WO2018126855A1 - 一种下行测量参考信号的资源配置方法及装置 - Google Patents
一种下行测量参考信号的资源配置方法及装置 Download PDFInfo
- Publication number
- WO2018126855A1 WO2018126855A1 PCT/CN2017/115706 CN2017115706W WO2018126855A1 WO 2018126855 A1 WO2018126855 A1 WO 2018126855A1 CN 2017115706 W CN2017115706 W CN 2017115706W WO 2018126855 A1 WO2018126855 A1 WO 2018126855A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resource pool
- configuration information
- resource
- basic
- base station
- Prior art date
Links
Images
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
- H04L5/0037—Inter-user or inter-terminal allocation
-
- 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
- H04L5/0037—Inter-user or inter-terminal allocation
- H04L5/0039—Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
-
- 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
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
-
- 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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
-
- 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
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
-
- 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
- H04L5/0042—Arrangements for allocating sub-channels of the transmission path intra-user or intra-terminal allocation
Definitions
- the present application relates to the field of communications technologies, and in particular, to a resource configuration method and apparatus for downlink measurement reference signals.
- MIMO Multiple-Input Multiple-Output
- LTE Long Term Evolution
- BF spatial multiplexing
- antenna ports such as 8, 16, 32.
- Antenna ports
- the downlink pilot signal (or referred to as a downlink reference signal) includes a downlink measurement reference signal (such as a Channel State Information-Reference Signal (CSI-RS)) measurement pilot.
- CSI-RS Channel State Information-Reference Signal
- the transmission process of the traditional CSI-RS is as follows: the base station sends the CSI-RS resource configuration information to the terminal device, and the terminal device determines, according to the CSI-RS resource configuration information, the resources that can be used when the base station sends the CSI-RS. (ie, CRI-RS resource), and detecting, on the CSI-RS resource, the base station transmitting the CSI-RS.
- the terminal device may perform channel information (such as channel quality indicator (CQI), precoding matrix indicator (PMI), etc.) measurement according to the received CSI-RS.
- CQI channel quality indicator
- PMI precoding matrix indicator
- the CSI-RS resource configuration information (that is, the bitmap) sent by the base station usually needs 168 bits, and it is obvious that the base station transmits the CSI-RS resource configuration information with a large overhead.
- the present invention provides a resource configuration method and device for downlink measurement reference signals, which are used to solve the problem that the resource configuration information of the downlink measurement reference signal transmitted by the base station in the prior art is large.
- the embodiment of the present application provides a resource configuration method for a downlink measurement reference signal, where the method includes:
- the base station determines the configuration information of the resource pool for the preset basic pattern or the available resources, and sends the determined configuration information of the resource pool to the terminal device.
- the resource pool includes at least one resource capable of transmitting a downlink measurement reference signal, where the basic pattern includes at least one basic unit, where the basic unit is two adjacent in the time domain direction or the frequency domain direction. Resource unit.
- the base station sends configuration information of the resource pool determined for the preset basic pattern or available resources.
- the terminal device is configured to enable the terminal device to determine the resource pool according to the basic preset or the available resource preset by the local device, and the configuration information, where the resource pool includes at least one capable of transmitting Downstream measures the resources of the reference signal.
- the base station can notify the terminal device of the resource pool by using configuration information of the resource pool for the basic pattern or the available resource, and implement resource configuration of a downlink measurement reference signal without using a conventional bitmap. Notifying the terminal device of the resource configuration of the downlink measurement reference signal, thereby reducing the resource configuration information overhead for the downlink measurement reference signal.
- the base pattern or the available resources are specified or agreed by the base station and the terminal device.
- the base station After the base station sends the configuration information determined for the basic pattern or available resources to the terminal device, the terminal device according to the basic pattern or the available resources and the configuration information.
- the determined resource pool is consistent with the resource pool determined by the base station.
- the base station and the terminal device may pre-arrange a plurality of basic patterns, and before determining the configuration information, the base station selects a basic pattern among the plurality of basic patterns, and selects The identification information of the basic pattern is sent to the terminal device.
- the basic pattern used in the current resource configuration is determined.
- the base station determines configuration information of the resource pool in the following two manners:
- the first mode the base station receives configuration information input by the user or obtains the specified resource pool;
- the second mode the base station acquires configuration information of the resource pool saved for the basic pattern.
- the base station may determine to flexibly determine configuration information of the resource pool.
- the base station determines the resource pool according to the basic pattern and the configuration information.
- the base station may determine the resource pool, so that the base station may select a target resource in the resource pool to send a downlink measurement reference signal.
- the configuration information includes a target multiple and an offset value, wherein the target multiple is an integer not equal to 0, and the offset value is an integer not equal to 0.
- the configuration information of the resource pool since the configuration information of the resource pool includes several items of information such as the target multiple and the offset value, the configuration information of the resource pool requires a small amount of data, which is generally required by 168 bits in the prior art.
- the bitmap the amount of data of the configuration information of the resource pool is greatly reduced.
- the resource allocation information overhead of the downlink measurement reference signal can be greatly reduced by using the above method.
- the base station may determine, according to the basic pattern and the configuration information, the resource pool by using the following steps:
- the base station expands the target multiple in the time domain direction or the frequency domain direction based on the resources in the basic pattern to obtain a basic resource pool; and then, according to the offset value, in the time domain direction and/or the frequency domain
- the basic resource pool is offset in the direction to obtain the resource pool.
- the base station may perform an extension process and an offset process on the basic pattern according to the configuration information, thereby obtaining the resource pool.
- the configuration information includes a first target multiple, a second target multiple, and an offset value, wherein the first target multiple and the second target multiple are integers that are not equal to 0,
- the offset value is an integer not equal to 0.
- the configuration information of the resource pool since the configuration information of the resource pool includes several items of information such as the target multiple and the offset value, the configuration information of the resource pool requires a small amount of data, which is generally required by 168 bits in the prior art.
- the bitmap the amount of data of the configuration information of the resource pool is greatly reduced.
- the resource allocation information overhead of the downlink measurement reference signal can be greatly reduced by using the above method.
- the base station may determine, according to the basic pattern and the configuration information, the resource pool by using the following steps:
- the base station based on the resources in the basic pattern, expands the first target multiple in a first direction to obtain a first basic resource pool; and continues to be based on the first basic resource pool, in the second Expanding the second target multiple in the direction to obtain the second basic resource pool; finally, offsetting the second basic resource pool in the time domain direction and/or the frequency domain direction according to the offset value, to obtain the a resource pool; wherein the first direction is a time domain direction or a frequency domain direction, and the second direction is another direction of the time domain direction and the frequency domain direction except the first direction.
- the base station may perform an extension process and an offset process on the basic pattern according to the configuration information, thereby obtaining the resource pool.
- the positive or negative of the target multiple, the first target multiple, or the second target multiple in the configuration information in the above design may indicate the extended direction and/or the positional relationship before and after the expansion.
- the positive or negative of the offset value may indicate the positional relationship before and after the offset direction and/or the offset.
- the base station may perform the extension processing and the offset processing on the basic pattern according to the indicated direction according to the foregoing expansion multiple and the offset value in the configuration information, to accurately obtain the resource pool.
- the available resources include all resources in the subframe that can transmit downlink measurement reference signals; the configuration information of the resource pool is used to indicate the location of the resource pool in the available resources.
- the configuration information of the resource pool is used to indicate the location of the resource pool in the available resources, and the number M of resources in the available resources is less than the number of resources included in the entire subframe. Therefore, the amount of data used by the configuration information of the resource pool is generally Mbits, so the configuration information of the resource pool requires a small amount of data, and a bitmap of 168 bits is usually required in the prior art. The amount of data of the configuration information is greatly reduced. Obviously, the resource allocation information overhead of the downlink measurement reference signal can be greatly reduced by using the above method.
- the base station determines configuration information of the resource pool for the available resources by using the following steps:
- the base station determines the resource pool in the available resources, and then determines configuration information of the resource pool according to the location of the resource pool in the available resources.
- the base station can determine configuration information for the available resources.
- the configuration information of the resource pool is a bitmap bitmap.
