WO2009132591A1 - 一种配置上行探测参考信号的方法和装置 - Google Patents
一种配置上行探测参考信号的方法和装置 Download PDFInfo
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- WO2009132591A1 WO2009132591A1 PCT/CN2009/071565 CN2009071565W WO2009132591A1 WO 2009132591 A1 WO2009132591 A1 WO 2009132591A1 CN 2009071565 W CN2009071565 W CN 2009071565W WO 2009132591 A1 WO2009132591 A1 WO 2009132591A1
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- srs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0023—Interference mitigation or co-ordination
- H04J11/005—Interference mitigation or co-ordination of intercell interference
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0078—Timing of allocation
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
Definitions
- the present invention relates to the field of wireless communication technologies, and in particular, to a method and apparatus for configuring an uplink probe number. Background of the invention
- the uplink sounding reference signal is an uplink signal sent by the user equipment (UE) to the base station, and the base station measures the uplink channel quality according to the received SRS.
- the existing SRS transmission can be configured as follows: For a Frequency Division Duplex (FDD) system and a Time Division Duplex (TDD) system, the UE supports 2ms, 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, There are 8 transmission cycles for 320ms.
- the SRS can be sent in an Uplink Pilot Time Slot (UpPTS) time slot.
- UpPTS Uplink Pilot Time Slot
- the length of the UpPTS is 1 Single Carrier-Frequency Division Multiple Access (SC-FDMA)
- SC-FDMA Single Carrier-Frequency Division Multiple Access
- the 1 SC-FDMA symbol can be used for SRS transmission; when the UpPTS length is 2 SC-FDMA symbols
- the base station can configure two SC-FDMA symbols for SRS transmission.
- SRS can be sent across the entire upstream bandwidth.
- the UpPTS does not transmit uplink data and control signaling. Therefore, there is no conflict between the SRS and the Physical Uplink Shared Channel (PUSCH) and the Physical Uplink Shared Channel (PUCCH) in the UpPTS.
- PUSCH Physical Uplink Shared Channel
- PUCCH Physical Uplink Shared Channel
- the SRS is configured in a conventional uplink subframe, the SRS is sent on the last symbol of the regular uplink subframe. In this case, all UEs need to remove the last symbol when transmitting the PUSCH on the regular subframe.
- the SRS When the SRS is sent in the uplink regular subframe, it will collide with the uplink control information. Specifically, in an uplink regular subframe, the SRS cannot be transmitted in the PUCCH band. If the UE needs The SRS and the response message (ACK/NACK) are simultaneously transmitted in the uplink subframe, and the
- CQI channel quality indicator
- an object of the present invention is to provide a method and apparatus for configuring an uplink sounding reference signal, and a specific solution for how to configure the transmission of the SRS.
- the base station jointly encodes the determined SRS configuration period and the SRS configuration location, and notifies all the user equipments in the cell by broadcast signaling.
- Another embodiment of the present invention provides a method for configuring an SRS, including:
- the base station determines the SRS configuration period of the user and the sending position of the SRS;
- the base station notifies the user equipment of the indication item jointly encoded by the SRS configuration period and the sending location of the user by user-specific signaling.
- An embodiment of the present invention provides an apparatus for configuring an SRS, including:
- a cell SRS period configuration module configured to determine an available SRS configuration period of the cell
- a cell SRS location configuration module configured to determine, according to the SRS configuration period determined by the cell SRS period configuration module, the available SRS of the cell on the subframe a configuration location
- a joint coding module configured to determine an SRS determined by the cell SRS periodic configuration module The configuration period and the configuration location of the SRS determined by the cell SRS location configuration module are jointly encoded;
- a broadcast signaling sending module configured to send the joint coding result of the joint coding module by using broadcast signaling.
