CN101340227B - Transmitting method and apparatus of downlink reference signal - Google Patents

Transmitting method and apparatus of downlink reference signal Download PDF

Info

Publication number
CN101340227B
CN101340227B CN 200810135190 CN200810135190A CN101340227B CN 101340227 B CN101340227 B CN 101340227B CN 200810135190 CN200810135190 CN 200810135190 CN 200810135190 A CN200810135190 A CN 200810135190A CN 101340227 B CN101340227 B CN 101340227B
Authority
CN
China
Prior art keywords
antenna
reference signal
same
domain
adjacent
Prior art date
Application number
CN 200810135190
Other languages
Chinese (zh)
Other versions
CN101340227A (en
Inventor
夏树强
戴博
梁春丽
郝鹏
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to CN 200810135190 priority Critical patent/CN101340227B/en
Publication of CN101340227A publication Critical patent/CN101340227A/en
Application granted granted Critical
Publication of CN101340227B publication Critical patent/CN101340227B/en

Links

Abstract

The invention discloses a sending method for descending reference signals and a device thereof based on a transmit manner of 8 antennae; the 8 antennae are represented by logic indexes 0-7. The method comprises the following steps: the frequency domain sending position and the time domain sending position of reference signals of the antennae are set; the frequency domain sending position is set as follows: the interval of the reference signals of the same antenna on the same OFDM symbol is 12 REs, and the interval of adjacent reference signals is 3 REs; the interval of two adjacent reference signals in frequency domain of the same antenna of two adjacent OFDM symbols is 6 REs; the time domain sending position is set as follows: the reference signals of the antennae with the logic index being 0 to 3 are on the same OFDM symbol; the reference signals of the antennae with the logic index being 4 to 7 are on the same OFDM symbol; the logic indexes are mapped into interfaces of the antenna, and corresponding antenna reference signals are sent at the interfaces of the antenna. The method and the device can support channel estimation of an 8-antenna system on the premise of ensuring the same cost as that of 4 antennae.

Description

下行参考信号的发送方法和装置 A method and apparatus for transmitting downlink reference signal

技术领域 FIELD

[0001] 本发明涉及通信领域,具体而言,涉及ー种下行參考信号的发送方法和装置。 , Relates to a method and apparatus for transmitting downlink reference signal ー species [0001] The present invention relates to communication field, in particular.

背景技术 Background technique

[0002]在目前的 LTE (Long-Term Evolution,长期演进)系统中,LTE 系统TDD (TimeDivision Duplex,时分双エ)模式的巾贞结构又称为第二类巾贞结构(Frame StructureType2),图I是根据相关技术的LTE系统TDD模式的帧结构的示意图,如图I所示,在这种帧结构中,ー个IOms (即,307200Ts,lms = 30720Ts)的无线帧被分成两个半帧,每个半帧长5ms (即,153600Ts)。 [0002] In the current LTE (Long-Term Evolution, LTE) system, the structure of the LTE system Chen towel TDD (TimeDivision Duplex, Ester Division Duplex) mode, also called a second type Fok towel structure (Frame StructureType2), FIG. I is a schematic view of a frame structure of the TDD mode of LTE system related art, as shown in FIG. I, in this frame structure, a IOMS ー (i.e., 307200Ts, lms = 30720Ts) radio frame is divided into two half-frames each half-frame length 5ms (i.e., 153600Ts). 姆个半巾贞包含5个长度为Ims的子巾贞。 Farm half contains five Fok towel length Ims sub Zhen towel. 此外,一个上行或下行子帧又分成2个O. 5ms的时隙。 In addition, a downlink or uplink sub-frame is divided into time slots 2 O. 5ms. 每个子帧可以起到不同的作用,例如,D代表用于传输下行信号的下行子巾贞,U代表用于传输上行信号的上行子巾贞,S代表特殊子巾贞,包含三个特殊时隙: 即DwPTS (Downlink Pilot Time Slot,下行导频时隙)、GP (Guard Period,保护间隔)及UpPTS (Uplink Pilot TimeSlot,上行导频时隙)。 Each subframe may serve different purposes, e.g., D represents a downlink sub-Zhen towel transmitting downlink signals, U represents an uplink sub-Zhen towel for transmitting an uplink signal, S for special sub-Zhen towels, comprise three special time gap: i.e., DwPTS (downlink pilot Time slot, a downlink pilot time slot), GP (Guard Period, a guard interval) and UpPTS (uplink pilot timeSlot, uplink pilot time slot). 在实际系统中,上/下行配制索引会通过广播消息通知给移动終端。 In a practical system, uplink / downlink index is formulated to notify the mobile terminal through a broadcast message.

[0003] LTE系统FDD (Frequency Division Duplex,频分双エ)模式的巾贞结构又称为第一类中贞结构(即,Frame Structure Typel),图2是根据相关技术的LTE系统FDD模式的巾贞结构的示意图,如图2所示,ー个IOms的无线帧被分成20个0. 5ms的时隙,相邻的2个时隙组成ー个长度为Ims的子帧,即,子帧i由时隙2i和2i+l组成,其中,i =0,1,...,9.在FDD模式下,10个子帧都用于上行信号或者下行信号的传输,上/下行之间通过不同的频带进行区分。 [0003] The structure of the LTE system Zhen towel FDD (Frequency Division Duplex, frequency division bis Ester) mode, also known as the first type of infidelity structure (i.e., Frame Structure Typel), FIG. 2 is a system according to the LTE FDD mode in the related art Chen schematic towel structure shown in Figure 2, a IOms ー radio frame is divided into 20 time slots 0. 5ms, two adjacent slots ー subframe length Ims, i.e., sub-frame i by the slot 2i and 2i + l, where, i = 0,1, ..., 9. in the FDD mode, 10 subframes are used for uplink signal or a downlink transmission signal, passes between upper / downlink to distinguish different frequency bands.

[0004] LTE系统中的资源分配以RB (Resource Block,资源块)为单位,一个RB在频域上占用12个RE (Resource Element,资源元素,一个RE在时域上占用一个OFDM符号),ー个RB在时域上占用ー个时隙,即,ー个RB在时域上占用7个或者6个OFDM (OrthogonalFrequency Division Multiplexing,正交频分复用)符号,也就是说,一个RB在普通CP (Normal Cyclic Prefix,循环前缀)的条件下,占用7个OFDM符号,在扩展CP(Extended Cyclic Prefix,扩展循环前缀)的条件下,占用6个OFDM符号。 [0004] resource allocation in the LTE system to RB (Resource Block, resource blocks) as a unit, one RB occupies 12 RE in the frequency domain (Resource Element, resource elements, one RE occupies one OFDM symbol in the time domain),ー a RB in the time domain occupied ー slots, i.e., occupied RB number ー six or seven OFDM (OrthogonalFrequency division multiplexing, orthogonal frequency division multiplexing) symbols in the time domain, i.e., in a RB lower (normal cyclic prefix, cyclic prefix) in normal conditions the CP, 7 OFDM symbols occupied, at the extended CP (extended cyclic prefix, an extended cyclic prefix), and occupies 6 OFDM symbols. 图3是根据相关技术的资源块与资源单位关系的示意图,如图3所示,在普通CP的条件下,如果定义下 FIG 3 is a schematic view of the relationship between resource blocks and resource units of the related art, as shown, under the conditions of a normal CP, if the defined 3

行系统带宽对应的RB总数为iV念,则RB的索引为0,1,......, -Io Line system bandwidth corresponding to the total number of RB iV read, the RB index is 0,1, ......, -Io

[0005] 为了提高数据速率,LTE系统使用了多天线技术,基站侧最多支持4根发射天线。 [0005] In order to increase the data rate, LTE system uses a multi-antenna technology to support up to four transmitting antennas the base station side. LTE系统的后续演进系统(LTE-Advance系统)需要支持更高的传输速率,基站侧需要支持的天线数达到8根,因此需要一种能够支持8天线场景的导频设计方案。 The number of antenna systems follow the evolution of the LTE system (LTE-Advance system) needs to support a higher transmission rate, the base station needs to support side reaches eight, and therefore a need for a pilot to support eight antenna design scenarios.

发明内容 SUMMARY

[0006] 针对相关技术中需要一种能够支持8天线场景的导频设计方案的问题而提出本发明,为此,本发明g在提供ー种下行导频信号的发送方法和装置,以解决上述问题。 While the present invention has the problem of design of [0006] the antenna 8 can support a need for a scene of the related art for the pilot, for the present invention to provide ー g species downlink pilot transmission method and apparatus for pilot signal, in order to solve the above problem. [0007] 根据本发明的ー个方面,提供了ー种下行參考信号的发送方法。 [0007] According ー aspect of the invention there is provided a method for transmitting downlink reference signal ー species.

[0008] 根据本发明的下行參考信号的发送方法,基于8天线发射方式,8天线分别用逻辑索引0-7表示,上述方法包括:设置天线的參考信号的频域发送位置和时域发送位置;其中,对于频域发送位置按照以下方式进行设置:根据小区标识确定每根天线的參考信号在频域的初始位置;在同一个正交频分复用符号上,将同一天线的參考信号间隔设置为12个资源元素,将相邻两根天线的參考信号间隔设置为3个资源元素;在发送相同的天线的參考信号的两个相邻的正交频分复用符号上,将同一天线在频域上相邻的两个參考信号间隔设置为6个资源元素,其中,參考信号间隔为η是指两个參考信号所占用的资源元素之间有η-I个资源元素,η的取值为以下之一:3、6、12 ;对于时域发送位置按照以下方式进行设置:将逻辑索引为0、1、2、3的天线的參考信号设置在同一个 [0008] The downlink reference signal transmission method of the present invention, based on the transmission mode antenna 8, the antenna 8 are represented by logical indexes 0-7, said method comprising: transmitting a frequency domain and a time domain transmission position location antenna set of the reference signal ; wherein the frequency domain for transmitting position is set as follows: a cell identifier of each antenna is determined according to the reference signal in the frequency domain initial position; the same orthogonal frequency division multiplexing symbol on the same antenna with a reference signal interval to 12 resource elements, the adjacent two antennas spaced reference signals to resource elements 3; two reference signals at the same transmission antenna adjacent an orthogonal frequency division multiplexing symbols on the same antenna in the frequency domain of two adjacent reference signal interval is set to 6 resource elements, wherein the reference signal interval is [eta] is η-I refers to resource elements between two resource elements occupied by the reference signal, [eta] is taken is one of the following: 3,6 and 12; for the temporal position of the transmission is set as follows: the index of the reference signal is set to logic 0, 1, in the same antenna 正交频分复用符号上;将逻辑索引为4、5、6、7的天线的參考信号设置在同一个正交频分复用符号上;将逻辑索引映射成天线端ロ,并在天线端ロ发送对应的天线參考信号。 On an orthogonal frequency division multiplexing symbols; the reference signal is set to a logical index 4,5,6,7 antenna in the same orthogonal frequency division multiplexing symbols; index mapped to the logical ro antenna terminal and the antenna ro terminal transmission antenna corresponding to the reference signal.

[0009] 根据本发明的另ー个方面,提供了ー种下行參考信号的发送装置。 [0009] According to another aspect ー present invention, there is provided a transmitting apparatus ー species downlink reference signal.

[0010] 根据本发明的下行參考信号的发送装置,基于8天线发射方式,8天线分别用逻辑索引0-7表示,上述装置包括:频域设置模块,用于设置天线的參考信号的频域发送位置;其中,对于频域发送位置按照以下方式进行设置:根据小区标识确定每根天线的參考信号在频域的初始位置;在同一个正交频分复用符号上,将同一天线的參考信号间隔设置为12个资源元素,将相邻两根天线的參考信号间隔设置为3个资源元素;在发送相同的天线的參考信号的两个相邻的正交频分复用符号上,将同一天线在频域上相邻的两个參考信号间隔设置为6个资源元素,其中,參考信号间隔为η是指两个參考信号所占用的资源元素之间有η-I个资源元素,η的取值为以下之一:3、6、12 ;时域设置模块,用于设置天线的參考信号的时域发送位置;其中,对于时域发送位置按照以下 [0010] The downlink reference signal transmitting apparatus according to the present invention, the transmission mode based on antenna 8, the antenna 8 are represented by logical indexes 0-7, said apparatus comprising: a frequency setting module and frequency domain, a reference signal for setting an antenna transmitting position; wherein the frequency domain for transmitting position is set as follows: a reference signal for each antenna in the frequency domain starting position is determined according to a cell identifier; frequency division multiplexed on the same orthogonal symbols with the same reference antenna a reference signal interval setting signal interval is set to 12 resource elements, two adjacent antennas is three resource elements; two reference signals at the same transmission antennas on adjacent orthogonal frequency division multiplexing symbols, the same antenna in the frequency domain of two adjacent reference signal interval is set to 6 resource elements, wherein the reference signal interval is [eta] is η-I refers to resource elements between two resource elements occupied by the reference signal, [eta] one of the following values: 6, 12; set time domain module, a time domain transmission signal for setting the position of the reference antenna; wherein the time domain for transmission position according to the following 式进行设置:将逻辑索引为0、1、2、3的天线的參考信号设置在同一个正交频分复用符号上;将逻辑索引为4、5、6、7的天线的參考信号设置在同一个正交频分复用符号上;映射模块,用于将逻辑索引映射成天线端ロ; 发送模块,用于在天线端ロ发送对应的天线參考信号。 Set the formula: the index of the reference signal is set to logic 0, 1 antenna at the same orthogonal frequency division multiplexing symbols; the reference signal is set to a logical index antenna 4,5,6,7 in the same orthogonal frequency division multiplexing symbols; mapping module, for mapping the logical index to the antenna terminal ro; transmitting means for transmitting antenna ro corresponding to the reference signal at the antenna.

[0011] 通过本发明,采用通过设置天线參考信号的频域发送位置和时域发送位置,并将逻辑索引映射成天线端ロ的方法,解决了相关技术中需要一种能够支持8天线场景的导频设计方案的问题,进而在保证与4天线相同开销的前提下,能够支持8天线系统的信道估计。 [0011] By the present invention, a frequency domain by providing a reference antenna transmits a location position and time domain transmission signal, and the logical index is mapped to the antenna terminal ro method to solve the related art a need for an antenna capable of supporting scene 8 the pilot design problem, and then the premise of ensuring the same overhead antenna 4, the antenna system 8 able to support channel estimation.

