CN114745785A - Carrier determination method and apparatus, user equipment, network equipment and storage medium - Google Patents
Carrier determination method and apparatus, user equipment, network equipment and storage medium Download PDFInfo
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Abstract
Description
技术领域technical field
本发明涉及通信技术领域,特别涉及一种载波确定方法及装置、一种用户设备、一种系统信息广播方法及装置、一种网络设备以及一种存储介质。The present invention relates to the field of communication technologies, and in particular, to a method and device for determining a carrier, a user equipment, a method and device for broadcasting system information, a network device, and a storage medium.
背景技术Background technique
目前的陆地网物联网协议例如窄带物联网NB-IoT或者eMTC的随机接入过程如图1所示,由Msg1、Msg2、Msg3以及Msg4四个步骤组成。Msg1即用户设备UE向网络设备发送随机接入前导码,目前Msg1发送的重复次数最大为128,UE在发送Msg1之前会通过窄带参考信号NRS获取当前的小区信号质量例如RSRP(Reference Signal Receiving Power,参考信号接收功率),然后根据测量得到的信号质量与网络配置的相关门限值进行比较,进而确定当前的覆盖等级。不同的覆盖等级对应不同的PRACH(Physical Random Access Channel,物理随机接入信道)资源(包括Msg1重复次数),UE根据自己确定的覆盖等级确定发送Msg1的重复次数,并随机确定一个配置了相应PRACH资源的上行载波发送Msg1。若第一次发送Msg1失败,则UE会再升级覆盖等级(即增加Msg1的重复次数)重新尝试,直到成功接收Msg2或者尝试完覆盖等级对应的Msg1重复次数为止。The random access process of the current terrestrial Internet of Things protocol such as narrowband Internet of Things NB-IoT or eMTC is shown in Figure 1, which consists of four steps: Msg1, Msg2, Msg3 and Msg4. Msg1 is the random access preamble sent by the user equipment UE to the network device. Currently, the maximum number of repetitions sent by Msg1 is 128. Before sending Msg1, the UE will obtain the current cell signal quality through the narrowband reference signal NRS, such as RSRP (Reference Signal Receiving Power, Reference signal received power), and then compare the measured signal quality with the relevant threshold value configured by the network, and then determine the current coverage level. Different coverage levels correspond to different PRACH (Physical Random Access Channel, physical random access channel) resources (including the number of Msg1 repetitions). The uplink carrier of the resource sends Msg1. If the first transmission of Msg1 fails, the UE will upgrade the coverage level (ie increase the number of repetitions of Msg1) and try again until the Msg2 is successfully received or the number of repetitions of Msg1 corresponding to the coverage level is completed.
当网络设备接收到Msg1后,通过随机接入响应消息Msg2-RAR指示UE发送Msg3的资源以及相关的参数(包括子载波指示、Msg3重复次数、MCS(Modulation and CodingScheme,调制与编码策略)指示等)。随机接入响应消息Msg2-RAR是由DCI(DownlinkControl Information,下行控制信息)调度的,UE首先接收下行控制信息(即RA-RNTI加扰的DCI,用于指示Msg2-RAR的传输参数,包括接收资源位置、子载波指示、Msg3重复次数、MCS指示等),然后再根据下行控制信息接收Msg2-RAR。After receiving Msg1, the network device instructs the UE to send Msg3 resources and related parameters (including subcarrier indication, Msg3 repetition times, MCS (Modulation and CodingScheme, modulation and coding strategy) indication through the random access response message Msg2-RAR, etc. ). The random access response message Msg2-RAR is scheduled by DCI (Downlink Control Information, downlink control information), and the UE first receives the downlink control information (that is, the DCI scrambled by RA-RNTI, which is used to indicate the transmission parameters of Msg2-RAR, including receiving resource location, subcarrier indication, Msg3 repetition times, MCS indication, etc.), and then receive the Msg2-RAR according to the downlink control information.
UE根据Msg2-RAR指示的Msg3的相关调度信息发送Msg3,UE发送完Msg3之后,使用Msg3中携带的唯一标识监听PDCCH,成功解码PDCCH后,根据PDCCH承载的DCI信息接收相应的Msg4。The UE sends the Msg3 according to the related scheduling information of the Msg3 indicated by the Msg2-RAR. After the UE sends the Msg3, it uses the unique identifier carried in the Msg3 to monitor the PDCCH. After successfully decoding the PDCCH, it receives the corresponding Msg4 according to the DCI information carried by the PDCCH.