- An embodiment of the present invention provides another apparatus for configuring an SRS, including:
- a user SRS periodic configuration module configured to determine a period in which a specific user in the cell sends an SRS
- a user SRS location configuration module configured to determine, according to an SRS transmission period determined by the user SRS period configuration module, a configuration location where the user sends the SRS;
- a joint coding module configured to jointly encode a period in which the user sends the SRS determined by the user SRS period configuration module and a location in which the user sends the SRS determined by the user SRS location configuration module;
- the user-specific signaling module is configured to send the joint coding result of the joint coding module to the user by using user-specific signaling.
- An embodiment of the present invention further provides an apparatus for configuring an SRS, including:
- An SRS periodic configuration module configured to determine an available SRS configuration period of the cell, and a period in which the specific user in the cell sends the SRS;
- the SRS location configuration module is configured to determine, according to an SRS configuration period determined by the SRS periodic configuration module, a configuration location of an SRS that is available to the cell, and is further configured to be used in a period in which the SRS period configuration module determines that the user sends the SRS. , determining the configuration location where the user sends the SRS;
- a joint coding module configured to jointly encode an SRS configuration period of a cell determined by the SRS periodic configuration module and an SRS configuration location of a cell determined by the SRS location configuration module; and is further configured to configure the SRS periodic configuration module The determined period in which the user sends the SRS is combined with the location of the user transmitting the SRS determined by the SRS location configuration module. Coding
- a signaling sending module configured to send, by using a broadcast signaling, a joint coding result of an SRS configuration period of a cell of the joint coding module and an SRS configuration position of a cell, and a cycle for sending a SRS of a user of the joint coding module
- the joint coding result of the configuration location with the user transmitting the SRS is sent to the user through user-specific signaling.
- the base station determines the SRS configuration period of the cell and the configuration position of the SRS in the subframe, and uses the joint coding manner to notify each UE in the cell by using broadcast signaling; or, the base station determines the intra-cell.
- the user's SRS configuration period and the location of the SRS in the subframe, and the UE is used to notify the UE through the user-specific signaling, which can implement the configuration of the SRS transmission and solve the conflict between the SRS and the uplink control information.
- FIG. 1 is a flowchart of a broadcast signaling configuration according to Embodiment 1 of the present invention.
- FIG. 2 is a flowchart of a user agent signaling configuration according to Embodiment 2 of the present invention.
- FIG. 3 is a schematic block diagram of an apparatus for configuring an uplink sounding reference signal according to Embodiment 3 of the present invention
- FIG. 4 is a schematic block diagram of an apparatus for configuring an uplink sounding reference signal according to Embodiment 4 of the present invention.
- FIG. 5 is a schematic diagram of a module for configuring an uplink sounding reference signal according to Embodiment 5 of the present invention. Mode for carrying out the invention
- the solution of the present invention provides how to configure the transmission of the SRS in the time domain, and specifically needs to involve the configuration of the broadcast signaling and the configuration of the user-specific signaling.
- the solution of the invention can be applied to FDD and TDD systems.
- Embodiment 1 of the present invention is a configuration scheme of broadcast signaling.
- the necessary method may be to remove the symbol, use the truncated PUCCH format, or give up sending the SRS. Therefore, the role of the broadcast signaling is to inform the UE in which regular uplink subframes the SRS transmission is configured.
- the base station In order to flexibly support the SRS periods of different users (including 2ms, 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms), the base station needs to configure the SRS subframe position accordingly. Therefore, the period of configuring the SRS should be the The common divisor of the user's SRS period can usually be taken as the greatest common divisor. For example, if the operator wants the user to support the SRS period of 2ms in the cell, the SRS subframe configuration of the base station needs to be configured according to at least every 2ms-SRS. For example, the cell needs to support some users with a SRS period of 2ms, and some users have a 5ms period. Then, the cell needs to be configured for 1ms to support two types of users at the same time. The cell SRS period can also be reconfigured according to the above principles as the cell user changes the SRS period requirements.
- the SRS symbols of the neighboring cells should be configured in different uplink subframes, that is, the uplink subframes in which the neighboring cells carry the SRS should be mutually in the time domain. Staggered.
