WO2011009277A1 - 一种定位参考信号的发送方法及系统 - Google Patents
一种定位参考信号的发送方法及系统 Download PDFInfo
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- WO2011009277A1 WO2011009277A1 PCT/CN2009/076288 CN2009076288W WO2011009277A1 WO 2011009277 A1 WO2011009277 A1 WO 2011009277A1 CN 2009076288 W CN2009076288 W CN 2009076288W WO 2011009277 A1 WO2011009277 A1 WO 2011009277A1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
- G01S1/02—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using radio waves
- G01S1/08—Systems for determining direction or position line
- G01S1/20—Systems for determining direction or position line using a comparison of transit time of synchronised signals transmitted from non-directional antennas or antenna systems spaced apart, i.e. path-difference systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/005—Allocation of pilot signals, i.e. of signals known to the receiver of common pilots, i.e. pilots destined for multiple users or terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W64/00—Locating users or terminals or network equipment for network management purposes, e.g. mobility management
Definitions
- the present invention relates to the field of mobile communications, and in particular, to a method and system for transmitting a positioning reference signal. Background technique
- Orthogonal Frequency Division Multiplexing (OFDM) technology is essentially a multi-carrier modulation communication technology, and OFDM technology is one of the core technologies in the fourth generation of mobile communication.
- OFDM technology is one of the core technologies in the fourth generation of mobile communication.
- the multipath channel of OFDM exhibits frequency selective fading characteristics.
- the channel is divided into multiple subchannels in the frequency domain, and the spectral characteristics of each subchannel are approximately flat, and each OFDM sub-sub-channel
- the channels are orthogonal to each other, thus allowing the spectrums of the subchannels to overlap each other, so that the spectrum resources can be utilized to a large extent.
- FIG. 1 shows a frame structure of a Frequency Division Duplex (FDD) mode of an LTE system.
- FDD Frequency Division Duplex
- a 10 ms radio frame has a length of 0.5 ms, number # A slot of 0 ⁇ #19 is composed, and slot 2i and slot 2i+1 form a subframe of length 1 ms.
- the LTE system uses a subframe of a regular cyclic prefix, one slot contains 7 lengths of uplink/downlink symbols; when the LTE system uses a subframe with extended cyclic prefix, one slot contains 6 lengths of up/down symbols.
- a resource element is one subcarrier in one OFDM symbol. If the LTE system uses a subframe with a regular cyclic prefix, one downlink resource block (RB, Resource Block) consists of 12 consecutive subcarriers and 7 consecutive 7 carriers. OFDM symbol composition; if the LTE system uses a subframe with an extended cyclic prefix, one RB is composed of 12 consecutive subcarriers and 6 consecutive OFDM symbols, which is 180 kHz in the frequency domain and a time slot of a general time slot in the time domain. as shown in picture 2. When the resources are allocated, The resource block is used as the basic unit for allocation.
- the LTE system supports 4-antenna multiple-input multiple-output (MIMO) system applications.
- the corresponding antenna port #0, antenna port #1, antenna port #2, and antenna port #3 are all used.
- the cell-specific reference signals (CRS) of the bandwidth When the cyclic prefix of the subframe is a regular cyclic prefix, the location of the CRS in the physical resource block is as shown in FIG. 3a; when the cyclic prefix of the subframe is an extended cyclic prefix, the location of the CRS in the physical resource block is as shown in FIG. 3b. Show.
- there is a UE-specific reference signal which is only in the time-frequency domain where the user-specific physical downlink shared channel (PDSCH) is located. Transmission, wherein the functions of the CRS include measurement of downlink channel quality and estimation (demodulation) of the downlink channel.
- PDSCH physical downlink shared channel
- the base station needs to measure the location of the terminal (UE) in the cell, so that the UE can be effectively configured and scheduled.
- the CRS is used to measure the UE.
- the power of the CRS is semi-statically configured, the positioning performance of the UE is affected. limit.
