WO2019047766A1 - 时间提前量指示方法、基站、终端及装置 - Google Patents
时间提前量指示方法、基站、终端及装置 Download PDFInfo
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- WO2019047766A1 WO2019047766A1 PCT/CN2018/103267 CN2018103267W WO2019047766A1 WO 2019047766 A1 WO2019047766 A1 WO 2019047766A1 CN 2018103267 W CN2018103267 W CN 2018103267W WO 2019047766 A1 WO2019047766 A1 WO 2019047766A1
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- timing advance
- subcarrier spacing
- time
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- quantization unit
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
Definitions
- the same 15 kHz subcarrier spacing is used in all downlink and uplink control channels, data channels, and reference signals.
- the preamble format of each of the PRACHs supports only one SCS (subcarrier spacing), for example, the subcarrier spacing supported by the preamble sequence formats 0 to 3.
- the preamble sequence format 4 supports subcarrier spacing of 7.5 kHz.
- the UE In order to avoid mutual interference between UEs (User Equipments) transmitted on adjacent subframes or adjacent subcarriers, the UE needs to use the BS (Base Station) after completing the downlink synchronization.
- Time advance the time of uplink transmission in advance. The purpose of this is to ensure that the uplink transmission signals from different UEs in the cell are time aligned at the base station's receiver to achieve uplink synchronization to maintain uplink orthogonality.
- the BS receives the PRACH preamble of the UE, it will estimate the initial TA (Timing Advance) required by the UE from the access preamble.
- the BS transmits the TA to the UE in the RAR (Random Access Response) message.
- RAR Random Access Response
- the time length and CP window of the OFDM (Orthogonal Frequency Division Multiplexing) symbol of the PUSCH and/or the PUCCH become smaller.
- the requirement for time alignment of the uplink transmission signal at the receiver of the base station is also correspondingly increased, which will have an influence on the selection of the TA time quantization unit.
- the step of obtaining a quantized value of the timing advance corresponding to the tracking area according to the preamble includes:
- the acquiring, according to the subcarrier spacing configuration information of the uplink bandwidth part of the one or more component carriers included in the timing advance group, obtaining a time quantization unit of the timing advance corresponding to the timing advance group Steps include:
- the acquiring, according to the subcarrier spacing configuration information of the uplink bandwidth part of the one or more component carriers included in the timing advance group, obtaining a time quantization unit of the timing advance corresponding to the timing advance group Steps include:
- determining the target timing advance according to the quantized value of the timing advance and the subcarrier spacing configuration information, and performing the uplink timing adjustment includes:
- the step of acquiring a time quantization unit of the time advance amount corresponding to the time advance quantity group according to the maximum value of the subcarrier spacing includes:
- the transceiver is further configured to perform the process of transmitting the quantized value of the timing advance to the terminal.
- the processor is further configured to perform the following process:
- the processor is configured to perform the following process: determining a target timing advance according to the quantized value of the timing advance and the subcarrier spacing configuration information, and performing uplink timing adjustment.
- the transceiver is further configured to:
- Step 103 Obtain a quantized value of a timing advance corresponding to the tracking area according to the preamble.
- the method before the acquiring the time quantization unit of the time advance amount according to the subcarrier spacing configuration information, the method further includes:
- a timing advance group TAG corresponds to a time quantization unit of a timing advance; since an uplink bandwidth portion of a component carrier included in a timing advance group TAG includes multiple identicalities of PUSCH/PUCCH or Different subcarrier spacings are used. Therefore, in the specific embodiment of the present disclosure, the following two ways are used to determine the time quantization unit of the timing advance corresponding to each timing advance group.
- timing advance group TAG includes: an uplink carrier, a downlink carrier, and/or a Supplemental Uplink Carrier (SUL).
- SUL Supplemental Uplink Carrier
- all component carriers included in the timing advance group TAG include: an uplink carrier, a downlink carrier, and/or a supplementary uplink carrier (SUL).
