WO2017026455A1 - 情報伝送方法、情報処理方法、基地局及び移動局 - Google Patents
情報伝送方法、情報処理方法、基地局及び移動局 Download PDFInfo
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- WO2017026455A1 WO2017026455A1 PCT/JP2016/073336 JP2016073336W WO2017026455A1 WO 2017026455 A1 WO2017026455 A1 WO 2017026455A1 JP 2016073336 W JP2016073336 W JP 2016073336W WO 2017026455 A1 WO2017026455 A1 WO 2017026455A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
- H04B7/0868—Hybrid systems, i.e. switching and combining
- H04B7/088—Hybrid systems, i.e. switching and combining using beam selection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0617—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal for beam forming
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/0626—Channel coefficients, e.g. channel state information [CSI]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0686—Hybrid systems, i.e. switching and simultaneous transmission
- H04B7/0695—Hybrid systems, i.e. switching and simultaneous transmission using beam selection
- H04B7/06952—Selecting one or more beams from a plurality of beams, e.g. beam training, management or sweeping
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
- H04W16/24—Cell structures
- H04W16/28—Cell structures using beam steering
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/27—Transitions between radio resource control [RRC] states
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Definitions
- the present disclosure relates to the communication technology field, and more specifically, to an information transmission method used for a base station in multi-antenna technology, an information processing method used for a mobile station, a base station, and a mobile station.
- the base station normally communicates with the mobile station using a one-dimensional antenna in the horizontal range.
- the number of wireless transmission units has increased rapidly, and the number of mobile stations has also increased.
- a full-dimensional beamforming technique has been proposed.
- the all-dimensional beam forming technique a base station communicates with a mobile station using a two-dimensional antenna array in a horizontal region and a vertical region.
- the two-dimensional antenna array can not only perform horizontal beam control by arranging antennas in the horizontal region, but also can perform vertical beam control by arranging antennas in the vertical region (height direction). All-dimensional beam forming can be realized. Higher beamforming gain can be obtained by all-dimensional beamforming, and good signal transmission quality can be given to mobile stations at different positions.
- the base station Before transmitting downlink data to the mobile station, the base station needs to transmit a reference signal (RS) in order for the mobile station to estimate channel state information (CSI, channel state information). . Specifically, the base station receives a beamformed (BF, beamformed) CSI-RS (hereinafter referred to as BF CSI-RS) beam or is not precoded (NP, non-precoded). ) CSI-RS (hereinafter referred to as NP CSI-RS) beam can be transmitted. The mobile station performs channel estimation based on the received beam, and feeds back the channel estimation result to the base station, so that the base station can transmit downlink data based on the channel estimation result. it can.
- BF beamformed
- NP non-precoded
- the BF CSI-RS beam usually has a dedicated transmission and processing method
- the NP CSI-RS beam also usually has a dedicated transmission and processing method.
- compatible transmission and processing may not be performed for reference signals in different communication modes. Therefore, a communication technique that can enhance the processing capability for the reference signal is desirable.
- the object of the present disclosure is not only to control the two-dimensional antenna array by enhancing and expanding the processing capability to the reference signal, but also compatible transmission and processing for the reference signal in different communication modes It is to provide an information transmission method used for a base station in a multi-antenna technique, an information processing method used for a mobile station, a base station, and a mobile station.
- an information transmission method for use in a base station wherein the method determines mode indication information related to a reference signal to be transmitted; transmits the mode indication information to the mobile station; and Transmitting the reference signal to the mobile station based on mode indication information.
- an information processing method for use in a mobile station which receives mode indication information about a reference signal to be transmitted from a base station; based on the mode indication information, the base station Receiving the reference signal from; and obtaining channel state information between the mobile station and the base station based on the received reference signal.
- a base station generates mode instruction information related to a reference signal to be transmitted, and a signal for generating a reference signal to be transmitted based on the mode instruction information A generator; and a transmitter for transmitting the mode indication information and for transmitting the reference signal.
- a mobile station receives mode indication information on a reference signal transmitted from a base station, and based on the mode indication information, the mobile station receives the mode indication information.
- a receiver for receiving a reference signal; and a processor for obtaining channel state information between the mobile station and the base station based on the received reference signal.
- mode indication information related to a reference signal is determined and transmitted, and movement is performed based on the mode indication information.
- FIG. 1 is a diagram illustrating a wireless communication system to which an embodiment of the present disclosure can be applied.
- 5 is a flowchart of an information transmission method used for a base station according to an embodiment of the present disclosure.
- 5 is a flowchart of an information processing method used for a mobile station according to an embodiment of the present disclosure. It is a flowchart of the process in the communication system by the Example of this indication.
- FIG. 3 is a block diagram of a base station according to an embodiment of the present disclosure.
- FIG. 3 is a block diagram of a mobile station according to an embodiment of the present disclosure. It is a figure which shows an example of the hardware constitutions of the base station and mobile station by the Example of this indication.
- CDMA Code Division Multiple Access
- WCDMA Wideband Code Division Multiple Access Wireless
- LTE Long Term Evolution
- LTE-Advanced system TD. -It
- TD. -It can be applied to LTE systems and other broadband communication systems.
- a mobile station can communicate with one or a plurality of core networks via a radio access network (for example, RAN, Radio Access Network).
- the mobile station may be a mobile phone, a portable mobile device, a handheld mobile device, a computer built-in mobile device, or an in-vehicle mobile device, which may exchange voice and / or data with a radio access network. it can.
- system and “network” used in this specification are used interchangeably.
- the base station may be a base station (BTS, Base Transceiver Station) in a CDMA system, may be a base station (NodeB) in a WCDMA system, and is an evolved base station (eNB or e) in an LTE or LTE-Advanced system.
- eNB evolved base station
- eNB home base station
- Relay Node Relay Node
- the base station can accommodate one or a plurality of (for example, three) cells (also called sectors). When a base station accommodates multiple cells, the entire coverage area of the base station can be divided into multiple smaller areas, each smaller area being divided into a base station subsystem (eg, an indoor small base station RRH: Remote Radio Head) can also provide communication services.
- the term “cell” or “sector” refers to part or all of the coverage area of a base station and / or base station subsystem that provides communication services in this coverage. Further, the terms “base station”, “eNB”, “cell”, and “sector” may be used interchangeably herein.
- a base station may also be referred to in terms such as a fixed station (fixed station), NodeB, eNodeB (eNB), access point (access point), femto cell, small cell, and the like.
- a mobile station is defined by those skilled in the art as a subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, wireless device, wireless communication device, remote device, mobile subscriber station, access terminal, mobile terminal, wireless It may also be called terminal, remote terminal, handset, user agent, mobile client, client, or some other appropriate terminology.
- the LTE communication system and the base station eNB and user apparatus UE (that is, mobile station) in the system will be described below as an example.
- the user apparatus UE is a machine type communication terminal.
- FIG. 1 is a diagram illustrating a wireless communication system to which an embodiment of the present disclosure can be applied.
- the wireless communication system may include at least one base station and at least one mobile station.
- the base station is connected to an upper layer device (not shown), and the upper layer device is connected to a core network (not shown).
- the base station has a one-dimensional or two-dimensional antenna array, and can communicate with a mobile station using the antenna array.
- the base station Before the base station transmits downlink data to the mobile station, the base station transmits a reference signal for estimating channel state information CSI to the mobile station.
- the reference signal may be abbreviated as RS (Reference Signal), and may be referred to as a pilot depending on an applied standard.
- RS Reference Signal
- the base station When the reference signal is BF CSI-RS, the base station performs precoding using a corresponding precoding vector, and thereby, a beam of reference signals having different directivities at different antenna ports (as shown in FIG. 1). 3 beams) are then generated, which are then transmitted to the mobile station by the antennas in the antenna array.
- the reference signal is NP CSI-RS
- the base station does not perform precoding, and generates a reference signal beam (not shown in FIG.
- the mobile station receives the beam, performs channel estimation, selects at least one beam based on the channel estimation result, and feeds back the selected beam to the base station, whereby the base station Based on the feedback, downlink data can be transmitted.
- FIG. 1 shows only one base station and only one mobile station, more base stations and mobile stations may exist. Further, FIG. 1 shows only three reference signal beams by the beam forming process, but the number of beams can be increased or decreased according to needs.
- the reference signal mentioned here may be the above-mentioned CSI-RS, may be a common reference signal (CRS) or a demodulated reference signal (DMRS), or a primary synchronization signal (PSS) or secondary synchronization.
- CRS common reference signal
- DMRS demodulated reference signal
- PSS primary synchronization signal
- SSS secondary synchronization
- SSS secondary synchronization signal
- the base station first needs to transmit configuration information to the mobile station, and the configuration information indicates, for example, resources in which the beam of each antenna port of the base station is located, for example, time resource and frequency resource. ing.
- the mobile station receives the beam of each port on the corresponding resource, and thereby can estimate the channel state from each port to the mobile station.