- the solution to the above problem is to perform positioning by transmitting a Position Reference Signal (PRS) to ensure the positioning accuracy of the UE.
- PRS Position Reference Signal
- the transmission period of the PRS is 160ms, 320ms, 640ms, 1280ms, and the number of consecutive subframes transmitted by the PRS is 1, 2, 4, ⁇ ( ⁇ fl)
- x 2 (i + 31) (x 2 ( + 3) + x 2 (i + 2) + x 2 (i + 1) + x 2 ( )) mod 2.
- N c 1600
- k 6m + [6-l + v shift ⁇ mod 6
- Nrb the maximum bandwidth of the downlink.
- V shift ⁇ 2 mod 6
- each radio frame generates a pseudo-random sequence.
- the technical problem to be solved by the present invention is to provide a method for transmitting a positioning reference signal, which can ensure that an effective PRS sequence can be obtained in various scenarios, thereby ensuring the implementation of the PRS positioning function.
- the present invention provides a method for transmitting a positioning reference signal, which includes: acquiring a currently required positioning reference signal PRS sequence, which is a PRS bandwidth configured by a high layer signaling, expressed in units of resource blocks;
- the obtained PRS sequence is transmitted at the determined location.
- the ZXV ⁇ long PRS sequence is represented by l ' n ,
- Z is the OFDM symbol in a slot Index
- CW is the first pseudo-random sequence generated by the initial value of the pseudo-random sequence 2xN PRS
- the obtaining the currently required PRS sequence of length V is: generating a length of The maximum bandwidth for the downlink;
- the PRS sequence of ⁇ is taken from the generated PRS sequence of length ⁇ .
- the 2 ⁇ N :' DL PRS sequence is ⁇ ' (m) : Wherein, is a slot index in a radio frame, Z is an index of an OFDM symbol in one slot, and C ') is a second pseudo-random sequence generated by an initial value of the pseudo-random sequence ⁇ ".
- the subframe is a non-MBSFN subframe
- the PRS sequence intercepted from the generated PRS sequence of length ZX V ⁇ is:
- the location of the determined PRS sequence in the physical resource block is 6 + (5_ + v ) mod6
- ⁇ 0,1,K ,2-NTM s -l .
- Z is the index of the OFDM symbol in one slot
- k is the subcarrier index on the OFDM symbol
- p is the antenna port
- Vshift is the frequency domain initial position of the PRS sequence in the physical resource block.
- the PRS sequence obtained by transmitting the determined position is:
- the PRS sequence obtained by transmitting the determined position is:
- the carrier mapped with the PRS is avoided.
- the data carried by the PRS and the R8 version of the PDSCH is transmitted on the same resource unit RE, only the PRS data on the RE is transmitted.
- the PRS sequence obtained by transmitting the determined position is:
- the RE of each PRS is consistent with the RE power of the data carried on the PDSCH on the OFDM symbol; the data carried on the PRS sequence and the PDSCH When transmitting on different bandwidths, the RE of each PRS is equal to 6 times the RE power of the data carried on the PDSCH on the OFDM symbol.
- the PRS sequence obtained by transmitting the determined position is:
- the transmission power of the PRS sequence shown is the same as the transmission power of the cell common reference signal CRS; or the transmission power of the PRS sequence is configured by signaling.
- the present invention also provides a transmission system for locating a reference signal, comprising: acquiring a PRS sequence unit, a positioning unit, and a transmitting unit; wherein, obtaining a PRS sequence unit, for acquiring a currently required 2 ⁇ ⁇ ⁇ ⁇ PRS sequence, ⁇ 5 is PRS bandwidth configured by high layer signaling; Position in
- a sending unit configured to send, at a location determined by the positioning unit, a PRS sequence obtained by acquiring the PRS sequence unit.
- the obtaining unit includes a PRS sequence unit and an intercepting unit; wherein
- v N dish ' DL intercept unit used to generate a PRS of length ⁇ from the generated PRS sequence unit
- the PRS sequence of ⁇ is intercepted in the sequence.
