WO2011057576A1 - Procédé pour configurer des signaux de référence de sondage - Google Patents

Procédé pour configurer des signaux de référence de sondage Download PDF

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Publication number
WO2011057576A1
WO2011057576A1 PCT/CN2010/078677 CN2010078677W WO2011057576A1 WO 2011057576 A1 WO2011057576 A1 WO 2011057576A1 CN 2010078677 W CN2010078677 W CN 2010078677W WO 2011057576 A1 WO2011057576 A1 WO 2011057576A1
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Prior art keywords
cell
srs
configuration
coordinated
srs subframe
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PCT/CN2010/078677
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English (en)
Chinese (zh)
Inventor
赵振山
潘瑜
池连刚
赵爽
彭木根
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普天信息技术研究院有限公司
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Publication of WO2011057576A1 publication Critical patent/WO2011057576A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H04L5/0035—Resource allocation in a cooperative multipoint environment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0058—Allocation criteria
    • H04L5/0062—Avoidance of ingress interference, e.g. ham radio channels

Definitions

  • the present invention relates to transmission techniques in mobile communication systems, and more particularly to sounding reference signals
  • LTE Long Term Evolution
  • 3GPP Third Generation Partnership Project
  • LTE replaces the third-generation mobile communication system (3G) code division multiple access (CDMA) method with frequency division multiple access (OFDM/FDMA) in the air interface. Reducing latency, increasing user data rates, improving system capacity, and covering and reducing operator costs are important goals for LTE.
  • 3G third-generation mobile communication system
  • CDMA code division multiple access
  • OFDM/FDMA frequency division multiple access
  • the Long Term Evolution-Advanced (LTE-A) system proposes the use of Coordinated Multi-Point (CoMP) transmission to improve the coverage of the high data rate of the cell, the cell edge throughput and / or improve system throughput.
  • CoMP Coordinated Multi-Point
  • the principle of CoMP is mainly to reduce interference between cells by joint processing or coordinated scheduling of multiple cells.
  • the Reference Signal is a known signal that is provided by the transmitting end to the receiving end for channel estimation or channel sounding.
  • SRS is used for uplink channel estimation to implement uplink frequency domain scheduling.
  • the SRS in the data transmission bandwidth of the user equipment can be used for data demodulation, and the SRS also helps the timing of the UE in narrowband or low frequency uplink transmission.
  • CoMP users Not only the SRS needs to be sent to the serving cell, but also the SRS needs to be sent to the coordinated cell.
  • the subframe position for the user to send the SRS is as follows:
  • Each cell has a dedicated SRS sequence group, and the subframe in which the user sends the SRS in each cell passes the cell carried by the cell exclusive broadcast signaling.
  • the dedicated parameters namely the SRS sub-frame configuration parameter ( srsSubframeConfiguration ), are configured, and each cell independently configures its own SRS subframe configuration parameters.
  • the SRS subframe configuration parameters have 16 configurations (that is, 16 values), each configuration is indicated by 4 bits, and each configuration corresponds to one subframe set, and the subframe included in each seed frame set is performed by the period and the offset ⁇ .
  • the set of subframes included in each seed frame set may be expressed by the formula: ⁇ 3 ⁇ 4 : « modr src e A src ⁇ , where s/ is a subframe number.
  • the period r src and offset ⁇ corresponding to each configuration are listed in Table 1.
  • the SRS subframe configuration parameter when the SRS subframe configuration parameter takes any value from "0000” to "1110", it indicates that the subframe in the subframe set corresponding to the value can be utilized in each radio frame.
  • the frame transmits the SRS, and when the SRS subframe configuration parameter takes the value of "1111", it indicates that the SRS sent by the user in the cell is turned off, and the value is applicable to a scenario in which a cell mainly serves a user who moves at a high speed, because, The fast time-varying characteristics of the channel will make the result of the channel estimation unreliable. Therefore, it is necessary to turn off the SRS sent by the user in the cell at this time.
