WO2017219204A1 - 信息传输方法和装置 - Google Patents
信息传输方法和装置 Download PDFInfo
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- WO2017219204A1 WO2017219204A1 PCT/CN2016/086421 CN2016086421W WO2017219204A1 WO 2017219204 A1 WO2017219204 A1 WO 2017219204A1 CN 2016086421 W CN2016086421 W CN 2016086421W WO 2017219204 A1 WO2017219204 A1 WO 2017219204A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
- H04W72/1263—Mapping of traffic onto schedule, e.g. scheduled allocation or multiplexing of flows
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0033—Systems modifying transmission characteristics according to link quality, e.g. power backoff arrangements specific to the transmitter
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L25/00—Baseband systems
- H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
- H04L25/03—Shaping networks in transmitter or receiver, e.g. adaptive shaping networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
- H04L5/0051—Allocation of pilot signals, i.e. of signals known to the receiver of dedicated pilots, i.e. pilots destined for a single user or terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0073—Allocation arrangements that take into account other cell interferences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
Definitions
- the present application relates to the field of communications, and more particularly to an information transmission method and apparatus.
- the first sending end sends the first signal by using the first subcarrier interval on the first symbol in the first time-frequency region, including: the first transmitting end is at the first Transmitting, by the first cell, the first signal by using the first subcarrier interval in the time-frequency region;
- the information transmission method further includes:
- the receiving end receives, in the first time-frequency region, a second signal that is sent by using the second sub-carrier interval, where the second signal is a data signal or a control signal, where
- the receiving end receives, in the first time-frequency region, a second signal that is sent by using the second sub-carrier interval on the second symbol, where the receiving end passes the first cell in the first time-frequency region.
- the receiving end receives, in the first time-frequency region, a first signal that is sent by using the first sub-carrier interval on the first symbol, where the receiving end is at the first time-frequency.
- FIG. 4 is a schematic flowchart of an information transmission method according to an embodiment of the present application.
- the network device in the embodiment of the present application may be a device for communicating with a terminal device, where the network device may be a Base Transceiver Station ("BTS") in GSM or CDMA, or may be a base station in a WCDMA system (
- the NodeB (abbreviated as “NB”) may also be an evolved base station (Evolutional NodeB, referred to as “eNB or eNodeB”) in the LTE system, or may be a Cloud Radio Access Network (CRAN).
- the wireless controller in the scenario, or the network device may be a relay station, an access point, an in-vehicle device, a wearable device, and a network device in a future 5G network or a network device in a future evolved PLMN network.
- FIG. 2 is a schematic flowchart of an information transmission method 200 according to an embodiment of the present application. 2 shows the steps or operations of the information transmission method, but these steps or operations are merely examples, and other operations of the present invention or variations of the operations of FIG. 2 may be performed.
- the first sending end sends, in the first time-frequency region, a first signal to the receiving end by using the first sub-carrier interval, where the first signal is a reference signal.
- FIG. 4 a schematic flowchart of the information transmission method 300 performed by the receiving end in the embodiment of the present invention is shown in FIG. 4 .
- FIG. 4 illustrates the steps or operations of the information transmission method, but these steps or operations are merely examples, and other embodiments of the present invention may also perform other operations or variations of the operations in FIG.
- the receiving end may perform subsequent processing, for example, demodulating the second signal by using the first signal, and the specific processing operation is not limited in this embodiment.
- the network device uses different subcarrier spacings of the data signals (or control signals) transmitted by the two cells on the symbols occupied by the non-reference signals, and the subcarrier spacings of the reference signals on the same antenna port are the same, and the reference signals occupy the same.
- the time-frequency shape of the resource particles is the same.
- the reference signals of the two cells on the same antenna port adopt an orthogonal or low correlation sequence.
- the first transmitting end sends the first signal by using the first subcarrier interval on the first symbol in the first time-frequency region, and the first signal is a reference signal.
- the first transmitting end transmits the third signal in the second time-frequency region on the third symbol by using the first sub-carrier interval by the second cell, where the third signal is a reference signal.
- the receiving end receives the third signal by using the first subcarrier interval by the second cell in the second time-frequency region and on the third symbol.
- the method may be applied to the downlink transmission.
- the first transmitting end may be a network device
- the receiving end may be a terminal device, where the receiving ends corresponding to different time-frequency regions may be the same terminal device, Can be different terminal devices.
- the method can also be used for uplink transmission.
- the transmitting end is a terminal device
- the receiving end can be a network device.
- the reference signals use the same subcarrier spacing, which can avoid the use of different subcarrier spacing reference signals in the same cell. Serious inter-subcarrier interference is generated, which guarantees the performance of channel estimation.
- the method may be applied to uplink transmission.