附图说明 BRIEF DESCRIPTION

[0012] 此处所说明的附图用来提供对本发明的进ー步理解,构成本申请的一部分,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。 [0012] The drawings described herein are used to provide further understanding of the intake ー invention, constitute part of this application, exemplary embodiments of the present invention are used to explain the present invention without unduly limiting the present invention. . 在附图中: In the drawings:

[0013] 图I是根据相关技术的LTE系统TDD模式的帧结构的示意图; [0013] FIG. I is a schematic view of a frame structure according to the related art TDD mode of LTE system;

[0014] 图2是根据相关技术的LTE系统FDD模式的帧结构的示意图; [0014] FIG. 2 is a diagram showing a frame structure of the FDD mode of LTE system according to related art;

[0015] 图3是根据相关技术的资源块与资源单位关系的示意图; [0015] FIG. 3 is a schematic diagram of the related art relationship between resource blocks and resource units;

[0016] 图4是根据本发明实施例的下行參考信号的发送方法的流程图; [0016] FIG. 4 is a flowchart of a method for transmitting downlink reference signal according to an embodiment of the present invention;

[0017] 图5是根据本发明实施例一的下行參考信号的发送方法的示意图; [0017] FIG. 5 is a schematic diagram of a downlink reference signal transmission method according to one embodiment of the present invention;

[0018] 图6是根据本发明实施例ニ的下行參考信号的发送方法的示意图;[0019] 图7是根据本发明实施例三的下行參考信号的发送方法的示意图; [0018] FIG. 6 is a schematic diagram of a downlink reference signal transmission method according to embodiments of the present invention, ni; [0019] FIG. 7 is a schematic diagram of a downlink reference signal transmission method according to a third embodiment of the present invention;

[0020] 图8是根据本发明实施例四的下行參考信号的发送方法的示意 [0020] FIG. 8 is a schematic of the downlink reference signal transmission method according to a fourth embodiment of the present invention,

[0021]图; [0021] FIG;

[0022] 图9是根据本发明实施例五的下行參考信号的发送方法的示意 [0022] FIG. 9 is a schematic of the downlink reference signal transmission method according to a fifth embodiment of the present invention,

[0023]图; [0023] FIG;

[0024] 图10是根据本发明实施例六的下行參考信号的发送方法的示意图; [0024] FIG. 10 is a schematic diagram of a downlink reference signal transmission method according to a sixth embodiment of the present invention;

[0025] 图11是根据本发明实施例七的下行參考信号的发送方法的示意图; [0025] FIG. 11 is a schematic diagram of a downlink reference signal transmission method according to a seventh embodiment of the present invention;

[0026] 图12是根据本发明实施例八的下行參考信号的发送方法的示意图; [0027] 图13是根据本发明实施例九的下行參考信号的发送方法的示意图; [0026] FIG. 12 is a schematic diagram of a downlink reference signal transmission method according to the eight embodiment of the present invention; [0027] FIG. 13 is a schematic diagram of a downlink reference signal transmission method according to a ninth embodiment of the present invention;

[0028] 图14是根据本发明实施例十的下行參考信号的发送方法的示意图; [0028] FIG. 14 is a schematic diagram of a downlink reference signal transmission method of Embodiment 10 of the embodiment of the present invention;

[0029] 图15是根据本发明实施例十一的下行參考信号的发送方法的示意图; [0029] FIG. 15 is a schematic diagram of a downlink reference signal transmission method according to an eleventh embodiment of the present invention;

[0030] 图16是根据本发明实施例十二的下行參考信号的发送方法的示意图; [0030] FIG. 16 is a schematic diagram of a downlink reference signal transmission method according to the twelve embodiment of the present invention;

[0031] 图17是根据本发明实施例十三的下行參考信号的发送方法的示意图; [0031] FIG. 17 is a schematic diagram of a downlink reference signal transmission method according to the present invention thirteen embodiment;

[0032] 图18是根据本发明实施例十四的下行參考信号的发送方法的示意图; [0032] FIG. 18 is a schematic diagram of a downlink reference signal transmission method according to fourteen embodiment of the invention;

[0033] 图19是根据本发明实施例十五的下行參考信号的发送方法的示意图; [0033] FIG. 19 is a schematic diagram of a downlink reference signal transmission method according to an embodiment of the present invention, fifteen;

[0034] 图20是根据本发明实施例十六的下行參考信号的发送方法的示意图; [0034] FIG. 20 is a schematic diagram of a downlink reference signal transmission method according to an embodiment of the present invention, sixteen;

[0035] 图21是根据本发明实施例的下行參考信号的发送装置的结构框图; [0035] FIG. 21 is a block diagram of the downlink reference signal transmission apparatus according to an embodiment of the present invention;

[0036] 图22是根据本发明实施例一的下行參考信号的发送装置的优选结构框图; [0036] FIG. 22 is a block diagram of a preferred embodiment of a downlink reference signal transmission apparatus according to an embodiment of the present invention;

[0037] 图23是根据本发明实施例ニ的下行參考信号的发送装置的优选结构框图。 [0037] FIG. 23 is a block diagram of a preferred downlink reference signal transmission apparatus according to the embodiment of the present invention ni.

具体实施方式 Detailed ways

[0038] 功能概述 [0038] Functional Overview

[0039] 本发明设计了新的8天线导频结构,即,提供了8天线时导频信号(又称为參考信号,Reference Signal,简称为RS)的发送方法,用于支持8天线的信道估计。 [0039] The present invention contemplates a new pilot antenna structure 8, i.e., the pilot signal is provided when the antenna 8 (also referred to as a reference signal, Reference Signal, abbreviated as RS) transmission method for supporting 8 antennas channel estimate. 通过本发明,可以在保证与4天线相同开销的前提下,支持8天线系统的信道估计。 By the present invention, with the premise of ensuring the same overhead antenna 4, the antenna system 8 support channel estimation.

[0040] 下面将參考附图并结合实施例,来详细说明本发明。 [0040] below with reference to accompanying drawings and embodiments, the present invention will be described in detail.

[0041] 方法实施例 Example [0041] Method

[0042] 根据本发明的实施例,提供了ー种下行參考信号的发送方法,该方法基于8天线发射方式,8天线分别用逻辑索引0-7表示。 [0042] According to an embodiment of the present invention, there is provided a method for transmitting downlink reference signals ー species, based on the transmission mode antenna 8, the antenna 8 are represented by logical indexes 0-7. 图4是根据本发明实施例的下行參考信号的发送方法的流程图,如图4所示,该方法包括: FIG 4 is a flowchart of a downlink reference signal transmission method according to an embodiment of the present invention, shown in Figure 4, the method comprising:

[0043] 步骤S402,设置天线的參考信号的频域发送位置和时域发送位置; [0043] step S402, the frequency-domain and time-domain transmission position transmission antenna position setting of the reference signal;

[0044] 步骤S404,将逻辑索引映射成天线端ロ(Antenna Port),并在天线端ロ发送对应的天线參考信号。 [0044] step S404, the logical index is mapped to the antenna terminal ro (Antenna Port), and ro the transmission signal corresponding to the reference antenna at the antenna.

[0045] 下面将对该方法的具体实现过程进行详细描述。 [0045] will be described in detail of the specific implementation of the method.

[0046] 在步骤S402中,对于频域发送位置按照以下方式进行设置: [0046] In step S402, the frequency domain for transmitting position is set as follows:

[0047] (20)根据小区标识(ID)确定每根天线的參考信号在频域的初始位置。 [0047] (20) an initial position of a cell identity (ID) of each antenna is determined according to the reference signal in the frequency domain.

[0048] (22)在同一个OFDM符号上,将同一天线的參考信号间隔设置为12个RE,将相邻两根天线的參考信号间隔设置为3个RE。 [0048] (22) spaced from the reference signal on the same OFDM symbol, the reference signal is the same antenna interval is set to 12 REs, two adjacent antennas is three RE.

[0049] (24)在发送相同的天线的參考信号的两个相邻的OFDM符号上,将同一天线在频域上相邻的两个參考信号间隔设置为6个RE。 [0049] (24) in two adjacent OFDM symbols for a reference signal in the same transmission antenna, the same antenna in the frequency domain of two adjacent reference signal interval is set to 6 RE.

[0050] 具体地,在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,将同一天线在频域上相邻的两个參考信号间隔设置为6个RE ;在发送逻辑索引为4、5、 [0050] Specifically, the logical index is transmitted over two antennas 0,1,2,3 reference signals of adjacent OFDM symbols, the two reference signals on the same antenna spaced adjacent to the frequency domain 6 REs; transmitting logical index is 4, 5,

6、7的天线的參考信号的两个相邻的OFDM符号上,将同一天线在频域上相邻的两个參考信号间隔设置为6个RE。 On two adjacent OFDM symbols for a reference signal the antenna 6 and 7, the same antenna in the frequency domain of two adjacent reference signal interval is set to 6 RE.

[0051] 在步骤S402中,对于时域发送位置按照以下方式进行设置: [0051] In step S402, the time domain for transmission position is set as follows:

[0052] (26)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,可以通过以下方式之一进行设置: The reference signal is provided [0052] (26) the logical index 0,1,2,3 antenna on the same OFDM symbol; and can be set by one of the following:

[0053] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号和倒数第3个OFDM符号上; The reference signal is provided [0053] (I), 0,1,2,3 logical index in each antenna slot I-th OFDM symbol and the third OFDM symbol countdown;

[0054] (2)将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号上; The reference signal is provided [0054] (2) the logical index 0,1,2,3 antenna on the first OFDM symbol I of each slot;

[0055] (28)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 And setting the reference signal, the logical index in 4,5,6,7 antenna; reference signal is provided [0055] (28) 4,5,6,7 logical index antenna on the same OFDM symbol each slot on the second OFDM symbol.

[0056] 在步骤S404中,将逻辑索引映射成天线端ロ的操作可以通过以下方式之ー实现: [0056] In step S404, the logical indexes are mapped to the antenna terminal ro operation can be achieved by way of the following ー:

[0057] (I)将逻辑索引0、1、2、3分别映射成天线端ロa、a+l、b、b+l ;将逻辑索引4、5、6、7分别映射成天线端ロ8+2、&+34+24+3,其中,8的取值可以为{0,6,7,8,9}中的ー个,b的取值可以为{4,5,6,7,8,9,10,11,12,13}中的ー个。 [0057] (I) logical indexes are mapped to the antenna terminal 0,1,2,3 ro a, a + l, b, b + l; 4,5,6,7 logical indexes are mapped to the antenna terminal ro 8 + 2 + 34 + 24 + & 3, wherein the value 8 may be the {0,6,7,8,9} ー a, b values ​​may be {4,5,6,7 , 8,9,10,11,12,13} of a ー.

[0058] (2)将逻辑索引0、1、2、3分别映射成天线端ロa、a+1、a+2、a+3 ;将逻辑索引4、5、 [0058] (2) the logical indexes are mapped to the antenna terminal 0,1,2,3 ro a, a + 1, a + 2, a + 3; 4,5 logical index,

6、7分别映射成天线端ロb、b+l、b+2、b+3,其中,a的取值可以为{0,6,7,8,9}中的ー个,b的取值可以为{4,5,6,7,8,9,10,11,12,13}中的ー个。 6 and 7 are mapped to the antenna terminal ro b, b + l, b + 2, b + 3, where, a value of {0,6,7,8,9} can be in a ー, b taken may be a value ー {4,5,6,7,8,9,10,11,12,13} is.

[0059] 通过该实施例,提供了8天线时參考信号的发送方法,采用通过设置天线參考信号的频域发送位置和时域发送位置,并将逻辑索引映射成天线端ロ的方法,在保证与4天线相同开销的前提下,能够支持8天线系统的信道估计。 When [0059] By this embodiment, there is provided an antenna 8 of the reference signal transmission method using frequency domain and the time domain transmit location transmission antenna position reference signal is provided, and the logical index is mapped to the antenna terminal ro method, to ensure 4 with the premise of the same antenna overhead, 8-antenna system supports a channel estimation.

[0060] 下面结合实例对本发明的实现过程进行详细描述。 [0060] The following examples of the realization of the process in conjunction with the present invention will be described in detail. 在以下实施例的附图中,横轴方向为时域(t),纵轴方向为频域(f),一个子帧包括偶数时隙和奇数时隙,每个小方格代表一个资源元素(RE),即,R0表示天线端ロO的參考信号所占用的REj1表示天线端ロI的參考信号所占用的RE,R2表示天线端ロ2的參考信号所占用的RE,R3表示天线端ロ3的參考信号所占用的RE,R4表示天线端ロ4的參考信号所占用的RE,R5表示天线端ロ5的參考信号所占用的RE,R6表示天线端ロ6的參考信号所占用的RE,R7表示天线端ロ7的參考信号所占用的RE,R8表示天线端ロ8的參考信号所占用的RE,R9表示天线端ロ9的參考信号所占用的RE,Rltl表示天线端ロ10的參考信号所占用的RE,R11表示天线端ロ11的參考信号所占用的RE,R12表示天线端ロ12的參考信号所占用的RE,R13表示天线端ロ13的參考信号所占用的RE。 In the following examples the figures, the horizontal axis represents the time domain direction (T), the longitudinal axis of the frequency domain (F), a subframe includes even slots and odd slots, each small square represents one resource element (RE), i.e., R0 denotes a reference signal antenna end ro O occupied by REj1 an antenna terminal ro I reference signal occupied RE, R2 denotes an antenna terminal ro reference signal 2 is occupied by RE, R3 denotes an antenna terminal ro reference signal 3 is occupied by RE, R4 denotes an antenna terminal ro reference signal 4 is occupied by RE, R5 denotes an antenna terminal ro reference signal 5 occupied by RE, R6 denotes an antenna terminal ro reference signal 6 is occupied RE, R7 denotes an antenna terminal ro reference signal 7 occupied by RE, R8 denotes an antenna terminal ro reference signal 8 is occupied by RE, R9 denotes an antenna terminal ro reference signal 9 occupied by RE, Rltl an antenna terminal ro 10 reference signal occupied RE, R11 denotes an antenna terminal ro reference signal 11 is occupied by RE, R12 denotes an antenna terminal ro reference signal 12 is occupied by RE, R13 denotes an antenna terminal ro reference signal 13 occupied by the RE.

[0061] 实施例一 [0061] Example a

[0062] 图5是根据本发明实施例一的下行參考信号的发送方法的示意图,如图5所示,在普通CP的条件下,小区ID为0,偶数时隙包括OFDM符号I = O至I = 6,奇数时隙包括OFDM符号I = O至I = 6,该方法包括以下步骤: [0062] FIG. 5 is a schematic diagram of a downlink reference signal transmission method according to one embodiment of the present invention, shown in Figure 5, under the condition of a normal CP, the cell ID is 0, OFDM symbol including even slots to I = O I = 6, the odd-slot of OFDM symbols I = O to I = 6, the method comprising the steps of:

[0063] 步骤一,设置天线的參考信号的频域发送位置和时域发送位置;[0064] 其中,对于频域发送位置按照以下方式进行设置: [0063] Step a, frequency domain and time domain transmission position transmission antenna position setting of the reference signal; [0064] wherein, for transmitting the frequency domain location is provided as follows:

[0065] (I)逻辑索引为O的天线的參考信号在频域的初始位置为第O个RE ; [0065] (I) the reference signal is a logical index of O in the initial position of the antenna for the first frequency domain REs th O;

[0066] (2)在同一个OFDM符号上,同一根天线的參考信号间隔为12个RE,相邻两根天线的參考信号间隔为3个RE ; [0066] (2) on the same OFDM symbol, the reference signal is the same antenna spacing is 12 REs, the reference signal interval of two adjacent antennas is three REs;

[0067] (3)在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE ;在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE。 On two adjacent OFDM symbols [0067] (3) transmitting antenna logical indexes 0,1,2,3 reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 a REs; on two adjacent OFDM symbol index in the transmission logic 4,5,6,7 antenna reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 RE.

