the resource unit for transmitting the pilot in the special downlink subframe corresponding to the index of the pilot carried in the first configuration information is searched; if not found, determining the first configuration information. Invalid, or, if not found, it is determined that the configuration of the pilot transmitted in the regular downlink subframe is valid, and the configuration of the pilot transmitted in the special downlink subframe is invalid;
  • the technical solution provided by the embodiment of the present disclosure implements a configuration for transmitting a pilot in a special downlink subframe, and further can transmit a downlink pilot in a special downlink subframe, so that the pilot configuration can meet more requirements.
  • FIG. 1 is a flowchart of a method according to an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of a pilot pattern of a CSI-RS transmitted in a conventional downlink subframe according to an embodiment of the present disclosure
  • 4 is a pilot pattern of a CSI-RS transmitted in a DwPTS with a length of 11, 12 symbols according to an embodiment of the present disclosure
  • FIG. 5 is a pilot pattern of a CSI-RS transmitted in a DwPTS with a length of 9, 10 symbols according to an embodiment of the present disclosure
  • FIG. 6 is a schematic diagram of an apparatus according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic diagram of a device according to another embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 1 is a schematic diagram of a method for configuring a pilot according to an embodiment of the present disclosure. The method is applicable to a base station side, and specifically includes the following operations:
  • Step 100 Determine, for the terminal, configuration information of pilots transmitted in a special downlink subframe.
  • the special downlink subframe may be, but is not limited to, DwPTS.
  • the pilot may be a CSI-RS, which is not limited in this disclosure.
  • Step 110 Send the configuration information to the terminal.
  • the method provided by the embodiment of the present disclosure implements a configuration for transmitting a pilot in a special downlink subframe, and can further transmit a downlink pilot in a special downlink subframe, so that the pilot configuration can meet more requirements.
  • the configuration information of the pilot may include an index of a pilot, a transmission period of a pilot, a subframe offset of a pilot, a port of a pilot, and the like.
  • the configuration information of the pilot determined in step 100 includes at least an index of the pilot, and the index of each pilot in the index of all or part of the pilots is respectively corresponding to a group for transmitting in a special downlink subframe.
  • the resource unit (RE) of the frequency, the resource unit corresponding to the index of each pilot is different.
  • the pilot unit transmitted in the special downlink subframe may be the same as the resource unit corresponding to the index of the pilot transmitted in the regular downlink subframe, or may be different. This is not limited.
  • the configuration information of the pilot determined in step 100 further includes a port of the pilot, a transmission period, and/or a subframe offset of the pilot.
  • the pilot port, the transmission period, and/or the pilot subframe offset are fixed, or there is no change in the current configuration, then only the index of the pilot may be determined in step 100.
  • the configuration information of the pilot transmitted in the special downlink subframe may be based on any of the foregoing method embodiments.
  • the configuration information of the pilot transmitted in the regular downlink subframe uses different signaling transmissions, and the same signaling transmission may also be used. Accordingly, the implementation of step 110 is as follows.
  • step 110 is as follows:
  • the first pilot configuration signaling carries the configuration information of the pilot transmitted in the regular downlink subframe
  • the second pilot configuration signaling carries the configuration information of the pilot transmitted in the special downlink subframe.
  • the pilot that is transmitted in the regular downlink subframe and the pilot that is transmitted in the special downlink subframe may be configured, and the first pilot configuration signaling is adopted. Transmitting configuration information of the pilot transmitted in the regular downlink subframe, and transmitting, by using the second pilot configuration signaling, configuration information of the pilot transmitted in the special downlink subframe, where the pilot transmitted in the regular downlink subframe
  • the transmission period of the transmission may be the same as or different from the transmission period of the pilot transmitted in the special downlink subframe, and the subframe offset of the pilot transmitted in the regular downlink subframe and the pilot transmitted in the special downlink subframe
  • the subframe offsets may be the same or different.
  • the pilot information transmitted in the regular downlink subframe may be configured only, and the configuration information of the pilot transmitted in the regular downlink subframe may be sent through the first pilot configuration signaling;
  • the pilots transmitted in the special downlink subframe are configured, and the configuration information of the pilots transmitted in the special downlink subframe is sent by using the second pilot configuration signaling.
  • an optional implementation manner is:
  • the frequency configuration signaling further carries indication information for indicating that the pilot corresponding to the configuration information of the pilot transmitted in the special downlink subframe is transmitted in the special downlink subframe;
  • the first pilot configuration signaling is further carried in the signaling Indicates indication information that the pilot corresponding to the configuration information of the pilot transmitted in the regular downlink subframe is transmitted in the regular downlink subframe.
  • the terminal may also be used to identify whether the received pilot configuration signaling is the first pilot configuration signaling or the second pilot configuration signaling, which is not limited in this disclosure.
  • step 110 is as follows:
  • the third pilot configuration signaling carries the configuration information determined by the terminal, and the configuration information may include the first configuration information or the second configuration information.
  • the configuration information may also include third configuration information. That is, the first configuration information, the second configuration information, or the third configuration information are transmitted using the third pilot configuration signaling.
  • the first configuration information indicates that pilots are transmitted in both the normal downlink subframe and the special downlink subframe
  • the second configuration information indicates that the pilot is transmitted in the special downlink subframe, and the pilot is not transmitted in the regular downlink subframe, that is, for the frame structure in the related art, the second configuration information indicates that the pilot is only transmitted in the special downlink subframe. frequency;
  • the third configuration information indicates that the pilot is transmitted in the regular downlink subframe, and the pilot is not transmitted in the special downlink subframe, that is, for the frame structure in the related art, the third configuration information indicates that the pilot is only transmitted in the regular downlink subframe. frequency.
  • the pilot configuration signaling is labeled “first”, “second”, and “third” only for distinguishing different types of pilot configuration signaling, instead of indicating Its priority, timing, and so on.
  • the “first”, “second”, and “third” of the configuration information are also used only to distinguish which type of downlink subframe the pilot is corresponding to, but not to indicate its priority and timing. and many more.
  • the pilot is configured for the terminal, and the pilot transmission period and/or the subframe offset are adjusted to control which type of downlink subframe is transmitted in the pilot.
  • the terminal may determine the first configuration information of the pilot, that is, the pilot that is configured to be transmitted in both the normal downlink subframe and the special downlink subframe, and specifically, the pilot transmission is configured.
  • the period and/or subframe offset is such that the pilots are transmitted in regular downlink subframes in certain periods and in special downlink subframes in other periods.
  • the second configuration information of the pilot may be determined for the terminal, that is, the pilot that is only transmitted in the special downlink subframe is configured, specifically, the transmission period and/or the subframe of the pilot is configured. Offset, so that the pilots are transmitted in special downlink subframes in all periods.
  • the third configuration information of the pilot may also be determined for the terminal, that is, the pilot transmitted only in the regular downlink subframe is configured.
  • FIG. 2 is a schematic diagram of a method for configuring a pilot according to an embodiment of the present disclosure. The method is applicable to the terminal side, and specifically includes the following operations:
  • Step 200 Receive configuration information of a pilot.
  • Step 210 Determine, according to the foregoing configuration information, a configuration of pilots transmitted in a special downlink subframe.
  • the method provided by the embodiment of the present disclosure implements a configuration for transmitting a pilot in a special downlink subframe.
  • the downlink pilot can be transmitted in a special downlink subframe, so that the pilot configuration can meet more requirements.
  • the configuration information of the pilot transmitted in the special downlink subframe may be different from the configuration information of the pilot transmitted in the regular downlink subframe by using different signaling, or the same signaling may be used.
  • Order transmission Accordingly, the implementation of step 200 is as follows.
  • the first implementation of step 200 is to receive second pilot configuration signaling different from the first pilot configuration signaling.
  • the first pilot configuration signaling carries the configuration information of the pilot transmitted in the regular downlink subframe
  • the second pilot configuration signaling carries the configuration information of the pilot transmitted in the special downlink subframe.
  • an optional implementation manner is: the second pilot configuration The signaling further carries indication information for indicating that the pilot corresponding to the configuration information of the pilot transmitted in the special downlink subframe is transmitted in the special downlink subframe; the first pilot configuration signaling is further carried in the indication The indication information that the pilot corresponding to the configuration information of the pilot transmitted in the regular downlink subframe is transmitted in the regular downlink subframe.
  • the step of receiving the second pilot configuration signaling different from the first pilot configuration signaling includes: receiving the pilot configuration signaling; determining the guiding according to the indication information carried in the received pilot configuration signaling
  • the frequency configuration signaling is a second pilot configuration signaling different from the first pilot configuration signaling.
  • the terminal may also be used to identify whether the received pilot configuration signaling is the first pilot configuration signaling or the second pilot configuration signaling, which is not limited in this disclosure.
  • step 200 is as follows:
  • Receiving the third pilot configuration signaling where the third pilot configuration signaling carries the configuration information of the pilot determined by the terminal, and the configuration information of the pilot determined by the terminal may include the first configuration information or the second configuration information.
  • the first configuration information indicates that the pilot is transmitted in both the normal downlink subframe and the special downlink subframe
  • the second configuration information indicates that the pilot is transmitted in a special downlink subframe, and the pilot is not transmitted in a regular downlink subframe. Pilot.
  • the configuration information of the pilot determined by the terminal may also include the third configuration information, that is, the third pilot configuration signaling is used regardless of the first configuration information, the second configuration information, or the third configuration information. transmission.
  • the third configuration information indication is transmitted in a regular downlink subframe.
  • the pilot is transmitted, and the pilot is not transmitted in a special downlink subframe.