在目前的陆地网物联网协议中,发送Msg1的载波确定机制为:UE在所驻留小区配置的多个配置了PRACH资源的上行载波中随机确定一个上行载波用于发送Msg1。但是在NTN(Non Terrestrial Networks,非陆地网络)场景下,一个小区由多个波束beam组成,不同的波束对应不同的上行载波组。随着卫星的快速移动,UE需要频繁地进行波束切换,上述现有的发送Msg1的载波确定机制显然已经无法适应卫星物联网场景。In the current terrestrial Internet of Things protocol, the carrier determination mechanism for sending the Msg1 is as follows: the UE randomly determines an uplink carrier for sending the Msg1 among multiple uplink carriers configured with PRACH resources configured in the cell where it resides. However, in an NTN (Non Terrestrial Networks, non-terrestrial network) scenario, a cell consists of multiple beam beams, and different beams correspond to different uplink carrier groups. With the rapid movement of the satellite, the UE needs to perform beam switching frequently, and the above-mentioned existing carrier determination mechanism for sending Msg1 is obviously unable to adapt to the satellite Internet of Things scenario.
另外,在现有确定接收寻呼Paging载波的协议中,网络设备通过系统信息下发有关Paging的配置信息,包括Paging的周期、PO(Paging Occasion,寻呼时刻)对应的PDCCH重复次数、N以及Ns(其中,每个非连续接收DRX周期内包含N个寻呼帧PF,每个PF内包含Ns个PO)等参数,同时也会配置每个Paging载波的Paging权重。这些参数是小区级别的,即小区内所有载波的Paging参数配置都是一样的。UE在Idle态的时候,根据UE_ID、参数N、参数Ns以及每个Paging载波的Paging权重可以确定在所驻留的小区的哪个载波上进行Paging的监听。In addition, in the existing protocol for determining a carrier for receiving paging paging, the network device delivers configuration information related to paging through system information, including the paging period, the PDCCH repetition times corresponding to PO (Paging Occasion, paging moment), N and Ns (wherein each discontinuous reception DRX cycle includes N paging frames PF, and each PF includes Ns POs) and other parameters, and the Paging weight of each Paging carrier is also configured. These parameters are at the cell level, that is, the Paging parameter configurations of all carriers in the cell are the same. When the UE is in the Idle state, according to the UE_ID, the parameter N, the parameter Ns and the Paging weight of each Paging carrier, it can be determined on which carrier of the cell where it is camped to perform Paging monitoring.
同样地,在卫星物联网场景中,随着卫星的快速移动,UE需要频繁地进行波束切换,上述现有的确定接收Paging载波的协议显然也已经无法适应卫星物联网场景。Similarly, in the satellite IoT scenario, with the rapid movement of the satellite, the UE needs to perform beam switching frequently, and the above-mentioned existing protocol for determining the received Paging carrier is obviously not suitable for the satellite IoT scenario.
发明内容SUMMARY OF THE INVENTION
本发明要解决的技术问题是为了克服现有的陆地网物联网协议无法适应卫星物联网场景的缺陷,提供一种载波确定方法及装置、一种用户设备、一种系统信息广播方法及装置、一种网络设备以及一种存储介质。The technical problem to be solved by the present invention is to provide a carrier determination method and device, a user equipment, a system information broadcasting method and device, in order to overcome the defect that the existing land network IoT protocol cannot adapt to the satellite IoT scenario, A network device and a storage medium.
本发明是通过下述技术方案来解决上述技术问题:The present invention solves the above-mentioned technical problems through the following technical solutions:
本发明的第一方面提供一种载波确定方法,包括以下步骤:A first aspect of the present invention provides a carrier determination method, comprising the following steps:
接收网络设备广播的系统信息,其中,所述系统信息包括用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波的索引配置信息,以及与发送窄带参考信号的下行载波所关联的载波的索引配置信息;Receive system information broadcast by the network device, where the system information includes index configuration information of the downlink carrier that transmits the narrowband reference signal corresponding to each beam in the cell where the user equipment is located, and the information associated with the downlink carrier that transmits the narrowband reference signal. Carrier index configuration information;
根据发送窄带参考信号的下行载波的信号质量确定目标下行载波;Determine the target downlink carrier according to the signal quality of the downlink carrier that transmits the narrowband reference signal;
根据与所述目标下行载波所关联的载波确定用于传输目标消息的载波。The carrier used for transmitting the target message is determined according to the carrier associated with the target downlink carrier.