[0068] 其中,对于时域发送位置按照以下方式进行设置: [0068] wherein the time domain for transmission position is set as follows:

[0069] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号和倒数第3个OFDM符号上; And setting the reference signal, the logical index of 0,1,2,3 antennas; reference signal is provided [0069] (I) logical indexes 0,1,2,3 antenna on the same OFDM symbol each slot and the I-th OFDM symbol penultimate three OFDM symbol;

[0070] (2)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 And setting the reference signal, the logical index in 4,5,6,7 antenna; reference signal is provided [0070] (2) 4,5,6,7 logical index antenna on the same OFDM symbol each slot on the second OFDM symbol.

[0071] 步骤ニ,将逻辑索引映射成天线端ロ,S卩,将逻辑索引0、1、2、3分别映射成天线端ロa、a+l、b、b+l ;将逻辑索引4、5、6、7分别映射成天线端ロa+2、a+3、b+2、b+3 ;并在天线端ロ发送对应的天线參考信号,其中,a = 0,b = 4。 [0071] Step ni, the logical index is mapped to antenna port ro, S Jie, 0,1,2,3 logical indexes are mapped to the antenna terminal ro a, a + l, b, b + l; the logical index 4 , 6, 7 are mapped to the antenna terminal ro a + 2, a + 3, b + 2, b + 3; ro, and sends a corresponding signal at the antenna reference antenna, wherein, a = 0, b = 4.

[0072] 通过以上实施步骤,形成如图5所示的天线參考信号的发送位置,此外,a的取值还可以为{6,7,8,9}中的ー个,b的取值还可以为{5,6,7,8,9,10,11,12,13}中的ー个。 [0072] Through the above steps embodiment, the reference antenna forms a transmission signal of the position shown in Figure 5, in addition, A may also be of value in the {6,7,8,9} ー a, b values ​​are alsoー, 12, 13 may be a {} in.

[0073] 实施例ニ [0073] Example ni

[0074] 图6是根据本发明实施例ニ的下行參考信号的发送方法的示意图,如图6所示,在扩展CP的条件下,小区ID为0,偶数时隙包括OFDM符号I = O至I = 5,奇数时隙包括OFDM符号I = O至I = 5,该方法包括以下步骤: [0074] FIG. 6 is a schematic diagram of a downlink reference signal transmission method in an embodiment of the present invention ni, shown in Figure 6, under the conditions of an extended CP, the cell ID is 0, OFDM symbol including even slots to I = O I = 5, odd slots OFDM symbols I = O to I = 5, the method comprising the steps of:

[0075] 步骤一,设置天线的參考信号的频域发送位置和时域发送位置; [0075] Step a, sending frequency-domain and time domain position of an antenna transmitting the position reference signal;

[0076] 其中,对于频域发送位置按照以下方式进行设置: [0076] wherein, for transmitting the frequency domain location is provided as follows:

[0077] (I)逻辑索引为O的天线的參考信号在频域的初始位置为第O个RE ; [0077] (I) the reference signal is a logical index of O in the initial position of the antenna for the first frequency domain REs th O;

[0078] (2)在同一个OFDM符号上,同一根天线的參考信号间隔为12个RE,相邻两根天线的參考信号间隔为3个RE ; [0078] (2) on the same OFDM symbol, the reference signal is the same antenna spacing is 12 REs, the reference signal interval of two adjacent antennas is three REs;

[0079] (3)在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE ;在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE。 On two adjacent OFDM symbols [0079] (3) transmitting antenna logical indexes 0,1,2,3 reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 a REs; on two adjacent OFDM symbol index in the transmission logic 4,5,6,7 antenna reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 RE.

[0080] 其中,对于时域发送位置按照以下方式进行设置: [0080] wherein the time domain for transmission position is set as follows:

[0081] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号和倒数第3个OFDM符号上; And setting the reference signal, the logical index of 0,1,2,3 antennas; reference signal is provided [0081] (I) logical indexes 0,1,2,3 antenna on the same OFDM symbol each slot and the I-th OFDM symbol penultimate three OFDM symbol;

[0082] (2)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 And setting the reference signal, the logical index in 4,5,6,7 antenna; reference signal is provided [0082] (2) 4,5,6,7 logical index antenna on the same OFDM symbol each slot on the second OFDM symbol.

[0083] 步骤ニ,将逻辑索引映射成天线端ロ,S卩,将逻辑索引0、1、2、3分别映射成天线端ロa、a+l、b、b+l ;将逻辑索引4、5、6、7分别映射成天线端ロa+2、a+3、b+2、b+3 ;并在天线端ロ发送对应的天线參考信号,其中,a = O,b = 4。 [0083] Step ni, the logical index is mapped to antenna port ro, S Jie, 0,1,2,3 logical indexes are mapped to the antenna terminal ro a, a + l, b, b + l; the logical index 4 , 6, 7 are mapped to the antenna terminal ro a + 2, a + 3, b + 2, b + 3; and corresponds to the reference antenna at the antenna transmission signals ro, where, a = O, b = 4.

[0084] 通过以上实施步骤,形成如图6所示的天线參考信号的发送位置,此外,a的取值还可以为{6,7,8,9}中的ー个,b的取值还可以为{5,6,7,8,9,10,11,12,13}中的ー个。 [0084] Through the above steps embodiment, the reference position of the antenna signal transmission is formed as shown in FIG. 6, in addition, A may also be of value in the {6,7,8,9} ー a, b values ​​are alsoー, 12, 13 may be a {} in.

[0085] 实施例三 [0085] Example three

[0086] 图7是根据本发明实施例三的下行參考信号的发送方法的示意图,如图7所示,在普通CP的条件下,小区ID为0,偶数时隙包括OFDM符号I = O至I = 6,奇数时隙包括OFDM符号I = O至I = 6,该方法包括以下步骤: [0086] FIG. 7 is a schematic diagram of a downlink reference signal transmission method according to a third embodiment of the present invention, shown in Figure 7, under the conditions of a normal CP, the cell ID is 0, OFDM symbol including even slots to I = O I = 6, the odd-slot of OFDM symbols I = O to I = 6, the method comprising the steps of:

[0087] 步骤一,设置天线的參考信号的频域发送位置和时域发送位置; [0087] Step a, sending frequency-domain and time domain position of an antenna transmitting the position reference signal;

[0088] 其中,对于频域发送位置按照以下方式进行设置: [0088] wherein, for transmitting the frequency domain location is provided as follows:

[0089] (I)逻辑索引为O的天线的參考信号在频域的初始位置为第O个RE ; [0089] (I) the reference signal is a logical index of O in the initial position of the antenna for the first frequency domain REs th O;

[0090] (2)在同一个OFDM符号上,同一根天线的參考信号间隔为12个RE,相邻两根天线的參考信号间隔为3个RE ; [0090] (2) on the same OFDM symbol, the reference signal is the same antenna spacing is 12 REs, the reference signal interval of two adjacent antennas is three REs;

[0091] (3)在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE ;在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE。 On two adjacent OFDM symbols [0091] (3) transmitting antenna logical indexes 0,1,2,3 reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 a REs; on two adjacent OFDM symbol index in the transmission logic 4,5,6,7 antenna reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 RE.

[0092] 其中,对于时域发送位置按照以下方式进行设置: [0092] wherein the time domain for transmission position is set as follows:

[0093] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号和倒数第3个OFDM符号上; And setting the reference signal, the logical index of 0,1,2,3 antennas; reference signal is provided [0093] (I) logical indexes 0,1,2,3 antenna on the same OFDM symbol each slot and the I-th OFDM symbol penultimate three OFDM symbol;

[0094] (2)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 And setting the reference signal, the logical index in 4,5,6,7 antenna; reference signal is provided [0094] (2) 4,5,6,7 logical index antenna on the same OFDM symbol each slot on the second OFDM symbol.

[0095] 步骤ニ,将逻辑索引映射成天线端ロ,即,将逻辑索引0、1、2、3分别映射成天线端ロa、a+1、a+2、a+3 ;将逻辑索引4、5、6、7分别映射成天线端ロb、b+1、b+2、b+3 ;并在天线端ロ发送对应的天线參考信号,其中,a = 0,b = 4。 [0095] Step ni, mapped to the logical indexes ro antenna terminal, i.e., the logical index to the antenna terminal are mapped 0,1,2,3 ro a, a + 1, a + 2, a + 3; the logical index 4,5,6,7 are mapped to the antenna terminal ro b, b + 1, b + 2, b + 3; ro, and sends a corresponding signal at the antenna reference antenna, wherein, a = 0, b = 4. [0096] 通过以上实施步骤,形成如图7所示的天线參考信号的发送位置,此外,a的取值还可以为{6,7,8,9}中的ー个,b的取值还可以为{5,6,7,8,9,10,11,12,13}中的ー个。 [0096] Through the above steps embodiment, the reference position of the antenna signal transmission is formed as shown in FIG. 7, in addition, A may also be of value in the {6,7,8,9} ー a, b values ​​are alsoー, 12, 13 may be a {} in.

[0097] 实施例四 [0097] Fourth Embodiment

[0098] 图8是根据本发明实施例四的下行參考信号的发送方法的示意图,如图8所示,在扩展CP的条件下,小区ID为0,偶数时隙包括OFDM符号I = O至I = 5,奇数时隙包括OFDM符号I = O至I = 5,该方法包括以下步骤: [0098] FIG. 8 is a schematic diagram of a downlink reference signal transmission method according to a fourth embodiment of the present invention, shown in Figure 8, under the conditions of an extended CP, the cell ID is 0, OFDM symbol including even slots to I = O I = 5, odd slots OFDM symbols I = O to I = 5, the method comprising the steps of:

[0099] 步骤一,设置天线的參考信号的频域发送位置和时域发送位置; [0099] Step a, sending frequency-domain and time domain position of an antenna transmitting the position reference signal;

[0100] 其中,对于频域发送位置按照以下方式进行设置: [0100] wherein, for transmitting the frequency domain location is provided as follows:

[0101] (I)逻辑索引为O的天线的參考信号在频域的初始位置为第O个RE; [0101] (I) the reference signal is a logical index of O in the initial position of the antenna for the first frequency domain REs th O;

[0102] (2)在同一个OFDM符号上,同一根天线的參考信号间隔为12个RE,相邻两根天线的參考信号间隔为3个RE ; [0102] (2) on the same OFDM symbol, the reference signal is the same antenna spacing is 12 REs, the reference signal interval of two adjacent antennas is three REs;

[0103] (3)在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE ;在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE。 On two adjacent OFDM symbols [0103] (3) transmitting antenna logical indexes 0,1,2,3 reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 a REs; on two adjacent OFDM symbol index in the transmission logic 4,5,6,7 antenna reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 RE.

[0104] 其中,对于时域发送位置按照以下方式进行设置: [0104] wherein the time domain for transmission position is set as follows:

[0105] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号和倒数第3个OFDM符号上; And setting the reference signal, the logical index of 0,1,2,3 antennas; reference signal is provided [0105] (I) logical indexes 0,1,2,3 antenna on the same OFDM symbol each slot and the I-th OFDM symbol penultimate three OFDM symbol;

[0106] (2)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 And setting the reference signal, the logical index in 4,5,6,7 antenna; reference signal is provided [0106] (2) 4,5,6,7 logical index antenna on the same OFDM symbol each slot on the second OFDM symbol.

·[0107] 步骤ニ,将逻辑索引映射成天线端ロ,S卩,将逻辑索引0、1、2、3分别映射成天线端ロa、a+1、a+2、a+3 ;将逻辑索引4、5、6、7分别映射成天线端ロb、b+1、b+2、b+3 ;并在天线端ロ发送对应的天线參考信号,其中,a = 0,b = 4。 * [0107] Step ni, the logical index is mapped to antenna port ro, S Jie, 0,1,2,3 logical indexes are mapped to the antenna terminal ro a, a + 1, a + 2, a + 3; the 4,5,6,7 logical indexes are mapped to the antenna terminal ro b, b + 1, b + 2, b + 3; and corresponds to the reference antenna at the antenna transmission signals ro, where, a = 0, b = 4 .

[0108] 通过以上实施步骤,形成如图8所示的天线參考信号的发送位置,此外,a的取值还可以为{6,7,8,9}中的ー个,b的取值还可以为{5,6,7,8,9,10,11,12,13}中的ー个。 [0108] Through the above steps embodiment, the reference antenna forms a transmission signal of the position shown in Figure 8, in addition, A may also be of value in the {6,7,8,9} ー a, b values ​​are alsoー, 12, 13 may be a {} in.

[0109] 实施例五 [0109] Embodiment V

[0110] 图9是根据本发明实施例五的下行參考信号的发送方法的示意图,如图9所示,在普通CP的条件下,小区ID为0,偶数时隙包括OFDM符号I = O至I = 6,奇数时隙包括OFDM符号I = O至I = 6,该方法包括以下步骤: [0110] FIG. 9 is a schematic diagram of a downlink reference signal transmission method according to a fifth embodiment of the present invention shown in Figure 9, under the condition of a normal CP, the cell ID is 0, OFDM symbol including even slots to I = O I = 6, the odd-slot of OFDM symbols I = O to I = 6, the method comprising the steps of:

[0111] 步骤一,设置天线的參考信号的频域发送位置和时域发送位置; [0111] Step a, sending frequency-domain and time domain position of an antenna transmitting the position reference signal;

[0112] 其中,对于频域发送位置按照以下方式进行设置: [0112] wherein, for transmitting the frequency domain location is provided as follows:

[0113] (I)逻辑索引为O的天线的參考信号在频域的初始位置为第O个RE; [0113] (I) the reference signal is a logical index of O in the initial position of the antenna for the first frequency domain REs th O;

[0114] (2)在同一个OFDM符号上,同一根天线的參考信号间隔为12个RE,相邻两根天线的參考信号间隔为3个RE ; [0114] (2) on the same OFDM symbol, the reference signal is the same antenna spacing is 12 REs, the reference signal interval of two adjacent antennas is three REs;

[0115] (3)在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE ;在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE。 On two adjacent OFDM symbols [0115] (3) transmitting antenna logical indexes 0,1,2,3 reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 a REs; on two adjacent OFDM symbol index in the transmission logic 4,5,6,7 antenna reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 RE.