- FIG. 1 is a schematic diagram of a radio frame structure of an LTE system
- FIG. 2 is a schematic diagram of physical resource blocks of an LTE system with a system bandwidth of 5 MHz;
- FIG. 3a is a schematic diagram of a location of a reference signal common to a cell in an LTE system in a physical resource block.
- FIG. 3b is another schematic diagram of a location of a reference signal common to a cell in an LTE system in a physical resource block;
- 4a is a schematic diagram of the location of a PRS in a physical resource block in an existing scheme
- Figure 4b is another schematic diagram of the location of the existing scheme PRS in the physical resource block
- FIG. 5 is a schematic diagram of a position of a PRS in a physical resource block when a subframe is MBSFN;
- FIG. 6 is a flowchart of a method for transmitting a PRS according to an embodiment of the present invention
- FIG. 7 is a flow chart showing an application example of a method for performing positioning using the PRS transmission method of the present invention
- FIG. 8 is a schematic diagram of a transmission system of a PRS according to an embodiment of the present invention.
- FIG. 6 is a flowchart of a method of transmitting a PRS according to an embodiment of the present invention. As shown in FIG. 6, the method for transmitting a PRS according to an embodiment of the present invention includes:
- Step 600 Obtain the currently required PRS sequence of length ⁇ , expressed in units of resource blocks; the specific implementation has two ways, as follows:
- h (N- L -N R p B Rs ) 2 where is a radio frame Slot index, Z is the OFDM symbol in a slot
- CW is a pseudo-random sequence generated according to the initial value 6 of the pseudo-random sequence.
- MMSFN Multicast Broadband Single Frequency Network
- the currently required PRS sequence l ' n s J is directly obtained, and the procedure of first generating a predetermined length of the PRS sequence and then intercepting is omitted, and the operation is more convenient and direct.
- the PRS sequence l' n in this embodiment is defined according to the following formula: Wherein, is the slot index in a radio frame, ⁇ is the index of the OFDM symbol in one slot, is the maximum bandwidth of the downlink, c ( ) is based on generating a pseudo-random sequence, and the detailed generation method and the method described above Similarly, the description will not be repeated here.
- the subframe is a non-MBSFN subframe
- the subframe is an MBSFN subframe
- the starting position at the time of the interception ⁇ RB is acceptable.
- the interception may be started from a fixed position of the PRS sequence 1 ', or may be dynamically intercepted according to the bandwidth of the current PRS. If the starting position begins to intercept; , the last position of the RB RB is intercepted, ie
- the PRS sequence of the unneeded length is subtracted from the starting position; if ⁇ i , RB , the dynamic interception can be performed according to the bandwidth of the current PRS, that is, h can be generated according to the bandwidth of the current PRS.
- the PRS sequence of the downlink maximum bandwidth length is generated first, and then from the PRS ⁇ ( ⁇ fl) r ( ⁇ ',
- the sequence ⁇ ' ⁇ intercepts the PRS sequence l ' n s of the current required bandwidth length, so that an effective PRS sequence can be obtained under any circumstances, thereby ensuring the positioning function of the PRS. ⁇ ,)
- Step 601 Determine the location of the PRS sequence ⁇ ⁇ in the physical resource block. This step The specific implementation method is as follows: first, obtain the frequency domain initial position of the PRS sequence ", ⁇ ft
- the position in the physical resource block of the configuration of the PRS sequence ( ) is acquired by the frequency domain initial position Vshlft .
- the PRS sequence is in the configured physical resource k 6q + ⁇ 6-l + v sMft ) mod6
- the PRS sequence is 6 + (5_/ + v ) mod6 in the configured physical resource block.