- the terminal device may determine the resource pool among the agreed available resources according to the configuration information of the resource pool.
- the embodiment of the present application further provides a resource configuration method for a downlink measurement reference signal, where the method includes:
- the terminal device After receiving the configuration information of the resource pool sent by the base station, the terminal device determines the resource pool according to the preset basic pattern or available resources and the configuration information.
- the resource pool includes at least one resource capable of transmitting a downlink measurement reference signal;
- the basic pattern includes at least one basic unit, and the basic unit is two adjacent in a time domain direction or a frequency domain direction. Resource unit.
- the terminal device determines, according to the base station, a preset basic pattern or available resources.
- the resource pool may be determined according to the preset basic pattern or the available resources, and the configuration information, where the resource pool includes at least one downlink measurement reference that can be transmitted.
- Signal resource The base station can notify the terminal device of the resource pool by using configuration information of the resource pool for the basic pattern or the available resource, and implement resource configuration of a downlink measurement reference signal without using a conventional bitmap. Notifying the terminal device of the resource configuration of the downlink measurement reference signal, thereby reducing the resource configuration information overhead for the downlink measurement reference signal.
- the base pattern or the available resources are specified or agreed by the base station and the terminal device.
- the resource pool determined by the terminal device according to the basic pattern or the available resources and the configuration information is consistent with the resource pool determined by the base station.
- the configuration information includes a target multiple and an offset value, wherein the target multiple is an integer not equal to 0, and the offset value is an integer not equal to 0.
- the configuration information of the resource pool since the configuration information of the resource pool includes several items of information such as the target multiple and the offset value, the configuration information of the resource pool requires a small amount of data, which is generally required by 168 bits in the prior art.
- the bitmap the amount of data of the configuration information of the resource pool is greatly reduced.
- the resource allocation information overhead of the downlink measurement reference signal can be greatly reduced by using the above method.
- the terminal device may determine, according to the basic pattern and the configuration information, the resource pool by using the following steps:
- the terminal device expands the target multiple in the time domain direction or the frequency domain direction based on the resources in the basic pattern to obtain a basic resource pool; and then according to the offset value, in the time domain direction and/or frequency
- the basic resource pool is offset in the domain direction to obtain the resource pool.
- the terminal device may perform an extension process and an offset process on the basic pattern according to the configuration information, thereby obtaining the resource pool.
- the configuration information includes a first target multiple, a second target multiple, and an offset value, wherein the first target multiple and the second target multiple are integers that are not equal to 0,
- the offset value is an integer not equal to 0.
- the configuration information of the resource pool since the configuration information of the resource pool includes several items of information such as the target multiple and the offset value, the configuration information of the resource pool requires a small amount of data, which is generally required by 168 bits in the prior art.
- the bitmap the amount of data of the configuration information of the resource pool is greatly reduced.
- the resource allocation information overhead of the downlink measurement reference signal can be greatly reduced by using the above method.
- the terminal device may determine, according to the basic pattern and the configuration information, the resource pool by using the following steps:
- the terminal device expands the first target multiple in the first direction based on the resources in the basic pattern to obtain a first basic resource pool; and continues to use the first basic resource pool as a basis, Expanding the second target multiple in the second direction to obtain the second basic resource pool; finally, offsetting the second basic resource pool in the time domain direction and/or the frequency domain direction according to the offset value, and obtaining the The resource pool; wherein the first direction is a time domain direction or a frequency domain direction, and the second direction is another direction of the time domain direction and the frequency domain direction except the first direction.
- the terminal device may perform an extension process and an offset process on the basic pattern according to the configuration information, thereby obtaining the resource pool.
- the target multiple, the first target in the configuration information in the above design may indicate the expansion direction and/or the positional relationship before and after the expansion; for the same reason, the positive or negative of the offset value may indicate the positional relationship before and after the offset direction and/or the offset.
- the terminal device may perform the extension processing and the offset processing on the basic pattern according to the indicated expansion direction and the positive and negative of the offset value in the configuration information, and accurately obtain the The resource pool.
- the available resources include all resources in the subframe that can transmit downlink measurement reference signals; the configuration information of the resource pool is used to indicate the location of the resource pool in the available resources.
- the configuration information of the resource pool is used to indicate the location of the resource pool in the available resources, and the number M of resources in the available resources is less than the number of resources included in the entire subframe. Therefore, the amount of data used by the configuration information of the resource pool is generally Mbits, so the configuration information of the resource pool requires a small amount of data, and a bitmap of 168 bits is usually required in the prior art. The amount of data of the configuration information is greatly reduced. Obviously, the resource allocation information overhead of the downlink measurement reference signal can be greatly reduced by using the above method.
- the configuration information of the resource pool is a bitmap bitmap.
- the terminal device may determine the resource pool among the agreed available resources according to the configuration information of the resource pool.
- the terminal device stores a correspondence between the basic pattern and the configuration information of the resource pool and the resource pool, and the terminal device can directly determine the basic agreement with the base station according to the corresponding relationship.
- the terminal device may determine the resource pool according to the preset basic pattern and the configuration information.
- the embodiment of the present application further provides a base station, where the base station has a function of implementing a behavior of a base station in the foregoing method instance.
- the functions may be implemented by hardware or by corresponding software implemented by hardware.
- the hardware or software includes one or more modules corresponding to the functions described above.
- the structure of the base station includes a processing unit and a sending unit, and the units may perform corresponding functions in the foregoing method examples.
- the units may perform corresponding functions in the foregoing method examples.
- the structure of the base station includes a transceiver, a processor, a bus, and a memory, where the transceiver is used for communication interaction of the terminal device, and the processor is configured to support the base station to perform corresponding in the foregoing method.
- the memory is coupled to the processor, which stores program instructions and data necessary for the base station.
- the embodiment of the present invention further provides a terminal device, where the terminal device has a function of implementing behavior of the terminal device in the foregoing method instance.
- the functions may be implemented by hardware or by corresponding software implemented by hardware.
- the hardware or software includes one or more modules corresponding to the functions described above.
- the structure of the terminal device includes a receiving unit and a processing unit, and the units can perform corresponding functions in the foregoing method examples.
- the units can perform corresponding functions in the foregoing method examples.
- the detailed description in the method example which is not described herein.
- the structure of the terminal device includes a transceiver, a processor, a bus, and a memory
- the transceiver is configured to perform communication interaction with a base station
- the processor is configured to support the terminal device to perform the foregoing method.
- the memory is coupled to the processor, which stores program instructions and data necessary for the terminal device.
- the embodiment of the present application further provides a communication system, where the communication system includes a base station and a terminal device.
- the embodiment of the present application further provides a first non-transitory computer storage medium, where computer executable instructions are used, where the computer executable instructions are used to perform resource configuration of a downlink measurement reference signal of the base station of the present application. method.
- the embodiment of the present application further provides a second non-transitory computer storage medium, where the computer executable instructions are used to execute the resource of the downlink measurement reference signal of the terminal device of the present application. Configuration method.
- the embodiment of the present application further provides a first computer program product, where the computer program product includes a computer program stored on the first non-transitory computer storage medium, where the computer program includes program instructions.
- the program instructions are executed by a computer, the computer is caused to perform the resource configuration method of the downlink measurement reference signal of the present application.
- the embodiment of the present application further provides a second computer program product, where the computer program product includes a computer program stored on the second non-transitory computer storage medium, where the computer program includes program instructions.
- the program instructions are executed by a computer, the computer is caused to perform the resource configuration method of the downlink measurement reference signal of the present application.
- the base station sends the configuration information of the resource pool determined by the preset basic pattern or the available resource to the terminal device, so that the terminal device can use the basic pattern or the available resource preset locally. And determining, by the configuration information, the resource pool, where the resource pool includes at least one resource capable of transmitting a downlink measurement reference signal.
- the base station can notify the terminal device of the resource pool by using configuration information of the resource pool for the basic pattern or the available resource, and implement resource configuration of a downlink measurement reference signal without using a conventional bitmap. Notifying the terminal device of the resource configuration of the downlink measurement reference signal, thereby reducing the resource configuration information overhead for the downlink measurement reference signal.