  • the implementation manner of the foregoing step 210 is:
  • the resource unit for transmitting the pilot in the special downlink subframe corresponding to the index of the pilot carried in the first configuration information is searched for. If it is not found, it may be determined that the first configuration information is invalid, or that the configuration of the pilot transmitted in the regular downlink subframe is valid, and the configuration of the pilot transmitted in the special downlink subframe is invalid;
  • the resource unit for transmitting the pilot in the special downlink subframe corresponding to the index of the pilot carried in the second configuration information is searched; if not found, the second configuration information is determined to be invalid.
  • the pilot pattern of the 2-port CSI-RS transmitted in the regular downlink subframe is as shown in FIG. 3a
  • the pilot pattern of the 4-port CSI-RS is shown in FIG. 3b
  • the 8-port CSI-RS is shown.
  • the pilot pattern is shown in Figure 3c.
  • the correspondence between the index of the CSI-RS and the resource unit is as shown in Table 1.
  • n s mod2 takes a value of 0 to indicate the first time slot in the pilot pattern
  • n s mod2 takes a value of 1 to indicate the second time slot in the pilot pattern.
  • the value of k' represents the kth row in the pilot pattern
  • the value of l' represents the l'th column in the corresponding slot in the pilot pattern.
  • n s mod2 takes a value of 0
  • k' takes a value of 9
  • l' takes a value of 5, which indicates a resource unit corresponding to the fifth column in the 9th row and the 1st slot.
  • CSI-RS indexes 0 to 19 are applicable for both frame structures 1 and 2
  • CSI-RS indexes 20 to 31 are applicable only for frame structure 2.
  • the pilot pattern of the 2-port CSI-RS transmitted in the DwPTS is as shown in FIG. 4, and the correspondence between the index of the CSI-RS and the resource unit is as shown in Table 2.
  • the pilot pattern of the 2-port CSI-RS transmitted in the DwPTS is as shown in FIG. 5, and the correspondence between the index of the CSI-RS and the resource unit is shown in Table 3, when the DwPTS length is 9, 10 symbols.
  • the base station determines, for the terminal, configuration information of the CSI-RS transmitted in the special downlink subframe, and determines, for the terminal, the CSI-RS transmission in the normal downlink subframe. Set the information.
  • the determined configuration information includes an index, a port, a transmission period, and a subframe offset of the CSI-RS.
  • the index, port, transmission period, and subframe offset of the CSI-RS transmitted in the special downlink subframe determined by the terminal, and the CSI-RS transmitted in the regular downlink subframe determined for the terminal are the same. It should be noted that in practical applications, it can also be different.
  • the base station sends the first pilot configuration signaling and the second pilot configuration signaling to the terminal respectively.
  • the configuration of the CSI-RS transmitted in the regular downlink subframe is carried in the first pilot configuration signaling
  • the configuration of the CSI-RS transmitted in the special downlink subframe is carried in the second pilot configuration signaling. information.
  • the terminal receives the first pilot configuration signaling and the second pilot configuration signaling.
  • the terminal determines, according to the index of the CSI-RS and the port lookup table 1 carried in the first pilot configuration signaling, the resource unit occupied by the CSI-RS transmitted in the regular downlink subframe.
  • the CSI-RS has an index of 0 and a port of 2, and according to Table 1, it is determined that the CSI-RS transmitted in the regular downlink subframe occupies the ninth subcarrier of the regular downlink subframe, and the fifth slot of the first slot is 5th and 6th.
  • the resource unit of the symbol In addition, the terminal further determines, according to other configuration information carried in the first pilot configuration signaling, a transmission period and a subframe offset of the CSI-RS transmitted in the regular downlink subframe.
  • the terminal determines the resource unit occupied by the CSI-RS transmitted in the DwPTS according to the index of the CSI-RS carried in the second pilot configuration signaling and the port lookup table 2.
  • the CSI-RS has an index of 0 and a port of 2.
  • the CSI-RS transmitted in the DwPTS occupies the ninth subcarrier of the DwPTS and the resource elements of the second and third symbols of the first slot.
  • the terminal further determines a transmission period and a subframe offset of the CSI-RS transmitted in the DwPTS according to other configuration information carried in the second pilot configuration signaling.
  • the base station configures the CSI-RS transmitted in the regular downlink subframe and the CSI-RS transmitted in the DwPTS for the terminal.
  • the CSI-RS that is transmitted in the DwPTS may be configured only for the terminal.
  • a pilot map of a 2-port CSI-RS transmitted in a regular downlink subframe As shown in Figure 3a, the pilot pattern of the 4-port CSI-RS is shown in Figure 3b, and the pilot pattern of the 8-port CSI-RS is shown in Figure 3c.
  • the pilot pattern of the 2-port CSI-RS transmitted in the DwPTS is as shown in FIG. 4, and the correspondence between the index of the CSI-RS and the resource unit is shown.
  • Table 4 when the length of the DwPTS is 9, 10 symbols, the pilot pattern of the 2-port CSI-RS transmitted in the DwPTS is as shown in FIG. 5, and the correspondence between the index of the CSI-RS and the resource unit is shown in Table 5. Shown. It should be noted that for the 4-port and 8-port CSI-RS, the correspondence between the index and the resource unit can refer to Table 1, Table 2 and Table 3 above.
  • the base station determines configuration information of the CSI-RS for the terminal, specifically determines an index, a port, a transmission period, and a subframe offset of the CSI-RS, and sends the determined configuration information to the terminal by using the third pilot configuration signaling.
  • the terminal receives the third pilot configuration signaling, and determines whether the CSI-RS is transmitted in the regular downlink subframe and the DwPTS according to the transmission period and the subframe offset of the CSI-RS, or is only transmitted in the regular downlink subframe, or only in the DwPTS In transit.
  • the corresponding resource unit of the CSI-RS in the regular downlink subframe and the DwPTS is determined according to the CSI-RS index and the port, respectively. For example, if the number of CSI-RS ports 1 and 2 in Table 4 is "0", the index of the CSI-RS received by the terminal is "0". Then, for DwPTS, the RE position (k', l') of the CSI-RS is (9). 2); For a normal downlink subframe, the RE position (k', l') corresponding to the CSI-RS index of "0" is (9, 5).
  • the corresponding resource unit of the CSI-RS in the DwPTS is determined according to the CSI-RS index and the port. For example, the number of CSI-RS ports 1 and 2 in Table 5 is as follows. The index of the CSI-RS received by the terminal is “0”. Then, for the DwPTS, the RE position (k′, l′) of the CSI-RS is (9, 2).
  • the number of CSI-RSs can be found to be small when the length of the DwPTS is short, only a part of the CSI-RS configuration index is valid, for example, the number of CSI-RS ports is 1 and 2.
  • the effective configuration index is 0, 4, 5, 9, 10, 11, 18, 19.
  • the effective CSI-RS configuration index for the 4-port CSI-RS is 0, 4, 5, and 9; the effective CSI-RS configuration index for the 8-port CSI-RS is 0, 4.
  • the CSI-RS index that is valid in the DwPTS is less than that of the regular downlink subframe.
  • the base station configures the CSI-RS period and the subframe offset.
  • the CSI-RS only falls in the regular downlink subframe. In this case, the behavior of the terminal is the same as that of the earlier version.
  • the CSI-RS is only in the DwPTS when the base station is configured with the CSI-RS period and the subframe offset. In this case, if the CSI-RS index is invalid (for example, the CSI-RS port number is 1 and 2) 1") Then the terminal thinks that the configuration is wrong.
  • the base station configures the CSI-RS period and the subframe offset.
  • the CSI-RS appears in both the regular downlink subframe and the DwPTS.
  • the index is invalid (for example, CSI-RS).
  • the terminal can consider that this configuration is completely wrong or the terminal can consider that the CSI-RS appearing in the regular subframe is valid.
  • the embodiment of the present disclosure provides a pilot configuration apparatus, as shown in FIG. 6, including:
  • the pilot configuration determining module 601 is configured to determine configuration information of the pilot transmitted in the special downlink subframe for the terminal;
  • the configuration information sending module 602 is configured to send the configuration information to the terminal.
  • the technical solution provided by the embodiment of the present disclosure implements a configuration for transmitting a pilot in a special downlink subframe, and further can transmit a downlink pilot in a special downlink subframe, so that the pilot configuration can meet more requirements.
  • the configuration information of the pilot includes:
  • the index of the pilot, the index of each pilot in the index of all or part of the pilots respectively corresponds to a group of resource units for transmitting pilots in the special downlink subframe, and the resources corresponding to the index of each pilot The units are different.
  • the configuration information sending module is configured to:
  • the second pilot configuration signaling carries configuration information of the pilot transmitted in the special downlink subframe.
  • the second pilot configuration signaling further includes indication information that is used to indicate that the pilot corresponding to the configuration information of the pilot transmitted in the special downlink subframe is transmitted in the special downlink subframe.
  • the first pilot configuration signaling further carries indication information for indicating that the pilot corresponding to the configuration information of the pilot transmitted in the regular downlink subframe is transmitted in a regular downlink subframe.
  • the pilot configuration determining module is configured to:
  • Determining second configuration information of the pilot for the terminal the second configuration information indicating that the pilot is transmitted in a special downlink subframe, and the pilot is not transmitted in a regular downlink subframe.
  • the configuration information sending module is configured to:
  • the third pilot configuration signaling is sent to the terminal, where the third pilot configuration signaling carries the configuration information determined by the terminal, and the configuration information determined by the terminal includes the first configuration information or the second configuration information.
  • the embodiment of the present disclosure provides a base station, as shown in FIG. 7, including:
  • the processor 700 is configured to read a program from the memory 720 and perform the following process:
  • the transceiver 710 is configured to receive and send data under the control of the processor 700.
  • the memory 720 is configured to save data used by the processor 700 to perform operations.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 700 and various circuits of memory represented by memory 720.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art, and therefore, this article is no longer It is further described.
  • the bus interface provides an interface.
  • Transceiver 710 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 700 is responsible for managing the bus architecture and general processing, and the memory 720 can store data used by the processor 700 in performing operations.