- the first sending end and the second sending end may be located in the same cell, or the first time-frequency area and the second sending signal of the first transmitting end are The time-frequency of the fourth time-frequency region in which the transmitting end transmits information is the same or adjacent.
- the method may be applied to downlink transmission.
- the first time-frequency region of the first transmitting end transmitting signal and the fourth time-frequency region of the second transmitting end transmitting information are the same or adjacent.
- the first sending end and the second sending end may correspond to different cells.
- the first transmitting end transmits the first signal in the first time-frequency region on the first symbol by using the first sub-carrier interval, where the first signal is a reference signal.
- the receiving end receives the eighth signal by using the fifth subcarrier interval in the fourth time-frequency region and on the eighth symbol.
- the cross arrangement mentioned in the embodiment of the present application does not have to be a one-to-one sequential cross arrangement, and may be determined according to the semaphore of the reference signal and the semaphore relationship of the data signal (or control signal), for example, at a certain On one symbol, the first subcarrier transmits a reference signal, the second, third, and fourth subcarriers transmit data or control signals, and the fifth subcarrier transmits a reference signal, sixth, seventh, and eighth. Send data or control signals, and so on.
- the processing unit 710 is further configured to: acquire the third signal and the fourth signal, where the third signal is a reference signal, and the fourth signal is a data signal or a control signal.
- the sending unit 720 is further configured to: in the first time-frequency region, send, by using the first sub-carrier, the first signal on the first symbol, by using the first cell, in the first time-frequency region. Through the first cell, Transmitting, by the second subcarrier, the second signal on the second symbol; in the second time-frequency region, transmitting, by the second cell, the third signal by using the first subcarrier interval on the third symbol And transmitting, in the second time-frequency region, the fourth signal by using the third sub-carrier interval on the fourth symbol by using the second cell.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
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Abstract