- N 8
- all periods are 2ms, 5ms, 10ms, 20ms, 40ms, 80ms, 160ms, 320ms
- N 8
- the fine tube configuration options can be considered from the perspective of SRS configuration period and SRS symbol position, and the following principles must be met:
- the following technical means are adopted for the purpose of reducing broadcast signaling overhead: (1) Limiting the maximum SRS period configured by the base station, for example, limiting to 40 ms, and in order to make the configuration of the SRS more flexible, consider Supports lms, 2ms, 5ms, 10ms, 20ms, 40ms and no SRS configuration for 7 different cycles. (2) Limiting the flexibility of a cell to configure the SRS symbol position in one cycle, such as limiting the possibility of configuring the SRS symbol position to 7, that is, only the SRSs of the seven neighboring cells are configured at mutually different symbol positions. can.
- the signaling indicator includes both parts of the information according to the above design principles, respectively An embodiment based on an FDD system and a TDD system.
- Solution 1 The broadcast signaling indication with a length of 5 bits, that is, the SRS configuration scheme is limited to 32 types.
- the broadcast signaling indications applicable to the FDD system are shown in Table 1.
- the broadcast signaling applicable to the TDD system is as shown in Table 2.
- the SRS symbol positions of up to seven neighboring cells can be different.
- the period indicates the SRS configuration period of the cell, in units of ms.
- the subframe number of the SRS is configured to indicate the radio frame number (SFN) and the subframe position of the SRS in the current cell.
- the detailed configuration manner is given in the radio frame in which the SRS transmission is configured.
- “8 SRS/10ms" indicates that the length is 10 ms. 8 SRS.
- Table 2 Option 2 Further reduce the broadcast signaling overhead and limit the configuration scheme to 16 types.
- the 4bits broadcast signaling indication as shown in Table 3 corresponding to the FDD system, as shown in Table 4 corresponding to the TDD system, the SRS symbol positions of up to 3 neighboring cells can be simultaneously supported.
- the broadcast signaling configuration process in the first embodiment of the present invention takes the TDD system as an example, as shown in FIG. 1 , and includes the following steps:
- Step 101 The base station determines an available SRS configuration period of the current cell, and the determining may be performed during network deployment. Specifically, the base station determines the SRS requirement for the uplink and downlink scheduling, downlink beamforming, and the like according to the characteristics of the cell service model; and according to the requirement, the user with the most SRS demand in the cell is used as a reference. To configure, you must also meet the SRS requirements of other users in the community. For example, if the cell needs to support the user SRS with a minimum period of 10 ms, then the SRS of the cell needs to be configured to be 10 ms.
- the cell SRS period of the user needs to be 2 ms, and some users have a 5 ms period, then the cell needs to be configured as the lms period to support both types of users.
- the cell SRS period can also be reconfigured according to the above principles as the cell user changes the SRS cycle demand.
- Step 102 The base station determines an available SRS configuration location of the current cell.
- the base station preferentially configures the SRS on the premise that the SRS configuration period is met.
- UpPTS In UpPTS.
- the base station needs to further determine the location of the SRS of the local cell in the subframe.
- One method is that the SRSs of different cells are respectively configured at different positions of the subframe.
- the SRS configuration table as shown in Table 2 or Table 4 is pre-configured in the base station.
- the SRS configuration location information includes information about whether there is an SRS in the uplink subframe, and does not include information about the number of specific SRS symbols in the UpPTS.
- the configuration period of the SRS is 5 ms
- different configurations are selected for the neighboring cells, for example, the base station performs the modulo 3 operation according to its own cell number, and determines Which configuration to use.
- the configuration table shown in Table 2 can also be used, and there are 4 possible configurations for the 5ms period.
- the cell numbers of the neighboring cells are continuous, so that the SRS configuration positions of the neighboring cells are staggered from each other, and the inter-cell interference can be alleviated.
- Step 103 The base station jointly encodes the SRS configuration period and the configuration location, and notifies all the UEs in the cell by using the broadcast signaling (SIB).
- SIB broadcast signaling
- the specific method is as follows: According to the determined SRS configuration period and the SRS configuration location, the corresponding configuration number is found in Table 4, the configuration number is represented by a 4 bit code, and then the code of the configuration number is carried by broadcast signaling. If the configuration table shown in Table 2 is used, the 5bits code is used to indicate the configuration number.