- FIG. 1 is a diagram showing an example of a first basic pattern provided by an embodiment of the present application.
- FIG. 2 is a diagram showing an example of a second basic pattern provided by an embodiment of the present application.
- FIG. 3 is a schematic diagram of a third basic pattern provided by an embodiment of the present application.
- FIG. 4 is a diagram showing an example of a fourth basic pattern provided by an embodiment of the present application.
- FIG. 5 is a schematic diagram of an available resource according to an embodiment of the present application.
- FIG. 6 is a structural diagram of a communication system according to an embodiment of the present application.
- FIG. 7 is a flowchart of a resource configuration method for a downlink measurement reference signal according to an embodiment of the present disclosure
- FIG. 8 is a schematic diagram of an extension of a basic pattern according to an embodiment of the present application.
- FIG. 9 is a diagram showing an example of determining a resource pool according to an embodiment of the present application.
- FIG. 10 is a schematic diagram of a second method for determining a resource pool according to an embodiment of the present application.
- FIG. 11 is a diagram showing an example of determining a third resource pool according to an embodiment of the present application.
- FIG. 12 is a schematic diagram of a fourth method for determining a resource pool according to an embodiment of the present application.
- FIG. 13 is a schematic diagram of a fifth method for determining a resource pool according to an embodiment of the present application.
- FIG. 14 is a structural diagram of a base station according to an embodiment of the present application.
- FIG. 15 is a structural diagram of a terminal device according to an embodiment of the present disclosure.
- FIG. 16 is a structural diagram of another base station according to an embodiment of the present application.
- FIG. 17 is a structural diagram of another terminal device according to an embodiment of the present application.
- the embodiment of the present invention provides a resource configuration method and device for downlink measurement reference signals, which are used to solve the problem that the resource configuration information of the downlink measurement reference signal transmitted by the base station in the prior art is large.
- the method and the device of the present application are based on the same inventive concept. Since the principles of the method and the device for solving the problem are similar, the implementation of the device and the method can be referred to each other, and the repeated description is not repeated.
- the base station sends the configuration information of the resource pool determined by the preset basic pattern or the available resource to the terminal device, so that the terminal device can use the basic pattern or the available resource preset locally. And determining, by the configuration information, the resource pool, where the resource pool includes at least one resource capable of transmitting a downlink measurement reference signal.
- the base station can notify the terminal device of the resource pool by using configuration information of the resource pool for the basic pattern or the available resource, and implement resource configuration of a downlink measurement reference signal without using a conventional bitmap. Notifying the terminal device of the resource configuration of the downlink measurement reference signal, thereby reducing the resource configuration information overhead for the downlink measurement reference signal.
- the base station involved in the embodiment of the present application is a device for accessing a terminal device to a wireless network, including but not limited to: an evolved Node B (eNB), a radio network controller (radio network controller, RNC). ), Node B (NB), Base Station Controller (BSC), Base Transceiver Station (BTS), Home Base Station (for example, Home evolved NodeB, or Home Node B, HNB), Baseband Unit (BBU), Access Point (AP), etc.
- eNB evolved Node B
- RNC radio network controller
- NB Node B
- BSC Base Station Controller
- BTS Base Transceiver Station
- HNB Base Station
- BBU Baseband Unit
- AP Access Point
- the terminal device which is also referred to as a User Equipment (UE)
- UE User Equipment
- MS mobile station
- the resource involved in this application is a resource in one subframe.
- one subframe includes 14 time domain locations (time symbols) and includes 12 frequency domain locations (subcarriers), and the minimum resource granularity (ie, resource unit) is RE.
- the subframe adopts the above division mode one resource is an RE.
- RE resource granularity
- the basic pattern involved in the present application includes at least one basic unit, wherein the basic unit is two resource units adjacent in the time domain direction or the frequency domain direction, that is, two REs.
- the basic pattern is used to determine a resource pool reference for the base station and/or the terminal device, that is, when the resource pool is determined, the resource in the basic pattern may be processed according to the configuration information of the resource pool. (eg, expansion and/or shifting, etc.) to get the resource pool.
- the basic pattern can be set according to different application scenarios or business requirements:
- the basic pattern may include only one set of basic units, as shown in FIG. 1;
- resources in the basic pattern are all in the same time domain position, as shown in FIG. 2;
- the resources in the basic pattern need to occupy multiple time domain locations and occupy one or two frequency domain locations, as shown in FIG. 3;
- the basic pattern similar to the Demodulation Reference Symbol (DMRS) basic pattern is as shown in FIG.
- the available resources involved in the present application are defined by the protocol, or resources agreed by the base station and the terminal device, that is, the base station and the terminal device can determine the location of the resources in the available resources.
- the available resources may include all resources in the subframe that can transmit downlink measurement reference signals. As shown in FIG. 5, the base station may select a resource pool of downlink measurement reference signals among the available resources.
- the downlink measurement reference signal involved in the present application is a downlink pilot signal that is sent by the base station to the terminal device, such as a CSI-RS.
- the terminal device performs measurement of various channel information (such as CQI, PMI, etc.) according to the downlink measurement reference signal.
- the resource configuration method of the downlink measurement reference signal provided by the embodiment of the present application is applicable to the communication system shown in FIG. 6, where the system includes the base station 101 and the terminal device 102.
- the base station is configured to determine, according to a preset basic pattern or an available resource, configuration information of the resource pool, and send the configuration information to the terminal device;
- the terminal device is configured to determine the resource pool according to the received configuration information of the resource pool, and the preset basic pattern or available resources.
- the base station may notify the resource pool of the terminal device by using configuration information of the resource pool of the basic pattern or the available resource, and implement resource configuration of a downlink measurement reference signal without going through a traditional
- the bitmap informs the terminal device of the resource configuration of the downlink measurement reference signal, and thus reduces the resource configuration information overhead for the downlink measurement reference signal.
- the base station may determine the resource pool according to the basic pattern and configuration information of the resource pool, or determine the resource pool among the available resources, and Selecting, by the resource pool, a target resource for transmitting a downlink measurement reference signal, and transmitting, by using the target resource, the downlink measurement reference signal;
- the terminal device may be monitored at a resource of the resource pool to receive the downlink measurement reference signal.
- the base station after determining the target resource, sends target resource configuration information to the terminal device, where the target resource configuration information is used to indicate a location of the target resource in the resource pool;
- the device determines the target resource in the resource pool according to the target resource configuration information; the terminal device performs monitoring at the target resource, thereby receiving the downlink measurement reference signal.
- the terminal device may perform channel information measurement according to the downlink measurement reference signal by using a traditional measurement technology.
- the terminal device Transmitting the target resource configuration information to the terminal device by using the base station, where the terminal device can accurately determine the target resource in the resource pool, and prevent the terminal device from monitoring all resources in the resource pool.
- the power consumption of the terminal device is reduced.
- since the target resource configuration information only needs to indicate that the target resource is in the resource The location in the source pool does not need to indicate the location of the target resource in the entire subframe, which greatly reduces the amount of data required by the target resource configuration information. Therefore, the foregoing method can reduce the target resource configuration of the downlink measurement reference signal. Information overhead.
- the flow of the resource configuration method of the downlink measurement reference signal provided by the embodiment of the present application is described below with reference to FIG. Wherein the method is applied to the communication system as shown in FIG. 6.
- the processing flow of the method includes:
- the base station determines configuration information of the resource pool for the preset basic pattern or available resources.
- the resource pool includes at least one resource capable of transmitting a downlink measurement reference signal, where the basic pattern includes at least one basic unit, where the basic unit is two adjacent in the time domain direction or the frequency domain direction.
- a resource unit; the available resources include all resources in the subframe that are capable of transmitting downlink measurement reference signals.
- the basic pattern or the available resources are agreed by the base station and the terminal device, or agreed by the protocol.
- a plurality of basic patterns that can be pre-agreed in the base station and the terminal device for example, four in FIG. 1 to FIG. 4, the base station and the terminal device further need to adopt the Which of the basic patterns is the basic pattern.