Description
Claims (22)
- 一种信息传输方法,其特征在于,包括:第一发送端在第一时频区域内,在第一符号上,利用第一子载波间隔发送第一信号,所述第一信号为参考信号;所述第一发送端在所述第一时频区域内,在第二符号上,利用第二子载波间隔发送第二信号,所述第二信号为数据信号或控制信号;其中,所述第一子载波间隔不同于所述第二子载波间隔,所述第一时频区域的大小为数据信号的最小时频调度单位大小。
- 根据权利要求1所述的方法,其特征在于,所述第一信号用于接收端解调所述第二信号。
- 根据权利要求1或2所述的方法,其特征在于,所述第一发送端在第一时频区域内,在第一符号上,利用第一子载波间隔发送第一信号,包括:所述第一发送端在所述第一时频区域内,通过第一小区,在所述第一符号上,利用所述第一子载波间隔发送所述第一信号;所述第一发送端在所述第一时频区域内,在第二符号上,利用第二子载波间隔发送第二信号,包括:所述第一发送端在所述第一时频区域内,通过所述第一小区,在所述第二符号上,利用所述第二子载波间隔发送所述第二信号;所述方法还包括:所述第一发送端在第二时频区域内,在第三符号上,通过第二小区利用所述第一子载波间隔发送第三信号,所述第三信号为参考信号;所述第一发送端在所述第二时频区域内,在第四符号上,通过所述第二小区,利用第三子载波间隔发送第四信号,所述第四信号为数据信号或控制信号;其中,所述第二子载波间隔不同于所述第三子载波间隔,所述第一小区不同于所述第二小区;所述第一时频区域和所述第二时频区域的时频相同,频域相同或相邻;所述第二时频区域的大小为数据信号的最小时频调度单位大小。
- 根据权利要求1或2所述的方法,其特征在于,所述第一发送端在第一时频区域内,在第一符号上,利用第一子载波间隔发送第一信号,包括:所述第一发送端在所述第一时频区域内,通过第一小区,在所述第一符号上,利用所述第一子载波间隔发送所述第一信号;所述第一发送端在所述第一时频区域内,在第二符号上,利用第二子载波间隔发送第二信号,包括:所述第一发送端在所述第一时频区域内,通过所述第一小区,在所述第二符号上,利用所述第二子载波间隔发送所述第二信号;所述方法还包括:所述第一发送端在第三时频区域内,在第五符号上,通过所述第一小区利用所述第一子载波间隔发送第五信号,所述第五信号为参考信号;所述第一发送端在所述第三时频区域内,在第六符号上,通过所述第一小区,利用第四子载波间隔发送第六信号,所述第六信号为数据信号或控制信号;其中,所述第二子载波间隔不同于所述第四子载波间隔;所述第一时频区域和所述第三时频区域的时域相同,频域不同;所述第三时频区域的大小为数据信号的最小时频调度单位大小。
- 根据权利要求1或2所述的方法,其特征在于,所述方法还包括:第二发送端在第四时频区域内,在第七符号上,利用所述第一子载波间隔发送第七信号,所述第七信号为参考信号;所述第二发送端在所述第四时频区域内,在第八符号上,利用第五子载波间隔发送第八信号,所述第八信号为数据信号或控制信号;其中,所述第一子载波间隔不同于所述第五子载波间隔;其中,所述第一时频区域和所述第四时频区域的时域相同;所述第一时频区域和所述第四时频区域的时域相同频域相同或相邻,和/或,所述第一发送端和所述第二发送端位于相同的小区;所述第四时频区域的大小为数据信号或控制信号的最小时频调度单位大小。
- 根据权利要求1至5中任一项所述的方法,其特征在于,数据信号和控制信号对应不同的子载波间隔。
- 根据权利要求1至6中任一项所述的方法,其特征在于,所述方法还包括:在所述第一时频区域内,在所述第一符号上,通过所述第一子载波间隔发送第九信号,所述第九信号为数据信号或控制信号。
- 根据权利要求7所述的方法,其特征在于,所述第九信号与所述第一信号在频域上交叉排列。
- 一种信息传输方法,其特征在于,包括:接收端在第一时频区域内,在第一符号上,接收利用第一子载波间隔发送的第一信号,所述第一信号为参考信号;所述接收端在所述第一时频区域内,在第二符号上,接收利用第二子载波间隔发送的第二信号,所述第二信号为数据信号或控制信号;其中,所述第一子载波间隔不同于所述第二子载波间隔,所述第一时频区域的大小为数据信号或控制信号的最小时频调度单位大小。
- 根据权利要求9所述的方法,其特征在于,所述方法还包括:所述接收端利用所述第一信号解调所述第二信号。
- 根据权利要求9或10所述的方法,其特征在于,所述接收端在第一时频区域内,在第一符号上,接收利用第一子载波间隔发送的第一信号,包括:所述接收端在所述第一时频区域内,通过第一小区,在所述第一符号上,接收利用所述第一子载波间隔发送的所述第一信号;所述接收端在所述第一时频区域内,在第二符号上,接收利用第二子载波间隔发送的第二信号,包括:所述接收端在所述第一时频区域内,通过所述第一小区,在所述第二符号上,接收利用所述第二子载波间隔发送的所述第二信号;所述方法还包括:所述接收端在第二时频区域内,在第三符号上,通过第二小区,接收利用所述第一子载波间隔的发送第三信号,所述第三信号为参考信号;所述接收端在所述第二时频区域内,在第四符号上,通过所述第二小区,接收利用第三子载波间隔发送的第四信号,所述第四信号为数据信号或控制信号;其中,所述第二子载波间隔不同于所述第三子载波间隔,所述第一小区不同于所述第二小区;所述第一时频区域和所述第二时频区域的时频相同,频域相同或相邻;所述第二时频区域的大小为数据信号或控制信号的最小时频调度单位大小。