- mapping is similar to the conventional cyclic prefix and the extended cyclic prefix, which can be implemented in the same way, which reduces the complexity of the implementation;
- the sequence of the foregoing steps 600 and 601 may be arbitrarily combined, that is, the location of the PRS sequence " n s" in the physical resource block may be determined first, and then the currently required PRS sequence may be obtained, or the currently required RB may be obtained. Determination of the PRS order ⁇ (f ⁇ i ' during the course of the PRS sequence
- Step 602 Send a PRS sequence ⁇ ' ( m ) at the determined physical resource location; where, mapping the PRS sequence r ( m ) to the polyphony of the antenna port p slot according to the following formula On the symbol W, and transmitted, there is: k, 1 l ' n s , indicating that the PRS sequence l , ) is transmitted on the carrier k on the Zth OFDM in the "s slot" on the antenna port p.
- the PRS When the PRS is associated with a physical downlink control channel (PDCCH, Physical downlink control channel), a physical hybrid-ARQ indicator channel (PHICH), a primary synchronization (PSCH) channel, and a secondary synchronization (SSCH, Secondary synchronization)
- PDCCH Physical downlink control channel
- PHICH physical hybrid-ARQ indicator channel
- PSCH primary synchronization
- SSCH secondary synchronization
- PBCH Physical Broadcast Channel
- the PRS mapping is avoided. That is, when the data carried on the PDSCH of the R10 and R9 versions is matched at the rate, the code is removed according to the resources occupied by the PRS.
- the length of the data after the rate matching, that is, the PDSCH of the R10 and R9 versions avoids the carrier mapped with the PRS when mapping;
- the PDSCH data of the R8 version is destroyed, or the data carried on the R8 version of the PDSCH on the RE is not sent, and only the RE is sent. PRS data.
- the RE of each PRS is consistent with the other RE powers of the PDSCH on the OFDM symbol, so that the power of the entire system can be guaranteed.
- the control operation is more simple; when the data carried on the PRS and the PDSCH is transmitted on different bandwidths, the power of the RE of each PRS is equal to 6 times of the other RE powers on the OFDM symbol, and the total power is constant.
- the power of the RE of the PRS is increased, thereby improving the performance of transmitting the PRS;
- the transmit power may be 0, that is, the PRS is not sent; or the transmit power of the PRS may be consistent with the transmit power of the CRS; or, the transmit power of the PRS may be configured by signaling, that is, axr ln m ', , a is power Adjustment factor, (The value of X is controlled by higher layer signaling.
- FIG. 7 is a flowchart of an application example of a method for performing positioning using the PRS transmission method of the present invention, as shown in FIG. 7, the present embodiment using the present invention
- the method for positioning by the PRS sending method includes the following steps:
- Step 700 The base station transmits configuration information to the UE.
- the configuration information includes locating the coordinated cell set (the positioning coordinated cell set includes at least the cell ID), the PRS occurrence period and the initial subframe, and the number of consecutively transmitted subframes and the transmission bandwidth.
- Step 701 The base station acquires the currently required Z PRS sequence, ).
- Step 702 The base station determines the location of the PRS sequence ⁇ ⁇ in the physical resource block.
- Specific implementation and diagram of steps 701 to 703 The steps of the method for transmitting the PRS in the embodiment shown in FIG. 6 are similar, and are not described herein again.
- Step 704 The UE receives the PRS according to the configuration information of the base station, and performs positioning.
- the UE feeds back the positioning information to the base station.
- FIG. 8 is a schematic diagram of a transmission system for positioning a reference signal according to an embodiment of the present invention.
- the transmission system of the positioning reference signal includes a PRS sequence unit, a positioning unit, and a transmitting unit.
- the obtaining the PRS sequence unit may directly generate the currently required PRS sequence ⁇ ( m ) , where is the PRS bandwidth configured by the high layer signaling;
- acquiring the PRS sequence unit further includes: generating the PRS sequence unit and the intercepting unit, where the generating the PRS Sequence unit for generating a length of The maximum bandwidth for the downlink;
- v N dish ' DL intercept unit used to generate a PRS of length ⁇ from the generated PRS sequence unit
- the PRS sequence of ⁇ is intercepted in the sequence.