- the specific appointment process is that the base station selects a basic pattern in the plurality of basic patterns, and sends the identification information of the basic pattern to the terminal device.
- the base station may send the selected identifier information of the basic pattern when performing S702, or send the identifier information of the basic pattern before determining the configuration information of the resource pool.
- the determining, by the base station, the configuration information of the resource pool including:
- the base station acquires configuration information of the resource pool saved for the basic pattern.
- the configuration information of the resource pool includes information such as a multiple of the extended processing and an offset value, where the expansion multiple is an integer not equal to 0, and the offset value is not equal to 0. The integer.
- the base station and the terminal device may perform an extension process and an offset process on the resources in the basic pattern according to the expansion factor and the offset value, thereby obtaining the resource pool.
- the configuration information of the resource pool since the configuration information of the resource pool includes several items of information such as the target multiple and the offset value, the configuration information of the resource pool requires a small amount of data, which is generally required in the prior art. In the bitmap of 168 bits, the data amount of the configuration information of the resource pool is greatly reduced. Obviously, the resource allocation information overhead of the downlink measurement reference signal can be greatly reduced by using the above method.
- the determining, by the base station, the configuration information of the resource pool including:
- the base station determines configuration information of the resource pool according to the location of the resource pool in the available resources.
- the configuration information of the resource pool is used to indicate a location of the resource pool in the available resources.
- the terminal device may determine the resource pool among the agreed available resources according to the configuration information of the resource pool.
- the configuration information of the resource pool may be represented by a bitmap, where only the RE of the available resources is required to be a resource in the resource pool.
- the available resources are as shown in FIG. 5, and when the resource pool selected by the base station in the available resources is a resource labeled 17, 17, 20, and 21, configuration information of the resource pool ( The value of the bitmap is 00000000000000001101100000000000.
- the configuration information of the resource pool is used to indicate that the resource pool is in the available resource.
- the location, and the number of resources in the available resources is smaller than the number of resources 168 included in the entire subframe. Therefore, the amount of data used by the configuration information of the resource pool is generally Mbits, so the configuration information of the resource pool needs to be The amount of data is small.
- the data size of the configuration information of the resource pool is greatly reduced. Obviously, the resource allocation information overhead of the downlink measurement reference signal can be greatly reduced by using the foregoing method. .
- the base station sends configuration information of the resource pool to the terminal device.
- the base station may send the configuration information of the resource pool to the terminal device in physical layer signaling or high layer signaling.
- the terminal device determines the resource pool according to the preset basic pattern or the available resources, and the configuration information.
- the configuration information includes an expansion factor and an offset value, wherein the expansion factor is An integer not equal to 0, the offset value being an integer not equal to 0.
- the resource-based location includes both the time domain direction and the frequency domain direction. Therefore, the expansion factor and the offset value also have directionality. Based on this, the expansion factor can exist in the following two ways:
- the expansion factor is a target multiple of one of the first two directions, the first setting direction is set or agreed for the basic pattern;
- the second mode the expansion factor includes a first target multiple in the first direction and a second target multiple in the second direction, wherein the first direction is a time domain direction or a frequency domain direction, where the The two directions are the other direction except the first direction in the time domain direction and the frequency domain direction.
- the offset value can also exist in the following two ways:
- the first mode is an offset value of one of the two directions, and the second setting direction is set or agreed for the basic pattern;
- the second mode includes a first offset value in a third direction and a second offset value in a fourth direction, where the third direction is a time domain direction or a frequency domain direction.
- the fourth direction is the other direction except the first direction in the time domain direction and the frequency domain direction.
- the extended direction and offset direction for different types of basic pattern settings or conventions are as follows:
- the “horizontal” in the table is the time domain direction of the resource, and the “longitudinal direction” is the frequency domain direction of the resource.
- the base station and the terminal device not only agree on the extension direction and the offset direction, but also need to agree on the positional relationship before and after the extension and before and after the extension.
- the base station is expanded to the right by one time in the time domain direction based on the resources in the basic pattern, as shown in FIG.
- the base station may also be set to expand to the left in the time domain direction or to expand upward or downward in the frequency domain direction during the expansion process.
- the positional relationship before and after the offset in the offset processing is similar to the positional relationship before and after the expansion, and will not be described here.
- both the expansion factor and the offset value can take a positive integer and a negative integer.
- the base station and the terminal device need to agree on an extension direction and a positional relationship before and after the extension.
- the value of the expansion multiple can be a positive integer and a negative integer
- the base station and the terminal device may indicate the extended direction of the contract by using the positive and negative of the expansion multiple. Or the positional relationship before and after expansion.
- the base station and the terminal device need to agree on an offset direction and a positional relationship before and after the offset.
- the base station and the terminal device may indicate the agreed offset by using the positive and negative values of the offset value. Positional relationship before and after the direction and / or offset.
- the expansion factor in the configuration information is the first mode described above:
- Determining, by the terminal device, the resource pool according to the basic pattern and the configuration information including:
- the terminal device expands the target multiple in the time domain direction or the frequency domain direction (that is, the first setting direction) based on the resources in the basic pattern to obtain a basic resource pool;
- the terminal device is in the time domain direction and/or the frequency domain direction according to the offset value (when the offset value is in the first case, the offset direction is the second setting direction;
- the offset value is the offset in the second case, the offset direction is two directions, and the base resource pool is offset to obtain the resource pool.
- the target multiple of the configuration information of the resource pool is 1 and the offset value is 1, then the terminal device determines the resource pool.
- the process is shown in Figure 9, including:
- the terminal device is extended by one time in the agreed extension direction (time domain direction and rightward) based on the resources in the basic pattern to obtain a basic resource pool;
- the base station further shifts the basic resource pool by a time domain position according to an agreed offset direction (time domain direction and rightward) to obtain a final resource pool.
- the target multiple of the configuration information of the resource pool is 1, and the offset value includes the first offset value 1 and the frequency in the time domain direction.
- a second offset value of 2 in the domain direction, the process of determining, by the terminal device, the resource pool is as shown in FIG. 10, including:
- the terminal device is extended by one time in the agreed extension direction (frequency domain direction and downward direction) based on the resources in the basic pattern to obtain a basic resource pool;
- the base station further shifts the basic resource pool by one time domain position in the time domain direction (to the right), and offsets two frequency domain positions in the frequency domain direction (downward) to obtain a final Resource pool.
- the embodiment of the present application does not limit the sequence of the offset processing in the time domain direction and the frequency domain direction.
- the target multiple of the resource pool configuration information is 1 and the offset value is 2, then the terminal device determines the resource pool.
- the process is shown in Figure 11, including:
- the terminal device is extended by one time in the agreed extension direction (time domain direction and to the left) based on the resources in the basic pattern to obtain a basic resource pool;
- the base station further shifts the basic resource pool by a time domain position according to an agreed offset direction (time domain direction and leftward) to obtain a final resource pool.
- the expansion factor in the configuration information is the second mode:
- Determining, by the terminal device, the resource pool according to the basic pattern and the configuration information including:
- the terminal device expands the first target multiple in the first direction based on resources in the basic pattern to obtain a first basic resource pool
- the terminal device offsets the second basic resource pool in a time domain direction and/or a frequency domain direction according to the offset value, to obtain the resource pool.
- the expansion multiple in the configuration information of the resource pool includes: a first target multiple 1 in the time domain direction and a frequency domain direction. a second target multiple 3, the offset value includes: a first offset value 4 in the time domain direction and a second offset value 3 in the frequency domain direction, where the terminal device determines the flow of the resource pool as shown in FIG. 12, including:
- the terminal device is extended by one time in the time domain direction (to the right) based on the resources in the basic pattern to obtain a first basic resource pool;
- the terminal device continues to use the resources in the first basic resource pool as the basic, and expands (upward) three times in the frequency domain direction to obtain a second basic resource pool;
- the base station further shifts the second basic resource pool in the time domain direction (to the right) by four time domain positions, and offsets (upward) three frequency domain positions in the frequency domain direction to obtain a final Resource pool.
- the terminal device may directly determine the agreement with the base station according to the corresponding relationship.