- SUL supplementary uplink carrier
- a time quantization unit that determines a timing advance corresponding to a maximum value of the selected subcarrier spacing is a time quantization unit of the timing advance of the TAG. as shown in Table 3:
- the step of acquiring, according to the maximum value of the subcarrier spacing, a time quantization unit of the timing advance corresponding to the timing advance group includes: pre-forming the subcarrier In the correspondence between the subcarrier spacing in the interval configuration information and the time quantization unit of the timing advance, the time quantization unit N of the timing advance corresponding to the maximum value S of the subcarrier spacing is searched for.
- the time quantization unit of the NR timing advance should be: 4*64T s ; when the subcarrier spacing of the PUCCH and/or PUSCH is 120 kHz
- the time quantization unit of the NR timing advancement shall be: 2*64T s ; when the subcarrier spacing of the PUCCH and/or PUSCH is 240 kHz, the time quantization unit of the NR timing advance shall be: 64T s ; when PUCCH and/or PUSCH
- the subcarrier spacing is 480 kHz, and the time quantization unit of the NR timing advance should be: 0.5*64T s ;
- the base station obtains the target conversion value M corresponding to the reference time advance amount T, and the time quantization unit N of the time advance amount corresponding to the maximum value S of the subcarrier interval, according to the target conversion value M and the time advance amount.
- the time quantization unit of the NR timing advance is: 16*64T s
- the quantized value K of the time advance amount transmitted by the obtained base station to the terminal is 192.
- the time quantization unit of the NR timing advance is: 8*64T s
- the quantized value K of the time advance amount transmitted by the obtained base station to the terminal is 384.
- bit values of the time advance amounts corresponding to the subcarrier spacings in the embodiments of the present disclosure are the same, and are preset bit values, where the pre Let the bit value be 11 bits, and the process of determining the bit value of the timing advance is 11 bits.
- the maximum cell radius supported by the time advance is 159811.25 meters, which can be approximated to 159.8 km, and further equal to about 160 km.
- the above is a time quantization unit N and a preset bit value according to the maximum value S of the subcarrier spacing, the maximum value S of the subcarrier spacing, and the preset bit value, and determining the maximum cell radius supported by the timing advance of the preset bit value. process.
- the maximum cell radius supported by the timing advance is related to the maximum value S of the subcarrier spacing, the time quantization unit N of the timing advance, and the preset bit value.
- the terminal After receiving the random access response message carrying the quantized value of the timing advance amount, the terminal extracts the quantized value of the timing advance amount in the random access response message, and after obtaining the quantized value of the time advance amount, the terminal according to the pre- The received subcarrier spacing configuration information, and the acquired quantized value of the timing advance amount are calculated, the target timing advance amount is determined, and the uplink timing adjustment is performed according to the target timing advance amount, so as to effectively implement the indication of the uplink timing advance amount.
- Step 201 Receive subcarrier spacing configuration information of a physical uplink shared channel PUSCH and/or a physical uplink control channel PUCCH sent by the base station.
- the terminal After receiving the subcarrier spacing configuration information sent by the base station, the terminal feeds back the preamble to the base station according to the subcarrier spacing configuration information, where the terminal feeds back the preamble according to the received subcarrier spacing configuration information to the base station.
- the preamble of the physical random access channel PRACH is fed back.
- the base station is caused to obtain a quantized value of the timing advance corresponding to the tracking area according to the received preamble. The process in which the base station obtains the quantized value of the timing advance according to the preamble is not elaborated here.
- the base station After acquiring the quantized value of the timing advance according to the preamble, the base station needs to send the quantized value of the acquired timing advance to the terminal.
- the quantized value K of the timing advance corresponding to the 15 kHz subcarrier interval transmitted by the base station to the terminal is 192; the time advance corresponding to the 30 kHz subcarrier interval is The quantized value K of the quantity is 384; the quantized value K of the time advance amount corresponding to the 60 kHz subcarrier interval is 768; the quantized value K of the time advance amount corresponding to the 120 kHz subcarrier interval is 1536; the time advance amount corresponding to the 240 kHz subcarrier interval The quantized value K is 3072; the quantized value K of the timing advance corresponding to the 240 kHz subcarrier interval is 6144.