  • the technical solution provided by the embodiment of the present disclosure implements a configuration for transmitting a pilot in a special downlink subframe, and further can transmit a downlink pilot in a special downlink subframe, so that the pilot configuration can meet more requirements.
  • the configuration information of the pilot includes:
  • the index of the pilot, the index of each pilot in the index of all or part of the pilots respectively corresponds to a group of resource units for transmitting pilots in the special downlink subframe, and the resources corresponding to the index of each pilot The units are different.
  • the processor is specifically configured to read a program from the memory, and perform the following process:
  • the second pilot configuration signaling carries configuration information of the pilot transmitted in the special downlink subframe.
  • the second pilot configuration signaling further includes indication information that is used to indicate that the pilot corresponding to the configuration information of the pilot transmitted in the special downlink subframe is transmitted in the special downlink subframe.
  • the first pilot configuration signaling further carries indication information for indicating that the pilot corresponding to the configuration information of the pilot transmitted in the regular downlink subframe is transmitted in a regular downlink subframe.
  • the processor is specifically configured to read the program from the memory, and perform the following process:
  • Determining second configuration information of the pilot for the terminal the second configuration information indicating that the pilot is transmitted in a special downlink subframe, and the pilot is not transmitted in a regular downlink subframe.
  • the processor is specifically configured to read the program from the memory, and perform the following process:
  • the third pilot configuration signaling carries the configuration information determined by the terminal, and the configuration information determined by the terminal includes the first configuration information or the second configuration information. interest.
  • the embodiment of the present disclosure further provides a pilot configuration apparatus, as shown in FIG. 8, including:
  • the configuration information receiving module 801 is configured to receive configuration information of the pilot
  • the pilot configuration determining module 802 is configured to determine, according to the configuration information, a configuration of pilots transmitted in a special downlink subframe.
  • the technical solution provided by the embodiment of the present disclosure implements a configuration for transmitting a pilot in a special downlink subframe, and further can transmit a downlink pilot in a special downlink subframe, so that the pilot configuration can meet more requirements.
  • the configuration information of the pilot includes:
  • the index of the pilot, the index of each pilot in the index of all or part of the pilots respectively corresponds to a group of resource units for transmitting pilots in the special downlink subframe, and the resources corresponding to the index of each pilot The units are different.
  • the configuration information receiving module is used to:
  • the second pilot configuration signaling receives second pilot configuration signaling different from the first pilot configuration signaling, where the first pilot configuration signaling carries configuration information of pilots transmitted in a regular downlink subframe, the second pilot The configuration signaling carries the configuration information of the pilot transmitted in the special downlink subframe.
  • the configuration information receiving module is configured to:
  • the pilot configuration signaling is a second pilot configuration signaling different from the first pilot configuration signaling; wherein the second pilot configuration
  • the signaling further includes indication information that is used to indicate that the pilot corresponding to the configuration information of the pilot that is transmitted in the special downlink subframe is transmitted in the special downlink subframe; the first pilot configuration information is also carried in the first pilot configuration information.
  • indication information indicating that the pilot corresponding to the configuration information of the pilot transmitted in the regular downlink subframe is transmitted in a regular downlink subframe.
  • the configuration information receiving module is configured to:
  • the third pilot configuration signaling carries the configuration information of the pilot determined by the terminal, and the configuration information of the pilot determined by the terminal includes the first configuration information or the second
  • the configuration information the first configuration information indicates that the pilot is transmitted in both a normal downlink subframe and a special downlink subframe
  • the second configuration information indicates that the pilot is transmitted in a special downlink subframe, not in a normal downlink.
  • the pilot is transmitted in a subframe.
  • the pilot configuration determining module is configured to:
  • the resource unit for transmitting the pilot in the special downlink subframe corresponding to the index of the pilot carried in the first configuration information is searched; if not found, determining the first configuration information. Invalid, or, if not found, it is determined that the configuration of the pilot transmitted in the regular downlink subframe is valid, and the configuration of the pilot transmitted in the special downlink subframe is invalid;
  • the embodiment of the present disclosure further provides a terminal, as shown in FIG. 9, including:
  • the processor 900 is configured to read a program from the memory 920 and perform the following process:
  • the transceiver 910 is configured to receive and send data according to the control of the processor 900.
  • the memory 920 is configured to save data used by the processor 900 to perform operations.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 900 and various circuits of memory represented by memory 920.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 910 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the user interface 930 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 900 is responsible for managing the bus architecture and general processing, and the memory 920 can store data used by the processor 900 in performing operations.
  • the technical solution provided by the embodiment of the present disclosure implements the transmission of the pilot in a special downlink subframe.
  • the downlink pilot can be transmitted in a special downlink subframe, so that the pilot configuration can meet more requirements.
  • the configuration information of the pilot includes:
  • the index of the pilot, the index of each pilot in the index of all or part of the pilots respectively corresponds to a group of resource units for transmitting pilots in the special downlink subframe, and the resources corresponding to the index of each pilot The units are different.
  • the processor is specifically configured to read a program from the memory, and perform the following process:
  • the second pilot configuration signaling receives second pilot configuration signaling different from the first pilot configuration signaling, where the first pilot configuration signaling carries configuration information of pilots transmitted in a regular downlink subframe, the second pilot The configuration signaling carries the configuration information of the pilot transmitted in the special downlink subframe.
  • the processor is specifically configured to read the program from the memory, and perform the following process:
  • the pilot configuration signaling is a second pilot configuration signaling different from the first pilot configuration signaling; wherein the second pilot configuration
  • the signaling further includes indication information that is used to indicate that the pilot corresponding to the configuration information of the pilot that is transmitted in the special downlink subframe is transmitted in the special downlink subframe; the first pilot configuration information is also carried in the first pilot configuration information.
  • indication information indicating that the pilot corresponding to the configuration information of the pilot transmitted in the regular downlink subframe is transmitted in a regular downlink subframe.
  • the processor is specifically configured to read the program from the memory and perform the following process:
  • the third pilot configuration signaling carries the configuration information of the pilot determined by the terminal
  • the configuration information of the pilot determined by the terminal includes the first configuration information or the second configuration.
  • the first configuration information indicates that the pilot is transmitted in both a normal downlink subframe and a special downlink subframe
  • the second configuration information indicates that the pilot is transmitted in a special downlink subframe, not in a regular downlink subframe.
  • the pilot is transmitted in a frame.
  • the processor is specifically configured to read the program from the memory, and perform the following process:
  • the resource unit for transmitting the pilot in the special downlink subframe corresponding to the index of the pilot carried in the first configuration information is searched; if not found, determining the The first configuration information is invalid, or, if not found, determining that the configuration of the pilot transmitted in the regular downlink subframe is valid, and the configuration of the pilot transmitted in the special downlink subframe is invalid;
  • embodiments of the present disclosure can be provided as a method, system, or computer program product. Accordingly, the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware aspects. Moreover, the present disclosure may take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • 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 onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

本公开公开了一种导频的配置方法及装置。其方法包括：为终端确定在特殊下行子帧中传输的导频的配置信息；向所述终端发送所述配置信息。本公开实施提供的技术方案，实现了针对特殊下行子帧中传输导频的配置。

Description

导频的配置方法及装置
相关申请的交叉引用
本申请主张在2015年9月29日在中国提交的中国专利申请号No.201510634751.3的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域，尤其涉及一种导频的配置方法及装置。