- the terminal device may determine the resource pool according to the preset basic pattern and the configuration information.
- the configuration information may indicate a location of the resource pool in the available resources.
- the terminal device may determine the resource pool among the available resources according to the configuration information.
- the configuration information of the resource pool is in the form of a bitmap, and the value is 00000000000000001101100000000000, and the terminal device may determine the label according to the value.
- the resources for 17, 18, 20, and 21 are resources in the resource pool, as shown in FIG.
- the terminal device may determine the resource pool according to the preset available resources and the configuration information.
- the base station uses the transmission method of the downlink measurement reference signal provided by the application, the base station sends the configuration information of the resource pool determined by the preset basic pattern or the available resource to the terminal device, so that the terminal device can be configured according to the local preset.
- the resource pool is determined by the basic pattern or the available resources, and the configuration information, wherein the resource pool includes at least one resource capable of transmitting a downlink measurement reference signal.
- the base station can notify the terminal device of the resource pool by using configuration information of the resource pool for the basic pattern or the available resource, and implement resource configuration of a downlink measurement reference signal without using a conventional bitmap. Notifying the terminal device of the resource configuration of the downlink measurement reference signal, thereby reducing the resource configuration information overhead for the downlink measurement reference signal.
- the base station and the terminal device in the communication system are configured with the resources of the downlink measurement reference signal in the foregoing embodiment, the base station and the terminal device may perform a transmission process of the downlink measurement reference signal, including the following two Kind:
- the base station After determining the configuration information of the resource pool in the foregoing S701, the base station determines the resource pool according to the basic pattern and the configuration information of the resource pool. For the process of determining the resource pool by the base station, refer to the process of determining the resource pool by the terminal device in S703, and details are not described herein.
- the base station selects a target resource in the resource pool
- the base station sends the downlink measurement reference signal by using the target resource; after determining the resource pool in S703, the terminal device may perform monitoring on all resources of the resource pool, thereby receiving the downlink measurement reference signal. ;or
- the base station sends target resource configuration information to the terminal device, where the target resource configuration information is used to indicate the location of the target resource in the resource pool; and the terminal device determines, according to the target resource configuration information, in S703.
- the target resource is determined in the resource pool and monitored at the target resource to receive the downlink measurement reference signal.
- the process of selecting the target resource and transmitting the downlink measurement reference signal in the resource pool is the same as the process in the first method, and details are not described herein again.
- the base station and the terminal device further implement transmission of the downlink measurement reference signal.
- the embodiment of the present application provides a base station, where the base station is applied to a resource configuration method for implementing a downlink measurement reference signal as shown in FIG.
- the base station 1400 includes: a processing unit 1401 and a sending unit 1402, where
- the processing unit 1401 is configured to determine, according to a preset basic pattern or an available resource, configuration information of the resource pool, where the resource pool includes at least one resource capable of transmitting a downlink measurement reference signal, where the basic pattern includes at least one a basic unit, the basic unit being two resource units adjacent in a time domain direction or a frequency domain direction;
- the sending unit 1402 is configured to send configuration information of the resource pool to the terminal device.
- the basic pattern or the available resources are agreed by the base station and the terminal device.
- processing unit 1401 is further configured to:
- the configuration information includes a target multiple and an offset value, where the target multiple is an integer not equal to 0, and the offset value is an integer not equal to 0;
- the processing unit 1401 is specifically configured to: when determining the resource pool according to the basic pattern and the configuration information,
- the configuration information includes a first target multiple, a second target multiple, and an offset value, where the first target multiple and the second target multiple are integers that are not equal to 0, and the offset The value is an integer not equal to 0;
- the processing unit 1401 is specifically configured to: when determining the resource pool according to the basic pattern and the configuration information,
- the first direction is the time domain direction or the frequency domain direction
- the second The direction is another direction other than the first direction in the time domain direction and the frequency domain direction
- the second basic resource pool is offset in a time domain direction and/or a frequency domain direction according to the offset value, to obtain the resource pool.
- the available resources include all the resources in the subframe that can transmit the downlink measurement reference signal; the configuration information of the resource pool is used to indicate the location of the resource pool in the available resources.
- the processing unit 1401 is specifically configured to: when determining the configuration information of the resource pool for the available resources:
- the configuration information of the resource pool is a bitmap bitmap.
- the base station provided by the embodiment of the present application sends the configuration information of the resource pool determined by the preset basic pattern or the available resource to the terminal device, so that the terminal device can use the basic pattern or the available resource preset locally. And determining, by the configuration information, the resource pool, where the resource pool includes at least one resource capable of transmitting a downlink measurement reference signal.
- the base station can notify the terminal device of the resource pool by using configuration information of the resource pool for the basic pattern or the available resource, and implement resource configuration of a downlink measurement reference signal without using a conventional bitmap. Notifying the terminal device of the resource configuration of the downlink measurement reference signal, thereby reducing the resource configuration information overhead for the downlink measurement reference signal.
- the embodiment of the present application provides a terminal device, where the terminal device is applied to a resource configuration method for implementing a downlink measurement reference signal as shown in FIG.
- the terminal device 1500 includes: a receiving unit 1501 and a processing unit 1502, where
- the receiving unit 1501 is configured to receive configuration information of a resource pool sent by the base station, where the resource pool includes at least one resource capable of transmitting a downlink measurement reference signal;
- the processing unit 1502 is configured to determine the resource pool according to a preset basic pattern or an available resource, and the configuration information, where the basic pattern includes at least one basic unit, and the basic unit is in a time domain. Two resource units adjacent in the direction or frequency domain direction.
- the basic pattern or the available resources are agreed by the base station and the terminal device.
- the configuration information includes a target multiple and an offset value, where the target multiple is an integer not equal to 0, and the offset value is an integer not equal to 0;
- the processing unit 1502 is specifically configured to: when determining the resource pool according to the basic pattern and the configuration information,
- the configuration information includes a first target multiple, a second target multiple, and an offset value, where the first target multiple and the second target multiple are integers that are not equal to 0, and the offset The value is an integer not equal to 0;
- the processing unit 1502 is specifically configured to: when determining the resource pool according to the basic pattern and the configuration information,
- the first direction is the time domain direction or the frequency domain direction
- the second The direction is another direction other than the first direction in the time domain direction and the frequency domain direction
- the second basic resource pool is offset in a time domain direction and/or a frequency domain direction according to the offset value, to obtain the resource pool.
- the available resources include all the resources in the subframe that can transmit the downlink measurement reference signal; the configuration information of the resource pool is used to indicate the location of the resource pool in the available resources.
- the configuration information of the resource pool is a bitmap bitmap.
- the terminal device After receiving the configuration information of the resource pool determined by the base station for the preset basic pattern or the available resource, the terminal device provided by the embodiment of the present application may be configured according to the preset basic pattern or the available resource, and the configuration information. Determining the resource pool, wherein the resource pool includes at least one resource capable of transmitting a downlink measurement reference signal.
- the base station can notify the terminal device of the resource pool by using configuration information of the resource pool for the basic pattern or the available resource, and implement resource configuration of a downlink measurement reference signal without using a conventional bitmap. Notifying the terminal device of the resource configuration of the downlink measurement reference signal, thereby reducing the resource configuration information overhead for the downlink measurement reference signal.
- the division of the unit in the embodiment of the present application is schematic, and is only a logical function division. In actual implementation, there may be another division manner.
- the functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
- the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
- a computer readable storage medium A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) or a processor to perform all or part of the steps of the methods described in various embodiments of the present application.
- the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .
- the embodiment of the present application further provides a base station, a resource configuration method for implementing a downlink measurement reference signal as shown in FIG. 7, and having the function of the base station 1400 as shown in FIG.
- the base station 1600 includes a transceiver 1601, a processor 1602, a bus 1603, and a memory 1604, where
- the transceiver 1601, the processor 1602, and the memory 1604 are connected to each other through the bus 1603; the bus 1603 may be a peripheral component interconnect (PCI) bus or an extension. Industrial standard architecture (EISA) bus, etc.