  • the SRS is always set to be transmitted on the last SC-FDMA symbol, and on the SC-FDMA symbol, the location is not allowed to transmit the PUSCH even if the user does not transmit the SRS.
  • the data information thereby preventing interference to other users who send SRS at the symbol.
  • the SRS mechanism defined in the above 3GPP technical specification Rel-8 version is not suitable for direct application in the CoMP context.
  • the reason is: When a CoMP user of a serving cell sends an SRS to a coordinated cell, a non-CoMP user in the coordinated cell needs to send an SRS because of normal communication, and such a user cannot perceive the existence of the CoMP user, and thus, The case where the CoMP user of the serving cell and the user of the coordinated cell transmit the SRS in the same subframe position.
  • the SRS sequences in the same cell may be orthogonal
  • the CoMP user of the serving cell and the user of the coordinated cell send the SRS in the same subframe position
  • the difference between the basic sequence and the sequence length of the different SRS sequence groups is Therefore, the orthogonality cannot be satisfied between them, so that the SRS signals transmitted by the non-CoMP users and the CoMP users will strongly interfere with each other when the base station receives, which seriously affects the accuracy of the channel estimation.
  • FIG. 1 As shown in FIG.
  • the main object of the present invention is to provide a method for configuring a sounding reference signal, which can effectively reduce SRS interference between multi-point coordinated cells, and has good compatibility with existing systems.
  • d For each cell, according to the number of user terminals (UEs) in the current cell and the moving speed of the UE, according to the principle of preferentially selecting the configuration of the SRS subframe configuration parameters of the neighboring cells, In the configuration of a set of SRS subframe configuration parameters corresponding to the cell, selecting a configuration of the SRS subframe configuration parameter of the local cell; e. Each cell sets an SRS subframe occupied by each UE in the cell according to the SRS configuration index parameter according to the subframe set corresponding to the SRS subframe configuration parameter of the current cell.
  • UEs user terminals
  • the method further comprises:
  • the step d and e further include:
  • determining whether the configuration of the SRS subframe configuration parameter between the cells having the cooperative relationship is orthogonal, if not, according to the SRS subframe configuration of the non-multi-point coordinated UE of the coordinated cell and the coordinated UE of the serving cell The principle that the SRS subframe configuration is orthogonal, the SRS subframe configuration range of the non-multipoint coordinated UE of each cell having the cooperative relationship and the SRS subframe configuration range of the coordinated UE are set;
  • the step e is:
  • the non-multipoint coordinated UE in the local cell In the subframe configuration range, the SRS configuration index parameter is used to set the SRS subframe occupied by each non-multipoint coordinated UE in the current cell, and the SRS configuration index parameter is set in the local cell within the multi-point coordinated UE subframe configuration range of the current cell.
  • the SRS subframes occupied by the UEs in the local area are set in the SRS sub-frames of the UEs in the cell.
  • the SRS subframe configuration range of the non-multipoint coordinated UEs of the cells having the cooperative relationship and the SRS subframe configuration range of the coordinated UE are:
  • - u(CF max n O ⁇ ) is used as the SRS subframe configuration of the coordinated UE of the cell
  • CF u (CT max n CF ; ) is configured as the SRS subframe of the non-multipoint coordinated UE of the cell, where , CF ; set the subframe corresponding to the SRS subframe configuration parameter of the cell,
  • each cell and its neighboring cells belong to different types of cells, all the cells are classified into three types, and the three types of cells are configured corresponding to the configuration parameters of the three sets of SRS subframes.
  • UEs user terminals
  • frame configuration parameters are configured;
  • each cell sets an SRS subframe occupied by each UE in the cell according to the SRS configuration index parameter according to the subframe set corresponding to the SRS subframe configuration parameter of the current cell.
  • the method further comprises:
  • the uplink data is transmitted on the last symbol on the SRS subframe.