- Conventional BF CSI-RS beams have dedicated transmission and processing methods
- conventional NP CSI-RS beams also have dedicated transmission and processing methods, so they are compatible with reference signals in different communication modes. Cannot perform certain transmission and processing.
- the base station can transmit the configuration information and the mode indication information of the reference signal before transmitting the reference signal.
- the reference signal can also be transmitted to the mobile station based on both information and configuration information.
- the mobile station can identify the transmission scheme of the reference signal based on the mode instruction information, or can grasp the dimensionality information of the reference signal. Therefore, the mobile station receives the reference signal using an appropriate method. Can be processed. Therefore, by enhancing and expanding the processing capability to the reference signal, not only can the two-dimensional antenna array be controlled, but also compatible transmission and processing can be performed for the reference signal in different communication modes. it can.
- FIG. 2 is a flowchart of an information transmission method 200 used for a base station according to an embodiment of the present disclosure.
- the information transmission method 200 can be applied to a base station as shown in FIG.
- the information transmission method 200 used in the base station determines mode instruction information related to a reference signal to be transmitted (S210); transmits the mode instruction information and configuration information related to the reference signal to the mobile station.
- the configuration information includes information for indicating transmission resources configured for the reference signal (S220); and transmits the reference signal to the mobile station based on the mode indication information and the configuration information.
- Step (S230) is a flowchart of an information transmission method 200 used for a base station according to an embodiment of the present disclosure.
- the information transmission method 200 can be applied to a base station as shown in FIG.
- the information transmission method 200 used in the base station determines mode instruction information related to a reference signal to be transmitted (S210); transmits the mode instruction information and configuration information related to the reference signal to the mobile station.
- the configuration information includes information for
- the mode instruction information is used to indicate the transmission mode of the reference signal. In practice, it can be selected appropriately according to the needs. For example, when the reference signal transmission scheme is determined to be a BF CSI-RS beam, the dimensionality information of the reference signal may be used as mode indication information, and when the reference signal transmission scheme is not determined, The reference signal transmission scheme information may be mode instruction information. For example, the mode instruction information may be used to indicate whether the reference signal is BF CSI-RS or NP CSI-RS.
- the reference signal is a two-dimensional signal in the vertical region and the horizontal region, assuming that the reference signal is BF CSI-RS.
- the dimension number information of the reference signal may include at least one of a distribution in the vertical region and a distribution in the horizontal region of the reference signal.
- the dimension number information can indicate, for example, whether the reference signal is a one-dimensional signal in the horizontal region or a one-dimensional signal in the vertical region. It can also indicate that the signal is a two-dimensional signal in the vertical region.
- the configuration information corresponding to the distribution in the vertical region of the reference signal can be obtained, or Configuration information corresponding to the horizontal distribution of reference signals can be obtained, thereby increasing the number of reference signals, and correspondingly increasing the number of radio transmission units or mobile stations. it can.
- the transmission scheme information is used to indicate the reference signal transmission scheme.
- the transmission scheme information includes the reference signal having BF CSI. -Used to indicate RS or NP CSI-RS.
- the transmission scheme information may further indicate that the reference signal is one of a common reference signal and a demodulated reference signal, or the transmission scheme information is Further, it may be indicated that the reference signal is one of a primary synchronization signal and a secondary synchronization signal.
- it does not limit about the specific scheme which can be shown with this transmission scheme information.
- the mode instruction information determined in S210 and the configuration information related to the reference signal are transmitted to the mobile station.
- the reference signal configuration information includes information for indicating transmission resources configured for the reference signal.
- the information on the transmission resource configured for the reference signal may include, for example, at least one of a time resource and a frequency resource for transmitting each reference signal, and an antenna corresponding to the reference signal.
- Information such as a port number or beam identifier and the number of antennas may be included.
- the mobile station can receive each reference signal and identify the corresponding antenna port number.
- the mode instruction information may be transmitted together with the configuration information or may be transmitted separately from the configuration information. Alternatively, the mode instruction information can be transmitted implicitly by transmitting the configuration information. In the embodiment of the present disclosure, the specific transmission method of the mode instruction information and the configuration information is not limited.
- radio resource control radio resource control
- PDCCH physical downlink control channel
- DCI downlink control information
- the mode instruction information may be transmitted to the mobile station, and the configuration information may be transmitted using the radio resource control signaling.
- the mode instruction information and the configuration information are transmitted separately, and the mode instruction information is transmitted using dedicated information bits. In other words, the mode instruction information is transmitted by an explicit method.
- the dimension number information of the reference signal may be indicated by inserting a dimension number indicating bit into the radio resource control RRC signaling or DCI.
- a dimension number indicating bit When the value of the dimension number indicating bit is 0, it indicates that the reference signal is a one-dimensional signal in the horizontal range. When the value of the dimension number indicating bit is 1, the reference signal is in the horizontal range. And a two-dimensional signal in the vertical region.
- the distribution in the vertical region of the reference signal may be indicated using the dimensionality indication bit.
- the reference signal transmission scheme may be indicated by inserting a scheme instruction bit into radio resource control RRC signaling or DCI. For example, when the scheme instruction bit is 0, it indicates that the reference signal is BF CSI-RS, and when the scheme instruction bit is 1, it indicates that the reference signal is NP CSI-RS. Also good.
- the correspondence relationship between the numerical value of the scheme instruction bit and the transmission scheme of the reference signal is not limited, and it is only necessary that the transmission scheme of the reference signal can be identified using the scheme instruction bit.
- the transmission cycle of RRC signaling is relatively long, and the transmission cycle of downlink control information DCI is relatively short. Therefore, when transmitting the mode instruction information using the downlink control information DCI, the transmission of the mode instruction information can be controlled more flexibly.
- Configuration information is usually transmitted by radio resource control signaling. For example, reference signal configuration information corresponding to different antenna ports may be transmitted in a physical resource block.
- the mode instruction information may be transmitted by an implicit method without using a dedicated information bit.
- the mode instruction information can be implied when transmitting configuration information.
- the configuration information list related to the reference signal may be transmitted to the mobile station using the radio resource control signaling, and the configuration information list includes one or more configurations each having an identification number.
- the list related information of the configuration information list including the information block is used to indicate the mode instruction information.
- the configuration information includes only one configuration information block, and information such as the transmission resource of the reference signal is indicated using information in the configuration information block.
- the configuration information list is the configuration information, and the number of configuration information blocks included in the configuration information list is not limited to one.
- the list related information of the configuration information list includes, for example, at least one of an identification number of the configuration information block, a subframe number where the configuration information list is located, and the number of configuration information blocks in the configuration information list. But it ’s okay.
- the identification number of the configuration information block may be 1, 2, 3, 4, 5, etc., for example.
- the CSI configuration information list may be used as configuration information.
- the CSI configuration information list may be transmitted in one CSI process or in a different CSI process.
- the process that can transmit the configuration information list is not limited.
- the mode indication information includes reference signal transmission scheme information
- it is determined that the reference signal is NP CSI-RS when the maximum identification number in the configuration information list is an odd number (for example, 1, 3, 5, etc.)
- the maximum identification number in the configuration information list is an even number (for example, 2, 4, etc.)
- it may be determined that the reference signal is BF CSI-RS.
- the configuration information list is located in subframe 2
- the reference signal may be determined to be NP CSI-RS
- the configuration information list is located in subframes 4 and 5
- It may be determined that the reference signal is BF CSI-RS.
- the number of configuration information lists is 2 when each configuration information list includes two configuration information blocks, it may be determined that the reference signal is NP CSI-RS. Even if it is determined that the reference signal is BF CSI-RS when three configuration information blocks are included in one configuration information list and one configuration information block is included in the other configuration information list. good.
- the number of configuration information blocks in the configuration information list may correspond to the dimension number in the vertical region of the reference signal.
- the configuration information block corresponding to each vertical height may include the configuration information of the reference signal in the horizontal region.
- the dimension number information of the reference signal may be implicitly indicated using a subframe in which the configuration information list is located. For example, when the configuration information list is located in subframe 2, it indicates that the reference signal is a signal only in the horizontal range, and when the configuration information list is located in subframe 3, the reference signal is in the horizontal range and vertical range. When the configuration information list is located in subframe 4, the reference signal is a horizontal signal and a vertical signal, and two vertical signals are present. You may make it show that there exists a reference signal in height. In practice, each list related information may be used comprehensively to indicate one or more of the mode instruction information.
- mode indication information may be indicated by combining an implicit method and an explicit method.
- the reference signal is transmitted to the mobile station based on the mode instruction information and the configuration information. For example, when the transmission scheme information in the mode indication information indicates that the reference signal is NP CSI-RS, precoding is not performed, and the resource in which each reference signal indicated by the configuration information is located Each reference signal can be transmitted. When the transmission scheme information in the mode indication information indicates that the reference signal is BF CSI-RS, precoding is performed, and the resource in which each reference signal is indicated by the configuration information is used. Thus, each reference signal can be transmitted.