[0116] 其中,对于时域发送位置按照以下方式进行设置: [0116] wherein the time domain for transmission position is set as follows:

[0117] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号上; And setting the reference signal, the logical index of 0,1,2,3 antennas; reference signal is provided [0117] (I) logical indexes 0,1,2,3 antenna on the same OFDM symbol each slot on the I-th OFDM symbol;

[0118] (2)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 And setting the reference signal, the logical index in 4,5,6,7 antenna; reference signal is provided [0118] (2) 4,5,6,7 logical index antenna on the same OFDM symbol each slot on the second OFDM symbol.

[0119] 步骤ニ,将逻辑索引映射成天线端ロ,S卩,将逻辑索引0、1、2、3分别映射成天线端ロa、a+1、b、b+1 ;将逻辑索引4、5、6、7分别映射成天线端ロa+2、a+3、b+2、b+3 ;并在天线端ロ发送对应的天线參考信号,其中,a = 0,b = 4。 [0119] Step ni, the logical index is mapped to antenna port ro, S Jie, 0,1,2,3 logical indexes are mapped to the antenna terminal ro a, a + 1, b, b + 1; the logical index 4 , 6, 7 are mapped to the antenna terminal ro a + 2, a + 3, b + 2, b + 3; ro, and sends a corresponding signal at the antenna reference antenna, wherein, a = 0, b = 4.

[0120] 通过以上实施步骤,形成如图9所示的天线參考信号的发送位置,此外,a的取值还可以为{6,7,8,9}中的ー个,b的取值还可以为{5,6,7,8,9,10,11,12,13}中的ー个。 [0120] Through the above steps embodiment, the reference antenna forms a transmission signal of the position shown in Figure 9, in addition, A may also be of value in the {6,7,8,9} ー a, b values ​​are alsoー, 12, 13 may be a {} in.

[0121] 实施例六 [0121] Sixth Embodiment

[0122] 图10是根据本发明实施例六的下行參考信号的发送方法的示意图,如图10所示,在扩展CP的条件下,小区ID为0,偶数时隙包括OFDM符号I = O至I = 5,奇数时隙包括OFDM符号I = 0至I = 5,该方法包括以下步骤: [0122] FIG. 10 is a schematic diagram of a downlink reference signal transmission method according to a sixth embodiment of the present invention, shown in Figure 10, under the conditions of an extended CP, the cell ID is 0, OFDM symbol including even slots to I = O I = 5, odd slots OFDM symbols I = 0 to I = 5, the method comprising the steps of:

[0123] 步骤一,设置天线的參考信号的频域发送位置和时域发送位置; [0123] Step a, sending frequency-domain and time domain position of an antenna transmitting the position reference signal;

[0124] 其中,对于频域发送位置按照以下方式进行设置: [0124] wherein, for transmitting the frequency domain location is provided as follows:

[0125] (I)逻辑索引为O的天线的參考信号在频域的初始位置为第O个RE ; [0125] (I) the reference signal is a logical index of O in the initial position of the antenna for the first frequency domain REs th O;

[0126] (2)在同一个OFDM符号上,同一根天线的參考信号间隔为12个RE,相邻两根天线的參考信号间隔为3个RE ; [0126] (2) on the same OFDM symbol, the reference signal is the same antenna spacing is 12 REs, the reference signal interval of two adjacent antennas is three REs;

[0127] (3)在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE ;在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE。 On two adjacent OFDM symbols [0127] (3) transmitting antenna logical indexes 0,1,2,3 reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 a REs; on two adjacent OFDM symbol index in the transmission logic 4,5,6,7 antenna reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 RE.

[0128] 其中,对于时域发送位置按照以下方式进行设置: [0128] wherein the time domain for transmission position is set as follows:

[0129] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号上; And setting the reference signal, the logical index of 0,1,2,3 antennas; reference signal is provided [0129] (I) logical indexes 0,1,2,3 antenna on the same OFDM symbol each slot on the I-th OFDM symbol;

[0130] (2)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 And setting the reference signal, the logical index in 4,5,6,7 antenna; reference signal is provided [0130] (2) 4,5,6,7 logical index antenna on the same OFDM symbol each slot on the second OFDM symbol.

[0131] 步骤ニ,将逻辑索引映射成天线端ロ,S卩,将逻辑索引0、1、2、3分别映射成天线端ロa、a+1、b、b+1 ;将逻辑索引4、5、6、7分别映射成天线端ロa+2、a+3、b+2、b+3 ;并在天线端ロ发送对应的天线參考信号,其中,a = 0,b = 4。 [0131] Step ni, the logical index is mapped to antenna port ro, S Jie, 0,1,2,3 logical indexes are mapped to the antenna terminal ro a, a + 1, b, b + 1; the logical index 4 , 6, 7 are mapped to the antenna terminal ro a + 2, a + 3, b + 2, b + 3; ro, and sends a corresponding signal at the antenna reference antenna, wherein, a = 0, b = 4.

[0132] 通过以上实施步骤,形成如图10所示的天线參考信号的发送位置,此外,a的取值还可以为{6,7,8,9}中的ー个,b的取值还可以为{5,6,7,8,9,10,11,12,13}中的ー个。 [0132] Through the above steps embodiment, the reference position of the antenna signal transmission is formed as shown in FIG. 10, in addition, A may also be of value in the {6,7,8,9} ー a, b values ​​are alsoー, 12, 13 may be a {} in.

[0133] 实施例七 [0133] Seventh Embodiment

[0134] 图11是根据本发明实施例七的下行參考信号的发送方法的示意图,如图11所示,在普通CP的条件下,小区ID为0,偶数时隙包括OFDM符号I = O至I = 6,奇数时隙包括OFDM符号I = O至I = 6,该方法包括以下步骤: [0134] FIG. 11 is a schematic diagram of a downlink reference signal transmission method of the present invention according to a seventh embodiment, as shown, at a normal CP, the cell ID of 0 in FIG. 11, the even-slot of OFDM symbols to I = O I = 6, the odd-slot of OFDM symbols I = O to I = 6, the method comprising the steps of:

[0135] 步骤一,设置天线的參考信号的频域发送位置和时域发送位置; [0135] Step a, sending frequency-domain and time domain position of an antenna transmitting the position reference signal;

[0136] 其中,对于频域发送位置按照以下方式进行设置: [0136] wherein, for transmitting the frequency domain location is provided as follows:

[0137] (I)逻辑索引为O的天线的參考信号在频域的初始位置为第O个RE ; [0137] (I) the reference signal is a logical index of O in the initial position of the antenna for the first frequency domain REs th O;

[0138] (2)在同一个OFDM符号上,同一根天线的參考信号间隔为12个RE,相邻两根天线的參考信号间隔为3个RE ; [0138] (2) on the same OFDM symbol, the reference signal is the same antenna spacing is 12 REs, the reference signal interval of two adjacent antennas is three REs;

[0139] (3)在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE ;在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE。 On two adjacent OFDM symbols [0139] (3) transmitting antenna logical indexes 0,1,2,3 reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 a REs; on two adjacent OFDM symbol index in the transmission logic 4,5,6,7 antenna reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 RE.

[0140] 其中,对于时域发送位置按照以下方式进行设置: [0140] wherein the time domain for transmission position is set as follows:

[0141] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号上; And setting the reference signal, the logical index of 0,1,2,3 antennas; reference signal is provided [0141] (I) logical indexes 0,1,2,3 antenna on the same OFDM symbol each slot on the I-th OFDM symbol;

[0142] (2)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 And setting the reference signal, the logical index in 4,5,6,7 antenna; reference signal is provided [0142] (2) 4,5,6,7 logical index antenna on the same OFDM symbol each slot on the second OFDM symbol.

[0143] 步骤ニ,将逻辑索引映射成天线端ロ,S卩,将逻辑索引0、1、2、3分别映射成天线端ロa、a+1、a+2、a+3 ;将逻辑索引4、5、6、7分别映射成天线端ロb、b+1、b+2、b+3 ;并在天线端ロ发送对应的天线參考信号,其中,a = O,b = 4。 [0143] Step ni, the logical index is mapped to antenna port ro, S Jie, 0,1,2,3 logical indexes are mapped to the antenna terminal ro a, a + 1, a + 2, a + 3; logic 4,5,6,7 indexes are mapped to the antenna terminal ro b, b + 1, b + 2, b + 3; ro, and sends a corresponding signal at the antenna reference antenna, where, a = O, b = 4.

[0144] 通过以上实施步骤,形成如图11所示的天线參考信号的发送位置,此外,a的取值还可以为{6,7,8,9}中的ー个,b的取值还可以为{5,6,7,8,9,10,11,12,13}中的ー个。 [0144] Through the above steps embodiment, the reference antenna forms a transmission signal of the position shown in Figure 11, in addition, A may also be of value in the {6,7,8,9} ー a, b values ​​are alsoー, 12, 13 may be a {} in.

[0145] 实施例八 [0145] Example eight

[0146] 图12是根据本发明实施例八的下行參考信号的发送方法的示意图,如图12所示,在扩展CP的条件下,小区ID为0,偶数时隙包括OFDM符号I = O至I = 5,奇数时隙包括OFDM符号I = O至I = 5,该方法包括以下步骤: [0146] FIG. 12 is a schematic diagram of a downlink reference signal transmission method of eight embodiment of the present invention, shown in Figure 12, under the conditions of an extended CP, the cell ID is 0, OFDM symbol including even slots to I = O I = 5, odd slots OFDM symbols I = O to I = 5, the method comprising the steps of:

[0147] 步骤一,设置天线的參考信号的频域发送位置和时域发送位置; [0147] Step a, sending frequency-domain and time domain position of an antenna transmitting the position reference signal;

[0148] 其中,对于频域发送位置按照以下方式进行设置: [0148] wherein, for transmitting the frequency domain location is provided as follows:

[0149] (I)逻辑索引为O的天线的參考信号在频域的初始位置为第O个RE ; [0149] (I) the reference signal is a logical index of O in the initial position of the antenna for the first frequency domain REs th O;

[0150] (2)在同一个OFDM符号上,同一根天线的參考信号间隔为12个RE,相邻两根天线的參考信号间隔为3个RE ; [0150] (2) on the same OFDM symbol, the reference signal is the same antenna spacing is 12 REs, the reference signal interval of two adjacent antennas is three REs;

[0151] (3)在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE ;在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE。 On two adjacent OFDM symbols [0151] (3) transmitting antenna logical indexes 0,1,2,3 reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 a REs; on two adjacent OFDM symbol index in the transmission logic 4,5,6,7 antenna reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 RE.

[0152] 其中,对于时域发送位置按照以下方式进行设置: [0152] wherein the time domain for transmission position is set as follows:

[0153] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号上; And setting the reference signal, the logical index of 0,1,2,3 antennas; reference signal is provided [0153] (I) logical indexes 0,1,2,3 antenna on the same OFDM symbol each slot on the I-th OFDM symbol;

[0154] (2)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 And setting the reference signal, the logical index in 4,5,6,7 antenna; reference signal is provided [0154] (2) 4,5,6,7 logical index antenna on the same OFDM symbol each slot on the second OFDM symbol.

[0155] 步骤ニ,将逻辑索引映射成天线端ロ,即,将逻辑索引0、1、2、3分别映射成天线端ロa、a+1、a+2、a+3 ;将逻辑索引4、5、6、7分别映射成天线端ロb、b+1、b+2、b+3 ;并在天线端ロ发送对应的天线參考信号,其中,a = 0,b = 4。 [0155] Step ni, mapped to the logical indexes ro antenna terminal, i.e., the logical index to the antenna terminal are mapped 0,1,2,3 ro a, a + 1, a + 2, a + 3; the logical index 4,5,6,7 are mapped to the antenna terminal ro b, b + 1, b + 2, b + 3; ro, and sends a corresponding signal at the antenna reference antenna, wherein, a = 0, b = 4.

[0156] 通过以上实施步骤,形成如图12所示的天线參考信号的发送位置,此外,a的取值还可以为{6,7,8,9}中的ー个,b的取值还可以为{5,6,7,8,9,10,11,12,13}中的ー个。 [0156] Through the above steps embodiment, the reference antenna forms a transmission signal of the position shown in Figure 12, in addition, A may also be of value in the {6,7,8,9} ー a, b values ​​are alsoー, 12, 13 may be a {} in.

[0157] 实施例九 [0157] Embodiment 9

[0158] 图13是根据本发明实施例九的下行參考信号的发送方法的示意图,如图13所示,在普通CP的条件下,小区ID为0,偶数时隙包括OFDM符号I = O至I = 6,奇数时隙包括OFDM符号I = O至I = 6,该方法包括以下步骤: [0158] FIG. 13 is a schematic diagram of the method for transmitting downlink reference signal according to a ninth embodiment of the present invention shown in Figure 13, under the conditions of a normal CP, the cell ID is 0, OFDM symbol including even slots to I = O I = 6, the odd-slot of OFDM symbols I = O to I = 6, the method comprising the steps of:

[0159] 步骤一,设置天线的參考信号的频域发送位置和时域发送位置; [0159] Step a, sending frequency-domain and time domain position of an antenna transmitting the position reference signal;

[0160] 其中,对于频域发送位置按照以下方式进行设置: [0160] wherein, for transmitting the frequency domain location is provided as follows:

[0161] (I)逻辑索引为O的天线的參考信号在频域的初始位置为第O个RE; [0161] (I) the reference signal is a logical index of O in the initial position of the antenna for the first frequency domain REs th O;

[0162] (2)在同一个OFDM符号上,同一根天线的參考信号间隔为12个RE,相邻两根天线的參考信号间隔为3个RE ; [0162] (2) on the same OFDM symbol, the reference signal is the same antenna spacing is 12 REs, the reference signal interval of two adjacent antennas is three REs;

[0163] (3)在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE ;在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE。 On two adjacent OFDM symbols [0163] (3) transmitting antenna logical indexes 0,1,2,3 reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 a REs; on two adjacent OFDM symbol index in the transmission logic 4,5,6,7 antenna reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 RE.

[0164] 其中,对于时域发送位置按照以下方式进行设置: [0164] wherein the time domain for transmission position is set as follows:

[0165] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号上; And setting the reference signal, the logical index of 0,1,2,3 antennas; reference signal is provided [0165] (I) logical indexes 0,1,2,3 antenna on the same OFDM symbol each slot on the I-th OFDM symbol;

[0166] (2)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 And setting the reference signal, the logical index in 4,5,6,7 antenna; reference signal is provided [0166] (2) 4,5,6,7 logical index antenna on the same OFDM symbol each slot on the second OFDM symbol.