- a sending unit configured to send, at a location determined by the positioning unit, a PRS sequence obtained by acquiring the PRS sequence unit.
- each unit in the transmission system of the positioning reference signal is similar to the implementation in the method of transmitting the positioning reference signal above, and the description thereof will not be repeated here.
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Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2012101662/08A RU2487492C1 (ru) | 2009-07-24 | 2009-12-30 | Способ и система передачи опорного позиционного сигнала |
MX2012001001A MX2012001001A (es) | 2009-07-24 | 2009-12-30 | Metodo y sistema para transmitir señales de referencia de posicion. |
BR112012001283-5A BR112012001283B1 (pt) | 2009-07-24 | 2009-12-30 | método e sistema para transmitir sinal de referência de posição |
US13/257,847 US8654727B2 (en) | 2009-07-24 | 2009-12-30 | Method and system for transmitting position reference signal |
JP2012519870A JP5478721B2 (ja) | 2009-07-24 | 2009-12-30 | 位置決定基準信号の送信方法及びシステム |
KR20127004632A KR101364951B1 (ko) | 2009-07-24 | 2009-12-30 | 포지셔닝 기준 신호의 송신 방법 및 시스템 |
EP09847511.4A EP2439965B1 (en) | 2009-07-24 | 2009-12-30 | Method and system for transmitting position reference signal |
Applications Claiming Priority (2)
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CN200910161521.4 | 2009-07-24 | ||
CN2009101615214A CN101616360B (zh) | 2009-07-24 | 2009-07-24 | 一种定位参考信号的发送方法及系统 |
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WO2011009277A1 true WO2011009277A1 (zh) | 2011-01-27 |
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PCT/CN2009/076288 WO2011009277A1 (zh) | 2009-07-24 | 2009-12-30 | 一种定位参考信号的发送方法及系统 |
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US (1) | US8654727B2 (zh) |
EP (1) | EP2439965B1 (zh) |
JP (1) | JP5478721B2 (zh) |
KR (1) | KR101364951B1 (zh) |
CN (1) | CN101616360B (zh) |
BR (1) | BR112012001283B1 (zh) |
MX (1) | MX2012001001A (zh) |
RU (1) | RU2487492C1 (zh) |
WO (1) | WO2011009277A1 (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130250923A1 (en) * | 2012-03-23 | 2013-09-26 | Telefonaktiebolaget L M Ericsson (Publ) | Bandwidth adaptive reference signals |
RU2704254C1 (ru) * | 2016-05-12 | 2019-10-25 | Гуандун Оппо Мобайл Телекоммьюникейшнз Корп., Лтд. | Способ передачи сигналов, сетевое оборудование и терминальное оборудование |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101997568B (zh) * | 2009-08-18 | 2014-09-03 | 华为技术有限公司 | 一种对定位参考信号进行加扰的方法及装置 |
CN102123502B (zh) * | 2010-01-08 | 2013-01-23 | 华为技术有限公司 | 一种序列调制的信号的传输方法及装置 |
CN102148786B (zh) * | 2010-02-09 | 2013-09-25 | 华为技术有限公司 | 中继链路下行控制信道的资源映射方法和装置 |
JP5796085B2 (ja) * | 2010-12-14 | 2015-10-21 | エルジー エレクトロニクス インコーポレイティド | 端末の位置を測定するための方法 |
CN102594756B (zh) * | 2011-01-07 | 2016-09-07 | 中兴通讯股份有限公司 | 定位参考信号子帧的传输方法及系统 |