- the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 16, but it does not mean that there is only one bus or one type of bus.
- the transceiver 1601 is configured to perform communication interaction with the terminal device.
- the processor 1602 is configured to implement a resource configuration method for the downlink measurement reference signal as shown in FIG.
- the resource pool includes at least one resource capable of transmitting a downlink measurement reference signal
- the basic pattern includes at least one basic unit,
- the basic unit is two resource units adjacent in the time domain direction or the frequency domain direction;
- the basic pattern or the available resources are agreed by the base station and the terminal device.
- processor 1602 is further configured to:
- the configuration information includes a target multiple and an offset value, where the target multiple is an integer not equal to 0, and the offset value is an integer not equal to 0;
- the processor 1602 is specifically configured to: when determining the resource pool according to the basic pattern and the configuration information,
- the configuration information includes a first target multiple, a second target multiple, and an offset value, where the first target multiple and the second target multiple are integers that are not equal to 0, and the offset The value is an integer not equal to 0;
- the processor 1602 is specifically configured to: when determining the resource pool according to the basic pattern and the configuration information,
- the first direction is the time domain direction or the frequency domain direction
- the second The direction is another direction other than the first direction in the time domain direction and the frequency domain direction
- the second basic resource pool is offset in a time domain direction and/or a frequency domain direction according to the offset value, to obtain the resource pool.
- the available resources include all the resources in the subframe that can transmit the downlink measurement reference signal; the configuration information of the resource pool is used to indicate the location of the resource pool in the available resources.
- the processor 1602 is specifically configured to: when determining the configuration information of the resource pool for the available resources:
- the configuration information of the resource pool is a bitmap bitmap.
- the memory 1604 is configured to store a program or the like.
- the program can include program code, the program code including computer operating instructions.
- the memory 1604 may include a random access memory (random access memory, RAM) may also include non-volatile memory, such as at least one disk storage.
- the processor 1602 executes an application stored in the memory 1604 to implement the foregoing functions, thereby implementing a resource configuration method of the downlink measurement reference signal as shown in FIG. 7.
- the base station provided by the embodiment of the present application sends the configuration information of the resource pool determined by the preset basic pattern or the available resource to the terminal device, so that the terminal device can use the basic pattern or the available resource preset locally. And determining, by the configuration information, the resource pool, where the resource pool includes at least one resource capable of transmitting a downlink measurement reference signal.
- the base station can notify the terminal device of the resource pool by using configuration information of the resource pool for the basic pattern or the available resource, and implement resource configuration of a downlink measurement reference signal without using a conventional bitmap. Notifying the terminal device of the resource configuration of the downlink measurement reference signal, thereby reducing the resource configuration information overhead for the downlink measurement reference signal.
- the embodiment of the present application provides a terminal device, where the terminal device is applied to a resource configuration method for implementing a downlink measurement reference signal as shown in FIG.
- the terminal device 1500 includes: a receiving unit 1501 and a processing unit 1502.
- the embodiment of the present application further provides a terminal device, which is used to implement a resource configuration method of a downlink measurement reference signal as shown in FIG. 7, and has the function of the terminal device 1500 as shown in FIG.
- the terminal device includes: a transceiver 1701, a processor 1702, a bus 1703, and a memory 1704, where
- the transceiver 1701, the processor 1702, and the memory 1704 are connected to each other through the bus 1703; the bus 1703 may be a PCI bus or an EISA bus or the like.
- the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 17, but it does not mean that there is only one bus or one type of bus.
- the transceiver 1701 is configured to perform communication interaction with a base station.
- the processor 1702 is configured to implement a resource configuration method of the downlink measurement reference signal as shown in FIG. 7, and includes:
- the basic pattern or the available resources are agreed by the base station and the terminal device.
- the configuration information includes a target multiple and an offset value, where the target multiple is an integer not equal to 0, and the offset value is an integer not equal to 0;
- the processor 1702 is specifically configured to: when determining the resource pool according to the basic pattern and the configuration information,
- the configuration information includes a first target multiple, a second target multiple, and an offset value, where the first target multiple and the second target multiple are integers that are not equal to 0, and the offset The value is an integer not equal to 0;
- the processor 1702 when determining the resource pool according to the basic pattern and the configuration information, specifically to:
- the first direction is the time domain direction or the frequency domain direction
- the second The direction is another direction other than the first direction in the time domain direction and the frequency domain direction
- the second basic resource pool is offset in a time domain direction and/or a frequency domain direction according to the offset value, to obtain the resource pool.
- the available resources include all the resources in the subframe that can transmit the downlink measurement reference signal; the configuration information of the resource pool is used to indicate the location of the resource pool in the available resources.
- the configuration information of the resource pool is a bitmap bitmap.
- the memory 1704 is configured to store a program or the like.
- the program can include program code, the program code including computer operating instructions.
- the memory 1704 may include RAM and may also include non-volatile memory, such as at least one disk storage.
- the processor 1702 executes an application stored in the memory 1704 to implement the foregoing functions, thereby implementing a resource configuration method of the downlink measurement reference signal as shown in FIG. 7.
- the terminal device After receiving the configuration information of the resource pool determined by the base station for the preset basic pattern or the available resource, the terminal device provided by the embodiment of the present application may be configured according to the preset basic pattern or the available resource, and the configuration information. Determining the resource pool, wherein the resource pool includes at least one resource capable of transmitting a downlink measurement reference signal.
- the base station can notify the terminal device of the resource pool by using configuration information of the resource pool for the basic pattern or the available resource, and implement resource configuration of a downlink measurement reference signal without using a conventional bitmap. Notifying the terminal device of the resource configuration of the downlink measurement reference signal, thereby reducing the resource configuration information overhead for the downlink measurement reference signal.
- the embodiment of the present application provides a resource configuration method and device for a downlink measurement reference signal, where the base station sends configuration information of a resource pool determined by a preset basic pattern or available resources to a terminal device, so as to enable
- the terminal device may determine the resource pool according to the preset basic pattern or the available resources, and the configuration information, where the resource pool includes at least one resource capable of transmitting a downlink measurement reference signal.
- the base station can notify the terminal device of the resource pool by using configuration information of the resource pool for the basic pattern or the available resource, and implement resource configuration of a downlink measurement reference signal without using a conventional bitmap. Notifying the terminal device of the resource configuration of the downlink measurement reference signal, thereby reducing the resource configuration information overhead for the downlink measurement reference signal.
- embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can 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.