[0167] 步骤ニ,将逻辑索引映射成天线端ロ,S卩,将逻辑索引0、1、2、3分别映射成天线端ロa、a+1、a+2、a+3 ;将逻辑索引4、5、6、7分别映射成天线端ロb、b+1、b+2、b+3 ;并在天线端ロ发送对应的天线參考信号,其中,a = 6,b = 10。 [0167] Step ni, the logical index is mapped to antenna port ro, S Jie, 0,1,2,3 logical indexes are mapped to the antenna terminal ro a, a + 1, a + 2, a + 3; logic 4,5,6,7 indexes are mapped to the antenna terminal ro b, b + 1, b + 2, b + 3; ro and transmission antennas corresponding to the reference signal at the antenna terminal, wherein, a = 6, b = 10.

[0168] 通过以上实施步骤,形成如图13所示的天线參考信号的发送位置,此外,a的取值还可以为{0,7,8,9}中的ー个,b的取值还可以为{4,5,6,7,8,9,11,12,13}中的ー个。 [0168] Through the above steps embodiment, the reference position of the antenna signal transmission is formed as shown in FIG. 13, in addition, A may also be of value in the {0,7,8,9} ー a, b values ​​are also one may ー {} in 4,5,6,7,8,9,11,12,13.

[0169] 实施例十 [0169] Embodiment 10 Embodiment

[0170] 图14是根据本发明实施例十的下行參考信号的发送方法的示意图,如图14所示,在扩展CP的条件下,小区ID为0,偶数时隙包括OFDM符号I = O至I = 5,奇数时隙包括OFDM符号I = O至I = 5,该方法包括以下步骤: [0170] FIG. 14 is a schematic diagram of a downlink reference signal transmission method according to Embodiment 10 of the present invention, shown in Figure 14, under the conditions of an extended CP, the cell ID is 0, OFDM symbol including even slots to I = O I = 5, odd slots OFDM symbols I = O to I = 5, the method comprising the steps of:

[0171] 步骤一,设置天线的參考信号的频域发送位置和时域发送位置; [0171] Step a, sending frequency-domain and time domain position of an antenna transmitting the position reference signal;

[0172] 其中,对于频域发送位置按照以下方式进行设置: [0172] wherein, for transmitting the frequency domain location is provided as follows:

[0173] (I)逻辑索引为O的天线的參考信号在频域的初始位置为第O个RE ; [0173] (I) the reference signal is a logical index of O in the initial position of the antenna for the first frequency domain REs th O;

[0174] (2)在同一个OFDM符号上,同一根天线的參考信号间隔为12个RE,相邻两根天线的參考信号间隔为3个RE ; [0174] (2) on the same OFDM symbol, the reference signal is the same antenna spacing is 12 REs, the reference signal interval of two adjacent antennas is three REs;

[0175] (3)在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE ;在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE。 On two adjacent OFDM symbols [0175] (3) transmitting antenna logical indexes 0,1,2,3 reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 a REs; on two adjacent OFDM symbol index in the transmission logic 4,5,6,7 antenna reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 RE.

[0176] 其中,对于时域发送位置按照以下方式进行设置: [0176] wherein the time domain for transmission position is set as follows:

[0177] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号上; And setting the reference signal, the logical index of 0,1,2,3 antennas; reference signal is provided [0177] (I) logical indexes 0,1,2,3 antenna on the same OFDM symbol each slot on the I-th OFDM symbol;

[0178] (2)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 And setting the reference signal, the logical index in 4,5,6,7 antenna; reference signal is provided [0178] (2) 4,5,6,7 logical index antenna on the same OFDM symbol each slot on the second OFDM symbol.

[0179] 步骤ニ,将逻辑索引映射成天线端ロ,S卩,将逻辑索引0、1、2、3分别映射成天线端ロa、a+1、a+2、a+3 ;将逻辑索引4、5、6、7分别映射成天线端ロb、b+1、b+2、b+3 ;并在天线端ロ发送对应的天线參考信号,其中,a = 6,b = 10。 [0179] Step ni, the logical index is mapped to antenna port ro, S Jie, 0,1,2,3 logical indexes are mapped to the antenna terminal ro a, a + 1, a + 2, a + 3; logic 4,5,6,7 indexes are mapped to the antenna terminal ro b, b + 1, b + 2, b + 3; ro and transmission antennas corresponding to the reference signal at the antenna terminal, wherein, a = 6, b = 10.

[0180] 通过以上实施步骤,形成如图14所示的天线參考信号的发送位置,此外,a的取值还可以为{0,7,8,9}中的ー个,b的取值还可以为{4,5,6,7,8,9,11,12,13}中的ー个。 [0180] Through the above steps embodiment, the reference position of the antenna signal transmission is formed as shown in FIG. 14, in addition, A may also be of value in the {0,7,8,9} ー a, b values ​​are also one may ー {} in 4,5,6,7,8,9,11,12,13.

[0181] 实施例i^ 一 [0181] Example i ^ a

[0182] 图15是根据本发明实施例十一的下行參考信号的发送方法的示意图,如图15所示,在普通CP的条件下,小区ID为0,偶数时隙包括OFDM符号I = O至I = 6,奇数时隙包括OFDM符号I = O至I = 6,该方法包括以下步骤: [0182] FIG. 15 is a schematic diagram of a downlink reference signal transmission method according to an eleventh embodiment of the present invention, shown in Figure 15, under the condition of a normal CP, the cell ID of 0, even slots OFDM symbols I = O to I = 6, the odd-slot of OFDM symbols I = O to I = 6, the method comprising the steps of:

[0183] 步骤一,设置天线的參考信号的频域发送位置和时域发送位置;[0184] 其中,对于频域发送位置按照以下方式进行设置: [0183] Step a, frequency domain and time domain transmission position transmission antenna position setting of the reference signal; [0184] wherein, for transmitting the frequency domain location is provided as follows:

[0185] (I)逻辑索引为O的天线的參考信号在频域的初始位置为第O个RE ; [0185] (I) the reference signal is a logical index of O in the initial position of the antenna for the first frequency domain REs th O;

[0186] (2)在同一个OFDM符号上,同一根天线的參考信号间隔为12个RE,相邻两根天线的參考信号间隔为3个RE ; [0186] (2) on the same OFDM symbol, the reference signal is the same antenna spacing is 12 REs, the reference signal interval of two adjacent antennas is three REs;

[0187] (3)在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE ;在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE。 On two adjacent OFDM symbols [0187] (3) transmitting antenna logical indexes 0,1,2,3 reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 a REs; on two adjacent OFDM symbol index in the transmission logic 4,5,6,7 antenna reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 RE.

[0188] 其中,对于时域发送位置按照以下方式进行设置: [0188] wherein the time domain for transmission position is set as follows:

[0189] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号及倒数第3个OFDM符号上; And setting the reference signal, the logical index of 0,1,2,3 antennas; reference signal is provided [0189] (I) logical indexes 0,1,2,3 antenna on the same OFDM symbol I-th time slot of each OFDM symbol and the penultimate three OFDM symbol;

[0190] (2)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7 ·的天线的參考信号设置在每个时隙的第2个OFDM符号上。 The reference signal is provided [0190] (2) 4,5,6,7 logical index antenna in one OFDM symbol on the same; and the reference signal, the logical index is provided an antenna-4,5,6,7 in the second OFDM symbols of each slot.

[0191] 步骤ニ,将逻辑索引映射成天线端ロ,S卩,将逻辑索引0、1、2、3分别映射成天线端ロa、a+1、a+2、a+3 ;将逻辑索引4、5、6、7分别映射成天线端ロb、b+1、b+2、b+3 ;并在天线端ロ发送对应的天线參考信号,其中,a = 6,b = 10。 [0191] Step ni, the logical index is mapped to antenna port ro, S Jie, 0,1,2,3 logical indexes are mapped to the antenna terminal ro a, a + 1, a + 2, a + 3; logic 4,5,6,7 indexes are mapped to the antenna terminal ro b, b + 1, b + 2, b + 3; ro and transmission antennas corresponding to the reference signal at the antenna terminal, wherein, a = 6, b = 10.

[0192] 通过以上实施步骤,形成如图15所示的天线參考信号的发送位置,此外,a的取值还可以为{0,7,8,9}中的ー个,b的取值还可以为{4,5,6,7,8,9,11,12,13}中的ー个。 [0192] Through the above steps embodiment, the reference antenna forms a transmission signal of the position shown in Figure 15, in addition, A may also be of value in the {0,7,8,9} ー a, b values ​​are also one may ー {} in 4,5,6,7,8,9,11,12,13.

[0193] 实施例十二 [0193] Example twelve

[0194] 图16是根据本发明实施例十二的下行參考信号的发送方法的示意图,如图16所示,在扩展CP的条件下,小区ID为0,偶数时隙包括OFDM符号I = O至I = 5,奇数时隙包括OFDM符号I = O至I = 5,该方法包括以下步骤: [0194] FIG. 16 is a schematic diagram of a downlink reference signal transmission method according to the twelve embodiment of the present invention, as shown in Figure 16, under the conditions of an extended CP, the cell ID of 0, even slots OFDM symbols I = O to I = 5, odd slots OFDM symbols I = O to I = 5, the method comprising the steps of:

[0195] 步骤一,设置天线的參考信号的频域发送位置和时域发送位置; [0195] Step a, sending frequency-domain and time domain position of an antenna transmitting the position reference signal;

[0196] 其中,对于频域发送位置按照以下方式进行设置: [0196] wherein, for transmitting the frequency domain location is provided as follows:

[0197] (I)逻辑索引为O的天线的參考信号在频域的初始位置为第O个RE ; [0197] (I) the reference signal is a logical index of O in the initial position of the antenna for the first frequency domain REs th O;

[0198] (2)在同一个OFDM符号上,同一根天线的參考信号间隔为12个RE,相邻两根天线的參考信号间隔为3个RE ; [0198] (2) on the same OFDM symbol, the reference signal is the same antenna spacing is 12 REs, the reference signal interval of two adjacent antennas is three REs;

[0199] (3)在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE ;在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE。 On two adjacent OFDM symbols [0199] (3) transmitting antenna logical indexes 0,1,2,3 reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 a REs; on two adjacent OFDM symbol index in the transmission logic 4,5,6,7 antenna reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 RE.

[0200] 其中,对于时域发送位置按照以下方式进行设置: [0200] wherein the time domain for transmission position is set as follows:

[0201] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号及倒数第3个OFDM符号上; And setting the reference signal, the logical index of 0,1,2,3 antennas; reference signal is provided [0201] (I) logical indexes 0,1,2,3 antenna on the same OFDM symbol I-th time slot of each OFDM symbol and the penultimate three OFDM symbol;

[0202] (2)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 And setting the reference signal, the logical index in 4,5,6,7 antenna; reference signal is provided [0202] (2) 4,5,6,7 logical index antenna on the same OFDM symbol each slot on the second OFDM symbol.

[0203] 步骤ニ,将逻辑索引映射成天线端ロ,S卩,将逻辑索引0、1、2、3分别映射成天线端ロa、a+1、a+2、a+3 ;将逻辑索引4、5、6、7分别映射成天线端ロb、b+1、b+2、b+3 ;并在天线端ロ发送对应的天线參考信号,其中,a = 6,b = 10。 [0203] Step ni, the logical index is mapped to antenna port ro, S Jie, 0,1,2,3 logical indexes are mapped to the antenna terminal ro a, a + 1, a + 2, a + 3; logic 4,5,6,7 indexes are mapped to the antenna terminal ro b, b + 1, b + 2, b + 3; ro and transmission antennas corresponding to the reference signal at the antenna terminal, wherein, a = 6, b = 10.

[0204] 通过以上实施步骤,形成如图16所示的天线參考信号的发送位置,此外,a的取值还可以为{0,7,8,9}中的ー个,b的取值还可以为{4,5,6,7,8,9,11,12,13}中的ー个。 [0204] Through the above steps embodiment, the reference antenna forms a transmission signal of the position shown in Figure 16, in addition, A may also be of value in the {0,7,8,9} ー a, b values ​​are also one may ー {} in 4,5,6,7,8,9,11,12,13.

[0205] 实施例十三 [0205] Embodiment 13

[0206] 图17是根据本发明实施例十三的下行參考信号的发送方法的示意图,如图17所示,在普通CP的条件下,小区ID为0,偶数时隙包括OFDM符号I = O至I = 6,奇数时隙包括OFDM符号I = O至I = 6,该方法包括以下步骤: [0206] FIG. 17 is a schematic diagram of a downlink reference signal transmission method according to thirteen embodiment of the present invention, shown in Figure 17, under the condition of a normal CP, the cell ID of 0, even slots OFDM symbols I = O to I = 6, the odd-slot of OFDM symbols I = O to I = 6, the method comprising the steps of:

[0207] 步骤一,设置天线的參考信号的频域发送位置和时域发送位置; [0207] Step a, sending frequency-domain and time domain position of an antenna transmitting the position reference signal;

[0208] 其中,对于频域发送位置按照以下方式进行设置: [0208] wherein, for transmitting the frequency domain location is provided as follows:

[0209] (I)逻辑索引为O的天线的參考信号在频域的初始位置为第O个RE ; [0209] (I) the reference signal is a logical index of O in the initial position of the antenna for the first frequency domain REs th O;

[0210] (2)在同一个OFDM符号上,同一根天线的參考信号间隔为12个RE,相邻两根天线的參考信号间隔为3个RE ; [0210] (2) on the same OFDM symbol, the reference signal is the same antenna spacing is 12 REs, the reference signal interval of two adjacent antennas is three REs;

[0211] (3)在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE ;在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE。 On two adjacent OFDM symbols [0211] (3) transmitting antenna logical indexes 0,1,2,3 reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 a REs; on two adjacent OFDM symbol index in the transmission logic 4,5,6,7 antenna reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 RE.

[0212] 其中,对于时域发送位置按照以下方式进行设置: [0212] wherein the time domain for transmission position is set as follows:

[0213] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号上; And setting the reference signal, the logical index of 0,1,2,3 antennas; reference signal is provided [0213] (I) logical indexes 0,1,2,3 antenna on the same OFDM symbol each slot on the I-th OFDM symbol;

[0214] (2)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 And setting the reference signal, the logical index in 4,5,6,7 antenna; reference signal is provided [0214] (2) 4,5,6,7 logical index antenna on the same OFDM symbol each slot on the second OFDM symbol.

[0215] 步骤ニ,将逻辑索引映射成天线端ロ,即,将逻辑索引0、1、2、3分别映射成天线端ロa、a+1、b、b+1 ;将逻辑索引4、5、6、7分别映射成天线端ロa+2、a+3、b+2、b+3 ;并在天线端ロ发送对应的天线參考信号,其中,a = 0,b = 6。 [0215] Step ni, mapped to the logical indexes ro antenna terminal, i.e., the logical index to the antenna terminal are mapped 0,1,2,3 ro a, a + 1, b, b + 1; the logical index 4, 6, 7 are mapped to the antenna terminal ro a + 2, a + 3, b + 2, b + 3; and corresponds to the reference antenna at the antenna transmission signals ro, where, a = 0, b = 6.