US9258718B2 (en) * | 2011-02-22 | 2016-02-09 | Qualcomm Incorporated | Positioning location for remote radio heads (RRH) with same physical cell identity (PCI) |
KR101769379B1 (ko) * | 2011-04-21 | 2017-08-30 | 엘지전자 주식회사 | 무선 통신 시스템에서 랜덤 액세스 응답 신호 송신 방법 및 이를 위한 장치 |
CN102769593A (zh) * | 2011-05-04 | 2012-11-07 | 普天信息技术研究院有限公司 | 一种用于通信系统的下行参考信号的生成方法及装置 |
US20140112312A1 (en) * | 2011-05-11 | 2014-04-24 | Lg Electronics Inc. | Method for transmitting signal using plurality of codewords in wireless communication system and transmission end for same |
US8718003B2 (en) * | 2011-06-20 | 2014-05-06 | Samsung Electronics Co., Ltd. | System and method for an uplink control signal in wireless communication systems |
CN104205669B (zh) * | 2012-01-19 | 2017-09-22 | 三星电子株式会社 | 用于增强的物理下行链路控制信道的导频加扰的装置和方法 |
CN104283820A (zh) * | 2013-07-03 | 2015-01-14 | 普天信息技术研究院有限公司 | 一种通信系统中确定信噪比的方法 |
WO2015113312A1 (en) * | 2014-01-30 | 2015-08-06 | Qualcomm Incorporated | PRS AND eMBMS SUPPORT UNDER eIMTA IN LTE |
KR102301826B1 (ko) * | 2014-08-27 | 2021-09-14 | 삼성전자 주식회사 | 무선 통신 시스템 및 그 시스템에서 간섭 조정을 위한 자원 관리 방법 |
CN104469931A (zh) * | 2014-11-05 | 2015-03-25 | 中兴通讯股份有限公司 | 一种定位增强的方法及设备 |
US9686064B2 (en) | 2015-01-21 | 2017-06-20 | Intel IP Corporation | Devices and methods for HARQ-ACK feedback scheme on PUSCH in wireless communication systems |
KR102399454B1 (ko) * | 2015-01-26 | 2022-05-19 | 애플 인크. | 수평 및 수직 위치확인 정확도 |
CN106211312B (zh) * | 2015-04-30 | 2020-06-26 | 索尼公司 | 无线通信系统中的电子设备和无线通信方法 |
CN105188025B (zh) * | 2015-06-04 | 2018-08-21 | 深圳信息职业技术学院 | 一种定位参考信号的发送方法及系统 |
US10736113B2 (en) * | 2016-02-16 | 2020-08-04 | Qualcomm Incorporated | Positioning signal techniques for narrowband devices |
US10897746B2 (en) | 2016-09-13 | 2021-01-19 | Lg Electronics Inc. | Method and wireless device for performing position measurement in NB IoT |
US10736074B2 (en) | 2017-07-31 | 2020-08-04 | Qualcomm Incorporated | Systems and methods to facilitate location determination by beamforming of a positioning reference signal |
CN108650001B (zh) * | 2017-08-11 | 2019-07-19 | 华为技术有限公司 | 一种信号加扰、解扰方法及装置 |
CN110351682B (zh) * | 2018-04-02 | 2021-08-20 | 华为技术有限公司 | 一种通信设备定位方法及相关设备 |
CN110366093A (zh) | 2018-04-03 | 2019-10-22 | 索尼公司 | 电子设备、用户设备、方法和计算机可读存储介质 |
CN110365455B (zh) * | 2018-04-09 | 2021-07-30 | 大唐移动通信设备有限公司 | 一种定位参考信号传输方法及装置 |
CN110662227B (zh) * | 2018-06-28 | 2021-01-08 | 维沃移动通信有限公司 | 定位参考信号配置、接收方法和设备 |
WO2020005547A1 (en) * | 2018-06-29 | 2020-01-02 | Qualcomm Incorporated | Positioning reference signal transmission with controlled transmission power and bandwidth |
US11032044B2 (en) * | 2018-06-29 | 2021-06-08 | Qualcomm Incorporated | Positioning reference signal transmission with controlled transmission power and bandwidth |
CN112771394A (zh) * | 2018-08-03 | 2021-05-07 | 瑞典爱立信有限公司 | 用于参考信号的动态配置的方法 |
US11290229B2 (en) * | 2018-08-10 | 2022-03-29 | Mediatek Inc. | Reference signal design for NR downlink positioning: supplementary RS design |