- Step 104 The UE in the cell learns the SRS configuration in the cell by using the broadcast signaling, so that when the uplink data or the control signaling is sent, the corresponding manner is performed, for example, the symbol is deleted or the truncated format is used to transmit, thereby avoiding the uplink data. And the collision between control signaling and SRS.
- the second embodiment of the present invention is a design scheme of user-specific signaling.
- the broadcast signaling is used to notify the SRS symbol of all the UEs in the cell in the time domain.
- the base station scheduling decision is also required, and the scheduling decision is made by the base station.
- User-specific signaling is signaled to the UE.
- the SRS transmission of a certain UE may be configured at any position within all SRS symbol positions broadcast by the cell;
- the user's SRS period and the SRS symbol position are jointly coded.
- 320 indicates that a certain user is configured for a period of 320 ms
- its transmitted SRS can be transmitted at any symbol position within the period, that is, 320 possibilities, and the other periods are also the same.
- the UE can adopt any of the following methods:
- the two symbols in the UpPTS send SRS (different transmit antennas alternate);
- Solution 1 The explicit format of 2 bits is used to indicate the four possible configurations for the UE to send SRS in the UpPTS.
- the user-specific signaling configuration process in the second embodiment of the present invention is as shown in FIG. 2, and includes the following steps:
- Step 201 The base station determines an SRS configuration period of a certain user, and the determination may be performed based on the user service type, the moving speed, and the use of the SRS (uplink scheduling, downlink scheduling, downlink beamforming). The smaller the period, the higher the accuracy of the scheduling.
- Step 202 The base station determines a SRS transmission location of a certain user, and the determination is based on user scheduling accuracy (the shorter the time interval between the user sending the SRS and transmitting the uplink data/or receiving the downlink data, the higher the scheduling accuracy is).
- SRS multiplexing between users in the cell, etc. selects a location for the user in all possible locations within the SRS period configured by the cell.
- the base station can determine which symbol of the UpPTS the user is to transmit the SRS, and may have special restrictions for some special users. For example, a transmit power limited user, the base station can schedule the user to use the consecutive two symbols to transmit the SRS in the UpPTS; for the user who needs to perform the fast SRS antenna switch, the base station can schedule the user to use different transmissions in the two symbols in the UpPTS.
- the antenna transmits the SRS.
- Step 203 The base station notifies the UE of the indication item of the SRS transmission period and the location joint coding of the user.
- the base station For the TDD system, if the configuration of the above scheme 1 is adopted, the base station The specific configuration of the SRS that can be sent by the user in the UpPTS can be separately indicated by the explicit user-specific signaling of the 2bits. If the configuration of the second scheme is used, the base station can also send the SRS to the UpPTS. The indicator of the three-information coded combination of the SRS transmission period and the transmission location of the user informs the UE.
- Step 204 The UE receives the dedicated signaling information, so as to start sending the SRS in the specified period at the specified location.
- the dedicated signaling information determines the specific way in which the SRS is sent in the UpPTS.
- the base station may first notify the allocating the SRS configuration period and the SRS configuration position of all the UEs in the cell through broadcast signaling, and then notify the specific configuration of the SRS configuration period and the SRS configuration position of the specific UE by using the user agency signaling.
- the UE may send the SRS according to the user agent signaling.
- the third embodiment of the present invention provides a device for configuring an uplink sounding reference signal, where the device is located in a base station, and the module composition thereof is as shown in FIG. 3, and includes:
- the cell SRS period configuration module 301 is configured to determine an available SRS configuration period of the cell, and the cell SRS location configuration module 302 is configured to determine, according to the SRS configuration period determined by the cell SRS period configuration module 301, the available SRS in the cell.
- the joint coding module 303 is configured to jointly encode the SRS configuration period determined by the cell SRS period configuration module 301 and the configuration location of the SRS determined by the cell SRS location configuration module 302.