- the resource in which each reference signal indicated by the configuration information is located with each azimuth angle of the horizontal region Each reference signal can be transmitted based on
- the configuration information includes the corresponding azimuth angle in the horizontal region and the corresponding elevation angle in the vertical region.
- Each reference signal can be transmitted based on the resource transmission in which each indicated reference signal is located.
- the mobile station can calculate channel state information corresponding to the transmission path of the reference signal.
- the channel state information may be information such as a channel quality instruction, a precoding matrix instruction, and a rank instruction, for example.
- the mobile station can feed back information such as the channel state information and the port number to the base station.
- the base station can receive feedback information from the mobile station, and the feedback information includes channel state information obtained by the mobile station based on the reference signal. Based on the feedback information, the base station can determine the channel state between each antenna port of the base station and the mobile station, thereby adopting an appropriate method to perform data communication with the mobile station. be able to.
- the base station determines and transmits the mode instruction information related to the reference signal, and transmits the reference signal to the mobile station based on the mode instruction information.
- the processing capability to the reference signal can be enhanced and expanded, thereby not only allowing control of the two-dimensional antenna array, but also transmission compatible with the reference signal in different communication modes. And processing can also be performed.
- FIG. 3 is a flowchart of an information processing method 300 used for a mobile station according to an embodiment of the present disclosure.
- the information processing method 300 can be applied to a mobile station as shown in FIG.
- the information processing method 300 receives mode indication information and configuration information related to a reference signal to be transmitted from a base station, and the configuration information is a transmission configured for the reference signal.
- Used to indicate a resource S310
- steps S310 and S320 executed by the mobile station in FIG. 3 correspond to steps S220 and S230 executed by the base station in FIG. 2, respectively.
- the mobile station receives the mode instruction information and configuration information of the reference signal from the base station.
- the mode instruction information is used to instruct a transmission mode of the reference signal, and may include, for example, at least one of dimensionality information of the reference signal and transmission scheme information of the reference signal.
- the dimension number information of the reference signal may include at least one of a distribution in the vertical region and a distribution in the horizontal region of the reference signal.
- the reference signal transmission scheme information can indicate, for example, whether the reference signal is BF CSI-RS or NP CSI-RS.
- the configuration information may be used to indicate transmission resources configured for the reference signal.
- the information on the transmission resource configured for the reference signal may include, for example, at least one of a time resource and a frequency resource for transmitting each reference signal, and an antenna corresponding to the reference signal.
- Information such as a port number or beam identifier and the number of antennas may be included.
- the mobile station can receive the mode instruction information and the configuration information by adopting a corresponding reception method. Specifically, when the base station transmits the mode instruction information and the configuration information separately, the mobile station also receives and processes the mode instruction information and the configuration information separately; If the information is implicitly included in the configuration information, the mobile station can receive the configuration information and obtain the mode indication information from the configuration information.
- a specific method for receiving the mode instruction information and the configuration information is not limited.
- the mode instruction information may be received from a base station using at least one of radio resource control signaling and downlink control information of a physical downlink control channel, and the radio resource The configuration information of the reference signal may be received using control signaling.
- the mode instruction information can explicitly indicate that the mobile station receives the mode instruction information and the configuration information separately using a dedicated control bit.
- the mobile station can obtain the dimension number information of the reference signal from the radio resource control RRC signaling or the dimension number indication bit in DCI. For example, when the value of the dimension number indicating bit received by the mobile station is 0, the mobile station determines that the reference signal is a one-dimensional signal in the horizontal range, and the value of the dimension number indicating bit is When it is 1, the mobile station determines that the reference signal is a two-dimensional signal in a horizontal region and a vertical region. Alternatively, the mobile station can determine the distribution of the reference signal in the vertical region based on the numerical value of the dimension number instruction bit.
- the mobile station determines that the number of sets in the vertical region of the reference signal is 1, and when the dimension number indicating bit is 01, the mobile station When the number of sets in the vertical region of the reference signal is determined to be 2, and when the number-of-dimensions indication bit is 10, the mobile station determines that the number of sets in the vertical region of the reference signal is 3, and the dimension When the number indication bit is 11, the mobile station may determine that the number of sets in the vertical region of the reference signal is 4. Furthermore, the mobile station can also extract the scheme indication bit from the radio resource control RRC signaling or DCI to determine the transmission scheme information of the reference signal.
- the mobile station determines that the reference signal is BF CSI-RS, and when the scheme indication bit is 1, the mobile station determines that the reference signal is NP CSI-RS. You may make it confirm that it is.
- the correspondence relationship between the numerical value of the scheme instruction bit and the transmission scheme of the reference signal is not limited, and it is only necessary that the transmission scheme of the reference signal can be identified using the scheme instruction bit.
- Configuration information is usually transmitted by radio resource control signaling.
- the mobile station can receive configuration information of reference signals corresponding to different antenna ports in the physical resource block.
- RRC signaling or DCI is used to transmit control information, but since its transmission resources are limited, it is possible to reduce occupied transmission resources by reducing the content of mode indication information.
- the mobile station first receives the mode indication information, determines the dimensionality information of the reference signal based on the dimensionality indication bits in the mode indication information (for example, the distribution of the reference signal in the vertical region), and Based on the dimension number information, configuration information corresponding to the dimension number information may be received from the base station.
- some mode instruction information may be implicitly included in the configuration information and transmitted.
- the configuration information list regarding the reference signal may be received from the base station using the radio resource control signaling. Includes one or a plurality of configuration information blocks each having an identification number, and the list related information in the configuration information list is used to indicate the mode instruction information. In this way, it can be ensured that the mobile station can reliably receive each mode indication information and accurately identify its specific contents.
- Mode indication information may be completely included in configuration information and transmitted. Therefore, the mobile station does not receive the mode instruction information from the base station using at least one of radio resource control signaling and downlink control information, and the mode instruction related to the reference signal from the base station as follows: Information and configuration information may be received, i.e., receiving a configuration information list related to the reference signal from a base station, the configuration information list including one or more configuration information blocks each having an identification number; and The list related information in the configuration information list is used to indicate the mode instruction information.
- the configuration information list is the configuration information, and the number of configuration information blocks included in the configuration information list is not limited to 1, and mode instruction information is implicitly included in the configuration information block and transmitted.
- the list related information of the configuration information list includes, for example, at least one of an identification number of the configuration information block, a subframe number where the configuration information list is located, and the number of configuration information blocks in the configuration information list. But it ’s okay.
- the mobile station can determine the transmission scheme information in the mode instruction information based on the identification number of the configuration information block. For example, when the maximum identification number in the composition information list is an odd number, the mobile station may determine that the reference signal is NP CSI-RS, and when the maximum identification number in the configuration information list is an even number. In addition, the mobile station may determine that the reference signal is BF CSI-RS. Alternatively, the mobile station can determine transmission scheme information based on a subframe in which configuration information is located. For example, when the configuration information list is located in subframe 2, the mobile station may determine that the reference signal is NP CSI-RS, and when the configuration information list is located in subframes 4 and 5. In addition, the mobile station may determine that the reference signal is BF CSI-RS.
- the mobile station can determine the dimensionality information in the mode instruction information based on the number of configuration information blocks. Specifically, when one configuration information block is included in the configuration information list, the mobile station determines that there is a reference signal at one vertical height, and two configuration information blocks exist in the configuration information list. When included, the mobile station may determine that there are reference signals at two vertical heights (ie, analogy based on this). Also, the mobile station can determine the dimension information of the reference signal based on the subframe in which the configuration information list is located.
- the mobile station determines that the reference signal is a signal only in the horizontal range, and when the configuration information list is located in subframe 3, the mobile station When the reference signal is a horizontal signal and a vertical signal, and it is determined that there is a reference signal at one vertical height, and the configuration information list is located in subframe 4, the mobile station It is also possible to determine that there is a reference signal at two vertical heights and a signal in the vertical range. Actually, it is possible to instruct one or more of the mode instruction information by comprehensively using each list related information.
- the mobile station After obtaining the mode instruction information and the configuration information in S310, the mobile station receives the reference signal from the base station based on the mode instruction information and the configuration information in S320. Based on the mode indication information and the configuration information, the mobile station can receive each reference signal and identify the corresponding antenna port number.
- the dimensionality information of the reference signal includes a distribution in the vertical region and a horizontal region of the reference signal
- the dimensionality information of the reference signal is received, and a base station is based on the dimensionality information.
- the configuration information corresponding to the dimension number information is received from S, and in S320, reference signals in the vertical and horizontal regions are received based on the configuration information corresponding to the dimension number information.
- the dimension number information can indicate, for example, that the reference signal is a horizontal one-dimensional signal or that the reference signal is a vertical one-dimensional signal. It can also be shown that the signal is a vertical two-dimensional signal.
- the mobile station can identify the distribution of at least one of the horizontal range and the vertical range of the reference signal in S320, and thereby the configuration information corresponding to the distribution of the reference signal in the vertical range. Or configuration information corresponding to the distribution of the reference signal in the horizontal region can be obtained. Therefore, the number of reference signals can be increased, and the number of radio transmission units or the number of mobile stations can be increased accordingly.