[0216] 通过以上实施步骤,形成如图17所示的天线參考信号的发送位置,此外,a的取值还可以为{6,7,8,9}中的ー个,b的取值还可以为{4,5,7,8,9,10,11,12,13}中的ー个。 [0216] Through the above steps embodiment, the reference antenna forms a transmission signal of the position shown in Figure 17, in addition, A may also be of value in the {6,7,8,9} ー a, b values ​​are also may ー {a} in 4,5,7,8,9,10,11,12,13.

[0217] 实施例十四 [0217] Embodiment 14

[0218] 图18是根据本发明实施例十四的下行參考信号的发送方法的示意图,如图18所示,在扩展CP的条件下,小区ID为0,偶数时隙包括OFDM符号I = O至I = 5,奇数时隙包括OFDM符号I = O至I = 5,该方法包括以下步骤: [0218] FIG. 18 is a schematic diagram of a downlink reference signal transmission method according to the embodiment of the present invention, fourteen, 18, under the conditions of an extended CP, the cell ID of 0, even slots OFDM symbols I = O to I = 5, odd slots OFDM symbols I = O to I = 5, the method comprising the steps of:

[0219] 步骤一,设置天线的參考信号的频域发送位置和时域发送位置; [0219] Step a, sending frequency-domain and time domain position of an antenna transmitting the position reference signal;

[0220] 其中,对于频域发送位置按照以下方式进行设置: [0220] wherein, for transmitting the frequency domain location is provided as follows:

[0221] (I)逻辑索引为O的天线的參考信号在频域的初始位置为第O个RE ; [0221] (I) the reference signal is a logical index of O in the initial position of the antenna for the first frequency domain REs th O;

[0222] (2)在同一个OFDM符号上,同一根天线的參考信号间隔为12个RE,相邻两根天线的參考信号间隔为3个RE ; [0222] (2) on the same OFDM symbol, the reference signal is the same antenna spacing is 12 REs, the reference signal interval of two adjacent antennas is three REs;

[0223] (3)在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE ;在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE。 On two adjacent OFDM symbols [0223] (3) transmitting antenna logical indexes 0,1,2,3 reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 a REs; on two adjacent OFDM symbol index in the transmission logic 4,5,6,7 antenna reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 RE.

[0224] 其中,对于时域发送位置按照以下方式进行设置: [0224] wherein the time domain for transmission position is set as follows:

[0225] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号上; And setting the reference signal, the logical index of 0,1,2,3 antennas; reference signal is provided [0225] (I) logical indexes 0,1,2,3 antenna on the same OFDM symbol each slot on the I-th OFDM symbol;

[0226] (2)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 And setting the reference signal, the logical index in 4,5,6,7 antenna; reference signal is provided [0226] (2) 4,5,6,7 logical index antenna on the same OFDM symbol each slot on the second OFDM symbol.

[0227] 步骤ニ,将逻辑索引映射成天线端ロ,S卩,将逻辑索引0、1、2、3分别映射成天线端ロa、a+1、b、b+1 ;将逻辑索引4、5、6、7分别映射成天线端ロa+2、a+3、b+2、b+3 ;并在天线端ロ发送对应的天线參考信号,其中,a = 0,b = 6。 [0227] Step ni, the logical index is mapped to antenna port ro, S Jie, 0,1,2,3 logical indexes are mapped to the antenna terminal ro a, a + 1, b, b + 1; the logical index 4 , 6, 7 are mapped to the antenna terminal ro a + 2, a + 3, b + 2, b + 3; ro, and sends a corresponding signal at the antenna reference antenna, wherein, a = 0, b = 6.

[0228] 通过以上实施步骤,形成如图18所示的天线參考信号的发送位置,此外,a的取值还可以为{6,7,8,9}中的ー个,b的取值还可以为{4,5,7,8,9,10,11,12,13}中的ー个。 [0228] Through the above steps embodiment, the reference position of the antenna signal transmission is formed as shown in FIG. 18, in addition, A may also be of value in the {6,7,8,9} ー a, b values ​​are also may ー {a} in 4,5,7,8,9,10,11,12,13.

[0229] 实施例十五 [0229] Embodiment 15

[0230] 图19是根据本发明实施例十五的下行參考信号的发送方法的示意图,如图19所示,在普通CP的条件下,小区ID为0,偶数时隙包括OFDM符号I = O至I = 6,奇数时隙包括OFDM符号I = O至I = 6,该方法包括以下步骤: [0230] FIG. 19 is a schematic diagram of a downlink reference signal transmission method according to the embodiment of the present invention, fifteen, 19, under the condition of a normal CP, the cell ID of 0, even slots OFDM symbols I = O to I = 6, the odd-slot of OFDM symbols I = O to I = 6, the method comprising the steps of:

[0231] 步骤一,设置天线的參考信号的频域发送位置和时域发送位置; [0231] Step a, sending frequency-domain and time domain position of an antenna transmitting the position reference signal;

[0232] 其中,对于频域发送位置按照以下方式进行设置: [0232] wherein, for transmitting the frequency domain location is provided as follows:

[0233] (I)逻辑索引为O的天线的參考信号在频域的初始位置为第O个RE ; [0233] (I) the reference signal is a logical index of O in the initial position of the antenna for the first frequency domain REs th O;

[0234] (2)在同一个OFDM符号上,同一根天线的參考信号间隔为12个RE,相邻两根天线的參考信号间隔为3个RE ; [0234] (2) on the same OFDM symbol, the reference signal is the same antenna spacing is 12 REs, the reference signal interval of two adjacent antennas is three REs;

[0235] (3)在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE ;在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE。 On two adjacent OFDM symbols [0235] (3) transmitting antenna logical indexes 0,1,2,3 reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 a REs; on two adjacent OFDM symbol index in the transmission logic 4,5,6,7 antenna reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 RE.

[0236] 其中,对于时域发送位置按照以下方式进行设置: [0236] wherein the time domain for transmission position is set as follows:

[0237] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号及倒数第3个OFDM符号上; And setting the reference signal, the logical index of 0,1,2,3 antennas; reference signal is provided [0237] (I) logical indexes 0,1,2,3 antenna on the same OFDM symbol I-th time slot of each OFDM symbol and the penultimate three OFDM symbol;

[0238] (2)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 And setting the reference signal, the logical index in 4,5,6,7 antenna; reference signal is provided [0238] (2) 4,5,6,7 logical index antenna on the same OFDM symbol each slot on the second OFDM symbol.

[0239] 步骤ニ,将逻辑索引映射成天线端ロ,S卩,将逻辑索引0、1、2、3分别映射成天线端ロa、a+1、b、b+1 ;将逻辑索引4、5、6、7分别映射成天线端ロa+2、a+3、b+2、b+3 ;并在天线端ロ发送对应的天线參考信号,其中,a = 0,b = 6。 [0239] Step ni, the logical index is mapped to antenna port ro, S Jie, 0,1,2,3 logical indexes are mapped to the antenna terminal ro a, a + 1, b, b + 1; the logical index 4 , 6, 7 are mapped to the antenna terminal ro a + 2, a + 3, b + 2, b + 3; ro, and sends a corresponding signal at the antenna reference antenna, wherein, a = 0, b = 6.

[0240] 通过以上实施步骤,形成如图19所示的天线參考信号的发送位置,此外,a的取值还可以为{6,7,8,9}中的ー个,b的取值还可以为{4,5,7,8,9,10,11,12,13}中的ー个。 [0240] Through the above steps embodiment, the reference position of the antenna signal transmission is formed as shown in FIG. 19, in addition, A may also be of value in the {6,7,8,9} ー a, b values ​​are also may ー {a} in 4,5,7,8,9,10,11,12,13.

[0241] 实施例十六 [0241] Example sixteen

[0242] 图20是根据本发明实施例十六的下行參考信号的发送方法的示意图,如图20所示,在扩展CP的条件下,小区ID为0,偶数时隙包括OFDM符号I = O至I = 5,奇数时隙包括OFDM符号I = O至I = 5,该方法包括以下步骤:[0243] 步骤一,设置天线的參考信号的频域发送位置和时域发送位置; [0242] FIG. 20 is a schematic diagram of a downlink reference signal transmission method according to an embodiment of the present invention, sixteen, shown in Figure 20, under the conditions of an extended CP, the cell ID of 0, even slots OFDM symbols I = O to I = 5, odd slots OFDM symbols I = O to I = 5, the method comprising the steps of: [0243] step a, frequency domain and time domain transmission position transmission antenna position setting of the reference signal;

[0244] 其中,对于频域发送位置按照以下方式进行设置: [0244] wherein, for transmitting the frequency domain location is provided as follows:

[0245] (I)逻辑索引为O的天线的參考信号在频域的初始位置为第O个RE ; [0245] (I) the reference signal is a logical index of O in the initial position of the antenna for the first frequency domain REs th O;

[0246] (2)在同一个OFDM符号上,同一根天线的參考信号间隔为12个RE,相邻两根天线的參考信号间隔为3个RE ; [0246] (2) on the same OFDM symbol, the reference signal is the same antenna spacing is 12 REs, the reference signal interval of two adjacent antennas is three REs;

[0247] (3)在发送逻辑索引为0、1、2、3的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE ;在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,设置同一个天线的频域上相邻的两个參考信号间隔6个RE。 On two adjacent OFDM symbols [0247] (3) transmitting antenna logical indexes 0,1,2,3 reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 a REs; on two adjacent OFDM symbol index in the transmission logic 4,5,6,7 antenna reference signal, two adjacent reference signals on the same frequency-domain interval antenna 6 RE.

[0248] 其中,对于时域发送位置按照以下方式进行设置: [0248] wherein the time domain for transmission position is set as follows:

·[0249] (I)将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号及倒数第3个OFDM符号上; The reference signal is set · [0249] (I) logical indexes 0,1,2,3 antenna in one OFDM symbol on the same; and the reference signal is set to a logical index antenna 0,1,2,3 each slot in the I-th OFDM symbol and the third OFDM symbols countdown;

[0250] (2)将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上;并且,将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 And setting the reference signal, the logical index in 4,5,6,7 antenna; reference signal is provided [0250] (2) 4,5,6,7 logical index antenna on the same OFDM symbol each slot on the second OFDM symbol.

[0251] 步骤ニ,将逻辑索引映射成天线端ロ,即,将逻辑索引0、1、2、3分别映射成天线端ロa、a+1、b、b+1 ;将逻辑索引4、5、6、7分别映射成天线端ロa+2、a+3、b+2、b+3 ;并在天线端ロ发送对应的天线參考信号,其中,a = 0,b = 6。 [0251] Step ni, mapped to the logical indexes ro antenna terminal, i.e., the logical index to the antenna terminal are mapped 0,1,2,3 ro a, a + 1, b, b + 1; the logical index 4, 6, 7 are mapped to the antenna terminal ro a + 2, a + 3, b + 2, b + 3; and corresponds to the reference antenna at the antenna transmission signals ro, where, a = 0, b = 6.

[0252] 通过以上实施步骤,形成如图20所示的天线參考信号的发送位置,此外,a的取值还可以为{6,7,8,9}中的ー个,b的取值还可以为{4,5,7,8,9,10,11,12,13}中的ー个。 [0252] Through the above steps embodiment, the reference position of the antenna signal transmission is formed as shown in FIG. 20, in addition, A may also be of value in the {6,7,8,9} ー a, b values ​​are also may ー {a} in 4,5,7,8,9,10,11,12,13.

[0253] 装置实施例 [0253] Example apparatus

[0254] 根据本发明的实施例,提供了ー种下行參考信号的发送装置,该方法基于8天线发射方式,8天线分别用逻辑索引0-7表示。 [0254] According to an embodiment of the present invention, there is provided a transmitting apparatus ー types of downlink reference signal, the transmission mode based on antenna 8, the antenna 8 are represented by logical indexes 0-7. 图21是根据本发明实施例的下行參考信号的发送方法的流程图,如图21所示,该装置包括:频域设置模块212、时域设置模块214、映射模块216、发送模块218,下面对以上结构进行详细描述。 FIG 21 is a flowchart of the downlink reference signal transmission method according to the present invention, shown in Figure 21, the apparatus comprising: a frequency domain setting module 212, a time domain setting module 214, a mapping module 216, transmission module 218, the face of the above structure is described in detail.

[0255] 频域设置模块212,用于设置天线的參考信号的频域发送位置;其中,对于频域发送位置按照以下方式进行设置:根据小区标识确定每根天线的參考信号在频域的初始位置;在同一个OFDM符号上,将同一天线的參考信号间隔设置为12个RE,将相邻两根天线的參考信号间隔设置为3个RE ;在发送相同的天线的參考信号的两个相邻的OFDM符号上,将同一天线在频域上相邻的两个參考信号间隔设置为6个RE,其中,參考信号间隔为η是指两个參考信号所占用的资源元素之间有η-I个资源元素,η的取值为以下之一:3、6、12 ; [0255] frequency domain setting module 212, a frequency-domain transmission signal for setting a reference position of the antenna; wherein the frequency domain for transmitting position is set as follows: the initial reference signal for each antenna in the frequency domain determined according to a cell identifier position; the reference signal in the same interval of one OFDM symbol, the reference signal is the same antenna interval is set to 12 REs, two adjacent antennas is set to three REs; two phase reference signals at the same transmission antenna on adjacent OFDM symbols, the same antenna in the frequency domain of two adjacent reference signal interval is set to 6 REs, wherein the reference signal is η refers intervals between two reference signal resource elements occupied η- I resource elements, η the value of one of the following: 3,6,12;

[0256] 时域设置模块214,用于设置天线的參考信号的时域发送位置;其中,对于时域发送位置按照以下方式进行设置:将逻辑索引为0、1、2、3的天线的參考信号设置在同一个OFDM符号上;将逻辑索引为4、5、6、7的天线的參考信号设置在同一个OFDM符号上; [0256] module 214 setting the time domain, a time domain transmission signal for setting a reference position of the antenna; wherein the time domain for transmission position is set as follows: the logical index of the reference antenna 0,1,2,3 signal is provided on the same OFDM symbol; the reference signal is set to a logical index 4,5,6,7 antenna on the same OFDM symbol;

[0257] 映射模块216,连接至频域设置模块212和时域设置模块214,用于将逻辑索引映射成天线端ロ; [0257] mapping module 216, connection module 212 is provided to the frequency-domain and time-domain setting module 214 for mapping the logical index to the antenna terminal ro;

[0258] 发送模块218,连接至映射模块216,用于在天线端ロ发送对应的天线參考信号。 [0258] The sending module 218 is connected to the mapping module 216 for the corresponding antenna ro transmitting reference signals at the antenna.