- 根据权利要求9或10所述的方法,其特征在于,所述接收端在第一时频区域内,在第一符号上,接收利用第一子载波间隔发送的第一信号,包括:所述接收端在所述第一时频区域内,通过第一小区,在所述第一符号上,接收利用所述第一子载波间隔发送的所述第一信号;所述接收端在所述第一时频区域内,在第二符号上,接收利用第二子载 波间隔发送的第二信号,包括:所述接收端在所述第一时频区域内,通过所述第一小区,在所述第二符号上,接收利用所述第二子载波间隔发送的所述第二信号;所述方法还包括:所述接收端在第三时频区域内,在第五符号上,通过所述第一小区,接收利用所述第一子载波间隔发送的第五信号,所述第五信号为参考信号;所述接收端在所述第三时频区域内,在第六符号上,通过所述第一小区,接收利用第四子载波间隔发送的第六信号,所述第六信号为数据信号或控制信号;其中,所述第二子载波间隔不同于所述第四子载波间隔;所述第一时频区域和所述第三时频区域的时域相同,频域不同;所述第三时频区域的大小为数据信号或控制信号的最小时频调度单位大小。
- 一种信息传输装置,其特征在于,包括:处理单元,用于获取第一信号和第二信号,所述第一信号为参考信,所述第二信号为数据信号或控制信号号;发送单元,用于在第一时频区域内,在第一符号上,利用第一子载波间隔发送所述第一信号,在所述第一时频区域内,在第二符号上,利用第二子载波间隔发送第二信号;其中,所述第一子载波间隔不同于所述第二子载波间隔,所述第一时频区域的大小为数据信号的最小时频调度单位大小。
- 根据权利要求13所述的装置,其特征在于,所述第一信号用于接收端解调所述第二信号。
- 根据权利要求13或14所述的装置,其特征在于,所述处理单元进一步用于:获取第三信号和第四信号,所述第三信号为参考信号,所述第四信号为数据信号或控制信号;所述发送单元进一步用于:在所述第一时频区域内,通过第一小区,在所述第一符号上,利用所述第一子载波间隔发送所述第一信号;在所述第一时频区域内,通过所述第一小区,在所述第二符号上,利用所述第二子载波间隔发送所述第二信号;在第二时频区域内,在第三符号上,通过第二小区利用所述第一子载波 间隔发送所述第三信号;在所述第二时频区域内,在第四符号上,通过所述第二小区,利用第三子载波间隔发送所述第四信号;其中,所述第二子载波间隔不同于所述第三子载波间隔,所述第一小区不同于所述第二小区;所述第一时频区域和所述第二时频区域的时频相同,频域相同或相邻;所述第二时频区域的大小为数据信号的最小时频调度单位大小。
- 根据权利要求13或14所述的装置,其特征在于,所述处理单元进一步用于:获取第五信号和第六信号,所述第五信号为参考信号,所述第六信号为数据信号或控制信号;所述发送单元进一步用于:在所述第一时频区域内,通过第一小区,在所述第一符号上,利用所述第一子载波间隔发送所述第一信号;在所述第一时频区域内,通过所述第一小区,在所述第二符号上,利用所述第二子载波间隔发送所述第二信号;在第三时频区域内,在第五符号上,通过所述第一小区利用所述第一子载波间隔发送所述第五信号;在所述第三时频区域内,在第六符号上,通过所述第一小区,利用第四子载波间隔发送所述第六信号;其中,所述第二子载波间隔不同于所述第四子载波间隔;所述第一时频区域和所述第三时频区域的时域相同,频域不同;所述第三时频区域的大小为数据信号的最小时频调度单位大小。
- 根据权利要求13至16中任一项所述的装置,其特征在于,数据信号和控制信号对应不同的子载波间隔。
- 根据权利要求13至17中任一项所述的装置,其特征在于,所述处理单元进一步用于:获取第九信号,,所述第九信号为数据信号或控制信号;所述发送单元进一步用于:在所述第一时频区域内,在所述第一符号上,通过所述第一子载波间隔发送第九信号。
- 一种信息传输装置,其特征在于,包括:接收单元,用于接收端在第一时频区域内,在第一符号上,接收利用第一子载波间隔发送的第一信号,所述第一信号为参考信号;在所述第一时频区域内,在第二符号上,接收利用第二子载波间隔发送的第二信号,所述第二信号为数据信号或控制信号;处理单元,用于处理所述第一信号和所述第二信号;其中,所述第一子载波间隔不同于所述第二子载波间隔,所述第一时频区域的大小为数据信号或控制信号的最小时频调度单位大小。
- 根据权利要求19所述的装置,其特征在于,所述处理单元进一步用于:利用所述第一信号解调所述第二信号。
- 根据权利要求19或20所述的装置,其特征在于,所述接收单元进一步用于:在所述第一时频区域内,通过第一小区,在所述第一符号上,接收利用所述第一子载波间隔发送的所述第一信号;在所述第一时频区域内,通过所述第一小区,在所述第二符号上,接收利用所述第二子载波间隔发送的所述第二信号;在第二时频区域内,在第三符号上,通过第二小区,接收利用所述第一子载波间隔的发送第三信号,所述第三信号为参考信号;在所述第二时频区域内,在第四符号上,通过所述第二小区,接收利用第三子载波间隔发送的第四信号,所述第四信号为数据信号或控制信号;所述处理单元进一步用于:处理所述第三信号和所述第四信号;其中,所述第二子载波间隔不同于所述第三子载波间隔,所述第一小区不同于所述第二小区;所述第一时频区域和所述第二时频区域的时频相同,频域相同或相邻;所述第二时频区域的大小为数据信号或控制信号的最小时频调度单位大小。
- 根据权利要求19或20所述的装置,其特征在于,所述接收单元进一步用于:在所述第一时频区域内,通过第一小区,在所述第一符号上,接收利用所述第一子载波间隔发送的所述第一信号;在所述第一时频区域内,通过所述第一小区,在所述第二符号上,接收利用所述第二子载波间隔发送的所述第二信号;在第三时频区域内,在第五符号上,通过所述第一小区,接收利用所述第一子载波间隔发送的第五信号,所述第五信号为参考信号;在所述第三时频区域内,在第六符号上,通过所述第一小区,接收利用第四子载波间隔发送的第六信号,所述第六信号为数据信号或控制信号;所述处理单元进一步用于:处理所述第五信号和所述第六信号;其中,所述第二子载波间隔不同于所述第四子载波间隔;所述第一时频区域和所述第三时频区域的时域相同,频域不同;所述第三时频区域的大小为数据信号或控制信号的最小时频调度单位大小。
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