背景技术
目前，基站为终端配置的导频均是在常规下行子帧中传输。例如，在Rel-10版本的长期演进(Long Term Evolution，LTE)系统中引入了在常规下行子帧中传输的测量导频(Channel State Information Reference Signal，CSI-RS)，测量导频可以配置为2端口或4端口或者8端口。
目前标准中还没有针对在特殊下行子帧，例如下行导频时隙(Downlink Pilot Time Slot，DwPTS)中传输导频的配置。
发明内容
本公开的目的是提供一种导频的配置方法及装置，以实现在特殊下行子帧中传输导频的配置。
本公开的目的是通过以下技术方案实现的：
一种导频的配置方法，包括：
为终端确定在特殊下行子帧中传输的导频的配置信息；
向所述终端发送所述配置信息。
可选地，所述导频的配置信息包括：
所述导频的索引，全部或部分导频的索引中的每个导频的索引分别对应一组用于在特殊下行子帧中传输导频的资源单元，每个导频的索引对应的资源单元各不相同。
基于上述任意方法实施例，可选地，所述向所述终端发送所述配置信息 的一种实现方式是：
向所述终端发送不同于第一导频配置信令的第二导频配置信令，所述第一导频配置信令中携带在常规下行子帧中传输的导频的配置信息，所述第二导频配置信令中携带所述在特殊下行子帧中传输的导频的配置信息。
可选地，所述第二导频配置信令中还携带用于指示所述在特殊下行子帧中传输的导频的配置信息对应的导频在特殊下行子帧中传输的指示信息；
所述第一导频配置信令中还携带用于指示所述在常规下行子帧中传输的导频的配置信息对应的导频在常规下行子帧中传输的指示信息。
可选地，所述向所述终端发送所述配置信息的另一种实现方式是：
为终端确定导频的第一配置信息，所述第一配置信息指示在常规下行子帧和特殊下行子帧中均传输所述导频；或者，
为终端确定导频的第二配置信息，所述第二配置信息指示在特殊下行子帧中传输所述导频、不在常规下行子帧中传输所述导频。
可选地，所述向所述终端发送所述配置信息，包括：
向所述终端发送第三导频配置信令，所述第三导频配置信令中携带为终端确定的配置信息，所述为终端确定的配置信息包括第一配置信息或第二配置信息。
一种导频的配置方法，包括：
接收导频的配置信息；
根据所述配置信息确定在特殊下行子帧中传输的导频的配置。
可选地，所述导频的配置信息包括：
所述导频的索引，全部或部分导频的索引中的每个导频的索引分别对应一组用于在特殊下行子帧中传输导频的资源单元，每个导频的索引对应的资源单元各不相同。
基于上述任意方法实施例，可选地，所述接收导频的配置信息的一种实现方式为：
接收不同于第一导频配置信令的第二导频配置信令，所述第一导频配置信令中携带在常规下行子帧中传输的导频的配置信息，所述第二导频配置信令中携带所述在特殊下行子帧中传输的导频的配置信息。
可选地，所述接收不同于第一导频配置信令的第二导频配置信令，包括：
接收导频配置信令；
根据接收到的导频配置信令中携带的指示信息确定所述导频配置信令为不同于第一导频配置信令的第二导频配置信令；其中，所述第二导频配置信令中还携带用于指示所述在特殊下行子帧中传输的导频的配置信息对应的导频在特殊下行子帧中传输的指示信息；所述第一导频配置信息中还携带用于指示所述在常规下行子帧中传输的导频的配置信息对应的导频在常规下行子帧中传输的指示信息。
可选地，所述接收导频的配置信息的另一种实现方式为：
接收第三导频配置信令，所述第三导频配置信令中携带为本终端确定的导频的配置信息，所述为本终端确定的导频的配置信息包括第一配置信息或第二配置信息，所述第一配置信息指示在常规下行子帧和特殊下行子帧中均传输所述导频，所述第二配置信息指示在特殊下行子帧中传输所述导频、不在常规下行子帧中传输所述导频。
可选地，所述根据所述配置信息确定在特殊下行子帧中传输的导频的配置，包括：
如果是第一配置信息，查找所述第一配置信息中携带的导频的索引对应的用于在特殊下行子帧中传输导频的资源单元；如果没有查找到，确定所述第一配置信息无效，或者，如果没有查找到，确定在常规下行子帧中传输的导频的配置有效、在特殊下行子帧中传输的导频的配置无效；
如果是第二配置信息，查找所述第二配置信息中携带的导频的索引对应的用于在特殊下行子帧中传输导频的资源单元；如果没有查找到，确定所述第二配置信息无效。
基于与方法同样的发明构思，本公开实施例提供一种导频的配置装置，包括：
导频配置确定模块，用于为终端确定在特殊下行子帧中传输的导频的配置信息；
配置信息发送模块，用于向所述终端发送所述配置信息。
可选地，所述导频的配置信息包括：
所述导频的索引，全部或部分导频的索引中的每个导频的索引分别对应一组用于在特殊下行子帧中传输导频的资源单元，每个导频的索引对应的资源单元各不相同。
基于上述任意装置实施例，可选地，一方面，所述配置信息发送模块用于：
向所述终端发送不同于第一导频配置信令的第二导频配置信令，所述第一导频配置信令中携带在常规下行子帧中传输的导频的配置信息，所述第二导频配置信令中携带所述在特殊下行子帧中传输的导频的配置信息。
可选地，所述第二导频配置信令中还携带用于指示所述在特殊下行子帧中传输的导频的配置信息对应的导频在特殊下行子帧中传输的指示信息；
所述第一导频配置信令中还携带用于指示所述在常规下行子帧中传输的导频的配置信息对应的导频在常规下行子帧中传输的指示信息。
可选地，另一方面，所述导频配置确定模块用于：
为终端确定导频的第一配置信息，所述第一配置信息指示在常规下行子帧和特殊下行子帧中均传输所述导频；或者，
为终端确定导频的第二配置信息，所述第二配置信息指示在特殊下行子帧中传输所述导频、不在常规下行子帧中传输所述导频。
可选地，所述配置信息发送模块用于：
向所述终端发送第三导频配置信令，所述第三导频配置信令中携带为终端确定的配置信息，所述为终端确定的配置信息包括第一配置信息或第二配置信息。
基于与方法同样的发明构思，本发明实施例提供一种基站，包括：
处理器，用于从存储器中读取程序，执行下列过程：
为终端确定在特殊下行子帧中传输的导频的配置信息；
通过收发机向所述终端发送所述配置信息；
收发机，用于在处理器的控制下接收和发送数据；
存储器，用于保存处理器执行操作时所使用的数据。
可选地，所述导频的配置信息包括：
所述导频的索引，全部或部分导频的索引中的每个导频的索引分别对应 一组用于在特殊下行子帧中传输导频的资源单元，每个导频的索引对应的资源单元各不相同。
基于上述任意基站实施例，可选地，一方面，处理器具体用于从存储器中读取程序，执行下列过程：
向所述终端发送不同于第一导频配置信令的第二导频配置信令，所述第一导频配置信令中携带在常规下行子帧中传输的导频的配置信息，所述第二导频配置信令中携带所述在特殊下行子帧中传输的导频的配置信息。
可选地，所述第二导频配置信令中还携带用于指示所述在特殊下行子帧中传输的导频的配置信息对应的导频在特殊下行子帧中传输的指示信息；
所述第一导频配置信令中还携带用于指示所述在常规下行子帧中传输的导频的配置信息对应的导频在常规下行子帧中传输的指示信息。
可选地，另一方面，处理器具体用于从存储器中读取程序，执行下列过程：
为终端确定导频的第一配置信息，所述第一配置信息指示在常规下行子帧和特殊下行子帧中均传输所述导频；或者，
为终端确定导频的第二配置信息，所述第二配置信息指示在特殊下行子帧中传输所述导频、在常规下行子帧中不传输所述导频。
可选地，处理器具体用于从存储器中读取程序，执行下列过程：
向所述终端发送第三导频配置信令，所述第三导频配置信令中携带为终端确定的配置信息，所述为终端确定的配置信息包括第一配置信息或第二配置信息。
基于与方法同样的发明构思，本发明实施例还提供一种导频的配置装置，包括：
配置信息接收模块，用于接收导频的配置信息；
导频配置确定模块，用于根据所述配置信息确定在特殊下行子帧中传输的导频的配置。
可选地，所述导频的配置信息包括：
所述导频的索引，全部或部分导频的索引中的每个导频的索引分别对应一组用于在特殊下行子帧中传输导频的资源单元，每个导频的索引对应的资 源单元各不相同。
基于上述任意装置实施例，一方面，可选地，所述配置信息接收模块用于：
接收不同于第一导频配置信令的第二导频配置信令，所述第一导频配置信令中携带在常规下行子帧中传输的导频的配置信息，所述第二导频配置信令中携带所述在特殊下行子帧中传输的导频的配置信息。
可选地，所述配置信息接收模块用于：
接收导频配置信令；
根据接收到的导频配置信令中携带的指示信息确定所述导频配置信令为不同于第一导频配置信令的第二导频配置信令；其中，所述第二导频配置信令中还携带用于指示所述在特殊下行子帧中传输的导频的配置信息对应的导频在特殊下行子帧中传输的指示信息；所述第一导频配置信息中还携带用于指示所述在常规下行子帧中传输的导频的配置信息对应的导频在常规下行子帧中传输的指示信息。
另一方面，可选地，所述配置信息接收模块用于：
接收第三导频配置信令，所述第三导频配置信令中携带为本终端确定的导频的配置信息，所述为本终端确定的导频的配置信息包括第一配置信息或第二配置信息，所述第一配置信息指示在常规下行子帧和特殊下行子帧中均传输所述导频，所述第二配置信息指示在特殊下行子帧中传输所述导频、不在常规下行子帧中传输所述导频。
可选地，所述导频配置确定模块用于：
如果是第一配置信息，查找所述第一配置信息中携带的导频的索引对应的用于在特殊下行子帧中传输导频的资源单元；如果没有查找到，确定所述第一配置信息无效，或者，如果没有查找到，确定在常规下行子帧中传输的导频的配置有效、在特殊下行子帧中传输的导频的配置无效；
如果是第二配置信息，查找所述第二配置信息中携带的导频的索引对应的用于在特殊下行子帧中传输导频的资源单元；如果没有查找到，确定所述第二配置信息无效。
基于与方法同样的发明构思，本公开实施例还提供一种终端，包括：
处理器，用于从存储器中读取程序，执行下列过程：
通过收发机接收导频的配置信息；
根据所述配置信息确定在特殊下行子帧中传输的导频的配置；
收发机，用于根据处理器的控制接收和发送数据；
存储器，用于保存处理器执行操作过程中所使用的数据。
可选地，所述导频的配置信息包括：
所述导频的索引，全部或部分导频的索引中的每个导频的索引分别对应一组用于在特殊下行子帧中传输导频的资源单元，每个导频的索引对应的资源单元各不相同。
基于上述任意终端实施例，一方面，可选地，处理器具体用于从存储器中读取程序，执行下列过程：
接收不同于第一导频配置信令的第二导频配置信令，所述第一导频配置信令中携带在常规下行子帧中传输的导频的配置信息，所述第二导频配置信令中携带所述在特殊下行子帧中传输的导频的配置信息。
可选地，处理器具体用于从存储器中读取程序，执行下列过程：
接收导频配置信令；
根据接收到的导频配置信令中携带的指示信息确定所述导频配置信令为不同于第一导频配置信令的第二导频配置信令；其中，所述第二导频配置信令中还携带用于指示所述在特殊下行子帧中传输的导频的配置信息对应的导频在特殊下行子帧中传输的指示信息；所述第一导频配置信息中还携带用于指示所述在常规下行子帧中传输的导频的配置信息对应的导频在常规下行子帧中传输的指示信息。
另一方面，可选地，处理器具体用于从存储器中读取程序，执行下列过程：
接收第三导频配置信令，所述第三导频配置信令中携带为本终端确定的导频的配置信息，所述为本终端确定的导频的配置信息包括第一配置信息或第二配置信息，所述第一配置信息指示在常规下行子帧和特殊下行子帧中均传输所述导频，所述第二配置信息指示在特殊下行子帧中传输所述导频、不在常规下行子帧中传输所述导频。
可选地，处理器具体用于从存储器中读取程序，执行下列过程：
如果是第一配置信息，查找所述第一配置信息中携带的导频的索引对应的用于在特殊下行子帧中传输导频的资源单元；如果没有查找到，确定所述第一配置信息无效，或者，如果没有查找到，确定在常规下行子帧中传输的导频的配置有效、在特殊下行子帧中传输的导频的配置无效；
如果是第二配置信息，查找所述第二配置信息中携带的导频的索引对应的用于在特殊下行子帧中传输导频的资源单元；如果没有查找到，确定所述第二配置信息无效。
本公开实施例提供的技术方案，实现了在特殊下行子帧中传输导频的配置，进而能够在特殊下行子帧中传输下行导频，使得导频配置能够满足更多需求。
附图说明