- the uplink timing adjustment is performed according to the target timing advance to effectively implement the indication of the uplink timing advance.
- the method before the time-quantity unit N of the time advance amount is obtained, the method further includes:
- the step of acquiring the time quantization unit N of the timing advance according to the subcarrier spacing configuration information includes:
- a timing advance group TAG corresponds to a time quantization unit of a timing advance; since an uplink bandwidth portion of a component carrier included in a timing advance group TAG includes multiple identicalities of PUSCH/PUCCH or Different subcarrier spacings are used. Therefore, in the specific embodiment of the present disclosure, the following two ways are used to determine the time quantization unit of the timing advance corresponding to each timing advance group.
- timing advance group TAG includes: an uplink carrier, a downlink carrier, and/or a supplementary uplink carrier (SUL).
- SUL supplementary uplink carrier
- the product of the time quantization unit N of the timing advance amount and the quantization value K of the timing advance amount is calculated, and the obtained product is determined to be the target timing advance amount F.
- the subcarrier spacing corresponds to a time quantization unit N of a timing advance, and the subcarrier spacing corresponds to a quantized value K of a timing advance.
- the terminal receives the subcarrier spacing configuration information sent by the base station, and after receiving the subcarrier spacing configuration information, feeds back the preamble to the base station, and the base station obtains the preamble according to the obtained preamble.
- processor 300 is further configured to perform the following process:
- processor 300 is further configured to perform the following process:
- processor 300 is further configured to perform the following process:
- the transceiver 320 is further configured to perform the following processes:
- a random access response message carrying the quantized value of the timing advance is transmitted to the terminal.
- the second sending module 44 is configured to send the quantized value of the timing advance to the terminal.
- the second obtaining unit 4322 is configured to obtain the quantized value of the time advance amount according to the reference time advance amount and the time quantization unit of the time advance amount.
- a configuration module configured to configure one or more timing advance groups for the terminal; wherein each of the timing advance groups includes one or more component carriers configured for the terminal.
- the second obtaining unit 4322 includes:
- a random access response message carrying the quantized value of the timing advance is transmitted to the terminal.
- the uplink time advance indication can be effectively implemented under the condition that the signaling overhead is unchanged, and the random access mechanism of the 5G NR can adjust the quantization unit of the time advance according to the uplink carrier interval to implement uplink orthogonality. Sex, while the method supports the maximum cell radius supported by all current NR preamble sequences.
- the transceiver 520 is further configured to:
- the embodiment of the present disclosure further provides a computer readable storage medium, where the computer readable storage medium stores a computer program, and when the computer program is executed by the processor, implements each process in the foregoing method of time advance indication method. And can achieve the same technical effect, in order to avoid duplication, no longer repeat here.
- the computer readable storage medium may be a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.
- the embodiment of the present disclosure further provides a timing advance indication device, which is applied to a terminal, and the device includes:
- the second receiving module 61 is configured to receive subcarrier spacing configuration information of a physical uplink shared channel PUSCH and/or a physical uplink control channel PUCCH sent by the base station;
- the third receiving module 63 is configured to receive a quantized value of a timing advance corresponding to the tracking area obtained by the base station according to the preamble;
- the processing module 64 is configured to determine a target timing advance according to the quantized value of the timing advance and the subcarrier spacing configuration information, and perform uplink timing adjustment.