  • the method for configuring the sounding reference signal proposed by the present invention can effectively reduce the overlap of the SRS subframes of the non-multi-point coordinated UEs of the coordinated UE and the coordinated cells thereof in the time domain.
  • the present invention can still adopt the frame structure of the existing LTE system, and does not modify the original system parameters themselves, but only limits the options of parameter values, so the existing system is good. Backward compatibility. Brief description
  • 1 is a schematic diagram of inter-cell SRS interference in an existing system
  • FIG. 2 is a flowchart of a method for configuring an SRS according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic diagram of a correspondence between a cell and an SRS subframe configuration parameter according to an embodiment of the present invention
  • FIG. 4 is a flowchart of a method for configuring an SRS according to Embodiment 2 of the present invention. Mode for carrying out the invention
  • the core idea of the present invention is: When performing cell-specific parameter level SRS configuration for each cell, that is, when configuring the SRS subframe configuration parameter, try to configure the cell to be orthogonal to the SRS subframe configuration parameters of its neighboring cell. Therefore, the SRS subframes of the non-multi-point coordinated UEs of the coordinated UE and the coordinated cell of the coordinated cell can be reduced in the time domain, so that the SRS interference between the coordinated cells can be effectively reduced.
  • 2 is a flowchart of a method for configuring an SRS according to Embodiment 1 of the present invention. As shown in FIG. 2, the SRS configuration method in the first embodiment of the present invention mainly includes:
  • Step 201 Determine, for each configuration of the SRS subframe configuration parameter, a configuration orthogonal to the configuration.
  • the orthogonality means that the same subframe does not exist in the subframe set corresponding to each of the two configurations.
  • each configuration of the existing SRS subframe configuration parameters needs to be determined, and the configuration orthogonal to the configuration (that is, the orthogonal configuration of the configuration) is determined, so that it can be orthogonal according to each configuration in the subsequent process.
  • configurations 0 ⁇ 14 are given in Table 2.
  • Table 2 For example, for configuration 1, there are three configurations of configuration 2, 10, and 12, and for configuration 0, since its subframe period is 1 subframe and the offset is 0 subframe, this means that All subframes will be included in the subframe set corresponding to configuration 0. Accordingly, the configuration that does not overlap with the subframe will not exist. Therefore, configuration 0 has no orthogonal configuration. Similarly, configurations 13 and 14 do not exist. Hand over the configuration. In addition, since configuration 15 is a reserved item, its corresponding orthogonal configuration is also undefined.
  • Step 202 Group all configurations of the SRS subframe configuration parameters to obtain configuration of three sets of SRS subframe configuration parameters.
  • all the configurations of the SRS subframe configuration parameters are divided into three groups, so as to configure the SRS subframe configuration parameters of each cell in the subsequent process, and ensure that the SRS subframe configuration parameters of each cell can be adjacent to the neighboring cells.
  • the SRS subframe configuration parameters are different.
  • the three sets of configurations may be divided according to the principle that the configuration of each group is orthogonal to the configuration in other groups.
  • the SRS subframe configuration parameters of each cell are configured.
  • the configuration of the SRS subframe configuration parameter of the neighboring cell may be more easily selected to be orthogonal to the configuration of the SRS subframe configuration parameter of the neighboring cell, thereby facilitating further reduction of the configuration of the SRS subframe configuration parameters of different cells. Point the interference between the collaborative cells.
  • Step 203 According to the principle that each cell and its neighboring cells belong to different types of cells, all the cells are classified into three types, and the three types of cells are in one-to-one correspondence with the configurations of the three sets of SRS subframe configuration parameters.
  • the subframe configuration parameter is such that, for each cell, the configuration of the SRS subframe configuration parameters of the different groups corresponding to the neighboring cells respectively.
  • the configuration relationship between the three types of cells and the three sets of SRS subframe configuration parameters may be specifically described by using the example in FIG. 3.