可选地,所述系统信息还包括信号质量的参考阈值;所述根据发送窄带参考信号的下行载波的信号质量确定目标下行载波,具体包括:Optionally, the system information further includes a reference threshold of signal quality; the determining of the target downlink carrier according to the signal quality of the downlink carrier that sends the narrowband reference signal specifically includes:
若发送窄带参考信号的下行载波的信号质量大于所述参考阈值,则将所述下行载波作为目标下行载波。If the signal quality of the downlink carrier that sends the narrowband reference signal is greater than the reference threshold, the downlink carrier is used as the target downlink carrier.
可选地,若存在多个信号质量大于所述参考阈值的发送窄带参考信号的下行载波,则在多个下行载波中确定信号质量最好的下行载波作为目标下行载波。Optionally, if there are multiple downlink carriers that transmit narrowband reference signals with signal quality greater than the reference threshold, the downlink carrier with the best signal quality among the multiple downlink carriers is determined as the target downlink carrier.
可选地,与发送窄带参考信号的下行载波所关联的载波均为配置了物理随机接入信道资源的上行载波,所述目标消息为随机接入消息;Optionally, the carriers associated with the downlink carrier for sending the narrowband reference signal are all uplink carriers configured with physical random access channel resources, and the target message is a random access message;
所述根据与所述目标下行载波关联的载波确定用于传输目标消息的载波,具体包括:The determining the carrier used for transmitting the target message according to the carrier associated with the target downlink carrier specifically includes:
在与所述目标下行载波关联的配置了物理随机接入信道资源的上行载波中随机确定用于发送随机接入消息的上行载波。The uplink carrier used for sending the random access message is randomly determined among the uplink carriers configured with physical random access channel resources associated with the target downlink carrier.
可选地,所述随机接入消息包括随机接入前导码Msg1。Optionally, the random access message includes a random access preamble Msg1.
可选地,与发送窄带参考信号的下行载波所关联的载波均为下行寻呼载波,所述目标消息为寻呼消息,所述系统信息还包括所述用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波所关联的下行寻呼载波的寻呼权重,以及与每个波束对应的寻呼参数等配置信息;Optionally, the carriers associated with the downlink carriers that transmit the narrowband reference signals are all downlink paging carriers, the target message is a paging message, and the system information further includes the cell corresponding to each beam in the user equipment. The paging weight of the downlink paging carrier associated with the downlink carrier that transmits the narrowband reference signal, and configuration information such as paging parameters corresponding to each beam;
所述根据与所述目标下行载波关联的载波确定用于传输目标消息的载波,具体包括:The determining the carrier used for transmitting the target message according to the carrier associated with the target downlink carrier specifically includes:
根据所述用户设备的标识信息、与目标波束对应的寻呼参数以及与所述目标下行载波所关联的下行寻呼载波的寻呼权重,在与所述目标下行载波所关联的下行寻呼载波中确定用于接收寻呼消息的下行寻呼载波;According to the identification information of the user equipment, the paging parameters corresponding to the target beam, and the paging weight of the downlink paging carrier associated with the target downlink carrier, the downlink paging carrier associated with the target downlink carrier determine the downlink paging carrier used for receiving paging messages;
其中,所述目标波束为与所述目标下行载波对应的波束。The target beam is a beam corresponding to the target downlink carrier.