- the third receiving module 63 is further configured to:
- the first determining submodule 641 is further configured to:
- each of the timing advance groups includes: one or more component carriers configured for the terminal;
- the first determining submodule 641 is further configured to:
- the first determining submodule 641 is further configured to:
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Abstract
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Claims (42)
- 一种时间提前量指示方法,应用于基站,包括:向终端发送物理上行共享信道PUSCH和/或物理上行链路控制信道PUCCH的子载波间隔配置信息;接收所述终端根据所述子载波间隔配置信息反馈的前导码;根据所述前导码,获得跟踪区域对应的时间提前量的量化值;将所述时间提前量的量化值发送至所述终端。
- 根据权利要求1所述的时间提前量指示方法,其中,根据所述前导码,获得跟踪区域对应的时间提前量的量化值的步骤,包括:根据所述终端发送的物理随机接入信道PRACH的所述前导码估算跟踪区域对应的参考时间提前量;根据所述参考时间提前量和所述子载波间隔配置信息,获得所述时间提前量的量化值。
- 根据权利要求2所述的时间提前量指示方法,其中,根据所述参考时间提前量和所述子载波间隔配置信息,获得所述时间提前量的量化值的步骤,包括:根据所述子载波间隔配置信息,获取时间提前量的时间量化单位;根据所述参考时间提前量和所述时间提前量的时间量化单位,获得所述时间提前量的量化值。
- 根据权利要求3所述的时间提前量指示方法,其中,所述根据所述子载波间隔配置信息,获取时间提前量的时间量化单位之前,所述方法还包括:为终端配置一个或多个时间提前量组;其中,每个所述时间提前量组包括:为终端配置的一个或多个分量载波;所述根据所述子载波间隔配置信息,获取时间提前量的时间量化单位的步骤,包括:根据所述时间提前量组包含的一个或多个分量载波的上行链路带宽部分的子载波间隔配置信息,获取所述时间提前量组对应的时间提前量的时间量化单位。
- 根据权利要求4所述的时间提前量指示方法,其中,所述根据所述时间提前量组包含的一个或多个分量载波的上行链路带宽部分的子载波间隔配置信息,获取所述时间提前量组对应的时间提前量的时间量化单位的步骤,包括:根据所述时间提前量组包含的一个或多个分量载波的上行链路带宽部分的子载波间隔配置信息,获取所述时间提前量组包含的所有分量载波的所有上行链路带宽部分的所有PUSCH和/或PUCCH的子载波间隔的最大值;根据所述子载波间隔的最大值,获取所述时间提前量组对应的时间提前量的时间量化单位。
- 根据权利要求4所述的时间提前量指示方法,其中,所述根据所述时间提前量组包含的一个或多个分量载波的上行链路带宽部分的子载波间隔配置信息,获取所述时间提前量组对应的时间提前量的时间量化单位的步骤,包括:根据所述时间提前量组包含的一个或多个分量载波的上行链路带宽部分的子载波间隔配置信息,获取所述时间提前量组包含的所有分量载波的所有激活的上行链路带宽部分的所有PUSCH和/或PUCCH的子载波间隔的最大值;根据所述子载波间隔的最大值,获取所述时间提前量组对应的时间提前量的时间量化单位。
- 根据权利要求5或6所述的时间提前量指示方法,其中,根据所述子载波间隔的最大值,获取所述时间提前量组对应的时间提前量的时间量化单位的步骤,包括:在预先形成的所述子载波间隔配置信息中的子载波间隔与所述时间提前量的时间量化单位的对应关系中,查找与所述子载波间隔的最大值S对应的所述时间提前量的时间量化单位N。