为了更清楚地说明本申请实施例或相关技术中的技术方案，下面将对实施例或相关技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请中记载的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。以下附图并未刻意按实际尺寸等比例缩放绘制，重点在于示出本申请的主旨。
图1为本公开一个实施例提供的方法流程图；
图2为本公开另一个实施例提供的方法流程图；
图3a～图3c为本公开实施例提供的常规下行子帧中传输的CSI-RS的导频图样；
图4为本公开实施例提供的长度为11、12个符号的DwPTS中传输的CSI-RS的导频图样；
图5为本公开实施例提供的长度为9、10个符号的DwPTS中传输的CSI-RS的导频图样；
图6为本公开一个实施例提供的装置示意图；
图7为本公开实施例提供的基站结构示意图；
图8为本公开另一个实施例提供的装置示意图；
图9为本公开实施例提供的终端结构示意图。
具体实施方式
为使本公开的实施例的目的、技术方案和优点更加清楚，下面将结合本公开的实施例的附图，对本公开的实施例的技术方案进行清楚、完整地描述。显然，所描述的实施例是本公开的一部分实施例，而不是全部的实施例。基于所描述的本公开的实施例，本领域普通技术人员所获得的所有其他实施例，都属于本公开文本保护的范围。
图1所示为本公开实施例提供的一种导频的配置方法，该方法适用于基站侧，具体包括如下操作：
步骤100、为终端确定在特殊下行子帧中传输的导频的配置信息。
本公开实施例中，特殊下行子帧可以但不仅限于是DwPTS。
本公开实施例中，导频可以是CSI-RS，本公开对此不作限定。
步骤110、向上述终端发送上述配置信息。
本公开实施例提供的方法，实现了在特殊下行子帧中传输导频的配置，进而能够在特殊下行子帧中传输下行导频，使得导频配置能够满足更多需求。
导频的配置信息可以包括导频的索引，导频的传输周期，导频的子帧偏移，导频的端口等等。相应地，在步骤100中确定的导频的配置信息至少包括导频的索引，全部或部分导频的索引中的每个导频的索引分别对应一组用于在特殊下行子帧中传输导频的资源单元(RE)，每个导频的索引对应的资源单元各不相同。
本公开实施例中，特殊下行子帧中传输的导频，其每个索引所对应的资源单元可以与常规下行子帧中传输的导频的索引对应的资源单元相同，也可以不同，本公开对此不作限定。
可选地，在步骤100中确定的导频的配置信息中还包括导频的端口、传输周期和/或导频的子帧偏移。其中，如果导频的端口、传输周期和/或导频的子帧偏移是固定的，或者在本次配置时没有发生变化，那么，在步骤100中可以仅确定导频的索引。
基于上述任意方法实施例，特殊下行子帧中传输的导频的配置信息可以 与常规下行子帧中传输的导频的配置信息使用不同的信令传输，也可以使用相同的信令传输。相应地，步骤110的实现方式分别如下。
步骤110的实现方式一：
向上述终端发送不同于第一导频配置信令的第二导频配置信令。
其中，第一导频配置信令中携带在常规下行子帧中传输的导频的配置信息，第二导频配置信令中携带在特殊下行子帧中传输的导频的配置信息。
在具体实现过程中，针对一个终端，可以既为其配置在常规下行子帧中传输的导频，也为其配置在特殊下行子帧中传输的导频，并且通过第一导频配置信令发送在常规下行子帧中传输的导频的配置信息，通过第二导频配置信令发送在特殊下行子帧中传输的导频的配置信息，其中，在常规下行子帧中传输的导频的传输周期与在特殊下行子帧中传输的导频的传输周期可以相同、也可以不同，在常规下行子帧中传输的导频的子帧偏移与在特殊下行子帧中传输的导频的子帧偏移可以相同、也可以不同。针对一个终端，也可以仅为其配置在常规下行子帧中传输的导频，并通过第一导频配置信令发送在常规下行子帧中传输的导频的配置信息；还可以仅为其配置在特殊下行子帧中传输的导频，并通过第二导频配置信令发送在特殊下行子帧中传输的导频的配置信息。
基于上述步骤110的实现方式一，为了使得终端识别接收到的导频配置信令是第一导频配置信令还是第二导频配置信令，一种可选的实现方式为：第二导频配置信令中还携带用于指示在特殊下行子帧中传输的导频的配置信息对应的导频在特殊下行子帧中传输的指示信息；第一导频配置信令中还携带用于指示在常规下行子帧中传输的导频的配置信息对应的导频在常规下行子帧中传输的指示信息。
应当指出的是，也可以通过其他方式使得终端识别接收到的导频配置信令是第一导频配置信令还是第二导频配置信令，本公开对此不作限定。
步骤110的实现方式二：
向上述终端发送第三导频配置信令。
其中，第三导频配置信令中携带为终端确定的配置信息，该配置信息可以包括第一配置信息或第二配置信息。
该配置信息还可以包括第三配置信息。即无论第一配置信息、第二配置信息还是第三配置信息均使用第三导频配置信令传输。
其中，第一配置信息指示在常规下行子帧和特殊下行子帧中均传输导频；
第二配置信息指示在特殊下行子帧中传输导频、不在常规下行子帧中传输导频，即针对相关技术中的帧结构而言，第二配置信息指示仅在特殊下行子帧中传输导频；
第三配置信息指示在常规下行子帧中传输导频、不在特殊下行子帧中传输导频，即针对相关技术中的帧结构而言，第三配置信息指示仅在常规下行子帧中传输导频。
应当指出的是，本公开实施例中，对导频配置信令冠以“第一”、“第二”、“第三”仅用于区分不同类型的导频配置信令，而不是为了表示其优先顺序、时序等等。对配置信息冠以“第一”、“第二”、“第三”也仅用于区分其所对应的导频在哪种类型的下行子帧中传输，而不是为了表示其优先顺序、时序等等。
在具体实现过程中，为终端配置导频，具体通过调整导频的传输周期和/或子帧偏移，来控制导频在哪种类型的下行子帧中传输。相应地，上述步骤100中，具体可以为终端确定导频的第一配置信息，即，配置在常规下行子帧和特殊下行子帧中均传输的导频，具体地，通过配置导频的传输周期和/或子帧偏移，使得导频在某些周期内在常规下行子帧中传输，在另外一些周期内在特殊下行子帧中传输。或者，上述步骤100中，具体可以为终端确定导频的第二配置信息，即，配置仅在特殊下行子帧中传输的导频，具体地，通过配置导频的传输周期和/或子帧偏移，使得导频在全部周期内均在特殊下行子帧中传输。当然，也可以为终端确定导频的第三配置信息，即，配置仅在常规下行子帧中传输的导频。
图2所示为本公开实施例提供的一种导频的配置方法，该方法适用于终端侧，具体包括如下操作：
步骤200、接收导频的配置信息。
步骤210、根据上述配置信息确定在特殊下行子帧中传输的导频的配置。
本公开实施例提供的方法，实现了在特殊下行子帧中传输导频的配置， 进而能够在特殊下行子帧中传输下行导频，使得导频配置能够满足更多需求。
其中，关于导频的配置信息的解释可以参照上述实施例的描述，此处不再赘述。
基于上述任意方法实施例，可选地，特殊下行子帧中传输的导频的配置信息可以与常规下行子帧中传输的导频的配置信息使用不同的信令传输，也可以使用相同的信令传输。相应地，步骤200的实现方式分别如下。
步骤200的实现方式一：接收不同于第一导频配置信令的第二导频配置信令。
其中，第一导频配置信令中携带在常规下行子帧中传输的导频的配置信息，第二导频配置信令中携带所述在特殊下行子帧中传输的导频的配置信息。
基于上述步骤200的实现方式一，为了识别接收到的导频配置信令是第一导频配置信令还是第二导频配置信令，一种可选的实现方式为：第二导频配置信令中还携带用于指示在特殊下行子帧中传输的导频的配置信息对应的导频在特殊下行子帧中传输的指示信息；第一导频配置信令中还携带用于指示在常规下行子帧中传输的导频的配置信息对应的导频在常规下行子帧中传输的指示信息。相应地，接收不同于第一导频配置信令的第二导频配置信令的步骤具体包括：接收导频配置信令；根据接收到的导频配置信令中携带的指示信息确定该导频配置信令为不同于第一导频配置信令的第二导频配置信令。
应当指出的是，也可以通过其他方式使得终端识别接收到的导频配置信令是第一导频配置信令还是第二导频配置信令，本公开对此不作限定。
步骤200的实现方式二：
接收第三导频配置信令，第三导频配置信令中携带为本终端确定的导频的配置信息，为本终端确定的导频的配置信息可以包括第一配置信息或第二配置信息，第一配置信息指示在常规下行子帧和特殊下行子帧中均传输所述导频，第二配置信息指示在特殊下行子帧中传输所述导频、不在常规下行子帧中传输所述导频。应当指出的是，为本终端确定的导频的配置信息也可以包括第三配置信息，即无论第一配置信息、第二配置信息还是第三配置信息均使用所述第三导频配置信令传输。第三配置信息指示在常规下行子帧中传 输所述导频、不在特殊下行子帧中传输所述导频。
基于上述步骤200的实现方式二，可选地，上述步骤210的实现方式为：
如果是第一配置信息，查找该第一配置信息中携带的导频的索引对应的用于在特殊下行子帧中传输导频的资源单元。如果没有查找到，可以确定该第一配置信息无效，或者，确定在常规下行子帧中传输的导频的配置有效、在特殊下行子帧中传输的导频的配置无效；
如果是第二配置信息，查找该第二配置信息中携带的导频的索引对应的用于在特殊下行子帧中传输导频的资源单元；如果没有查找到，确定第二配置信息无效。
下面以CSI-RS的配置为例，对本公开实施例提供的技术方案进行详细说明。
在至少一个实施例中，在常规下行子帧中传输的2端口CSI-RS的导频图样如图3a所示，4端口CSI-RS的导频图样如图3b所示，8端口CSI-RS的导频图样如图3c所示。CSI-RS的索引与资源单元的对应关系如表1所示。
表1
Figure PCTCN2016085742-appb-000001
其中，nsmod2取值为0表示导频图样中的第1个时隙，nsmod2取值为1表示导频图样中的第2个时隙。k’的取值表示导频图样中第k’行，l’的取值表示导频图样中对应时隙中的第l’列。例如，nsmod2取值为0，k’取值为9，l’取值为5，则表示第9行、第1个时隙中第5列对应的资源单元。
其中，CSI-RS索引0到19是针对帧结构1和2都适用，而CSI-RS索引20到31只针对帧结构2适用。
本实施例中，DwPTS长度为11、12个符号时，在DwPTS中传输的2端口CSI-RS的导频图样如图4所示，CSI-RS的索引与资源单元的对应关系如表2所示，DwPTS长度为9、10个符号时，在DwPTS中传输的2端口CSI-RS的导频图样如图5所示，CSI-RS的索引与资源单元的对应关系如表3所示。
表2
Figure PCTCN2016085742-appb-000002
表3
Figure PCTCN2016085742-appb-000003
基于上述各表及导频图样，基站为终端确定在特殊下行子帧中传输的CSI-RS的配置信息，并为该终端确定在常规下行子帧中传输的CSI-RS的配 置信息。
其中，确定的配置信息包括CSI-RS的索引、端口、传输周期和子帧偏移。
该实施例中，为终端确定的在特殊下行子帧中传输的CSI-RS的索引、端口、传输周期和子帧偏移，与为该终端确定的在常规下行子帧中传输的CSI-RS的索引、端口、传输周期和子帧偏移均相同。应当指出的是，在实际应用中，也可以不同。
基站分别向终端发送第一导频配置信令，和第二导频配置信令。其中，在第一导频配置信令中携带在常规下行子帧中传输的CSI-RS的配置信息，在第二导频配置信令中携带在特殊下行子帧中传输的CSI-RS的配置信息。
终端接收第一导频配置信令和第二导频配置信令。
终端根据第一导频配置信令中携带的CSI-RS的索引和端口查找表1，确定在常规下行子帧中传输的CSI-RS占用的资源单元。例如，CSI-RS的索引为0，端口为2，根据表1确定在常规下行子帧中传输的CSI-RS占用常规下行子帧的第9个子载波、第1个时隙第5、6个符号的资源单元。另外，终端还根据第一导频配置信令中携带的其他配置信息确定在常规下行子帧中传输的CSI-RS的传输周期和子帧偏移。
如果DwPTS的长度为11、12，终端根据第二导频配置信令中携带的CSI-RS的索引和端口查找表2，确定在DwPTS中传输的CSI-RS占用的资源单元。例如，CSI-RS的索引为0，端口为2，根据表2确定在DwPTS中传输的CSI-RS占用DwPTS的第9个子载波、第1个时隙第2、3个符号的资源单元。另外，终端还根据第二导频配置信令中携带的其他配置信息确定在DwPTS中传输的CSI-RS的传输周期和子帧偏移。
上述参照表1-3描述的至少一个实施例中，以端口数为2、4、8为例进行说明。应当指出的是，端口数更多时，同样适用。
另外，上述参照表1-3描述的至少一个实施例中，基站为终端配置了在常规下行子帧中传输的CSI-RS以及在DwPTS中传输的CSI-RS。但在实际应用过程中，可以仅为终端配置在DwPTS中传输的CSI-RS，其实现方式可以参照上述实施例的描述，此处不再赘述。