- the transmission scheme information in the mode indication information indicates that the reference signal is NP CSI-RS
- using the resource where each reference signal indicated by the configuration information is located unprecoding (NP ) Can be received.
- the transmission scheme information in the mode indication information indicates that the reference signal is BF CSI-RS
- beam forming in different directions is performed using the resource where each reference signal is indicated by the configuration information.
- the received reference signal can be received.
- the transmission scheme information is used to indicate a transmission scheme of the reference signal. Based on the transmission scheme indicated by the transmission scheme information, in S320, an appropriate reception method can be adopted to receive the reference signal.
- the transmission scheme information may further include the reference signal indicating one of a common reference signal and a demodulated reference signal, or the transmission scheme information may further include a reference synchronization signal and a secondary synchronization signal. One of them may be shown.
- the embodiments of the present disclosure do not limit the specific scheme that can be indicated by the transmission scheme information.
- channel state information between the mobile station and the base station can be obtained based on the received reference signal.
- the mobile station Based on the received reference signal corresponding to each antenna port, the mobile station can calculate channel state information of the transmission path from each antenna port to the mobile station.
- the channel state information may be information such as signal scattering, fading due to environment, and fading due to distance.
- Each transmission path may be indicated using an antenna port or may be indicated using a beam identifier. Therefore, the mobile station can estimate the channel environment in the multi-antenna system.
- the mobile station if the base station transmits a reference signal using a different scheme, the mobile station also receives the reference signal using a different scheme, and adopts a different method to determine the channel state. I need to get information.
- the conventional BF CSI-RS beam has a dedicated transmission and processing method
- the conventional NP CSI-RS beam also has a dedicated transmission and processing method. Therefore, in S330, it is necessary to determine whether the reference signal is BF CSI-RS or NP CSI-RS based on the transmission scheme information in the mode indication information.
- the first process is performed on the reference signal to acquire the channel state
- the reference signal is NP CSI-RS
- the second process is performed on the reference signal. Go to get the channel state. The second process is different from the first process.
- the mobile station may perform the following first processing, that is, the mobile station calculates channel state information, antenna port number, etc. corresponding to each reference signal. Then, the optimum reference signal having the optimum channel condition and its antenna port number are determined based on the calculated channel state information. Further, the mobile station can also feed back channel state information corresponding to the optimum reference signal, antenna port number, and the like to the base station.
- the reference signal is NP CSI-RS
- the mobile station may perform the following second processing, that is, the mobile station calculates channel state information, antenna port number, etc. corresponding to each reference signal. Then, it is possible to obtain new comprehensive channel state information by combining the calculated channel state information.
- the mobile station can further feed back information such as the channel state information and the port number to the base station.
- the base station can determine the channel state between each antenna port of the base station and the mobile station, and thus, it can adopt an appropriate method to perform data communication with the mobile station. it can. Therefore, the mobile station can transmit the channel state information to the base station and receive communication data from the base station, and the communication data is transmitted based on the channel state.
- the mobile station can feed back the channel state information corresponding to the optimum reference signal, the antenna port number, etc. to the base station as feedback information, or the mobile station can
- the channel state information of a predetermined number (for example, 3 or 5) of reference signals having a high or low priority may be fed back to the base station, or the channel state information corresponding to all reference signals, The antenna port number or the like may be fed back to the base station.
- the reference signal is NP CSI-RS
- the mobile station can transmit the obtained new comprehensive channel state information to the base station.
- the base station determines and transmits the mode instruction information regarding the reference signal, and the mobile station transmits the reference from the base station based on the mode instruction information.
- Receiving the signal can enhance and expand the processing capability of the reference signal, so that it can control the all-dimensional antenna array and is compatible with the reference signal in different communication modes Transmission and processing can also be performed.
- FIG. 4 is a flowchart of processing of the communication system according to the embodiment of the present disclosure.
- the communication system includes a base station and a mobile station.
- the base station performs the information transmission method described based on FIG.
- the mobile station executes the information processing method described based on FIG.
- the base station determines mode instruction information regarding the reference signal to be transmitted in S210.
- the mode instruction information may include, for example, at least one of reference signal dimension number information and reference signal transmission scheme information.
- S220 ie, S310 in FIG. 3
- the base station transmits to the mobile station the configuration information related to the mode indication information and the reference signal, and the configuration information is a transmission configured for the reference signal. Contains information for indicating a resource.
- the mode instruction information and the configuration information may be transmitted separately, or the mode instruction information may be included in the configuration information and transmitted implicitly.
- S230 that is, S320 in FIG. 3
- the base station transmits a reference signal to the mobile station based on the mode instruction information and the configuration information.
- the mobile station obtains channel state information between the mobile station and the base station based on the received reference signal. Thereafter, the mobile station transmits feedback information including the channel state information to the base station, and the base station performs data communication with the mobile station using an appropriate method based on the received feedback information.
- FIG. 5 is a block diagram of the base station 500 according to an embodiment of the present disclosure.
- the base station 500 corresponds to the base station shown in FIG.
- the base station 500 includes a signal generator 510 and a transmitter 520, and the signal generator 510 generates mode instruction information related to a reference signal to be transmitted and configuration information related to the reference signal, and Used to generate a reference signal to be transmitted based on the mode instruction information and the configuration information, and the configuration information includes information for indicating transmission resources configured for the reference signal, and is transmitted.
- the device 520 transmits the mode instruction information and the configuration information, and is used to transmit the reference signal thereafter.
- the base station 500 may further include other components, for example, components for performing modulation and encoding.
- components for performing modulation and encoding since these components are not directly related to the contents in the embodiment of the present disclosure, illustration and description thereof are omitted here.
- the mode instruction information generated by the signal generator 510 may include at least one of the dimension number information of the reference signal and the transmission scheme information of the reference signal.
- the reference signal may be a two-dimensional signal in a vertical region and a horizontal region, and the dimension number information may include at least one of a distribution in the vertical region and a distribution in a horizontal region of the reference signal.
- the mode instruction information is used to instruct the transmission mode of the reference signal.
- the signal generator 510 may generate dimension number information of the reference signal as mode instruction information. For a reference signal for which the transmission scheme has not been determined, the signal generator 510 may generate reference scheme transmission scheme information and include it in the mode indication information. Based on the dimensionality information, it is possible to identify a distribution in at least one of the horizontal region and the vertical region of the reference signal, thereby obtaining configuration information corresponding to the distribution in the vertical region of the reference signal, Alternatively, configuration information corresponding to the distribution of the reference signal in the horizontal region can be obtained. In this way, the number of reference signals can be increased, and the number of radio transmission units or mobile stations can be increased accordingly.
- the transmission scheme information is used, for example, to indicate whether the reference signal is BF CSI-RS or NP CSI-RS. Note that this is merely an example, and the transmission scheme information may indicate that the reference signal is one of a common reference signal and a demodulated reference signal, or the transmission scheme information is that the reference signal is primary. One of the synchronization signal and the secondary synchronization signal may be indicated. The embodiments of the present disclosure do not limit the specific scheme that can be indicated by the transmission scheme information.
- the signal generator 510 can further generate configuration information regarding the reference signal.
- the configuration information includes information for indicating a transmission resource configured for the reference signal.
- the transmission resource configured for the reference signal may include, for example, at least one of a time resource and a frequency resource for transmitting each reference signal, and an antenna port number corresponding to the reference signal. Alternatively, information such as a beam identifier and the number of antennas may be included.
- the mobile station can receive each reference signal and identify the corresponding antenna port number.
- the signal generator 510 includes the mode indication information in at least one of the radio resource control signaling and the downlink control information of the physical downlink control channel, and
- the configuration information may be included in the radio resource.
- the mode instruction information and the configuration information are transmitted separately, and the mode instruction information is transmitted using dedicated information bits. In other words, the mode instruction information is transmitted by an explicit method.
- the signal generator 510 can indicate the dimension number information of the reference signal by inserting a dimension number indication bit into the radio resource control RRC signaling or DCI.
- the dimensionality indication bit can indicate that the reference signal is a one-dimensional signal or a two-dimensional signal, and can also indicate a distribution of the reference signal in the vertical region.
- the signal generator 510 can indicate the transmission scheme of the reference signal by configuring the scheme indication bit in the radio resource control RRC signaling or DCI. In the communication system, the transmission cycle of RRC signaling is relatively long, and the transmission cycle of downlink control information DCI is relatively short. Therefore, the signal generator 510 can control the transmission of the mode instruction information more flexibly when transmitting the mode instruction information using the downlink control information DCI.
- the signal generator 510 can generate the mode instruction information in an implicit manner without carrying it using dedicated information bits.
- the signal generator 510 can implicitly indicate the mode instruction information by configuration information.
- the signal generator may use a configuration information list related to the reference signal as the configuration information, and may include the configuration information list in the radio resource.