- 根据权利要求3所述的时间提前量指示方法,其中,根据所述参考时间提前量和所述时间提前量的时间量化单位,获得所述时间提前量的量化值的步骤,包括:根据所述参考时间提前量T与采样间隔之比,确定目标转化值M;根据所述目标转化值M和所述时间提前量的时间量化单位N,确定时间提前量的量化值K。
- 根据权利要求8所述的时间提前量指示方法,其中,根据所述目标转化值M和所述时间提前量的时间量化单位N,确定时间提前量的量化值K的步骤,包括:采用第一预设公式K=M/N进行计算,获取所述时间提前量的量化值K。
- 根据权利要求1所述的时间提前量指示方法,其中,将所述时间提前量的量化值发送至所述终端的步骤,包括:将携带有所述时间提前量的量化值的随机接入响应消息发送至所述终端。
- 一种时间提前量指示方法,应用于终端,包括:接收基站发送的物理上行共享信道PUSCH和/或物理上行链路控制信道PUCCH的子载波间隔配置信息;根据所述子载波间隔配置信息向所述基站反馈前导码;接收所述基站发送的根据所述前导码获得的跟踪区域对应的时间提前量的量化值;根据所述时间提前量的量化值和所述子载波间隔配置信息,确定目标时间提前量,进行上行链路定时调整。
- 根据权利要求11所述的时间提前量指示方法,其中,根据所述子载波间隔配置信息向所述基站反馈前导码的步骤,包括:根据接收到的所述子载波间隔配置信息,向所述基站反馈物理随机接入信道PRACH的所述前导码。
- 根据权利要求11所述的时间提前量指示方法,其中,接收所述基站发送的根据所述前导码获得的跟踪区域对应的时间提前量的量化值的步骤,包括:接收所述基站发送的携带有所述时间提前量的量化值的随机接入响应消息,获取所述时间提前量的量化值。
- 根据权利要求11所述的时间提前量指示方法,其中,根据所述时间提前量的量化值和所述子载波间隔配置信息,确定目标时间提前量,进行上行链路定时调整的步骤包括:根据所述子载波间隔配置信息,获取时间提前量的时间量化单位N;根据所述时间提前量的时间量化单位N和所述时间提前量的量化值K,确定所述目标时间提前量F;根据所述目标时间提前量F进行上行链路定时调整。
- 根据权利要求14所述的时间提前量指示方法,其中,所述根据所述子载波间隔配置信息,获取时间提前量的时间量化单位N之前,所述方法还包括:确定基站为终端配置的一个或多个时间提前量组;其中,每个所述时间提前量组包括:为终端配置的一个或多个分量载波;所述根据所述子载波间隔配置信息,获取时间提前量的时间量化单位N的步骤,包括:根据所述时间提前量组包含的一个或多个分量载波的上行链路带宽部分的子载波间隔配置信息,获取所述时间提前量组对应的时间提前量的时间量化单位N。
- 根据权利要求15所述的时间提前量指示方法,其中,所述根据所述时间提前量组包含的一个或多个分量载波的上行链路带宽部分的子载波间隔配置信息,获取所述时间提前量组对应的时间提前量的时间量化单位N的步骤,包括:根据所述时间提前量组包含的一个或多个分量载波的上行链路带宽部分的子载波间隔配置信息,获取所述时间提前量组包含的所有分量载波的所有上行链路带宽部分的所有PUSCH和/或PUCCH的子载波间隔的最大值;根据所述子载波间隔的最大值,获取所述时间提前量组对应的时间提前量的时间量化单位N。
- 根据权利要求15所述的时间提前量指示方法,其中,所述根据所述时间提前量组包含的一个或多个分量载波的上行链路带宽部分的子载波间隔配置信息,获取所述时间提前量组对应的时间提前量的时间量化单位N的步骤,包括:根据所述时间提前量组包含的一个或多个分量载波的上行链路带宽部分的子载波间隔配置信息,获取所述时间提前量组包含的所有分量载波的所有 激活的上行链路带宽部分的所有PUSCH和/或PUCCH的子载波间隔的最大值;根据所述子载波间隔的最大值,获取所述时间提前量组对应的时间提前量的时间量化单位。