在至少一个实施例中，在常规下行子帧中传输的2端口CSI-RS的导频图 样如图3a所示，4端口CSI-RS的导频图样如图3b所示，8端口CSI-RS的导频图样如图3c所示。
以2端口CSI-RS为例，DwPTS长度为11、12个符号时，在DwPTS中传输的2端口CSI-RS的导频图样如图4所示，CSI-RS的索引与资源单元的对应关系如表4所示；DwPTS长度为9、10个符号时，在DwPTS中传输的2端口CSI-RS的导频图样如图5所示，CSI-RS的索引与资源单元的对应关系如表5所示。应当指出的是，对于4端口和8端口的CSI-RS，其索引与资源单元的对应关系可以参照上述表1、表2和表3。
表4
Figure PCTCN2016085742-appb-000004
表5
Figure PCTCN2016085742-appb-000005
基站为终端确定CSI-RS的配置信息，具体确定CSI-RS的索引、端口、传输周期和子帧偏移，并将确定的配置信息通过第三导频配置信令发送给该终端。
终端接收第三导频配置信令，根据CSI-RS的传输周期和子帧偏移确定CSI-RS在常规下行子帧和DwPTS中均传输，还是仅在常规下行子帧中传输，或者仅在DwPTS中传输。
如果确定CSI-RS在常规下行子帧和DwPTS中均传输，则根据CSI-RS索引和端口确定CSI-RS分别在常规下行子帧和DwPTS中对应的资源单元。如表4中CSI-RS端口数1和2为例，终端收到CSI-RS的索引为“0”，那么，对于DwPTS，该CSI-RS的RE位置(k′，l′)为(9，2)；对于常规下行子帧，CSI-RS索引为“0”对应的RE位置(k′，l′)为(9，5)。
如果确定CSI-RS仅在常规下行子帧中传输，其实现方式与相关技术中的方式相同，此处不再赘述。
如果确定CSI-RS仅在DwPTS中传输，则根据CSI-RS索引和端口确定CSI-RS在DwPTS中对应的资源单元。如表5中CSI-RS端口数1和2为例， 终端收到CSI-RS的索引为“0”，那么，对于DwPTS，该CSI-RS的RE位置(k′，l′)为(9，2)。
根据表4和表5可以看出，因为DwPTS长度短时能发现CSI-RS的数量也相应的少，所以只有一部分CSI-RS配置索引是有效的，如：CSI-RS端口数为1和2时有效配置索引为0、4、5、9、10、11、18、19。针对4端口CSI-RS有效CSI-RS配置索引为0、4、5、9；针对8端口CSI-RS有效CSI-RS配置索引为0、4。在本实施例中DwPTS中有效的CSI-RS索引相对于常规下行子帧少，基站给终端配置CSI-RS时会出现如下情形：
a)基站配置CSI-RS周期和子帧偏移下CSI-RS只落在常规下行子帧，在这种情况下终端的行为与早期版本的终端相同。
b)基站配置CSI-RS周期和子帧偏移下CSI-RS只落在DwPTS，在这种情况下如果出现CSI-RS索引为无效(比如：CSI-RS端口数为1和2时配置索引“1”)那么终端认为配置错误。
c)基站配置CSI-RS周期和子帧偏移下CSI-RS在常规下行子帧和DwPTS中都出现，在这种情况下如果出现在DwPTS中CSI-RS配置索引为无效(比如：CSI-RS端口数为1和2时配置索引“1”)，那么终端可以认为这个配置是完全错误的或者终端可以认为在常规子帧中出现的CSI-RS是有效的。
基于与方法同样的发明构思，本公开实施例提供一种导频的配置装置，如图6所示，包括：
导频配置确定模块601，用于为终端确定在特殊下行子帧中传输的导频的配置信息；
配置信息发送模块602，用于向所述终端发送所述配置信息。
本公开实施例提供的技术方案，实现了在特殊下行子帧中传输导频的配置，进而能够在特殊下行子帧中传输下行导频，使得导频配置能够满足更多需求。
可选地，所述导频的配置信息包括：
所述导频的索引，全部或部分导频的索引中的每个导频的索引分别对应一组用于在特殊下行子帧中传输导频的资源单元，每个导频的索引对应的资源单元各不相同。
基于上述任意装置实施例，可选地，一方面，所述配置信息发送模块用于：
向所述终端发送不同于第一导频配置信令的第二导频配置信令，所述第一导频配置信令中携带在常规下行子帧中传输的导频的配置信息，所述第二导频配置信令中携带所述在特殊下行子帧中传输的导频的配置信息。
可选地，所述第二导频配置信令中还携带用于指示所述在特殊下行子帧中传输的导频的配置信息对应的导频在特殊下行子帧中传输的指示信息；
所述第一导频配置信令中还携带用于指示所述在常规下行子帧中传输的导频的配置信息对应的导频在常规下行子帧中传输的指示信息。
可选地，另一方面，所述导频配置确定模块用于：
为终端确定导频的第一配置信息，所述第一配置信息指示在常规下行子帧和特殊下行子帧中均传输所述导频；或者，
为终端确定导频的第二配置信息，所述第二配置信息指示在特殊下行子帧中传输所述导频、不在常规下行子帧中传输所述导频。
可选地，所述配置信息发送模块用于：
向所述终端发送第三导频配置信令，所述第三导频配置信令中携带为终端确定的配置信息，为终端确定的配置信息包括第一配置信息或第二配置信息。
基于与方法同样的发明构思，本公开实施例提供一种基站，如图7所示，包括：
处理器700，用于从存储器720中读取程序，执行下列过程：
为终端确定在特殊下行子帧中传输的导频的配置信息；
通过收发机710向所述终端发送所述配置信息；
收发机710，用于在处理器700的控制下接收和发送数据；
存储器720，用于保存处理器700执行操作时所使用的数据。
其中，在图7中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器700代表的一个或多个处理器和存储器720代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再 对其进行进一步描述。总线接口提供接口。收发机710可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。处理器700负责管理总线架构和通常的处理，存储器720可以存储处理器700在执行操作时所使用的数据。
本公开实施例提供的技术方案，实现了在特殊下行子帧中传输导频的配置，进而能够在特殊下行子帧中传输下行导频，使得导频配置能够满足更多需求。
可选地，所述导频的配置信息包括：
所述导频的索引，全部或部分导频的索引中的每个导频的索引分别对应一组用于在特殊下行子帧中传输导频的资源单元，每个导频的索引对应的资源单元各不相同。
基于上述任意基站实施例，可选地，一方面，处理器具体用于从存储器中读取程序，执行下列过程：
向所述终端发送不同于第一导频配置信令的第二导频配置信令，所述第一导频配置信令中携带在常规下行子帧中传输的导频的配置信息，所述第二导频配置信令中携带所述在特殊下行子帧中传输的导频的配置信息。
可选地，所述第二导频配置信令中还携带用于指示所述在特殊下行子帧中传输的导频的配置信息对应的导频在特殊下行子帧中传输的指示信息；
所述第一导频配置信令中还携带用于指示所述在常规下行子帧中传输的导频的配置信息对应的导频在常规下行子帧中传输的指示信息。
可选地，另一方面，处理器具体用于从存储器中读取程序，执行下列过程：
为终端确定导频的第一配置信息，所述第一配置信息指示在常规下行子帧和特殊下行子帧中均传输所述导频；或者，
为终端确定导频的第二配置信息，所述第二配置信息指示在特殊下行子帧中传输所述导频、不在常规下行子帧中传输所述导频。
可选地，处理器具体用于从存储器中读取程序，执行下列过程：
向所述终端发送第三导频配置信令，所述第三导频配置信令中携带为终端确定的配置信息，为终端确定的配置信息包括第一配置信息或第二配置信 息。
基于与方法同样的发明构思，本公开实施例还提供一种导频的配置装置，如图8所示，包括：
配置信息接收模块801，用于接收导频的配置信息；
导频配置确定模块802，用于根据所述配置信息确定在特殊下行子帧中传输的导频的配置。
本公开实施例提供的技术方案，实现了在特殊下行子帧中传输导频的配置，进而能够在特殊下行子帧中传输下行导频，使得导频配置能够满足更多需求。
可选地，所述导频的配置信息包括：
所述导频的索引，全部或部分导频的索引中的每个导频的索引分别对应一组用于在特殊下行子帧中传输导频的资源单元，每个导频的索引对应的资源单元各不相同。
基于上述任意装置实施例，一方面，可选地，所述配置信息接收模块用于：
接收不同于第一导频配置信令的第二导频配置信令，所述第一导频配置信令中携带在常规下行子帧中传输的导频的配置信息，所述第二导频配置信令中携带所述在特殊下行子帧中传输的导频的配置信息。
可选地，所述配置信息接收模块用于：
接收导频配置信令；
根据接收到的导频配置信令中携带的指示信息确定所述导频配置信令为不同于第一导频配置信令的第二导频配置信令；其中，所述第二导频配置信令中还携带用于指示所述在特殊下行子帧中传输的导频的配置信息对应的导频在特殊下行子帧中传输的指示信息；所述第一导频配置信息中还携带用于指示所述在常规下行子帧中传输的导频的配置信息对应的导频在常规下行子帧中传输的指示信息。
另一方面，可选地，所述配置信息接收模块用于：
接收第三导频配置信令，所述第三导频配置信令中携带为本终端确定的导频的配置信息，为本终端确定的导频的配置信息包括第一配置信息或第二 配置信息，所述第一配置信息指示在常规下行子帧和特殊下行子帧中均传输所述导频，所述第二配置信息指示在特殊下行子帧中传输所述导频、不在常规下行子帧中传输所述导频。
可选地，所述导频配置确定模块用于：
如果是第一配置信息，查找所述第一配置信息中携带的导频的索引对应的用于在特殊下行子帧中传输导频的资源单元；如果没有查找到，确定所述第一配置信息无效，或者，如果没有查找到，确定在常规下行子帧中传输的导频的配置有效、在特殊下行子帧中传输的导频的配置无效；
如果是第二配置信息，查找所述第二配置信息中携带的导频的索引对应的用于在特殊下行子帧中传输导频的资源单元；如果没有查找到，确定所述第二配置信息无效。
基于与方法同样的发明构思，本公开实施例还提供一种终端，如图9所示，包括：
处理器900，用于从存储器920中读取程序，执行下列过程：
通过收发机910接收导频的配置信息；
根据所述配置信息确定在特殊下行子帧中传输的导频的配置；
收发机910，用于根据处理器900的控制接收和发送数据；
存储器920，用于保存处理器900执行操作过程中所使用的数据。
其中，在图9中，总线架构可以包括任意数量的互联的总线和桥，具体由处理器900代表的一个或多个处理器和存储器920代表的存储器的各种电路链接在一起。总线架构还可以将诸如外围设备、稳压器和功率管理电路之类的各种其他电路链接在一起，这些都是本领域所公知的，因此，本文不再对其进行进一步描述。总线接口提供接口。收发机910可以是多个元件，即包括发送机和接收机，提供用于在传输介质上与各种其他装置通信的单元。针对不同的用户设备，用户接口930还可以是能够外接内接需要设备的接口，连接的设备包括但不限于小键盘、显示器、扬声器、麦克风、操纵杆等。
处理器900负责管理总线架构和通常的处理，存储器920可以存储处理器900在执行操作时所使用的数据。
本公开实施例提供的技术方案，实现了在特殊下行子帧中传输导频的配 置，进而能够在特殊下行子帧中传输下行导频，使得导频配置能够满足更多需求。
可选地，所述导频的配置信息包括：
所述导频的索引，全部或部分导频的索引中的每个导频的索引分别对应一组用于在特殊下行子帧中传输导频的资源单元，每个导频的索引对应的资源单元各不相同。
基于上述任意终端实施例，一方面，可选地，处理器具体用于从存储器中读取程序，执行下列过程：
接收不同于第一导频配置信令的第二导频配置信令，所述第一导频配置信令中携带在常规下行子帧中传输的导频的配置信息，所述第二导频配置信令中携带所述在特殊下行子帧中传输的导频的配置信息。
可选地，处理器具体用于从存储器中读取程序，执行下列过程：
接收导频配置信令；
根据接收到的导频配置信令中携带的指示信息确定所述导频配置信令为不同于第一导频配置信令的第二导频配置信令；其中，所述第二导频配置信令中还携带用于指示所述在特殊下行子帧中传输的导频的配置信息对应的导频在特殊下行子帧中传输的指示信息；所述第一导频配置信息中还携带用于指示所述在常规下行子帧中传输的导频的配置信息对应的导频在常规下行子帧中传输的指示信息。