  • the cell 2 is similar to the case of the cell 1. It can be seen that, by using the foregoing classification of the cell and the configuration of the SRS subframe configuration parameter, it can be ensured that the local cell and its neighboring cell respectively correspond to the configuration of different groups of SRS subframe configuration parameters.
  • Step 204 For each cell, according to the number of user terminals (UEs) in the current cell and the moving speed of the UE, according to the principle of preferentially selecting the configuration of the SRS subframe configuration parameters of the neighboring cells, In the configuration of a set of SRS subframe configuration parameters corresponding to the cell, a configuration is selected for the SRS subframe configuration parameter of the local cell.
  • UEs user terminals
  • a person skilled in the art needs to determine the appropriate SRS time domain density of the cell according to the number of UEs in the cell and the moving speed of the cell UE, and determine the SRS time domain density according to the SRS time domain density.
  • Appropriate configuration of the SRS subframe configuration parameters For example, if the moving speed of the activated UE in the cell is slow or the number of users in the cell is small, the configuration of the SRS subframe configuration parameter with a larger period may be selected; otherwise, the configuration with a smaller period is selected.
  • the configuration of the SRS subframe configuration parameter of the cell is determined, because each cell and its neighboring cell are respectively separated by step 204. Corresponding to the configuration of different groups of SRS subframe configuration parameters, therefore, this step can make each cell and its neighboring cells have different configurations of SRS subframe configuration parameters.
  • this step is configured according to the principle of preferentially selecting the configuration of the SRS subframe configuration parameters of the neighboring cell, the SRS subframe configuration parameters of each cell are configured, so that each cell can be ensured to a large extent.
  • the configuration of the SRS subframe configuration parameters orthogonal to the neighboring cells thereof can effectively reduce the interference of the coordinated multi-cell.
  • the configuration of the three sets of SRS subframe configuration parameters is divided according to the principle that the configuration of each group of SRS subframe configuration parameters is orthogonal to the configuration in other groups as much as possible in step 202, then for a group of SRS subframes
  • For the configuration of the configuration parameters there are more configurations orthogonal to the configurations of other groups, so that it is easier to select a configuration for each cell that can satisfy the configuration of the SRS subframe configuration parameters of the neighboring cell. "The configuration of this condition, thereby reducing the interference between multi-point coordinated cells to a greater extent.
  • the SRS resources used by more cells can be distinguished from the neighboring cells in time. Therefore, the interference between the coordinated cells of multiple points can be effectively reduced.
  • the SRS subframe configuration range of the non-multipoint coordinated UEs of the cells and the SRS subframe configuration range of the multi-point coordinated UE may be set.
  • the SRS subframe configuration of the non-multipoint coordinated UE of the coordinated cell is orthogonal to the SRS subframe configuration of the coordinated UE of the serving cell. Specifically, it can be implemented in step 204 by the following steps:
  • Determining whether the configuration of the SRS subframe configuration parameters between the cells having the cooperative relationship is orthogonal, if not, according to the SRS subframe configuration of the non-multipoint coordinated UE of the coordinated cell and the SRS of the coordinated UE of the serving cell The principle that the frame configurations are orthogonal, the SRS subframe configuration range of the non-multipoint coordinated UEs of the cells having the cooperative relationship and the SRS subframe configuration range of the coordinated UE are set.
  • This step can be implemented by a centralized controller.
  • the method of the subframe configuration range and the SRS subframe configuration range of the multi-point coordinated UE may be: for the
  • the number of subframes in the frame set, ⁇ ⁇ p: the cell max has a coordinated multi-homed UE with the cell p as the coordinated cell ⁇ , ⁇
  • the SRS subframe configuration range of the non-multipoint coordinated UEs of the three cells (cell 1, cell 2, and cell 3) having the cooperative relationship and the SRS subframe of the multipoint coordinated UE according to the above method can be as follows:
  • Step 205 Each cell sets an SRS subframe occupied by each UE in the cell according to the SRS configuration index parameter according to the subframe set corresponding to the SRS subframe configuration parameter of the current cell.