- the generated configuration information is a configuration information list related to the reference signal, and the configuration information list includes one or a plurality of configuration information blocks each having an identification number, and the list related information of the configuration information list Is used to indicate the mode instruction information.
- the list related information of the configuration information list includes, for example, at least one of an identification number of the configuration information block, a subframe number where the configuration information list is located, and the number of configuration information blocks in the configuration information list. But it ’s okay.
- the signal generator 510 can indicate the different transmission schemes of the reference signal using the odd / even characteristic of the maximum identification number in the configuration information list, or The subframe 2 where the configuration information list is located can be used to indicate different transmission schemes of the reference signal, or different distribution schemes of the reference information can be used using different distributions of configuration information blocks in different configuration information lists. Can be instructed.
- the signal generator 510 can further indicate the distribution of the reference signal in the vertical region by using the number of configuration information blocks in the configuration information list, or the subframe in which the configuration information list is located can be used as a reference.
- Signal dimension information can be implicitly indicated. In practice, one or more of the mode instruction information may be instructed by comprehensively using each list related information.
- the signal generator 510 can further indicate the mode instruction information by combining the implicit method and the explicit method. This enhances the transmission of mode indication information and can ensure that the mobile station can reliably receive and that the specific content can be accurately identified.
- the signal generator 510 may configure the configuration information list to be transmitted in one CSI process and may transmit the configuration information list in a different CSI process. In the embodiment of the present disclosure, the process that can transmit the configuration information list is not limited.
- the transmitter 520 can transmit the mode instruction information and the configuration information, and can transmit the reference signal thereafter. For example, when the transmission scheme information in the mode indication information indicates that the reference signal is NP CSI-RS, the transmitter 520 does not perform precoding and transmits each reference signal indicated by the configuration information. Each reference signal can be transmitted according to the resource located. When the transmission scheme information in the mode indication information indicates that the reference signal is BF CSI-RS, the transmitter 520 performs precoding and the location of each reference signal indicated by the configuration information. Each reference signal can be transmitted according to the resource to be used. When the reference signal is indicated as a horizontal signal by the dimension number information in the mode indication information, the transmitter 520 transmits each reference signal indicated by the configuration information with each azimuth angle in the horizontal region.
- Each reference signal can be transmitted based on the resource in which the Further, when the reference signal is indicated as a signal in the horizontal region and the vertical region by the dimension number information in the mode indication information, the transmitter 520 corresponds to the corresponding azimuth angle and vertical region in the horizontal region. With the elevation angle, each reference signal can be transmitted based on the resource where each reference signal is indicated by the configuration information.
- the mobile station can calculate channel state information corresponding to the transmission path of the reference signal.
- the mobile station can feed back information such as the channel state information and the port number to the base station.
- the base station 500 may further include a receiver 530 (as shown by the dotted line in FIG. 5).
- the receiver 530 receives feedback information from the mobile station, and the feedback information includes channel state information obtained by the mobile station based on the reference signal.
- the signal generator 510 generates communication data for the mobile station based on the feedback information, and the transmitter 520 transmits the communication data to the mobile station.
- the signal generator 510 can determine the channel state between each antenna port of the base station and the mobile station based on the feedback information, thereby adopting an appropriate method to adopt the mobile station. Data can be generated and transmitted to the transmitter 520.
- the signal generator 510 may be realized by a storage device and a controller.
- the storage device stores a computer program, and the controller implements the processing of the signal generator 510 by executing the computer program. can do.
- Transmitter 520 may be implemented with an antenna and corresponding RF circuitry and transmits the signal generated by generator 510.
- the receiver 530 can be implemented using an antenna and a corresponding RF circuit, and can receive a signal from a mobile station and provide it to the signal generator 510 for processing.
- the reference signal is generated by generating the mode instruction information related to the reference signal and transmitting the reference signal to the mobile station based on the mode instruction information.
- the processing capability can be increased and expanded, so that it is possible to control a two-dimensional antenna array and to perform compatible transmission and processing for reference signals in different communication modes. .
- FIG. 6 is a block diagram of the mobile station 600 in the embodiment of the present disclosure.
- the mobile station 600 corresponds to a mobile station as shown in FIG.
- the mobile station 600 includes a receiver 610 and a processor 620.
- the receiver 610 receives mode indication information of a reference signal to be transmitted and configuration information related to the reference signal from the base station. In addition, it is used to receive the reference signal from the base station based on the mode indication information and the configuration information, and the configuration information is used to indicate a transmission resource configured for the reference signal.
- the processor 620 is used to obtain channel state information between the mobile station and the base station based on the received reference signal.
- the receiver 610 receives the mode indication information and configuration information of the reference signal from the base station.
- the mode instruction information is used to indicate a transmission mode of the reference signal, and may include at least one of dimension information of the reference signal and transmission scheme information of the reference signal, for example. In practice, it can be selected appropriately according to the needs.
- the dimension information of the reference signal may include at least one of a distribution in the vertical region and a branch in the horizontal region of the reference signal.
- the receiver 610 may receive configuration information corresponding to the dimension number information from the base station based on the dimension number information.
- the reference signal in the vertical region and the horizontal region can be received based on the configuration information corresponding to the dimension information.
- the receiver 610 can further determine whether the reference signal is BF CSI-RS or NP CSI-RS based on the mode instruction information.
- the configuration information received by the receiver 610 is used to indicate transmission resources configured for the reference signal.
- the information on the transmission resource configured for the reference signal may include, for example, at least one of a time resource and a frequency resource for transmitting each reference signal, and an antenna corresponding to the reference signal. Information such as a port number or beam identifier and the number of antennas may be included.
- the receiver 610 can receive the mode instruction information and the configuration information by a corresponding reception method. Specifically, when the base station transmits the mode instruction information and the configuration information separately, the receiver 610 also receives and processes the mode instruction information and the configuration information separately; or When the mode instruction information is implicitly included in the configuration information, the receiver 610 receives the configuration information and obtains the mode instruction information from the configuration information. In the embodiment of the present disclosure, a specific method for the receiver 610 to receive the mode instruction information and the configuration information is not limited.
- the receiver 610 can receive the mode indication information from a base station using at least one of radio resource control signaling and downlink control information of a physical downlink control channel, and can receive the radio resource control.
- the configuration information can be received using signaling.
- the mode indication information is explicitly indicated by a dedicated control bit, and the receiver 610 receives the mode indication information and the configuration information separately.
- the receiver 610 can obtain the dimension number information of the reference signal from the radio resource control RRC signaling or the dimension number indication bit in the DCI, and also extracts the scheme indication bit from the radio resource control RRC signaling or the DCI.
- the transmission scheme information of the reference signal can be determined.
- Configuration information is usually transmitted by radio resource control signaling.
- the receiver 610 can receive configuration information of reference signals corresponding to different antenna ports in the physical resource block.
- RRC signaling or DCI is used to transmit control information, but its transmission resources are limited. Therefore, it is possible to reduce the transmission resources to be occupied by reducing the contents of the mode instruction information.
- the receiver 610 first receives the mode indication information, determines the dimension number information of the reference signal (eg, distribution in the vertical range of the reference signal) based on the dimension number indication bits in the mode indication information, and Based on the dimension number information, configuration information corresponding to the dimension number information can be received from the base station.
- the base station may implicitly include some mode instruction information in the configuration information and transmit it.
- the receiver 610 can receive a configuration information list related to the reference signal from the base station using the radio resource control signaling, and the configuration information list can be one or more having an identification number.
- the list related information of the configuration information list including a plurality of configuration information blocks is used to indicate the mode instruction information.
- the list related information may include at least one of the identification number, the subframe number where the configuration information list is located, and the number of configuration information in the configuration information list. In this way, it can be ensured that the receiver 610 can reliably receive each mode instruction information and accurately identify the specific contents thereof.
- the mode instruction information may be transmitted completely included in the configuration information.
- the mobile station does not receive the mode instruction information using at least one of radio resource control signaling and downlink control information, and the mode instruction information and configuration regarding the reference signal from the base station as follows:
- Information can be received, that is, a configuration information list related to the reference signal is received from a base station, the configuration information list including one or more configuration information blocks each having an identification number, and the configuration information
- the list related information of the list is used to indicate the mode instruction information.
- the configuration information list is the configuration information, the number of configuration information blocks included in the configuration information list is not limited to 1, and the mode instruction information is implicitly included in the configuration information block and transmitted.
- the list related information of the configuration information list includes, for example, at least one of an identification number of the configuration information block, a subframe number where the configuration information list is located, and the number of configuration information blocks in the configuration information list. But it ’s okay.
- the receiver 610 receives the dimensionality information of the reference signal, and receives from the base station based on the dimensionality information.
- Configuration information corresponding to the dimensionality information can be received, and reference signals in the vertical and horizontal regions can be received based on the configuration information corresponding to the dimensionality information.
- the receiver 610 can identify the distribution of the reference signal in at least one of the horizontal region and the vertical region, thereby increasing the number of reference signals, and Correspondingly, the number of radio transmission units or the number of mobile stations can be increased.