[0259] 通过该实施例,提供了8天线时參考信号的发送装置,采用通过设置天线參考信号的频域发送位置和时域发送位置,并将逻辑索引映射成天线端ロ的方法,在保证与4天线相同开销的前提下,能够支持8天线系统的信道估计。 Referring to [0259] By this embodiment, there is provided a signal transmitting antenna 8, the use of frequency domain and time domain transmission transmitting position location antenna reference signal provided, and to a method of mapping logical index ro antenna terminal, to ensure 4 with the premise of the same antenna overhead, 8-antenna system supports a channel estimation.

[0260] 下面对下行參考信号的发送装置的优选结构进行详细描述。 [0260] Next, the preferred configuration of the downlink reference signal transmission apparatus will be described in detail.

[0261] 实施例一 [0261] Example a

[0262] 图22是根据本发明实施例一的下行參考信号的发送装置的优选结构框图,如图22所示,该装置的优选结构如下: [0262] FIG. 22 is a block diagram of a preferred embodiment of a downlink reference signal transmission apparatus according to an embodiment of the present invention, shown in Figure 22, the preferred structure of the device is as follows:

[0263] 频域设置模块212还包括:第一频域设置子模块2202,用于在发送逻辑索引为O、1、2、3的天线的參考信号的两个相邻的OFDM符号上,将同一天线在频域上相邻的两个參考信号间隔设置为6个RE ;第二频域设置子模块2204,用于在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,将同一天线在频域上相邻的两个參考信号间隔设置为6个RE。 [0263] frequency-domain module 212 is provided further comprising: first frequency domain sub-module 2202 is provided for transmitting logical index is O, two adjacent OFDM symbols for a reference signal of an antenna 1, 2, the the same antenna in the frequency domain of two adjacent reference signal interval is set to 6 REs; second frequency domain sub-module 2204 is provided for transmitting the logical index antenna 4,5,6,7 two reference signal on adjacent OFDM symbols, the reference signal interval the same two antennas in the frequency domain is provided adjacent to six RE.

[0264] 时域设置模块214还包括:第一时域设置子模块2206,用于将逻辑索引为0、1、2、 3的天线的參考信号设置在每个时隙的第I个OFDM符号和倒数第3个OFDM符号上或者将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个正交频分复用符号上;第ニ时域设置子模块2208,用于将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 [0264] Time Domain setting module 214 further comprises: a first setting sub-module 2206 in time domain, for the logical index is 0, the reference signal of an antenna 3, I OFDM symbol in each slot disposed on the reference signal and the inverse of the third OFDM symbol index is 0, 1 or logical antenna at the I-th time slot of each orthogonal frequency division multiplexing symbol; a first sub-set time-domain ni module 2208, for the second OFDM symbols of each slot reference signal is set to a logical index of 4,5,6,7 antennas.

[0265] 映射模块216具体包括:第一映射子模块2210,用于将逻辑索引0、1、2、3分别映射成天线端ロ;第二映射子模块2212,用于将逻辑索引4、5、6、7分别映射成天线端ロb、b+l、b+2、b+3 ;其中,a 的取值为{0,6,7,8,9}中的ー个,b 的取值为{4,5,6,7,8,9,10,11,12,13}中的ー个。 [0265] The mapping module 216 comprises: a first sub-mapping module 2210, for respectively mapped to the logical indexes 0,1,2,3 ro antenna terminal; a second sub-mapping module 2212, for the logical index 4,5 6, 7 are mapped to the antenna terminal ro b, b + l, b + 2, b + 3; where, a value of {0,6,7,8,9} of the ー a, b taken {4,5,6,7,8,9,10,11,12,13} ー value of a.

[0266] 实施例ニ [0266] Example ni

[0267] 图23是根据本发明实施例ニ的下行參考信号的发送装置的优选结构框图,如图23所示,该装置的优选结构如下: [0267] FIG. 23 is a block diagram of a preferred downlink reference signal transmission apparatus according ni embodiment of the present invention, shown in Figure 23, the preferred structure of the device is as follows:

[0268] 频域设置模块212还包括:第一频域设置子模块2302,用于在发送逻辑索引为O、 [0268] frequency-domain module 212 is provided further comprising: first frequency domain sub-module 2302 is provided for transmitting logical index is O,

1、2、3的天线的參考信号的两个相邻的OFDM符号上,将同一天线在频域上相邻的两个參考信号间隔设置为6个RE ;第二频域设置子模块2304,用于在发送逻辑索引为4、5、6、7的天线的參考信号的两个相邻的OFDM符号上,将同一天线在频域上相邻的两个參考信号间隔设置为6个RE。 On two adjacent OFDM symbols for a reference signal of the antenna 1, 2, the two reference signal interval the same antenna in the frequency domain is set to six adjacent REs; second frequency domain sub-module 2304 is provided, on two adjacent OFDM symbols for transmitting the reference signal as a logical index 4,5,6,7 antenna, the same antenna in the frequency domain of two adjacent reference signal interval is set to 6 RE.

[0269] 时域设置模块214还包括:第一时域设置子模块2306,用于将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个OFDM符号和倒数第3个OFDM符号上或者将逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个正交频分复用符号上;第ニ时域设置子模块2308,用于将逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个OFDM符号上。 [0269] Time Domain setting module 214 further comprises: a first setting sub-module 2306 in time domain, the reference signal is set for the logical index 0,1,2,3 antennas in each slot of OFDM symbol I disposed on the reference signal and the inverse of the third OFDM symbol index is 0, 1 or logical antenna at the I-th time slot of each orthogonal frequency division multiplexing symbol; a first sub-set time-domain ni module 2308, for the second OFDM symbols of each slot reference signal is set to a logical index of 4,5,6,7 antennas.

[0270] 映射模块216具体包括:第三映射子模块2310,用于将逻辑索引0、1、2、3分别映射成天线端ロa、a+1、a+2、a+3 ;第四映射子模块2312,用于将逻辑索引4、5、6、7分别映射成天线端ロb、b+l、b+2、b+3 ;其中,a的取值为{0,6,7,8,9}中的ー个,b的取值为{4,5,6,7,8,9,10,11,12,13}中的ー个。 [0270] The mapping module 216 comprises: a third sub-mapping module 2310, for the logical index to the antenna terminal are mapped 0,1,2,3 ro a, a + 1, a + 2, a + 3; Fourth mapping submodule 2312, configured to logical index to the antenna terminal are mapped 4,5,6,7 ro b, b + l, b + 2, b + 3; where, a value of the {0,6,7 8,9} in ー a, b values ​​{4,5,6,7,8,9,10,11,12,13} is the number ー.

[0271] 通过本发明的实施例,采用通过设置天线參考信号的频域发送位置和时域发送位置,并将逻辑索引映射成天线端ロ的方法,解决了相关技术中需要一种能够支持8天线场景的导频设计方案的问题,进而在保证与4天线相同开销的前提下,能够支持8天线系统的信道估计。 [0271] Examples of the present invention, a transmitting position by providing the frequency domain and time domain transmission signal, the reference position of the antenna, and the logical index is mapped to the antenna terminal ro method, the problem in the related art, a need for a support 8 conductive antenna design problem of a scene frequency, thereby ensuring the same premise overhead antenna 4, the antenna system 8 able to support channel estimation.

[0272] 显然,本领域的技术人员应该明白,上述的本发明的各模块或各步骤可以用通用的计算装置来实现,它们可以集中在单个的计算装置上,或者分布在多个计算装置所组成的网络上,可选地,它们可以用计算装置可执行的程序代码来实现,从而,可以将它们存储在存储装置中由计算装置来执行,或者将它们分别制作成各个集成电路模块,或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。 [0272] Obviously, those skilled in the art should understand that the modules or steps of the present invention described above can be used general-purpose computing device, they can be integrated in a single computing device or distributed across multiple computing devices available on the Internet, optionally, they can be implemented with program codes executable by a computing device, so that, to be performed by a computing device stored in a storage device, or they are made into integrated circuit modules, or they plurality of modules or steps are manufactured into a single integrated circuit module. 这样,本发明不限制于任何特定的硬件和软件结合。 Thus, the present invention is not limited to any particular hardware and software combination.

[0273] 以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。 [0273] The foregoing is only preferred embodiments of the present invention, it is not intended to limit the invention to those skilled in the art, the present invention may have various changes and variations. 凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。 Any modification within the spirit and principle of the present invention, made, equivalent substitutions, improvements, etc., should be included within the scope of the present invention.

Claims (11)