- 根据权利要求16或17所述的时间提前量指示方法,其中,所述根据所述子载波间隔的最大值,获取所述时间提前量组对应的时间提前量的时间量化单位的步骤,包括:在预先形成的所述子载波间隔配置信息中的子载波间隔与所述时间提前量的时间量化单位的对应关系中,查找与所述子载波间隔的最大值S对应的所述时间提前量的时间量化单位N。
- 根据权利要求14所述的时间提前量指示方法,其中,根据所述时间提前量的时间量化单位N和所述时间提前量的量化值K,确定所述目标时间提前量F的步骤,包括:采用第二预设公式F=N*K进行计算,获取所述目标时间提前量F。
- 一种基站,包括:收发机、存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序;其中,所述处理器用于读取存储器中的程序,所述收发机用于执行下列过程:向终端发送物理上行共享信道PUSCH和/或物理上行链路控制信道PUCCH的子载波间隔配置信息;接收所述终端根据所述子载波间隔配置信息反馈的前导码;所述处理器用于执行下列过程:根据所述前导码,获得跟踪区域对应的时间提前量的量化值;所述收发机还用于执行下列过程:将所述时间提前量的量化值发送至所述终端。
- 根据权利要求20所述的基站,其中,所述处理器还用于执行下列过程:根据所述终端发送的物理随机接入信道PRACH的所述前导码估算跟踪区域对应的参考时间提前量;根据所述参考时间提前量和所述子载波间隔配置信息,获得所述时间提 前量的量化值。
- 根据权利要求21所述的基站,其中,所述处理器还用于执行下列过程:根据所述子载波间隔配置信息,获取时间提前量的时间量化单位;根据所述参考时间提前量和所述时间提前量的时间量化单位,获得所述时间提前量的量化值。
- 根据权利要求22所述的基站,其中,所述处理器还用于执行下列过程:为终端配置一个或多个时间提前量组;其中,每个所述时间提前量组包括:为终端配置的一个或多个分量载波;根据所述时间提前量组包含的一个或多个分量载波的上行链路带宽部分的子载波间隔配置信息,获取所述时间提前量组对应的时间提前量的时间量化单位。
- 根据权利要求23所述的基站,其中,所述处理器还用于执行下列过程:根据所述时间提前量组包含的一个或多个分量载波的上行链路带宽部分的子载波间隔配置信息,获取所述时间提前量组包含的所有分量载波的所有上行链路带宽部分的所有PUSCH和/或PUCCH的子载波间隔的最大值;根据所述子载波间隔的最大值,获取所述时间提前量组对应的时间提前量的时间量化单位。
- 根据权利要求23所述的基站,其中,所述处理器还用于执行下列过程:根据所述时间提前量组包含的一个或多个分量载波的上行链路带宽部分的子载波间隔配置信息,获取所述时间提前量组包含的所有分量载波的所有激活的上行链路带宽部分的所有PUSCH和/或PUCCH的子载波间隔的最大值;根据所述子载波间隔的最大值,获取所述时间提前量组对应的时间提前量的时间量化单位。
- 根据权利要求24或25所述的基站,其中,所述处理器还用于执行 下列过程:在预先形成的所述子载波间隔配置信息中的子载波间隔与所述时间提前量的时间量化单位的对应关系中,查找与所述子载波间隔的最大值S对应的所述时间提前量的时间量化单位N。
- 根据权利要求22所述的基站,其中,所述处理器还用于执行下列过程:根据所述参考时间提前量T与采样间隔之比,确定目标转化值M;根据所述目标转化值M和所述时间提前量的时间量化单位N,确定时间提前量的量化值K。
- 根据权利要求27所述的基站,其中,所述处理器还用于执行下列过程:采用第一预设公式K=M/N进行计算,获取所述时间提前量的量化值K。
- 根据权利要求20所述的基站,其中,所述收发机还用于执行下列过程:将携带有所述时间提前量的量化值的随机接入响应消息发送至所述终端。
- 一种计算机可读存储介质,其中,所述计算机可读存储介质上存储有程序,所述程序被处理器执行时实现如权利要求1至10中任一项所述的时间提前量指示方法的步骤。