  • step 204 After the configuration of the SRS subframe configuration parameter of each cell is completed in step 204, one or more subframes are selected to be allocated to each UE in the cell within the subframe set corresponding to the configuration, thereby Complete the SRS subframe configuration process.
  • the non-multipoint coordinated UE in the local cell In the subframe configuration range, the SRS configuration index parameter is used to set the SRS subframe occupied by each non-multipoint coordinated UE in the current cell, and the SRS configuration index parameter is set in the cell within the multi-point coordinated UE subframe configuration range of the current cell.
  • the SRS subframes occupied by the UEs in the local area are set in the SRS sub-frames of the UEs.
  • the SRS subframe configuration of the non-multi-point coordinated UE of the coordinated cell is orthogonal to the SRS subframe configuration of the coordinated UE of the serving cell, so that interference between the coordinated cells can be further avoided.
  • Each cell notifies the SRS subframe occupied by the coordinated UE in the local cell to the The coordinated cell of the multi-point coordinated UE, when the coordinated cell schedules the UE in the cell, avoids transmitting uplink data on the last symbol on the SRS subframe occupied by the coordinated multi-homing UE.
  • the SRS parameters that is, the SRS configuration index parameter
  • the user-level SRS parameters that is, the SRS configuration index parameter
  • the SRS configuration index parameter of the cell-specific layer
  • the configuration minimizes interference between cooperating cells.
  • the SRS parameter configuration in the second embodiment of the present invention can be used to describe the SRS configuration method in the second embodiment of the present invention.
  • FIG. 4 is a flowchart of a method for configuring an SRS according to Embodiment 2 of the present invention. As shown in FIG. 4, the SRS configuration method in the second embodiment includes the following steps:
  • Step 401 Determine, for each configuration of the SRS subframe configuration parameter, a configuration orthogonal to the configuration.
  • step 201 The specific implementation of this step is the same as step 201, and details are not described herein again.
  • Step 402 Select three or more configurations from all configurations having orthogonal configurations of the SRS subframe configuration parameter, and group the selected configurations, where the configurations in each group are aligned with the configurations in the other two groups. cross.
  • the configuration in each group is different from the configuration in the other two groups.
  • Orthogonal in this case, when each cell is configured by using a set of SRS subframe configuration parameters corresponding to each cell in step 405, the SRS subframe configuration parameter configured by each cell and the SRS subframe configuration parameter of the neighboring cell can be ensured.
  • the orthogonality enables the SRS resources configured in each cell to be orthogonal in the time domain, so that interference between the coordinated cells can be avoided to the utmost extent.
  • step 203 The specific implementation of this step is the same as that of step 203, and details are not described herein again.
  • Step 404 For each cell, according to the number of user terminals (UEs) in the current cell and the moving speed of the UE, select a SRS for the local cell from the configuration of a set of SRS subframe configuration parameters corresponding to the local cell. Subframe configuration parameters are configured.
  • Step 405 Each cell sets an SRS subframe occupied by each UE in the cell according to the SRS configuration index parameter according to the subframe set corresponding to the SRS subframe configuration parameter of the current cell.
  • the step 405 may further include:
  • the uplink data is transmitted on the last symbol on the SRS subframe.