- the receiver 610 can further receive the reference signal using an appropriate method based on the transmission scheme indicated by the transmission scheme information. In addition, in the Example of this indication, it does not limit about the specific scheme which can be shown with this transmission scheme information.
- the processor 620 can obtain channel state information between the mobile station and the base station based on the received reference signal. Based on the received reference signal corresponding to each antenna port, the processor 620 can calculate channel state information of the transmission path from each antenna port to the mobile station.
- the channel state information may be information such as signal scattering, fading due to environment, and fading due to distance.
- Each transmission path may be indicated using an antenna port or may be indicated using a beam identifier. Therefore, the processor 620 can estimate the channel environment in the multi-antenna system.
- the processor 620 needs to obtain channel state information by adopting different methods.
- a conventional BF CSI-RS beam has a dedicated transmission and processing method
- a conventional NP CSI-RS beam also has a dedicated transmission and processing method.
- the processor 620 determines whether the reference signal is BF CSI-RS or NP CSI-RS based on the transmission scheme information in the mode indication information, and the reference signal is If it is BF CSI-RS, the first processing is performed on the reference signal to acquire the channel state. If the reference signal is NP CSI-RS, the second processing is performed on the reference signal. Thus, the channel state can be acquired.
- the second process is different from the first process.
- the processor 620 may perform the following first process, that is, the mobile station obtains channel state information, antenna port number, etc. corresponding to each reference signal. Based on the calculated channel state information, the optimal reference signal having the optimal channel condition and its antenna port number can be determined.
- the processor 620 may perform the following second processing, that is, the mobile station obtains channel state information, antenna port number, etc. corresponding to each reference signal. Each channel state information being calculated can be combined and new comprehensive channel state information can be obtained.
- the mobile station 600 may further include a transmitter 630 as shown by a dotted line in FIG.
- the transmitter 630 can feed back information such as channel state information and a port number to the base station.
- the base station can determine the channel state between each antenna port of the base station and the mobile station, thereby adopting an appropriate method to perform data communication with the mobile station. be able to.
- the receiver 610 receives communication data from the base station, and the communication data is transmitted by the base station based on the channel state.
- the transmitter 630 can feed back the channel state information corresponding to the optimum reference signal, the antenna port number, etc. as feedback information to the base station, or the transmitter 630 Channel state information, antenna port numbers, etc. of a predetermined number (for example, 3 or 5) of reference signals with high or low channel condition priority can be fed back to the base station, or the transmitter 630 can transmit all references. Channel state information corresponding to the signal, antenna port number, and the like can be fed back to the base station.
- the reference signal is NP CSI-RS
- the transmitter 630 can transmit the obtained new comprehensive channel state information to the base station.
- the receiver 610 may be realized by an antenna and a corresponding RF circuit.
- the receiver 610 can receive a signal from a base station, extract information, and provide the processor 620 for processing.
- the transmitter 630 may be realized by an antenna and corresponding RF circuit, and can receive a feedback signal from the processor 620 and transmit it to the base station.
- the processing capability to the reference signal is received by receiving the mode indication information of the reference signal and receiving the reference signal from the base station based on the mode indication information.
- the full-dimensional antenna array be controlled, but also compatible transmission and processing can be performed for reference signals in different communication modes.
- each functional block is realized by one device physically and / or logically coupled, and two or more devices physically and / or logically separated may be directly and / or indirectly. (For example, wired and / or wireless) and may be realized by these plural devices.
- a base station, a mobile station, etc. in one embodiment of the present invention may function as a computer that performs processing of the information transmission method or information processing method of the present invention.
- FIG. 7 is a diagram illustrating an example of a hardware configuration of a base station and a mobile station according to an embodiment of the present disclosure.
- the base station 500 and the mobile station 600 described above may be physically configured as a computer device including a processor 1001, a memory 1002, a storage 1003, a communication device 1004, an input device 1005, an output device 1006, a bus 1007, and the like. .
- the term “apparatus” can be read as a circuit, a device, a unit, or the like.
- the hardware configuration of the base station 500 and the mobile station 600 may be configured to include one or a plurality of the devices illustrated in the figure, or may be configured not to include some devices.
- Each function in the base station 500 and the mobile station 600 is obtained by reading predetermined software (program) on hardware such as the processor 1001 and the memory 1002, so that the processor 1001 performs computation, communication by the communication device 1004, and memory 1002 In addition, it is realized by controlling the reading and / or writing of data in the storage 1003.
- the processor 1001 controls the entire computer by operating an operating system, for example.
- the processor 1001 may be configured by a central processing unit (CPU) including an interface with peripheral devices, a control device, an arithmetic device, a register, and the like.
- CPU central processing unit
- the signal generator 510, the processor 620, and the like described above may be realized by the processor 1001.
- the processor 1001 reads a program (program code), software module and / or data from the storage 1003 and / or the communication device 1004 to the memory 1002, and executes various processes according to these.
- a program program that causes a computer to execute at least a part of the operations described in the above embodiments is used.
- the signal generator 510 of the base station 500 or the processor 620 of the mobile station 600 may be realized by a control program stored in the memory 1002 and operated by the processor 1001, and may be realized similarly for other functional blocks. May be.
- the above-described various processes have been described as being executed by one processor 1001, they may be executed simultaneously or sequentially by two or more processors 1001.
- the processor 1001 may be implemented with one or more chips. Note that the program may be transmitted from a network via a telecommunication line.
- the memory 1002 is a computer-readable recording medium, and includes, for example, at least one of ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electrically Erasable Programmable ROM), RAM (Random Access Memory), etc. May be.
- the memory 1002 may be called a register, a cache, a main memory (main storage device), or the like.
- the memory 1002 can store a program (program code), a software module, and the like that can be executed to implement the information transmission method or the information processing method according to an embodiment of the present invention.
- the storage 1003 is a computer-readable recording medium, such as an optical disk such as a CD-ROM (Compact Disc ROM), a hard disk drive, a flexible disk, a magneto-optical disk (for example, a compact disk, a digital versatile disk, a Blu-ray). (Registered trademark) disk, smart card, flash memory (for example, card, stick, key drive), floppy (registered trademark) disk, magnetic strip, and the like.
- the storage 1003 may be referred to as an auxiliary storage device.
- the storage medium described above may be, for example, a database, a server, or other suitable medium including the memory 1002 and / or the storage 1003.
- the communication device 1004 is hardware (transmission / reception device) for performing communication between computers via a wired and / or wireless network, and is also referred to as a network device, a network controller, a network card, a communication module, or the like.
- a network device a network controller, a network card, a communication module, or the like.
- the above-described transmitter 520, receiver 530, receiver 610, transmitter 630, and the like may be realized by the communication device 1004.
- the input device 1005 is an input device (for example, a keyboard, a mouse, a microphone, a switch, a button, a sensor, etc.) that accepts an input from the outside.
- the output device 1006 is an output device (for example, a display, a speaker, an LED lamp, or the like) that performs output to the outside. Note that the input device 1005 and the output device 1006 may have an integrated configuration (for example, a touch panel).
- each device such as the processor 1001 and the memory 1002 is connected by a bus 1007 for communicating information.
- the bus 1007 may be configured with a single bus or may be configured with different buses between apparatuses.
- the base station 500 and the mobile station 600 include a microprocessor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a programmable logic device (PLD), and a field programmable gate array (FPGA). Hardware may be configured, and a part or all of each functional block may be realized by the hardware. For example, the processor 1001 may be implemented with at least one of these hardware.
- DSP digital signal processor
- ASIC application specific integrated circuit
- PLD programmable logic device
- FPGA field programmable gate array
- each method according to the embodiment of the present disclosure may be realized by software. Therefore, the embodiment of the present disclosure also provides such a computer-readable program, that is, when the program is executed by a computer, the computer can realize the above-described methods. Furthermore, the embodiments of the present disclosure also provide a computer-readable storage medium for storing the above-described program, for example, a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, and the like.
- software, instructions, etc. may be transmitted / received via a transmission medium.
- software may use websites, servers, or other devices using wired technology such as coaxial cable, fiber optic cable, twisted pair and digital subscriber line (DSL) and / or wireless technology such as infrared, wireless and microwave.
- wired technology such as coaxial cable, fiber optic cable, twisted pair and digital subscriber line (DSL) and / or wireless technology such as infrared, wireless and microwave.
- DSL digital subscriber line
- wireless technology such as infrared, wireless and microwave.
- the channel and / or symbol may be a signal.
- the signal may be a message.
- the component carrier (CC) may be called a carrier frequency, a cell, or the like.
- information, parameters, and the like described in this specification may be represented by absolute values, may be represented by relative values from a predetermined value, or may be represented by other corresponding information.
- the radio resource may be indicated by an index.
- information notification includes physical layer signaling (eg, DCI (Downlink Control Information), UCI (Uplink Control Information)), higher layer signaling (eg, RRC (Radio Resource Control) signaling, MAC (Medium Access Control) signaling), It may be implemented by broadcast information (MIB (Master Information Block), SIB (System Information Block))), other signals, or a combination thereof.