可选地,与发送窄带参考信号的下行载波所关联的载波均为下行寻呼载波,所述目标消息为寻呼消息,所述系统信息还包括所述用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波的寻呼权重、与发送窄带参考信号的下行载波所关联的下行寻呼载波的寻呼权重以及与每个波束对应的寻呼参数等配置信息;Optionally, the carriers associated with the downlink carriers that transmit the narrowband reference signals are all downlink paging carriers, the target message is a paging message, and the system information further includes the cell corresponding to each beam in the user equipment. Configuration information such as the paging weight of the downlink carrier that sends the narrowband reference signal, the paging weight of the downlink paging carrier associated with the downlink carrier that sends the narrowband reference signal, and the paging parameters corresponding to each beam;
所述根据与所述目标下行载波所关联的载波确定用于传输目标消息的载波,具体包括:The determining the carrier used for transmitting the target message according to the carrier associated with the target downlink carrier specifically includes:
根据所述用户设备的标识信息、与目标波束对应的寻呼参数、所述目标下行载波的寻呼权重以及与所述目标下行载波所关联的下行寻呼载波的寻呼权重,在所述目标下行载波以及与所述目标下行载波所关联的下行寻呼载波中确定用于接收寻呼消息的下行寻呼载波;According to the identification information of the user equipment, the paging parameters corresponding to the target beam, the paging weight of the target downlink carrier and the paging weight of the downlink paging carrier associated with the target downlink carrier, the target Determine the downlink paging carrier used for receiving the paging message from the downlink carrier and the downlink paging carrier associated with the target downlink carrier;
其中,所述目标波束为与所述目标下行载波对应的波束。The target beam is a beam corresponding to the target downlink carrier.
可选地,所述寻呼参数包括每个DRX周期内寻呼帧的数量及每个寻呼帧内寻呼时机的数量。Optionally, the paging parameters include the number of paging frames in each DRX cycle and the number of paging occasions in each paging frame.
本发明的第二方面提供一种载波确定装置,包括:A second aspect of the present invention provides a carrier determination device, comprising:
系统信息接收模块,用于接收网络设备广播的系统信息,其中,所述系统信息包括用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波的索引配置信息,以及与发送窄带参考信号的下行载波所关联的载波的索引配置信息;A system information receiving module, configured to receive system information broadcast by network equipment, wherein the system information includes index configuration information of the downlink carrier corresponding to each beam in the cell where the user equipment is located for transmitting the narrowband reference signal, and the information related to the transmission of the narrowband reference signal. The index configuration information of the carrier associated with the downlink carrier of the signal;
第一载波确定模块,用于根据发送窄带参考信号的下行载波的信号质量确定目标下行载波;a first carrier determination module, configured to determine a target downlink carrier according to the signal quality of the downlink carrier that sends the narrowband reference signal;
第二载波确定模块,用于根据与所述目标下行载波关联的载波确定用于传输目标消息的载波。The second carrier determination module is configured to determine the carrier used for transmitting the target message according to the carrier associated with the target downlink carrier.
可选地,所述系统信息还包括信号质量的参考阈值;所述第一载波确定模块具体用于在发送窄带参考信号的下行载波的信号质量大于所述参考阈值的情况下,将所述下行载波作为目标下行载波。Optionally, the system information further includes a reference threshold of signal quality; the first carrier determination module is specifically configured to determine the The carrier is used as the target downlink carrier.
可选地,所述第一载波确定模块具体用于在存在多个信号质量大于所述参考阈值的发送窄带参考信号的下行载波的情况下,在多个下行载波中确定信号质量最好的下行载波作为目标下行载波。Optionally, the first carrier determination module is specifically configured to determine, among the multiple downlink carriers, the downlink carrier with the best signal quality in the presence of multiple downlink carriers whose signal quality is greater than the reference threshold. The carrier is used as the target downlink carrier.
可选地,与发送窄带参考信号的下行载波所关联的载波均为配置了物理随机接入信道资源的上行载波,所述目标消息为随机接入消息;Optionally, the carriers associated with the downlink carrier for sending the narrowband reference signal are all uplink carriers configured with physical random access channel resources, and the target message is a random access message;
所述第二载波确定模块具体用于在与所述目标下行载波所关联的配置了物理随机接入信道资源的上行载波中随机确定用于发送随机接入消息的上行载波。The second carrier determination module is specifically configured to randomly determine an uplink carrier for sending a random access message among uplink carriers associated with the target downlink carrier that are configured with physical random access channel resources.
可选地,与发送窄带参考信号的下行载波所关联的载波均为下行寻呼载波,所述目标消息为寻呼消息,所述系统信息还包括所述用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波所关联的下行寻呼载波的寻呼权重,以及与每个波束对应的寻呼参数等配置信息;Optionally, the carriers associated with the downlink carriers that transmit the narrowband reference signals are all downlink paging carriers, the target message is a paging message, and the system information further includes the cell corresponding to each beam in the user equipment. The paging weight of the downlink paging carrier associated with the downlink carrier that transmits the narrowband reference signal, and configuration information such as paging parameters corresponding to each beam;
所述第二载波确定模块具体用于根据所述用户设备的标识信息、与目标波束对应的寻呼参数以及与所述目标下行载波所关联的下行寻呼载波的寻呼权重,在与所述目标下行载波所关联的下行寻呼载波中确定用于接收寻呼消息的下行寻呼载波;The second carrier determination module is specifically configured to, according to the identification information of the user equipment, the paging parameters corresponding to the target beam and the paging weight of the downlink paging carrier associated with the target downlink carrier, Determine the downlink paging carrier used for receiving the paging message among the downlink paging carriers associated with the target downlink carrier;
其中,所述目标波束为与所述目标下行载波对应的波束。The target beam is a beam corresponding to the target downlink carrier.