- the broadcast signaling sending module 304 is configured to send the joint encoding result of the joint encoding module 303 by using broadcast signaling.
- the joint coding module may further include:
- a configuration table unit configured to save the configuration number, the configuration period of the SRS, and the SRS configuration location.
- Correspondence table configured to save the configuration number, the configuration period of the SRS, and the SRS configuration location.
- the searching unit is configured to obtain the corresponding configuration number by searching the correspondence table according to the determined SRS configuration period and the SRS configuration location.
- the fourth embodiment of the present invention provides another device for configuring an uplink sounding reference signal, and the device is located in a base station.
- the module composition is as shown in FIG. 4, and includes:
- a user SRS period configuration module 401 configured to determine a period in which a specific user in the cell sends an SRS
- the user SRS location configuration module 402 is configured to determine, according to the SRS transmission period determined by the user SRS period configuration module 401, a configuration location where the user sends the SRS.
- the joint coding module 403 is configured to jointly encode the period in which the user sends the SRS determined by the user SRS period configuration module 401 and the location in which the user sends the SRS determined by the user SRS location configuration module 402;
- the user-specific signaling module 404 is configured to send the joint coding result of the joint coding module 403 to the user by using user-specific signaling.
- the user SRS location configuration module 402 can further include:
- the protection slot configuration unit is configured to set a specific configuration manner for sending the SRS in the uplink pilot time slot UpPTS.
- the joint coding module 403 is configured to jointly encode the SRS transmission period and location of the user, where the explicit format is used to indicate the configuration mode in which the user sends the SRS in the uplink pilot time slot UpPTS.
- the joint coding module 403 is configured to jointly encode the SRS transmission period and location of the user and the specific configuration manner in which the user sends the SRS in the UpPTS.
- Embodiment 5 of the present invention provides a device for configuring an uplink sounding reference signal, where the device bit In the base station, its module composition is as shown in FIG. 5, including
- the SRS period configuration module 501 is configured to determine an available SRS configuration period of the cell, and a period in which the specific user sends the SRS in the cell;
- the SRS location configuration module 502 is configured to determine, according to the SRS configuration period determined by the SRS periodic configuration module 501, a location of the SRS available on the subframe in the subframe; and is further configured to be determined by the SRS periodic configuration module 502. The user sends the SRS period, and determines the configuration location where the user sends the SRS;
- the joint coding module 503 is configured to jointly encode the SRS configuration period of the cell determined by the SRS period configuration module 501 and the SRS configuration location of the cell determined by the SRS location configuration module 502;
- the period in which the user sends the SRS determined by the period configuration module 501 and the location of the SRS that the user sends the SRS determined by the SRS location configuration module 502 are jointly encoded;
- the signaling sending module 504 is configured to send the joint coding result of the SRS configuration period of the cell of the joint coding module 503 and the SRS configuration location of the cell by using broadcast signaling, and is further configured to send the user of the joint coding module 503
- the joint coding result of the SRS period and the configuration position at which the user transmits the SRS is sent to the user through user-specific signaling.
- the embodiment of the present invention provides a method for configuring SRS transmission in an LTE system, and provides solutions for the FDD system and the TDD system, respectively.
- the FDD system and the TDD system can perform the SRS transmission configuration normally and effectively, and solve the conflict problem between the SRS and the uplink control information.
- the solution of the present invention can flexibly support different SRS periods and transmission location requirements of each user, reduce interference between adjacent cells, flexibly support multiple configuration flexibility of TDD transmitting SRS in UpPTS, and maximize the saving of information.
- the instruction indicates the overhead, and for the FDD system and the TDD system, the basic implementation framework of the scheme is consistent, but the specific details are slightly different, and the consistency of the FDD and TDD design is satisfied.