另一方面，可选地，处理器具体用于从存储器中读取程序，执行下列过程：
接收第三导频配置信令，所述第三导频配置信令中携带为本终端确定的导频的配置信息，为本终端确定的导频的配置信息包括第一配置信息或第二配置信息，所述第一配置信息指示在常规下行子帧和特殊下行子帧中均传输所述导频，所述第二配置信息指示在特殊下行子帧中传输所述导频、不在常规下行子帧中传输所述导频。
可选地，处理器具体用于从存储器中读取程序，执行下列过程：
如果是第一配置信息，查找所述第一配置信息中携带的导频的索引对应的用于在特殊下行子帧中传输导频的资源单元；如果没有查找到，确定所述 第一配置信息无效，或者，如果没有查找到，确定在常规下行子帧中传输的导频的配置有效、在特殊下行子帧中传输的导频的配置无效；
如果是第二配置信息，查找所述第二配置信息中携带的导频的索引对应的用于在特殊下行子帧中传输导频的资源单元；如果没有查找到，确定所述第二配置信息无效。
本领域内的技术人员应明白，本公开的实施例可提供为方法、系统、或计算机程序产品。因此，本公开可采用完全硬件实施例、完全软件实施例、或结合软件和硬件方面的实施例的形式。而且，本公开可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本公开是参照根据本公开实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
尽管已描述了本公开的可选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括可选实施例以及落入本公开范围的所有变更和修改。
显然，本领域的技术人员可以对本公开进行各种改动和变型而不脱离本公开的精神和范围。这样，倘若本公开的这些修改和变型属于本公开权利要求及其等同技术的范围之内，则本公开也意图包含这些改动和变型在内。

Claims (30)

  1. 一种导频的配置方法，包括：
    为终端确定在特殊下行子帧中传输的导频的配置信息；以及
    向所述终端发送所述配置信息。
  2. 根据权利要求1所述的方法，其中，所述导频的配置信息包括：
    所述导频的索引，全部或部分导频的索引中的每个导频的索引分别对应一组用于在特殊下行子帧中传输导频的资源单元，每个导频的索引对应的资源单元各不相同。
  3. 根据权利要求1或2所述的方法，其中，所述向所述终端发送所述配置信息，包括：
    向所述终端发送不同于第一导频配置信令的第二导频配置信令，所述第一导频配置信令中携带在常规下行子帧中传输的导频的配置信息，所述第二导频配置信令中携带所述在特殊下行子帧中传输的导频的配置信息。
  4. 根据权利要求3所述的方法，其中，
    所述第二导频配置信令中还携带用于指示所述在特殊下行子帧中传输的导频的配置信息对应的导频在特殊下行子帧中传输的指示信息；以及
    所述第一导频配置信令中还携带用于指示所述在常规下行子帧中传输的导频的配置信息对应的导频在常规下行子帧中传输的指示信息。
  5. 根据权利要求1或2所述的方法，其中，所述为终端确定在特殊下行子帧中传输的导频的配置信息，包括：
    为终端确定导频的第一配置信息，所述第一配置信息指示在常规下行子帧和特殊下行子帧中均传输所述导频；或者，
    为终端确定导频的第二配置信息，所述第二配置信息指示在特殊下行子帧中传输所述导频、不在常规下行子帧中传输所述导频。
  6. 根据权利要求5所述的方法，其中，所述向所述终端发送所述配置信息，包括：
    向所述终端发送第三导频配置信令，所述第三导频配置信令中携带为终端确定的配置信息，所述为终端确定的配置信息包括第一配置信息或第二配 置信息。
  7. 一种导频的配置方法，包括：
    接收导频的配置信息；以及
    根据所述配置信息确定在特殊下行子帧中传输的导频的配置。
  8. 根据权利要求7所述的方法，其中，所述导频的配置信息包括：
    所述导频的索引，全部或部分导频的索引中的每个导频的索引分别对应一组用于在特殊下行子帧中传输导频的资源单元，每个导频的索引对应的资源单元各不相同。
  9. 根据权利要求7或8所述的方法，其中，所述接收导频的配置信息，包括：
    接收不同于第一导频配置信令的第二导频配置信令，所述第一导频配置信令中携带在常规下行子帧中传输的导频的配置信息，所述第二导频配置信令中携带所述在特殊下行子帧中传输的导频的配置信息。
  10. 根据权利要求9所述的方法，其中，所述接收不同于第一导频配置信令的第二导频配置信令，包括：
    接收导频配置信令；以及
    根据接收到的导频配置信令中携带的指示信息确定所述导频配置信令为不同于第一导频配置信令的第二导频配置信令；其中，所述第二导频配置信令中还携带用于指示所述在特殊下行子帧中传输的导频的配置信息对应的导频在特殊下行子帧中传输的指示信息；所述第一导频配置信息中还携带用于指示所述在常规下行子帧中传输的导频的配置信息对应的导频在常规下行子帧中传输的指示信息。
  11. 根据权利要求8所述的方法，其中，所述接收导频的配置信息，包括：
    接收第三导频配置信令，所述第三导频配置信令中携带为本终端确定的导频的配置信息，所述为本终端确定的导频的配置信息包括第一配置信息或第二配置信息，所述第一配置信息指示在常规下行子帧和特殊下行子帧中均传输所述导频，所述第二配置信息指示在特殊下行子帧中传输所述导频、不在常规下行子帧中传输所述导频。
  12. 根据权利要求11所述的方法，其中，所述根据所述配置信息确定在特殊下行子帧中传输的导频的配置，包括：
    如果是第一配置信息，查找所述第一配置信息中携带的导频的索引对应的用于在特殊下行子帧中传输导频的资源单元；如果没有查找到，确定所述第一配置信息无效，或者，如果没有查找到，确定在常规下行子帧中传输的导频的配置有效、在特殊下行子帧中传输的导频的配置无效；以及
    如果是第二配置信息，查找所述第二配置信息中携带的导频的索引对应的用于在特殊下行子帧中传输导频的资源单元；如果没有查找到，确定所述第二配置信息无效。
  13. 一种导频的配置装置，包括：
    导频配置确定模块，用于为终端确定在特殊下行子帧中传输的导频的配置信息；以及
    配置信息发送模块，用于向所述终端发送所述配置信息。
  14. 根据权利要求13所述的装置，其中，所述导频的配置信息包括：
    所述导频的索引，全部或部分导频的索引中的每个导频的索引分别对应一组用于在特殊下行子帧中传输导频的资源单元，每个导频的索引对应的资源单元各不相同。
  15. 根据权利要求13或14所述的装置，其中，所述配置信息发送模块用于：
    向所述终端发送不同于第一导频配置信令的第二导频配置信令，所述第一导频配置信令中携带在常规下行子帧中传输的导频的配置信息，所述第二导频配置信令中携带所述在特殊下行子帧中传输的导频的配置信息。
  16. 根据权利要求15所述的装置，其中，
    所述第二导频配置信令中还携带用于指示所述在特殊下行子帧中传输的导频的配置信息对应的导频在特殊下行子帧中传输的指示信息；以及
    所述第一导频配置信令中还携带用于指示所述在常规下行子帧中传输的导频的配置信息对应的导频在常规下行子帧中传输的指示信息。
  17. 根据权利要求13或14所述的装置，其中，所述导频配置确定模块用于：
    为终端确定导频的第一配置信息，所述第一配置信息指示在常规下行子帧和特殊下行子帧中均传输所述导频；或者，
    为终端确定导频的第二配置信息，所述第二配置信息指示在特殊下行子帧中传输所述导频、不在常规下行子帧中传输所述导频。
  18. 根据权利要求17所述的装置，其中，所述配置信息发送模块用于：
    向所述终端发送第三导频配置信令，所述第三导频配置信令中携带为终端确定的配置信息，所述为终端确定的配置信息包括第一配置信息或第二配置信息。
  19. 一种导频的配置装置，包括：
    配置信息接收模块，用于接收导频的配置信息；以及
    导频配置确定模块，用于根据所述配置信息确定在特殊下行子帧中传输的导频的配置。
  20. 根据权利要求19所述的装置，其中，所述导频的配置信息包括：
    所述导频的索引，全部或部分导频的索引中的每个导频的索引分别对应一组用于在特殊下行子帧中传输导频的资源单元，每个导频的索引对应的资源单元各不相同。
  21. 根据权利要求19或20所述的装置，其中，所述配置信息接收模块用于：
    接收不同于第一导频配置信令的第二导频配置信令，所述第一导频配置信令中携带在常规下行子帧中传输的导频的配置信息，所述第二导频配置信令中携带所述在特殊下行子帧中传输的导频的配置信息。
  22. 根据权利要求21所述的装置，其中，所述配置信息接收模块用于：
    接收导频配置信令；以及
    根据接收到的导频配置信令中携带的指示信息确定所述导频配置信令为不同于第一导频配置信令的第二导频配置信令；其中，所述第二导频配置信令中还携带用于指示所述在特殊下行子帧中传输的导频的配置信息对应的导频在特殊下行子帧中传输的指示信息；所述第一导频配置信息中还携带用于指示所述在常规下行子帧中传输的导频的配置信息对应的导频在常规下行子帧中传输的指示信息。
  23. 根据权利要求21所述的装置，其中，所述配置信息接收模块用于：
    接收第三导频配置信令，所述第三导频配置信令中携带为本终端确定的导频的配置信息，所述为本终端确定的导频的配置信息包括第一配置信息或第二配置信息，所述第一配置信息指示在常规下行子帧和特殊下行子帧中均传输所述导频，所述第二配置信息指示在特殊下行子帧中传输所述导频、不在常规下行子帧中传输所述导频。
  24. 根据权利要求23所述的装置，其中，所述导频配置确定模块用于：
    如果是第一配置信息，查找所述第一配置信息中携带的导频的索引对应的用于在特殊下行子帧中传输导频的资源单元；如果没有查找到，确定所述第一配置信息无效，或者，如果没有查找到，确定在常规下行子帧中传输的导频的配置有效、在特殊下行子帧中传输的导频的配置无效；以及
    如果是第二配置信息，查找所述第二配置信息中携带的导频的索引对应的用于在特殊下行子帧中传输导频的资源单元；如果没有查找到，确定所述第二配置信息无效。
  25. 一种导频的配置装置，包括：处理器、存储器和收发机，其中：
    处理器，用于读取存储器中的程序，执行下列过程：
    为终端确定在特殊下行子帧中传输的导频的配置信息；以及
    向所述终端发送所述配置信息，
    收发机用于接收和发送数据，
    处理器负责管理总线架构和通常的处理，存储器能够存储处理器在执行操作时所使用的数据。
  26. 一种导频的配置装置，包括：处理器、存储器和收发机，其中：
    处理器，用于读取存储器中的程序，执行下列过程：
    接收导频的配置信息；以及
    根据所述配置信息确定在特殊下行子帧中传输的导频的配置，
    收发机用于接收和发送数据，
    处理器负责管理总线架构和通常的处理，存储器能够存储处理器在执行操作时所使用的数据。
  27. 一种基站，包括：处理器、存储器和收发机，其中：
    处理器，用于读取存储器中的程序，执行下列过程：
    为终端确定在特殊下行子帧中传输的导频的配置信息；
    通过收发机向所述终端发送所述配置信息，
    收发机用于接收和发送数据，
    处理器负责管理总线架构和通常的处理，存储器能够存储处理器在执行操作时所使用的数据。
  28. 一种基站，包括：
    确定模块，为终端确定在特殊下行子帧中传输的导频的配置信息；
    发送模块，向所述终端发送所述配置信息。
  29. 一种终端，包括：处理器、存储器和收发机，其中：
    处理器，用于读取存储器中的程序，执行下列过程：
    通过收发机接收导频的配置信息；
    根据所述配置信息确定在特殊下行子帧中传输的导频的配置，
    收发机用于接收和发送数据，
    处理器负责管理总线架构和通常的处理，存储器能够存储处理器在执行操作时所使用的数据。
  30. 一种终端，包括：
    接收模块，用于接收导频的配置信息；
    确定模块，用于根据所述配置信息确定在特殊下行子帧中传输的导频的配置。
PCT/CN2016/085742 2015-09-29 2016-06-14 导频的配置方法及装置 WO2017054514A1 (zh)

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