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (26)
- 一种下行测量参考信号的资源配置方法,其特征在于,包括:基站针对预设的基本图样或可用资源,确定资源池的配置信息,其中,所述资源池中包含至少一个能够传输下行测量参考信号的资源,所述基本图样中包括至少一组基本单元,所述基本单元为在时域方向或频域方向上相邻的两个资源单元;所述基站将所述资源池的配置信息发送给所述终端设备。
- 如权利要求1所述的方法,其特征在于,所述基本图样或所述可用资源为所述基站和所述终端设备约定的。
- 如权利要求1或2所述的方法,其特征在于,在所述基站确定所述资源池的配置信息之后,所述方法还包括:所述基站根据所述基本图样和所述配置信息,确定所述资源池。
- 如权利要求3所述的方法,其特征在于,所述配置信息包括目标倍数和偏移值,其中,所述目标倍数为不等于0的整数,所述偏移值为不等于0的整数;所述基站根据所述基本图样和所述配置信息,确定所述资源池,包括:所述基站以所述基本图样中的资源为基础,在时域方向上或频域方向上扩展目标倍数,得到基本资源池;所述基站根据所述偏移值,在时域方向和/或频域方向上对所述基本资源池进行偏移,得到所述资源池。
- 如权利要求3所述的方法,其特征在于,所述配置信息包括第一目标倍数、第二目标倍数和偏移值,其中,所述第一目标倍数和所述第二目标倍数均为不等于0的整数,所述偏移值为不等于0的整数;所述基站根据所述基本图样和所述配置信息,确定所述资源池,包括:所述基站以所述基本图样中的资源为基础,在第一方向上扩展所述第一目标倍数,得到第一基本资源池;并继续以所述第一基本资源池为基础,在第二方向上扩展第二目标倍数,得到第二基本资源池;其中,所述第一方向为时域方向或频域方向,所述第二方向为时域方向和频域方向中除所述第一方向以外的另一个方向;所述基站根据所述偏移值,在时域方向和/或频域方向上对所述第二基本资源池进行偏移,得到所述资源池。
- 如权利要求1或2所述的方法,其特征在于,所述可用资源中包含子帧中全部能够传输下行测量参考信号的资源;所述资源池的配置信息用于指示所述资源池在所述可用资源中的位置;所述基站针对所述可用资源,确定所述资源池的配置信息,包括:所述基站在所述可用资源中,确定所述资源池;所述基站根据所述资源池在所述可用资源中的位置,确定所述资源池的配置信息。
- 如权利要求6所述的方法,其特征在于,所述资源池的配置信息为位图bitmap。
- 一种下行测量参考信号的资源配置方法,其特征在于,包括:终端设备接收基站发送的资源池的配置信息,所述资源池中包含至少一个能够传输下行测量参考信号的资源;所述终端设备根据预设的基本图样或可用资源,以及所述配置信息,确定所述资源池,其中,所述基本图样中包括至少一组基本单元,所述基本单元为在时域方向或频域方向上相邻的两个资源单元。
- 如权利要求8所述的方法,其特征在于,所述基本图样或所述可用资源为所述基站和所述终端设备约定的。
- 如权利要求8或9所述的方法,其特征在于,所述配置信息包括目标倍数和偏移值,其中,所述目标倍数为不等于0的整数,所述偏移值为不等于0的整数;所述终端设备根据所述基本图样和所述配置信息,确定所述资源池,包括:所述终端设备以所述基本图样中的资源为基础,在时域方向上或频域方向上扩展目标倍数,得到基本资源池;所述终端设备根据所述偏移值,在时域方向和/或频域方向上对所述基本资源池进行偏移,得到所述资源池。
- 如权利要求8或9所述的方法,其特征在于,所述配置信息包括第一目标倍数、第二目标倍数和偏移值,其中,所述第一目标倍数和所述第二目标倍数均为不等于0的整数,所述偏移值为不等于0的整数;所述终端设备根据所述基本图样和所述配置信息,确定所述资源池,包括:所述终端设备以所述基本图样中的资源为基础,在第一方向上扩展所述第一目标倍数,得到第一基本资源池;并继续以所述第一基本资源池为基础,在第二方向上扩展第二目标倍数,得到第二基本资源池;其中,所述第一方向为时域方向或频域方向,所述第二方向为时域方向和频域方向中除所述第一方向以外的另一个方向;所述终端设备根据所述偏移值,在时域方向和/或频域方向上对所述第二基本资源池进行偏移,得到所述资源池。
- 如权利要求8或9所述的方法,其特征在于,所述可用资源中包含子帧中全部能够传输下行测量参考信号的资源;所述资源池的配置信息用于指示所述资源池在所述可用资源中的位置。
- 如权利要求12所述的方法,其特征在于,所述资源池的配置信息为位图bitmap。
- 一种基站,其特征在于,包括:处理单元,用于针对预设的基本图样或可用资源,确定资源池的配置信息,其中,所述资源池中包含至少一个能够传输下行测量参考信号的资源,所述基本图样中包括至少一组基本单元,所述基本单元为在时域方向或频域方向上相邻的两个资源单元;发送单元,用于将所述资源池的配置信息发送给所述终端设备。
- 如权利要求14所述的基站,其特征在于,所述基本图样或所述可用资源为所述基站和所述终端设备约定的。
- 如权利要求14或15所述的基站,其特征在于,所述处理单元,还用于:在确定所述资源池的配置信息之后,根据所述基本图样和所述配置信息,确定所述资源池。
- 如权利要求16所述的基站,其特征在于,所述配置信息包括目标倍数和偏移值,其中,所述目标倍数为不等于0的整数,所述偏移值为不等于0的整数;所述处理单元,在根据所述基本图样和所述配置信息,确定所述资源池时,具体用于:以所述基本图样中的资源为基础,在时域方向上或频域方向上扩展目标倍数,得到基本资源池;根据所述偏移值,在时域方向和/或频域方向上对所述基本资源池进行偏移,得到所述资源池。
- 如权利要求16所述的基站,其特征在于,所述配置信息包括第一目标倍数、第二目标倍数和偏移值,其中,所述第一目标倍数和所述第二目标倍数均为不等于0的整数,所述偏移值为不等于0的整数;所述处理单元,在根据所述基本图样和所述配置信息,确定所述资源池时,具体用于:以所述基本图样中的资源为基础,在第一方向上扩展所述第一目标倍数,得到第一基本资源池;并继续以所述第一基本资源池为基础,在第二方向上扩展第二目标倍数,得到第二基本资源池;其中,所述第一方向为时域方向或频域方向,所述第二方向为时域方向和频域方向中除所述第一方向以外的另一个方向;根据所述偏移值,在时域方向和/或频域方向上对所述第二基本资源池进行偏移,得到所述资源池。
- 如权利要求14或15所述的基站,其特征在于,所述可用资源中包含子帧中全部能够传输下行测量参考信号的资源;所述资源池的配置信息用于指示所述资源池在所述可用资源中的位置;所述处理单元,在针对所述可用资源,确定所述资源池的配置信息时,具体用于:在所述可用资源中,确定所述资源池;根据所述资源池在所述可用资源中的位置,确定所述资源池的配置信息。
- 如权利要求19所述的基站,其特征在于,所述资源池的配置信息为位图bitmap。
- 一种终端设备,其特征在于,包括:接收单元,用于接收基站发送的资源池的配置信息,所述资源池中包含至少一个能够传输下行测量参考信号的资源;处理单元,用于根据预设的基本图样或可用资源,以及所述配置信息,确定所述资源池,其中,所述基本图样中包括至少一组基本单元,所述基本单元为在时域方向或频域方向上相邻的两个资源单元。
- 如权利要求21所述的终端设备,其特征在于,所述基本图样或所述可用资源为所述基站和所述终端设备约定的。
- 如权利要求21或22所述的终端设备,其特征在于,所述配置信息包括目标倍数和偏移值,其中,所述目标倍数为不等于0的整数,所述偏移值为不等于0的整数;所述处理单元,在根据所述基本图样和所述配置信息,确定所述资源池时,具体用于:以所述基本图样中的资源为基础,在时域方向上或频域方向上扩展目标倍数,得到基本资源池;根据所述偏移值,在时域方向和/或频域方向上对所述基本资源池进行偏移,得到所述资源池。
- 如权利要求21或22所述的终端设备,其特征在于,所述配置信息包括第一目标倍数、第二目标倍数和偏移值,其中,所述第一目标倍数和所述第二目标倍数均为不等于0的整数,所述偏移值为不等于0的整数;所述处理单元,在根据所述基本图样和所述配置信息,确定所述资源池时,具体用于:以所述基本图样中的资源为基础,在第一方向上扩展所述第一目标倍数,得到第一基本资源池;并继续以所述第一基本资源池为基础,在第二方向上扩展第二目标倍数,得到第二基本资源池;其中,所述第一方向为时域方向或频域方向,所述第二方向为时域方向和频域方向中除所述第一方向以外的另一个方向;根据所述偏移值,在时域方向和/或频域方向上对所述第二基本资源池进行偏移,得到所述资源池。
- 如权利要求21或22所述的终端设备,其特征在于,所述可用资源中包含子帧中全部能够传输下行测量参考信号的资源;所述资源池的配置信息用于指示所述资源池在所述可用资源中的位置。
- 如权利要求25所述的终端设备,其特征在于,所述资源池的配置信息为位图bitmap。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020197022989A KR20190101455A (ko) | 2017-01-06 | 2017-12-12 | 다운링크 측정 기준 신호에 대한 자원 할당 방법 및 디바이스 |
EP17890578.2A EP3557807B1 (en) | 2017-01-06 | 2017-12-12 | Resource allocation method and device for downlink measurement reference signal |
JP2019536956A JP2020506582A (ja) | 2017-01-06 | 2017-12-12 | ダウンリンク測定基準信号のリソースを構成する方法および装置 |
US16/504,036 US10999038B2 (en) | 2017-01-06 | 2019-07-05 | Method for configuring resource of downlink measurement reference signal and apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710011425.6 | 2017-01-06 | ||
CN201710011425.6A CN108282311B (zh) | 2017-01-06 | 2017-01-06 | 一种下行测量参考信号的资源配置方法及装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/504,036 Continuation US10999038B2 (en) | 2017-01-06 | 2019-07-05 | Method for configuring resource of downlink measurement reference signal and apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018126855A1 true WO2018126855A1 (zh) | 2018-07-12 |
Family
ID=62789166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2017/115706 WO2018126855A1 (zh) | 2017-01-06 | 2017-12-12 | 一种下行测量参考信号的资源配置方法及装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US10999038B2 (zh) |
EP (1) | EP3557807B1 (zh) |
JP (1) | JP2020506582A (zh) |
KR (1) | KR20190101455A (zh) |
CN (1) | CN108282311B (zh) |
WO (1) | WO2018126855A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021536719A (ja) * | 2018-09-10 | 2021-12-27 | 維沃移動通信有限公司Vivo Mobile Communication Co., Ltd. | チャネル測定方法、端末装置とネットワーク側装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115882904A (zh) * | 2021-09-29 | 2023-03-31 | 维沃移动通信有限公司 | 参考信号处理方法、装置、终端及介质 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102404854A (zh) * | 2011-11-04 | 2012-04-04 | 中兴通讯股份有限公司 | 一种上行解调参考信号的资源配置方法及系统 |