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Description
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Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2011506561A JP5279894B2 (ja) | 2008-04-29 | 2009-04-29 | アップリンクサウンディング参照信号の配置方法および装置 |
| EP09737701.4A EP2276302B1 (en) | 2008-04-29 | 2009-04-29 | Method and device for configuring uplink sounding reference signal |
| US12/990,372 US8391190B2 (en) | 2008-04-29 | 2009-04-29 | Method and device for configuring uplink sounding reference signal |
| KR1020107026774A KR101249876B1 (ko) | 2008-04-29 | 2009-04-29 | 업링크 사운딩 기준 신호를 배치하기 위한 방법 및 장치 |
| MX2010011857A MX2010011857A (es) | 2008-04-29 | 2009-04-29 | Método y aparato para configurar una señal de referencia de sondeo de enlace ascendente. |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810105434.2 | 2008-04-29 | ||
| CN200810105434.2A CN101572896B (zh) | 2008-04-29 | 2008-04-29 | 一种配置上行探测参考信号的方法和装置 |
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| Publication Number | Publication Date |
|---|---|
| WO2009132591A1 true WO2009132591A1 (zh) | 2009-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/CN2009/071565 Ceased WO2009132591A1 (zh) | 2008-04-29 | 2009-04-29 | 一种配置上行探测参考信号的方法和装置 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US8391190B2 (zh) |
| EP (1) | EP2276302B1 (zh) |
| JP (1) | JP5279894B2 (zh) |
| KR (1) | KR101249876B1 (zh) |
| CN (1) | CN101572896B (zh) |
| MX (1) | MX2010011857A (zh) |
| WO (1) | WO2009132591A1 (zh) |
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| US20110199944A1 (en) * | 2010-02-10 | 2011-08-18 | Qualcomm Incorporated | Aperiodic sounding reference signal transmission method and apparatus |
| CN102223712A (zh) * | 2010-04-19 | 2011-10-19 | 华为技术有限公司 | 测量参考信号的发送方法、基站和用户设备 |
| US20110268028A1 (en) * | 2010-04-02 | 2011-11-03 | Interdigital Patent Holdings, Inc. | Uplink sounding reference signals configuration and transmission |
| WO2012005334A1 (ja) * | 2010-07-09 | 2012-01-12 | 京セラ株式会社 | 無線基地局および無線通信方法 |
| JP2012100332A (ja) * | 2012-01-18 | 2012-05-24 | Sharp Corp | 無線通信システム、移動局装置、無線通信方法および集積回路 |
| JP2013516816A (ja) * | 2010-01-08 | 2013-05-13 | 聯發科技股▲ふん▼有限公司 | Lteサウンディングのリソース割り当てとシグナル伝達 |
| JP2013516817A (ja) * | 2010-01-08 | 2013-05-13 | 聯發科技股▲ふん▼有限公司 | 無線通信システムにおけるアップリンクチャネルサウンディングのマルチアンテナリソース割り当て方法 |
| US20130195006A1 (en) * | 2010-10-13 | 2013-08-01 | Lg Electronics Inc. | Method of transmitting control information and device for same |
| JP2014180053A (ja) * | 2014-06-30 | 2014-09-25 | Sharp Corp | 移動局装置、および通信方法 |
| US9054841B2 (en) | 2010-02-12 | 2015-06-09 | Sharp Kabushiki Kaisha | Radio communication system, mobile station apparatus, radio communication method and integrated circuit |
| WO2019028903A1 (zh) * | 2017-08-11 | 2019-02-14 | 华为技术有限公司 | 一种上行信号的传输方法及设备 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Also Published As
| Publication number | Publication date |
|---|---|
| MX2010011857A (es) | 2011-02-15 |
| KR101249876B1 (ko) | 2013-04-03 |
| CN101572896A (zh) | 2009-11-04 |
| EP2276302A1 (en) | 2011-01-19 |
| EP2276302B1 (en) | 2014-05-07 |
| CN101572896B (zh) | 2011-01-26 |
| JP2011520343A (ja) | 2011-07-14 |
| KR20110008303A (ko) | 2011-01-26 |
| US8391190B2 (en) | 2013-03-05 |
| US20110058505A1 (en) | 2011-03-10 |
| JP5279894B2 (ja) | 2013-09-04 |
| EP2276302A4 (en) | 2012-09-12 |
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