1. ー种下行參考信号的发送方法,基于8天线发射方式,所述8天线分别用逻辑索引0-7表示,其特征在于,所述方法包括:设置天线的參考信号的频域发送位置和时域发送位置; 其中,对于所述频域发送位置按照以下方式进行设置:根据小区标识确定每根天线的參考信号在频域的初始位置;在同一个正交频分复用符号上,将同一天线的參考信号间隔设置为12个资源元素,将相邻两根天线的參考信号间隔设置为3个资源元素;在发送相同的天线的參考信号的两个相邻的正交频分复用符号上,将同一天线在频域上相邻的两个參考信号间隔设置为6个资源元素,其中,參考信号间隔为η是指两个參考信号所占用的资源元素之间有n-Ι个资源元素,η的取值为以下之一:3、6、12 ; 对于所述时域发送位置按照以下方式进行设置:将逻辑索引为0、1、2、3的天线的參考 1. The method of transmitting a downlink reference signal ー species, based on the transmission mode of the antenna 8, the antenna 8 are represented by logical indexes 0-7, characterized in that, said method comprising: a frequency domain position of an antenna transmitting the reference signal and time-domain transmission position; wherein the frequency domain for transmitting position is set as follows: a cell identifier of each antenna is determined according to the reference signal in the frequency domain initial position; the same orthogonal frequency division multiplexing symbol on the a reference signal interval of a reference signal intervals for the same antenna 12 resource elements, two adjacent antennas is three resource elements; two reference signals at the same transmission antenna adjacent orthogonal frequency-division multiplexing the symbol, the same antenna in the frequency domain of two adjacent reference signal interval is set to 6 resource elements, wherein the reference signal η spacing means there between n-Ι th reference signal resource elements occupied by two resource element, η one of the following values: 6, 12; set for the time-domain transmission position in the following manner: 0,1,2,3 logical index reference antenna 信号设置在同一个正交频分复用符号上;将逻辑索引为4、5、6、7的天线的參考信号设置在同一个正交频分复用符号上; 将所述逻辑索引映射成天线端ロ,并在天线端ロ发送对应的天线參考信号。 Signal is provided at the same orthogonal frequency division multiplexing symbols; the reference signal is set to a logical index 4,5,6,7 antenna in the same orthogonal frequency division multiplexing symbols; mapped to the logical index ro antenna terminal, and sends a corresponding antenna ro reference signal at the antenna.
2.根据权利要求I所述的方法,其特征在于,所述在发送相同的天线的參考信号的两个相邻的正交频分复用符号上,将同一天线在频域上相邻的两个參考信号间隔设置为6个资源元素具体包括: 在发送所述逻辑索引为0、1、2、3的天线的參考信号的两个相邻的正交频分复用符号上,将同一天线在所述频域上相邻的两个參考信号间隔设置为6个资源元素; 在发送所述逻辑索引为4、5、6、7的天线的參考信号的两个相邻的正交频分复用符号上,将同一天线在所述频域上相邻的两个參考信号间隔设置为6个资源元素。 2. The method of claim I, wherein adjacent two of the orthogonal reference signals transmitted from the same antenna in a frequency division multiplexing symbols on the same antenna adjacent in the frequency domain two reference signal interval is set to 6 resource elements comprises: adjacent two orthogonal transmitting the logical indexes 0,1,2,3 antenna reference signal frequency division multiplexing symbols on the same adjacent to the antenna in the frequency domain reference signal interval is set to two 6 resource elements; the two transmitting antenna 4,5,6,7 logical index adjacent reference signals orthogonal frequency division multiplexing symbols on the same antenna spacing two adjacent reference signals on the frequency domain is set to 6 resource elements.
3.根据权利要求I所述的方法,其特征在于,对于所述时域发送位置进ー步按照以下方式进行设置: 将所述逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个正交频分复用符号和倒数第3个正交频分复用符号上; 将所述逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个正交频分复用符号上。 3. The method of claim I, wherein the intake ー further set as follows for the time-domain transmission position: the logical index 0,1,2,3 antenna reference signal provided frequency division multiplexing symbol and the penultimate 3 orthogonal frequency division multiplexing symbols in the I-th orthogonal to each time slot; the logic 4,5,6,7 antenna index reference signal provided each slot of the two orthogonal frequency division multiplexing symbols on.
4.根据权利要求I所述的方法,其特征在于,对于所述时域发送位置进ー步按照以下方式进行设置: 将所述逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个正交频分复用符号上; 将所述逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个正交频分复用符号上。 4. The method of claim I, wherein the intake ー further set as follows for the time-domain transmission position: the logical index 0,1,2,3 antenna reference signal provided in each slot the I-th orthogonal frequency division multiplexing symbols on; the reference signal is provided as the logical index of 4,5,6,7 antenna in the second time slot of each orthogonal frequency division multiplexing the symbols.
5.根据权利要求I所述的方法,其特征在于,所述将所述逻辑索引映射成天线端ロ的操作具体包括: 将逻辑索引0、1、2、3分别映射成天线端ロa、a+l、a+2、a+3 ; 将逻辑索引4、5、6、7分别映射成天线端ロb、b+l、b+2、b+3 ; 其中,a的取值为{0,6,7,8,9}中的ー个,b的取值为{4,5,6,7,8,9,10,11,12,13}中的ー个。 The method according to claim I, wherein said logical index is mapped to the antenna terminal ro operation comprises: logic 0,1,2,3 index mapped to the antenna terminal ro a, a + l, a + 2, a + 3; 4,5,6,7 logical indexes are mapped to the antenna terminal ro b, b + l, b + 2, b + 3; where, a value of the { 0,6,7,8,9} ー in a, b values ​​{4,5,6,7,8,9,10,11,12,13} is the number ー.
6.根据权利要求I所述的方法,其特征在于,所述将所述逻辑索引映射成天线端ロ的操作具体包括: 将逻辑索引0、1、2、3分别映射成天线端ロa、a+l、b、b+l ; 将逻辑索引4、5、6、7分别映射成天线端ロa+2、a+3、b+2、b+3 ; 其中,a的取值为{0,6,7,8,9}中的ー个,b的取值为{4,5,6,7,8,9,10,11,12,13}中的ー个。 6. The method as claimed in claim I, wherein said logical index is mapped to the antenna terminal ro operation comprises: logic 0,1,2,3 index mapped to the antenna terminal ro a, a + l, b, b + l; 4,5,6,7 logical indexes are mapped to the antenna terminal ro a + 2, a + 3, b + 2, b + 3; where, a value of the { 0,6,7,8,9} ー in a, b values ​​{4,5,6,7,8,9,10,11,12,13} is the number ー.
7. ー种下行參考信号的发送装置,基于8天线发射方式,所述8天线分别用逻辑索引0-7表示,其特征在于,所述装置包括: 频域设置模块,用于设置天线的參考信号的频域发送位置;其中,对于所述频域发送位置按照以下方式进行设置:根据小区标识确定每根天线的參考信号在频域的初始位置;在同一个正交频分复用符号上,将同一天线的參考信号间隔设置为12个资源元素,将相邻两根天线的參考信号间隔设置为3个资源元素;在发送相同的天线的參考信号的两个相邻的正交频分复用符号上,将同一天线在频域上相邻的两个參考信号间隔设置为6个资源元素,其中,參考信号间隔为η是指两个參考信号所占用的资源元素之间有n-Ι个资源元素,η的取值为以下之一:3、6、12 ; 时域设置模块,用于设置天线的參考信号的时域发送位置;其中,对于所述时域 7. ー species downlink reference signal transmission means, the transmission mode based on antenna 8, the antenna 8 are represented by logical indexes 0-7, characterized in that, said means comprising: a frequency domain setting means for setting a reference antenna transmitting the position of the frequency domain signal; wherein, for transmitting the frequency-domain location is provided as follows: a cell identifier of each antenna is determined according to the reference signal in the frequency domain initial position; in one orthogonal frequency-division multiplexing the symbols , the reference signal interval is set to the same antenna 12 resource elements, the adjacent two antennas spaced reference signals to resource elements 3; two adjacent quadrature reference signals of transmitting antennas of the same frequency division multiplexing symbols on the same antenna in the frequency domain of two adjacent reference signal interval is set to 6 resource elements, wherein the reference signal is η refers intervals between two reference signal resource elements occupied n- Ι resource elements, one of the following values ​​[eta]: 3,6,12; setting time domain module, a time domain transmission signal for setting the position of the reference antenna; wherein, for the time-domain 送位置按照以下方式进行设置:将逻辑索引为0、1、2、3的天线的參考信号设置在同一个正交频分复用符号上;将逻辑索引为4、5、6、7的天线的參考信号设置在同一个正交频分复用符号上; 映射模块,用于将所述逻辑索引映射成天线端ロ; 发送模块,用于在天线端ロ发送对应的天线參考信号。 Sending location following manner: the reference signal is set to a logical index 0,1,2,3 antenna in the same orthogonal frequency division multiplexing symbols; 4,5,6,7 logical index antenna the reference signal is provided at the same orthogonal frequency-division multiplexing symbol; mapping module, for mapping the logical index to the antenna terminal ro; transmitting module, for the corresponding transmit antenna reference signal at the antenna ro.
8.根据权利要求7所述的装置,其特征在于,所述频域设置模块包括: 第一频域设置子模块,用于在发送所述逻辑索引为0、1、2、3的天线的參考信号的两个相邻的正交频分复用符号上,将同一天线在所述频域上相邻的两个參考信号间隔设置为6个资源元素; 第二频域设置子模块,用于在发送所述逻辑索引为4、5、6、7的天线的參考信号的两个相邻的正交频分复用符号上,将同一天线在所述频域上相邻的两个參考信号间隔设置为6个资源元素。 8. The apparatus according to claim 7, wherein the frequency-domain setting module comprises: a first frequency domain setting sub-module, for sending the logical indexes 0,1,2,3 antenna two adjacent reference signals orthogonal frequency division multiplexing symbols on the two reference signals on the same antenna adjacent to the frequency-domain interval is set to 6 resource elements; second frequency domain sub-module is provided with two adjacent orthogonal to the transmitting antenna 4,5,6,7 logical index is a reference signal frequency division multiplexing symbols on the same antenna adjacent in the frequency domain with reference to two signal interval is set to 6 resource elements.
9.根据权利要求7所述的装置,其特征在于,所述时域设置模块包括: 第一时域设置子模块,用于将所述逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个正交频分复用符号和倒数第3个正交频分复用符号上或者将所述逻辑索引为0、1、2、3的天线的參考信号设置在每个时隙的第I个正交频分复用符号上; 第二时域设置子模块,用于将所述逻辑索引为4、5、6、7的天线的參考信号设置在每个时隙的第2个正交频分复用符号上。 9. The apparatus according to claim 7, wherein the time-domain setting module comprises: a first time domain setting sub-module, configured to the logical index of the reference antenna 0,1,2,3 I-th signal provided at each slot of the orthogonal frequency division multiplexing symbol and the penultimate 3 orthogonal frequency division multiplexing symbol on the logical index or 0,1,2,3 antenna reference signal provided on the I-th time slot of each orthogonal frequency division multiplexing symbols on; second time domain setting sub-module, for setting said reference signal is a logical index in each antenna 4,5,6,7 the second slot orthogonal frequency division multiplexing symbols on.
10.根据权利要求7所述的装置,其特征在于,所述映射模块具体包括: 第一映射子模块,用于将逻辑索引0、1、2、3分别映射成天线端ロa、a+l、b、b+l ; 第二映射子模块,用于将逻辑索引4、5、6、7分别映射成天线端ロa+2、a+3、b+2、b+3 ;其中,a的取值为{0,6,7,8,9}中的ー个,b的取值为{4,5,6,7,8,9,10,11,12,13}中的ー个。 10. The apparatus according to claim 7, wherein the mapping module comprises: a first sub-mapping module, for mapping the logical index to the antenna terminal are 0,1,2,3 ro a, a + l, b, b + l; a second sub-mapping module, for mapping the logical index to the antenna terminal are 4,5,6,7 ro a + 2, a + 3, b + 2, b + 3; wherein, the value of a in {0,6,7,8,9} ー a, b values ​​of {4,5,6,7,8,9,10,11,12,13} is ーa.
11.根据权利要求7所述的装置,其特征在于,所述映射模块具体包括:第三映射子模块,用于将逻辑索引0、1、2、3分别映射成天线端ロa、a+l、a+2、a+3 ; 第四映射子模块,用于将逻辑索引4、5、6、7分别映射成天线端ロb、b+l、b+2、b+3 ; 其中,a的取值为{0,6,7,8,9}中的ー个,b的取值为{4,5,6,7,8,9,10,11,12,13}中的ー个。 11. The apparatus according to claim 7, wherein the mapping module comprises: a third sub-mapping module, for mapping the logical index to the antenna terminal are 0,1,2,3 ro a, a + l, a + 2, a + 3; fourth sub-mapping module, for mapping the logical index to the antenna terminal are 4,5,6,7 ro b, b + l, b + 2, b + 3; wherein, the value of a in {0,6,7,8,9} ー a, b values ​​of {4,5,6,7,8,9,10,11,12,13} is ーa.
CN 200810135190 2008-08-15 2008-08-15 Transmitting method and apparatus of downlink reference signal CN101340227B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200810135190 CN101340227B (en) 2008-08-15 2008-08-15 Transmitting method and apparatus of downlink reference signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200810135190 CN101340227B (en) 2008-08-15 2008-08-15 Transmitting method and apparatus of downlink reference signal

Publications (2)

Publication Number Publication Date
CN101340227A CN101340227A (en) 2009-01-07
CN101340227B true CN101340227B (en) 2012-10-10

Family

ID=40214203

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200810135190 CN101340227B (en) 2008-08-15 2008-08-15 Transmitting method and apparatus of downlink reference signal

Country Status (1)

Country Link
CN (1) CN101340227B (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101677304B (en) 2008-09-19 2012-04-18 电信科学技术研究院 Collocation method of downlink common pilot frequency
CN101729091B (en) 2008-10-27 2013-06-05 华为技术有限公司 Configuration, notification and channel estimation methods of pilot frequency signals and devices thereof
CN101778065B (en) * 2009-01-12 2013-08-07 中兴通讯股份有限公司 Method and system for mapping downlink data carriers
CN101777945B (en) * 2009-01-12 2013-05-08 电信科学技术研究院 Method for sending reference signal in multi-antenna communication system and base station
CN101547036B (en) 2009-01-23 2012-08-08 华为技术有限公司 Reference signal transmission method, equipment and system after transmitting antenna extending
KR101254162B1 (en) 2009-02-01 2013-04-18 후아웨이 테크놀러지 컴퍼니 리미티드 Method for transmitting reference signals
CN105141402A (en) * 2009-02-08 2015-12-09 Lg电子株式会社 Method for transmitting reference signal for terminal demodulation in radio mobile communication system, and apparatus for implementing the same
US9647810B2 (en) 2009-03-17 2017-05-09 Samsung Electronics Co., Ltd. Method and system for mapping pilot signals in multi-stream transmissions
CN101534285B (en) * 2009-04-09 2015-07-22 中兴通讯股份有限公司 A sending method for reference signals
KR101738162B1 (en) * 2009-04-10 2017-05-22 엘지전자 주식회사 Method and apparatus of transmitting positioning reference signal in wireless communication system
JP2012524453A (en) 2009-04-15 2012-10-11 エルジー エレクトロニクス インコーポレイティド Method for transmitting a reference signal and apparatus
CN101931443B (en) * 2009-06-24 2014-07-16 中兴通讯股份有限公司 Multi-antenna transmission method and system
WO2011000302A1 (en) * 2009-06-29 2011-01-06 华为技术有限公司 Method, device and system for reference signal processing
US8437300B2 (en) 2009-10-12 2013-05-07 Samsung Electronics Co., Ltd Method and system of multi-layer beamforming
US9031008B2 (en) 2009-10-30 2015-05-12 Samsung Electronics Co., Ltd. Methods and apparatus for multi-user MIMO transmissions in wireless communication systems
CN102088309B (en) * 2009-12-04 2014-09-10 重庆无线绿洲通信技术有限公司 Method and device for generating reference signal used for estimating channel quality
CN101778068B (en) * 2009-12-25 2014-01-01 中兴通讯股份有限公司 Frequency domain position-confirming method and device of positioning reference signal
PL2526632T3 (en) * 2010-01-20 2017-04-28 Telefonaktiebolaget Lm Ericsson (Publ) Antenna port mapping method and device for demodulation reference signals
CN102237951B (en) * 2010-04-30 2014-03-05 中国移动通信集团公司 Cell eight-antenna port channel state information reference signal transmission method and device
CN102263723B (en) * 2010-05-31 2013-09-25 中国移动通信集团公司 Downstream channel measure reference signal sending method, apparatus thereof, downstream channel measure reference signal receiving method, and apparatus thereof
US9008035B2 (en) * 2011-09-29 2015-04-14 Futurewei Technologies, Inc. Wireless communication control channel systems and methods
CN103107962B (en) 2012-03-07 2014-08-20 展讯通信(上海)有限公司 Method, device and system on chip (SOC) of obtaining and handling estimated value of sending signal
JP6112522B2 (en) 2012-05-23 2017-04-12 ▲ホア▼▲ウェイ▼技術有限公司Huawei Technologies Co.,Ltd. Method and device for transmitting a reference signal sequence
WO2014040282A1 (en) * 2012-09-14 2014-03-20 华为终端有限公司 Method and device for mapping enhanced downlink control channel resource and antenna port
CN104349444B (en) * 2013-07-25 2018-01-16 北京久华信信息技术有限公司 The method of transmitting a sounding reference signal in the downlink system tdd
CN105432106A (en) * 2014-07-15 2016-03-23 华为技术有限公司 Apparatus and method for sending a reference signal
CN108282300A (en) * 2017-01-06 2018-07-13 中兴通讯股份有限公司 Reference signal transmission method and apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1777168A (en) 2005-12-14 2006-05-24 北京交通大学 DFDM system time-frequency domain hybrid difference modulating method
WO2008084662A1 (en) 2007-01-09 2008-07-17 Ntt Docomo, Inc. Base station device, user device, and method used in mobile communication system
WO2008084719A1 (en) 2007-01-09 2008-07-17 Ntt Docomo, Inc. Transmission device, reception device, and method used in mobile communication system using ofdm method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1777168A (en) 2005-12-14 2006-05-24 北京交通大学 DFDM system time-frequency domain hybrid difference modulating method
WO2008084662A1 (en) 2007-01-09 2008-07-17 Ntt Docomo, Inc. Base station device, user device, and method used in mobile communication system
WO2008084719A1 (en) 2007-01-09 2008-07-17 Ntt Docomo, Inc. Transmission device, reception device, and method used in mobile communication system using ofdm method

Also Published As

Publication number Publication date
CN101340227A (en) 2009-01-07

Similar Documents

Publication Publication Date Title
US9077569B2 (en) Reference signal for a control channel in wireless communication network
JP5873191B2 (en) Wireless communication method and a communication device
CN105103473B (en) Device via the network to the scheduled communication device
US9413509B2 (en) Hybrid automatic repeat request acknowledge resource allocation for enhanced physical downlink control channel
CN102484877B (en) Method and apparatus for transmitting sounding reference signal in radio communication system
US20140286297A1 (en) Method and apparatus for transmitting downlink control information
CN103428817B (en) D2d based device discovery method and apparatus of cellular communication system lte
JP6431994B2 (en) Scalable ofdm numerology of the system and method
CN102546504B (en) Frequency domain transmission method and device
JP6400598B2 (en) Downlink signal reception method and a user equipment, and downlink signal transmission method and a base station
RU2643643C1 (en) Systems and methods for ofdm with flexible intervals of substructing and duration of symbol
US8711790B2 (en) DL control channel structure enhancement
KR20150084770A (en) Method and apparatus for transmitting data, and method and apparatus for transmitting data
CN102395160B (en) Method and system for transmitting control data to a user equipment
CN102396198A (en) Method and system for mapping pilot signals in multi-stream transmissions
EP2826164B1 (en) Down-sampling of cell-specific reference signals (crs) for a new carrier type (nct)
WO2013041138A1 (en) Apparatus and method for communication
US8761116B2 (en) Method and system for transmitting position reference signal
CN102573094B (en) Method and device for transmitting DCI (downlink control information)
KR20140098767A (en) Method and device for transmitting control information
CN101414902A (en) Transmission method and apparatus for long term evolution TDD system
CN103314536A (en) Method and apparatus for receiving signal in multi-node system
KR101530138B1 (en) A csi-rs transmission method, detection method and device thereof
CN102958058A (en) Method and device for notifying user equipment to carry out dynamical uplink and downlink configuration in heterogeneous network
CN105359448B (en) A kind of application method and equipment of the frame structure of filter bank multi-carrier waveform

Legal Events

Date Code Title Description
C06 Publication
C10 Request of examination as to substance
C14 Granted