CN110535586B (zh) * | 2018-08-20 | 2022-07-15 | 中兴通讯股份有限公司 | Prs的生成方法、相关装置及通信系统 |
WO2020037660A1 (zh) * | 2018-08-24 | 2020-02-27 | 华为技术有限公司 | 数据传输方法和装置 |
CN110535511B (zh) * | 2018-09-04 | 2022-08-19 | 中兴通讯股份有限公司 | 一种定位参考信号传输方法和装置 |
CN111132221B (zh) * | 2018-11-01 | 2021-08-27 | 华为技术有限公司 | 传输参考信号的方法与设备 |
US12082144B2 (en) | 2018-11-02 | 2024-09-03 | Telefonaktiebolaget Lm Ericsson (Publ) | Methods, apparatus and machine-readable mediums relating to reference signals for positioning in a wireless network |
US11777764B2 (en) | 2019-03-28 | 2023-10-03 | Qualcomm Incorporated | Sounding reference signal waveform design for wireless communications |
CN113542178A (zh) * | 2019-04-28 | 2021-10-22 | 华为技术有限公司 | 生成参考信号的方法、检测参考信号的方法和通信装置 |
CN111342943B (zh) * | 2019-04-29 | 2021-07-02 | 维沃移动通信有限公司 | Prs资源配置方法、测量间隔配置方法和相关设备 |
US11239967B2 (en) | 2019-05-02 | 2022-02-01 | Qualcomm Incorporated | Patterns for reference signals used for positioning in a wireless communications system |
WO2020222618A1 (ko) * | 2019-05-02 | 2020-11-05 | 엘지전자 주식회사 | 무선 통신 시스템에서 신호를 송수신하는 방법 및 이를 지원하는 장치 |
US11522744B2 (en) * | 2019-07-12 | 2022-12-06 | Qualcomm Incorporated | Reference signal design for cellular broadcast |
CN111800241B (zh) * | 2019-07-31 | 2021-10-15 | 维沃移动通信有限公司 | 信息传输方法、装置、设备及介质 |
US11082183B2 (en) | 2019-09-16 | 2021-08-03 | Qualcomm Incorporated | Comb shift design |
WO2021092072A1 (en) * | 2019-11-07 | 2021-05-14 | Qualcomm Incorporated | Low-layer (dci or mac ce) dl puncturing indicator for positioning reference signals (prs) |
WO2024165473A1 (en) | 2023-02-06 | 2024-08-15 | Continental Automotive Technologies GmbH | Methods to coordinate sidelink positioning reference signal transmission by user equipments |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101340228A (zh) * | 2008-08-07 | 2009-01-07 | 中兴通讯股份有限公司 | 一种参考信号的传输方法 |
CN101483466A (zh) * | 2009-02-06 | 2009-07-15 | 中兴通讯股份有限公司 | 用户专有参考信号的映射方法 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8285226B2 (en) * | 2004-05-07 | 2012-10-09 | Qualcomm Incorporated | Steering diversity for an OFDM-based multi-antenna communication system |
KR101026469B1 (ko) | 2005-11-29 | 2011-04-01 | 삼성전자주식회사 | 직교주파수다중 방식의 무선통신 시스템에서 반송파 주파수동기 장치 및 방법 |
RU2310280C9 (ru) * | 2006-03-27 | 2008-01-10 | Закрытое акционерное общество "Кодофон" | Способ передачи-приема данных в системе радиосвязи (варианты), способ оценки интервала корреляции принятых ортогональных частотно-мультиплексированных символов (варианты) и устройство их реализующее (варианты) |
CN101296030A (zh) * | 2007-04-28 | 2008-10-29 | 北京三星通信技术研究有限公司 | 时分双工系统中下行参考信号的传输设备和方法 |
CN101447815B (zh) * | 2007-11-27 | 2013-02-13 | 电信科学技术研究院 | 一种波束赋形传输的方法和装置 |
CN101483455B (zh) * | 2008-01-07 | 2012-10-17 | 电信科学技术研究院 | 一种在物理资源块中插入专用参考信号的方法和装置 |
CN101335713B (zh) * | 2008-07-25 | 2012-05-09 | 中兴通讯股份有限公司 | 物理随机接入信道的传输方法及确定频域初始位置的方法 |