- RRC signaling may be referred to as an RRC message, and may be, for example, an RRC connection setup (RRC Connection Setup) message, an RRC connection reconfiguration (RRC Connection Reconfiguration) message, or the like.
- Each aspect / example described in this specification includes LTE (Long Term Evolution), LTE-A (LTE-Advanced), SUPER 3G, IMT-Advanced, 4G, 5G, FRA (Future Radio Access), W-CDMA.
- LTE Long Term Evolution
- LTE-A Long Term Evolution-Advanced
- SUPER 3G IMT-Advanced
- 4G 5G
- FRA Full Radio Access
- W-CDMA Wideband
- GSM registered trademark
- CDMA2000 Code Division Multiple Access 2000
- UMB User Mobile Broadband
- IEEE 802.11 Wi-Fi
- IEEE 802.16 WiMAX
- IEEE 802.120 UWB (Ultra-WideBand
- Bluetooth registered trademark
- the present invention may be applied to a system using another appropriate system and / or a next-generation system extended based on the system.
- the specific operation assumed to be performed by the base station in the present specification may be performed by the upper node in some cases.
- various operations performed for communication with a mobile station may be performed by a base station and / or other network nodes other than the base station (e.g., Obviously, it can be performed by, but not limited to, MME or S-GW.
- MME Mobility Management Entity
- S-GW Serving Mobility Management Entity
- Information etc. can be output from the upper layer (or lower layer) to the lower layer (or upper layer). Input / output may be performed via a plurality of network nodes.
- the input / output information or the like may be stored in a specific location (for example, a memory) or may be managed by a management table. Input / output information and the like can be overwritten, updated, or additionally written. The output information or the like may be deleted. The input information or the like may be transmitted to another device.
- the determination may be performed by a value represented by 1 bit (0 or 1), may be performed by a true / false value (Boolean: true or false), or may be performed by comparing numerical values (for example, a predetermined value) Comparison with the value).
- determining may encompass a wide variety of actions.
- “Judgment”, “decision” can be, for example, calculating, computing, processing, deriving, investigating, looking up (eg, table, database or another (Searching in the data structure), and confirming (ascertaining) what has been confirmed may be considered as “determining” or “determining”.
- “determination” and “determination” include receiving (for example, receiving information), transmitting (for example, transmitting information), input (input), output (output), and access. (accessing) (e.g., accessing data in a memory) may be considered as “determined” or "determined”.
- determination and “decision” means that “resolving”, “selecting”, “choosing”, “establishing”, and “comparing” are regarded as “determining” and “deciding”. May be included. In other words, “determination” and “determination” may include considering some operation as “determination” and “determination”.
- connection means any direct or indirect connection or coupling between two or more elements and It can include the presence of one or more intermediate elements between two “connected” or “coupled” elements.
- the coupling or connection between the elements may be physical, logical, or a combination thereof.
- the two elements are radio frequency by using one or more wires, cables and / or printed electrical connections, and as some non-limiting and non-inclusive examples
- electromagnetic energy such as electromagnetic energy having a wavelength in the region, microwave region, and light (both visible and invisible) region, it can be considered to be “connected” or “coupled” to each other.
- the phrase “based on” does not mean “based only on”, unless expressly specified otherwise. In other words, the phrase “based on” means both “based only on” and “based at least on.”
- any reference to elements using designations such as “first”, “second”, etc. as used herein does not generally limit the amount or order of those elements. These designations can be used herein as a convenient way to distinguish between two or more elements. Thus, a reference to the first and second elements does not mean that only two elements can be employed there, or that in some way the first element must precede the second element.
- notification of predetermined information is not limited to explicitly performed, but is performed implicitly (for example, notification of the predetermined information is not performed). Also good.
- this indication is not limited to this embodiment, and unless it leaves the meaning of this indication, every change to this indication belongs to the technical scope of this indication.
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Abstract
Description
なお、上記実施例の説明に用いたブロック図は、機能単位のブロックを示している。これらの機能ブロック(構成部)は、ハードウェア及び/又はソフトウェアの任意の組み合わせによって実現される。また、各機能ブロックの実現手段は特に限定されない。すなわち、各機能ブロックは、物理的及び/又は論理的に結合した1つの装置により実現されてもよいし、物理的及び/又は論理的に分離した2つ以上の装置を直接的及び/又は間接的に(例えば、有線及び/又は無線)で接続し、これら複数の装置により実現されてもよい。
また、本開示の実施例による各方法は、ソフトウェアにより実現されても良い。そのため、本開示の実施例ではこのようなコンピュータ可読プログラムも提供し、即ち、前記プログラムは、コンピュータにより実行されるときに、前記コンピュータに、上述の各方法を実現させることができる。さらに、本開示の実施例では上述のプログラムを記憶するためのコンピュータ可読記憶媒体、例えば、ハードディスク、磁気ディスク、光ディスク、DVD、フラッシュメモリなども提供する。
Claims (9)
- 基地局に用いる情報伝送方法であって、
送信するリファレンス信号に関するモード指示情報を確定し;
移動局に、前記モード指示情報を送信し;及び
前記モード指示情報に基づいて、前記移動局に前記リファレンス信号を送信することを含む、情報伝送方法。 - 移動局に用いる情報処理方法であって、
基地局から、送信されるリファレンス信号に関するモード指示情報を受信し;
前記モード指示情報に基づいて、前記基地局から前記リファレンス信号を受信し;及び
受信されたリファレンス信号に基づいて、前記移動局と前記基地局との間のチャネル状態情報を得ることを含む、情報処理方法。 - 基地局であって、
送信するリファレンス信号に関するモード指示情報を生成し、また、前記モード指示情報に基づいて、送信するリファレンス信号を生成するための信号発生器;及び
前記モード指示情報を送信し、また、前記リファレンス信号を送信するための送信器を含む、基地局。 - 移動局であって、
基地局から、送信されるリファレンス信号に関するモード指示情報を受信し、また、前記モード指示情報に基づいて、前記基地局から前記リファレンス信号を受信するための受信器;及び
受信されたリファレンス信号に基づいて、前記移動局と前記基地局との間のチャネル状態情報を得るための処理器を含む、移動局。 - 請求項4に記載の移動局であって、
前記受信器は、前記基地局から、前記リファレンス信号の次元数情報及び前記リファレンス信号の送信スキーム情報のうちの少なくとも1つを前記モード指示情報として受信する、移動局。 - 請求項5に記載の移動局であって、
前記送信スキーム情報は、前記リファレンス信号がBF CSI-RSであるか、それとも、NP CSI-RSであるかを示すために用いられ、
前記モード指示情報が前記送信スキーム情報を含む場合、前記処理器は、
前記送信スキーム情報に基づいて、前記リファレンス信号がBF CSI-RSであるか、それとも、NP CSI-RSであるかを判断し;
前記リファレンス信号がBF CSI-RSであるときに、前記リファレンス信号に対して第一処理を行って前記チャネル状態情報を取得し;
前記リファレンス信号がNP CSI-RSであるときに、前記リファレンス信号に対して第二処理を行って前記チャネル状態情報を取得するように構成され、
前記第二処理は、前記第一処理と異なる、移動局。 - 請求項4乃至6のうちいずれか1項に記載の移動局であって、
前記受信器は、無線リソース制御シグナリングにより、前記基地局から、前記リファレンス信号に関する構成情報リストを受信し、前記構成情報リストは、それぞれ識別番号を有する1つ又は複数の構成情報ブロックを含む、移動局。 - 請求項4乃至7のうちいずれか1項に記載の移動局であって、
前記受信されたリファレンス信号の中から選択された少なくとも1つのリファレンス信号を示すフィードバック情報を前記基地局に送信するための送信器を更に含む、移動局。 - 請求項8に記載の移動局であって、
前記処理器は、前記選択された少なくとも1つのリファレンス信号に基づいて、前記移動局と前記基地局との間のチャネル状態情報を取得し;
前記送信器は、前記チャネル状態情報を前記基地局に送信する、移動局。
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| EP16835152.6A EP3337064A4 (en) | 2015-08-13 | 2016-08-08 | Information transmission method, information processing method, base station, and mobile station |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018196540A1 (zh) * | 2017-04-26 | 2018-11-01 | 电信科学技术研究院有限公司 | 一种信号处理方法及装置 |
| CN109150452A (zh) * | 2017-06-16 | 2019-01-04 | 电信科学技术研究院 | 一种指示导频预编码方式的方法、网络侧设备及终端 |
| JP2021517766A (ja) * | 2018-03-16 | 2021-07-26 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | デバイスツーデバイス通信のための技法 |