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

Abstract

La présente invention concerne un procédé pour configurer des signaux de référence de sondage (« Sounding Reference Signals » ou SRS). Ledit procédé comprend les étapes suivantes : pour chaque type de configuration de paramètres de configuration de sous-trame SRS, les configurations qui sont orthogonales au type de configuration sont déterminées; toutes les configurations de paramètres de configuration de sous-trame SRS sont divisées en trois groupes; toutes les cellules sont divisées en trois types selon le principe que chaque cellule et ses cellules adjacentes appartiennent à des cellules de types différents, alors les trois types de cellules et les trois groupes de configurations de paramètres de configuration de sous-trame SRS sont agencés en correspondance bi-univoque; pour chaque cellule, selon le nombre et les vitesses de déplacement d'équipements utilisateurs (« User Equipment » ou UEs) et le principe que la configuration qui est orthogonale aux paramètres de configuration de sous-trame SRS de cellules adjacentes est sélectionnée de préférence, un type de configuration est sélectionné parmi un groupe de configurations des paramètres de configuration de sous-trame SRS qui correspond à la cellule, pour configurer les paramètres de configuration de sous-trame SRS de la cellule; pour chaque cellule, les sous-trames SRS occupées par chaque UE sont réglées sur la base des paramètres de configuration de sous-trame SRS de la cellule. Grâce à l'invention, l'interférence SRS entre des cellules CoMP (« Coordinated Multi-Point ») est efficacement réduite et une compatibilité satisfaisante avec des systèmes conventionnels est réalisée simultanément.
PCT/CN2010/078677 2009-11-12 2010-11-12 Procédé pour configurer des signaux de référence de sondage WO2011057576A1 (fr)

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CN106793068A (zh) * 2016-11-28 2017-05-31 京信通信技术(广州)有限公司 一种srs资源配置方法及装置
CN108282281B (zh) * 2017-01-05 2020-02-21 中国移动通信有限公司研究院 一种信号配置方法及装置
CN113473617A (zh) * 2017-08-11 2021-10-01 华为技术有限公司 一种上行信号的传输方法及设备
WO2021134698A1 (fr) * 2019-12-31 2021-07-08 华为技术有限公司 Procédé et appareil de configuration de période de signal de référence de sondage (srs)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101500242A (zh) * 2008-02-01 2009-08-05 大唐移动通信设备有限公司 一种配置上行探测参考信号的方法和装置
CN101572896A (zh) * 2008-04-29 2009-11-04 大唐移动通信设备有限公司 一种配置上行探测参考信号的方法和装置
US20090274076A1 (en) * 2008-04-29 2009-11-05 Texas Instruments Incorporated Sounding Reference Signal User Equipment Specific Sub-Frame Configuration
CN101714897A (zh) * 2009-11-12 2010-05-26 普天信息技术研究院有限公司 探测参考信号的配置方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101500242A (zh) * 2008-02-01 2009-08-05 大唐移动通信设备有限公司 一种配置上行探测参考信号的方法和装置
CN101572896A (zh) * 2008-04-29 2009-11-04 大唐移动通信设备有限公司 一种配置上行探测参考信号的方法和装置
US20090274076A1 (en) * 2008-04-29 2009-11-05 Texas Instruments Incorporated Sounding Reference Signal User Equipment Specific Sub-Frame Configuration
CN101714897A (zh) * 2009-11-12 2010-05-26 普天信息技术研究院有限公司 探测参考信号的配置方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3444973A4 (fr) * 2016-05-05 2019-03-27 Huawei Technologies Co., Ltd. Procédé et appareil de configuration de signal de référence de sondage
US10819484B2 (en) 2016-05-05 2020-10-27 Huawei Technologies Co., Ltd. Sounding reference signal configuration method and apparatus
CN110741598A (zh) * 2017-06-16 2020-01-31 高通股份有限公司 特定于小区的探测和测量配置
CN110741598B (zh) * 2017-06-16 2022-04-08 高通股份有限公司 特定于小区的探测和测量配置
RU2747269C1 (ru) * 2017-10-14 2021-05-04 Гуандун Оппо Мобайл Телекоммьюникейшнс Корп., Лтд. Способ осуществления беспроводной связи, терминал и сетевое устройство
US11729804B2 (en) 2017-10-14 2023-08-15 Guangdong Oppo Mobile Telecommunications Corp., Ltd. System and method for flexible resource configuration of reference signals
WO2023030652A1 (fr) * 2021-09-03 2023-03-09 Telefonaktiebolaget Lm Ericsson (Publ) Transmission de signal de référence de sondage dans un réseau de communication sans fil

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