CN101394263B (zh) * | 2008-10-29 | 2012-02-29 | 中兴通讯股份有限公司 | 上行信道测量参考信号及其带宽范围频域位置的映射方法 |
KR101273293B1 (ko) * | 2009-04-27 | 2013-06-11 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 포지셔닝 기준 신호 |
US9002354B2 (en) * | 2009-06-12 | 2015-04-07 | Google Technology Holdings, LLC | Interference control, SINR optimization and signaling enhancements to improve the performance of OTDOA measurements |
US8891480B2 (en) * | 2009-07-01 | 2014-11-18 | Qualcomm Incorporated | Positioning reference signals in a telecommunication system |
-
2009
- 2009-07-24 CN CN2009101615214A patent/CN101616360B/zh active Active
- 2009-12-30 KR KR20127004632A patent/KR101364951B1/ko active IP Right Grant
- 2009-12-30 EP EP09847511.4A patent/EP2439965B1/en active Active
- 2009-12-30 US US13/257,847 patent/US8654727B2/en active Active
- 2009-12-30 BR BR112012001283-5A patent/BR112012001283B1/pt active IP Right Grant
- 2009-12-30 RU RU2012101662/08A patent/RU2487492C1/ru active
- 2009-12-30 JP JP2012519870A patent/JP5478721B2/ja active Active
- 2009-12-30 MX MX2012001001A patent/MX2012001001A/es active IP Right Grant
- 2009-12-30 WO PCT/CN2009/076288 patent/WO2011009277A1/zh active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101340228A (zh) * | 2008-08-07 | 2009-01-07 | 中兴通讯股份有限公司 | 一种参考信号的传输方法 |
CN101483466A (zh) * | 2009-02-06 | 2009-07-15 | 中兴通讯股份有限公司 | 用户专有参考信号的映射方法 |
Non-Patent Citations (3)
Title |
---|
LG ELECTRONICS: "R1-092483, Details on PRS Sequence", 3GPP TSG RAN WG1 #57 BIS, 29 June 2009 (2009-06-29), XP050350991 * |
NORTEL: "Rl-091911, Discussions on UE positioning issues", 3GPP TSG-RAN WG1 #57, 4 May 2009 (2009-05-04), XP050339399 * |
See also references of EP2439965A4 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130250923A1 (en) * | 2012-03-23 | 2013-09-26 | Telefonaktiebolaget L M Ericsson (Publ) | Bandwidth adaptive reference signals |
US9572152B2 (en) * | 2012-03-23 | 2017-02-14 | Telefonaktiebolaget L M Ericsson (Publ) | Bandwidth adaptive reference signals |
RU2704254C1 (ru) * | 2016-05-12 | 2019-10-25 | Гуандун Оппо Мобайл Телекоммьюникейшнз Корп., Лтд. | Способ передачи сигналов, сетевое оборудование и терминальное оборудование |
US10849102B2 (en) | 2016-05-12 | 2020-11-24 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Signal transmission method, network device, and terminal device |
US11076384B2 (en) | 2016-05-12 | 2021-07-27 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Signal transmission method, network device, and terminal device |
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US8654727B2 (en) | 2014-02-18 |
EP2439965A4 (en) | 2015-01-21 |
BR112012001283B1 (pt) | 2020-12-08 |
RU2487492C1 (ru) | 2013-07-10 |
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EP2439965B1 (en) | 2016-05-11 |
EP2439965A1 (en) | 2012-04-11 |
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