| JP2022046663A (ja) * | 2017-03-24 | 2022-03-23 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 通信方法およびデバイス |
| US11425759B2 (en) | 2018-02-07 | 2022-08-23 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for link reconfiguration and terminal device |
| CN115987355A (zh) * | 2017-11-15 | 2023-04-18 | 上海朗帛通信技术有限公司 | 一种被用于无线通信的用户设备、基站中的方法和装置 |
| US11751239B2 (en) | 2018-02-14 | 2023-09-05 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Wireless communication method and device |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10425139B2 (en) | 2016-09-21 | 2019-09-24 | Samsung Electronics Co., Ltd. | Method and apparatus for beam management reference signals in wireless communication systems |
| US10154496B2 (en) * | 2016-11-10 | 2018-12-11 | Futurewei Technologies, Inc. | System and method for beamformed reference signals in three dimensional multiple input multiple output communications systems |
| US10833822B2 (en) * | 2017-04-24 | 2020-11-10 | Huawei Technologies Co., Ltd. | System and method for MA signature assignment based on UE group separation |
| US10887939B2 (en) | 2017-08-10 | 2021-01-05 | Comcast Cable Communications, Llc | Transmission power control for beam failure recovery requests |
| US10855359B2 (en) | 2017-08-10 | 2020-12-01 | Comcast Cable Communications, Llc | Priority of beam failure recovery request and uplink channels |
| US11337265B2 (en) | 2017-08-10 | 2022-05-17 | Comcast Cable Communications, Llc | Beam failure recovery request transmission |
| US11950287B2 (en) * | 2017-08-10 | 2024-04-02 | Comcast Cable Communications, Llc | Resource configuration of beam failure recovery request transmission |
| CN108988916B (zh) * | 2017-08-11 | 2019-08-06 | 电信科学技术研究院有限公司 | 一种波束训练方法及装置、通信系统 |
| US10834689B2 (en) * | 2017-08-15 | 2020-11-10 | At&T Intellectual Property I, L.P. | Base station wireless channel sounding |
| US10340996B1 (en) | 2018-03-06 | 2019-07-02 | Verizon Patent And Licensing Inc. | System and method for antenna array control and coverage mapping |
| KR102552745B1 (ko) | 2018-07-19 | 2023-07-06 | 주식회사 엘엑스세미콘 | 터치구동장치 및 디스플레이장치 |
| KR102610819B1 (ko) * | 2018-08-10 | 2023-12-07 | 주식회사 엘엑스세미콘 | 터치구동장치 및 디스플레이장치 |
| US12126421B2 (en) * | 2020-03-30 | 2024-10-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Beam management procedures for network nodes and terminal devices |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014053811A (ja) * | 2012-09-07 | 2014-03-20 | Ntt Docomo Inc | 無線通信方法、ユーザ端末、無線基地局及び無線通信システム |
| JP2015126412A (ja) * | 2013-12-26 | 2015-07-06 | 株式会社Nttドコモ | ユーザ端末、無線基地局及び無線通信方法 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101809891A (zh) * | 2007-10-01 | 2010-08-18 | 株式会社Ntt都科摩 | 基站装置、发送方法、移动台装置和接收方法 |
| KR101715397B1 (ko) * | 2009-04-22 | 2017-03-13 | 엘지전자 주식회사 | 무선 통신 시스템에서 참조신호 전송 장치 및 방법 |
| US10218481B2 (en) * | 2009-04-22 | 2019-02-26 | Lg Electronics Inc. | Apparatus and method for transmitting a reference signal in a wireless communication system |
| US9014025B2 (en) * | 2010-10-04 | 2015-04-21 | Futurewei Technologies, Inc. | System and method for coordinating different types of base stations in a heterogeneous communications system |
| CN102684850B (zh) | 2011-03-11 | 2017-07-04 | 夏普株式会社 | 信道状态信息反馈方法、用户设备和基站 |
| JP5801093B2 (ja) * | 2011-04-27 | 2015-10-28 | シャープ株式会社 | 基地局、端末、通信システムおよび通信方法 |
| JP5961853B2 (ja) * | 2011-04-27 | 2016-08-02 | シャープ株式会社 | 端末、基地局、通信システムおよび通信方法 |
| CN102843209B (zh) * | 2011-06-22 | 2015-09-30 | 华为技术有限公司 | 传输控制信令的方法和装置 |
| US9084238B2 (en) * | 2011-09-12 | 2015-07-14 | Blackberry Limited | Searching space and operation for enhanced PDCCH in LTE systems |
| CN107257275B (zh) * | 2012-01-27 | 2021-03-16 | 交互数字专利控股公司 | 由WTRU执行的用于ePDCCH的方法、WTRU、搜索空间监视方法和UE |
| US9215058B2 (en) * | 2012-03-06 | 2015-12-15 | Blackberry Limited | Enhanced PHICH transmission for LTE-advanced |
| JP6399728B2 (ja) * | 2012-03-15 | 2018-10-03 | シャープ株式会社 | 基地局装置、端末装置、通信方法および集積回路 |
| CN104396160B (zh) * | 2012-06-24 | 2017-11-21 | Lg电子株式会社 | 在无线通信系统中报告信道状态信息的方法和装置 |
| US9248506B2 (en) * | 2013-07-25 | 2016-02-02 | Feng-Tien Chen | Tool shank |
-
2016
- 2016-08-08 JP JP2017534449A patent/JP6343719B2/ja active Active
- 2016-08-08 US US15/571,518 patent/US10341073B2/en active Active
- 2016-08-08 WO PCT/JP2016/073336 patent/WO2017026455A1/ja not_active Ceased
- 2016-08-08 CN CN201680032449.3A patent/CN107636991B/zh active Active
- 2016-08-08 EP EP16835152.6A patent/EP3337064A4/en not_active Withdrawn
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2014053811A (ja) * | 2012-09-07 | 2014-03-20 | Ntt Docomo Inc | 無線通信方法、ユーザ端末、無線基地局及び無線通信システム |
| JP2015126412A (ja) * | 2013-12-26 | 2015-07-06 | 株式会社Nttドコモ | ユーザ端末、無線基地局及び無線通信方法 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP3337064A4 * |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US12262238B2 (en) | 2017-03-24 | 2025-03-25 | Huawei Technologies Co., Ltd. | Communication method and device |
| JP2022046663A (ja) * | 2017-03-24 | 2022-03-23 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 通信方法およびデバイス |
| JP7616984B2 (ja) | 2017-03-24 | 2025-01-17 | ホアウェイ・テクノロジーズ・カンパニー・リミテッド | 通信方法およびデバイス |
| CN108809474A (zh) * | 2017-04-26 | 2018-11-13 | 电信科学技术研究院 | 一种信号处理方法及装置 |
| US11316634B2 (en) | 2017-04-26 | 2022-04-26 | Datang Mobile Communications Equipment Co., Ltd. | Signal processing method and device |
| WO2018196540A1 (zh) * | 2017-04-26 | 2018-11-01 | 电信科学技术研究院有限公司 | 一种信号处理方法及装置 |
| CN109150452A (zh) * | 2017-06-16 | 2019-01-04 | 电信科学技术研究院 | 一种指示导频预编码方式的方法、网络侧设备及终端 |
| CN109150452B (zh) * | 2017-06-16 | 2021-03-09 | 电信科学技术研究院 | 一种指示导频预编码方式的方法、网络侧设备及终端 |
| US11063650B2 (en) | 2017-06-16 | 2021-07-13 | China Academy Of Telecommunications Technology | Method, network side device and terminal for indicating pilot precoding mode |
| CN115987355A (zh) * | 2017-11-15 | 2023-04-18 | 上海朗帛通信技术有限公司 | 一种被用于无线通信的用户设备、基站中的方法和装置 |
| US11425759B2 (en) | 2018-02-07 | 2022-08-23 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for link reconfiguration and terminal device |
| US11751239B2 (en) | 2018-02-14 | 2023-09-05 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Wireless communication method and device |
| US11483861B2 (en) | 2018-03-16 | 2022-10-25 | Telefonaktiebolaget Lm Ericsson (Publ) | Technique for device-to-device communication based on radio signals received from one or more radio sources |
| US12058732B2 (en) | 2018-03-16 | 2024-08-06 | Telefonaktiebolaget Lm Ericsson (Publ) | Technique for device-to-device communication based on radio signals received from one or more radio sources |
| JP7097455B2 (ja) | 2018-03-16 | 2022-07-07 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | デバイスツーデバイス通信のための技法 |
| JP2021517766A (ja) * | 2018-03-16 | 2021-07-26 | テレフオンアクチーボラゲット エルエム エリクソン(パブル) | デバイスツーデバイス通信のための技法 |
| US12574959B2 (en) | 2018-03-16 | 2026-03-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Technique for device-to-device communication based on radio signals received from one or more radio sources |
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| JP6343719B2 (ja) | 2018-06-13 |
| US10341073B2 (en) | 2019-07-02 |
| EP3337064A1 (en) | 2018-06-20 |
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| CN107636991A (zh) | 2018-01-26 |
| US20180145807A1 (en) | 2018-05-24 |
| EP3337064A4 (en) | 2018-08-22 |
| JPWO2017026455A1 (ja) | 2018-03-15 |
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