US8526393B1 (en) * | 2011-07-01 | 2013-09-03 | Ofinno Technologies, Llc | Radio resource configuration |
CN103313391A (zh) * | 2012-03-12 | 2013-09-18 | 电信科学技术研究院 | 资源通知及信令解调方法和设备 |
CN105356978A (zh) * | 2014-08-21 | 2016-02-24 | 电信科学技术研究院 | 一种传输csi-rs的方法和设备 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101526163B1 (ko) * | 2012-09-07 | 2015-06-05 | 주식회사 케이티 | 간섭신호측정 자원 할당정보 전송방법 및 간섭신호측정방법, 그 송신포인트, 그 단말 |
US9137810B2 (en) | 2012-09-07 | 2015-09-15 | Kt Corporation | Transmitting configuration information of interference measurement resource, and measuring interference |
US9999074B2 (en) * | 2015-01-30 | 2018-06-12 | Electronics And Telecommunications Research Institute | Method and apparatus for transmitting downlink reference signal and method and apparatus for transmitting control information in cooperative multi-point communication system |
CN108768603B (zh) | 2015-04-10 | 2019-04-23 | 华为技术有限公司 | 一种信道测量方法、基站及ue |
EP3734896B1 (en) * | 2015-06-17 | 2022-06-08 | LG Electronics Inc. | Method for channel state report using aperiodic channel state information-reference signal and apparatus therefor |
WO2017052330A1 (ko) * | 2015-09-24 | 2017-03-30 | 엘지전자(주) | 무선 통신 시스템에서 채널 상태 정보 송수신 방법 및 이를 위한 장치 |
US11206177B2 (en) * | 2015-12-22 | 2021-12-21 | Samsung Electronics Co., Ltd. | Scheme for configuring reference signal and communicating channel state information in a wireless communication system using multiple antenna ports |
EP3510716B1 (en) * | 2016-12-08 | 2020-05-13 | Telefonaktiebolaget LM Ericsson (PUBL) | Obtaining and indicating of component combination used for csi-rs |
-
2017
- 2017-01-06 CN CN201710011425.6A patent/CN108282311B/zh active Active
- 2017-12-12 JP JP2019536956A patent/JP2020506582A/ja active Pending
- 2017-12-12 EP EP17890578.2A patent/EP3557807B1/en active Active
- 2017-12-12 KR KR1020197022989A patent/KR20190101455A/ko not_active Application Discontinuation
- 2017-12-12 WO PCT/CN2017/115706 patent/WO2018126855A1/zh unknown
-
2019
- 2019-07-05 US US16/504,036 patent/US10999038B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8526393B1 (en) * | 2011-07-01 | 2013-09-03 | Ofinno Technologies, Llc | Radio resource configuration |
CN102404854A (zh) * | 2011-11-04 | 2012-04-04 | 中兴通讯股份有限公司 | 一种上行解调参考信号的资源配置方法及系统 |
CN103313391A (zh) * | 2012-03-12 | 2013-09-18 | 电信科学技术研究院 | 资源通知及信令解调方法和设备 |
CN105356978A (zh) * | 2014-08-21 | 2016-02-24 | 电信科学技术研究院 | 一种传输csi-rs的方法和设备 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3557807A4 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2021536719A (ja) * | 2018-09-10 | 2021-12-27 | 維沃移動通信有限公司Vivo Mobile Communication Co., Ltd. | チャネル測定方法、端末装置とネットワーク側装置 |
JP7170146B2 (ja) | 2018-09-10 | 2022-11-11 | 維沃移動通信有限公司 | チャネル測定方法、端末装置とネットワーク側装置 |
US11825505B2 (en) | 2018-09-10 | 2023-11-21 | Vivo Mobile Communication Co., Ltd. | Channel measurement method, user equipment, and network side device |
EP3852444B1 (en) * | 2018-09-10 | 2024-05-29 | Vivo Mobile Communication Co., Ltd. | Channel measurement method, terminal device, and network side device |
Also Published As
Publication number | Publication date |
---|---|
EP3557807B1 (en) | 2022-02-23 |
EP3557807A4 (en) | 2020-01-15 |
CN108282311B (zh) | 2020-12-04 |
EP3557807A1 (en) | 2019-10-23 |
CN108282311A (zh) | 2018-07-13 |
US20190334682A1 (en) | 2019-10-31 |
KR20190101455A (ko) | 2019-08-30 |
JP2020506582A (ja) | 2020-02-27 |
US10999038B2 (en) | 2021-05-04 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11463132B2 (en) | Data transmission using a quasi co-location type associated with a type of channel large-scale characteristic parameter | |
US11303490B2 (en) | Reference signal configuration method and apparatus | |
JP6038317B2 (ja) | Ri報告を制御するための方法および装置 | |
US11395267B2 (en) | Wireless communication method, terminal device, and network device | |
EP2941066B1 (en) | Method and apparatus for transmitting common signal | |
JP2020516146A (ja) | 信号送信方法、装置、およびシステム | |
US9985765B2 (en) | Data transmission method, user equipment, and base station | |
CN105490791B (zh) | Srs信号发送及触发方法、装置、用户设备和基站 | |
KR20180126048A (ko) | 데이터 송신 방법, 네트워크 측 디바이스 및 단말 디바이스 | |
WO2018137397A1 (zh) | 一种配置信息的方法、装置及系统 | |
EP2975906B1 (en) | Method for ensuring channel continuity after precoding, base station, ue, and computer readable storage medium | |
EP3185632B1 (en) | Comp jt communication method and base station | |
US11784770B2 (en) | Method and apparatus for sending reference signal, and method and apparatus for obtaining reference signal | |
WO2018126855A1 (zh) | 一种下行测量参考信号的资源配置方法及装置 | |
WO2018082696A1 (zh) | 基于码本的信道状态信息反馈方法及设备 | |
EP3499825B1 (en) | Method for transmitting signal, network device and terminal device | |
WO2019029292A1 (zh) | 一种导频配置、信道测量方法及通信设备 | |
WO2017076128A1 (zh) | 一种csi-rs指示方法、基站及用户设备 | |
WO2018202068A1 (zh) | 数据传输方法和装置 | |
US10972159B2 (en) | Precoding configuration method, device, and system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 17890578 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2019536956 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 2017890578 Country of ref document: EP Effective date: 20190716 |
|
ENP | Entry into the national phase |
Ref document number: 20197022989 Country of ref document: KR Kind code of ref document: A |