- 一种时间提前量指示装置,应用于基站,包括:第一发送模块,用于向终端发送物理上行共享信道PUSCH和/或物理上行链路控制信道PUCCH的子载波间隔配置信息;第一接收模块,用于接收所述终端根据所述子载波间隔配置信息反馈的前导码;获取模块,用于根据所述前导码,获得跟踪区域对应的时间提前量的量化值;第二发送模块,用于将所述时间提前量的量化值发送至所述终端。
- 一种终端,包括:收发机、存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序;其中,所述处理器用于读取存储器中的程序,所述收发机用于执行下列过程:接收基站发送的物理上行共享信道PUSCH和/或物理上行链路控制信道PUCCH的子载波间隔配置信息;根据所述子载波间隔配置信息向所述基站反馈前导码;接收所述基站发送的根据所述前导码获得的跟踪区域对应的时间提前量的量化值;所述处理器用于执行下列过程:根据所述时间提前量的量化值和所述子载波间隔配置信息,确定目标时间提前量,进行上行链路定时调整。
- 根据权利要求32所述的终端,其中,所述收发机还用于:根据接收到的所述子载波间隔配置信息,向所述基站反馈物理随机接入信道PRACH的所述前导码。
- 根据权利要求32所述的终端,其中,所述收发机还用于:接收所述基站发送的携带有所述时间提前量的量化值的随机接入响应消息,获取所述时间提前量的量化值。
- 根据权利要求32所述的终端,其中,所述处理器还用于执行下列过程:根据所述子载波间隔配置信息,获取时间提前量的时间量化单位N;根据所述时间提前量的时间量化单位N和所述时间提前量的量化值K,确定所述目标时间提前量F;根据所述目标时间提前量F进行上行链路定时调整。
- 根据权利要求35所述的终端,其中,所述处理器还用于执行下列过程:确定基站为终端配置的一个或多个时间提前量组;其中,每个所述时间提前量组包括:为终端配置的一个或多个分量载波;根据所述时间提前量组包含的一个或多个分量载波的上行链路带宽部分的子载波间隔配置信息,获取所述时间提前量组对应的时间提前量的时间量化单位N。
- 根据权利要求36所述的终端,其中,所述处理器还用于执行下列过程:根据所述时间提前量组包含的一个或多个分量载波的上行链路带宽部分 的子载波间隔配置信息,获取所述时间提前量组包含的所有分量载波的所有上行链路带宽部分的所有PUSCH和/或PUCCH的子载波间隔的最大值;根据所述子载波间隔的最大值,获取所述时间提前量组对应的时间提前量的时间量化单位N。
- 根据权利要求36所述的终端,其中,所述处理器还用于执行下列过程:根据所述时间提前量组包含的一个或多个分量载波的上行链路带宽部分的子载波间隔配置信息,获取所述时间提前量组包含的所有分量载波的所有激活的上行链路带宽部分的所有PUSCH和/或PUCCH的子载波间隔的最大值;根据所述子载波间隔的最大值,获取所述时间提前量组对应的时间提前量的时间量化单位。
- 根据权利要求37或38所述的终端,其中,所述处理器还用于执行下列过程:在预先形成的所述子载波间隔配置信息中的子载波间隔与所述时间提前量的时间量化单位的对应关系中,查找与所述子载波间隔的最大值S对应的所述时间提前量的时间量化单位N。
- 根据权利要求35所述的终端,其中,所述处理器还用于执行下列过程:采用第二预设公式F=N*K进行计算,获取所述目标时间提前量F。
- 一种计算机可读存储介质,其中,所述计算机可读存储介质上存储有程序,所述程序被处理器执行时实现如权利要求11至19中任一项所述的时间提前量指示方法的步骤。
- 一种时间提前量指示装置,应用于终端,包括:第二接收模块,用于接收基站发送的物理上行共享信道PUSCH和/或物理上行链路控制信道PUCCH的子载波间隔配置信息;反馈模块,用于根据所述子载波间隔配置信息向所述基站反馈前导码;第三接收模块,用于接收所述基站发送的根据所述前导码获得的跟踪区域对应的时间提前量的量化值;处理模块,用于根据所述时间提前量的量化值和所述子载波间隔配置信息,确定目标时间提前量,进行上行链路定时调整。
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