可选地,与发送窄带参考信号的下行载波所关联的载波均为下行寻呼载波,所述目标消息为寻呼消息,所述系统信息还包括所述用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波的寻呼权重、与发送窄带参考信号的下行载波所关联的下行寻呼载波的寻呼权重以及与每个波束对应的寻呼参数等配置信息;Optionally, the carriers associated with the downlink carriers that transmit the narrowband reference signals are all downlink paging carriers, the target message is a paging message, and the system information further includes the cell corresponding to each beam in the user equipment. Configuration information such as the paging weight of the downlink carrier that sends the narrowband reference signal, the paging weight of the downlink paging carrier associated with the downlink carrier that sends the narrowband reference signal, and the paging parameters corresponding to each beam;
所述第二载波确定模块具体用于根据所述用户设备的标识信息、与目标波束对应的寻呼参数、所述目标下行载波的寻呼权重以及与所述目标下行载波所关联的下行寻呼载波的寻呼权重,在所述目标下行载波以及与所述目标下行载波所关联的下行寻呼载波中确定用于接收寻呼消息的下行寻呼载波;The second carrier determination module is specifically configured to, according to the identification information of the user equipment, the paging parameters corresponding to the target beam, the paging weight of the target downlink carrier, and the downlink paging associated with the target downlink carrier The paging weight of the carrier, the downlink paging carrier used for receiving the paging message is determined in the target downlink carrier and the downlink paging carrier associated with the target downlink carrier;
其中,所述目标波束为与所述目标下行载波对应的波束。The target beam is a beam corresponding to the target downlink carrier.
本发明的第三方面提供一种用户设备,包括:A third aspect of the present invention provides a user equipment, comprising:
至少一个处理器;at least one processor;
与所述至少一个处理器通信连接的存储器;以及a memory communicatively coupled to the at least one processor; and
收发器,用于与其它设备通信;Transceivers for communicating with other devices;
其中,所述存储器存储有可被所述至少一个处理器执行的指令,所述指令被所述至少一个处理器执行,以使所述至少一个处理器能够执行第一方面所述的载波确定方法。Wherein, the memory stores instructions executable by the at least one processor, the instructions are executed by the at least one processor, so that the at least one processor can execute the carrier determination method of the first aspect .
本发明的第四方面提供一种系统信息广播方法,包括以下步骤:A fourth aspect of the present invention provides a system information broadcasting method, comprising the following steps:
广播系统信息,其中,所述系统信息包括用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波的索引配置信息,以及与发送窄带参考信号的下行载波所关联的载波的索引配置信息;Broadcast system information, where the system information includes index configuration information of downlink carriers that transmit narrowband reference signals corresponding to each beam in the cell where the user equipment is located, and index configuration of carriers associated with the downlink carriers that transmit narrowband reference signals information;
其中,所述用户设备为第三方面所述的用户设备。Wherein, the user equipment is the user equipment described in the third aspect.
可选地,所述系统信息还包括信号质量的参考阈值。Optionally, the system information further includes a reference threshold of signal quality.
可选地,与发送窄带参考信号的下行载波所关联的载波均为配置了物理随机接入信道资源的上行载波。Optionally, the carriers associated with the downlink carrier for sending the narrowband reference signal are all uplink carriers configured with physical random access channel resources.
可选地,与发送窄带参考信号的下行载波所关联的载波均为下行寻呼载波,所述目标消息为寻呼消息,所述系统信息还包括所述用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波所关联的下行寻呼载波的寻呼权重,以及与每个波束对应的寻呼参数等配置信息。Optionally, the carriers associated with the downlink carriers that transmit the narrowband reference signals are all downlink paging carriers, the target message is a paging message, and the system information further includes the cell corresponding to each beam in the user equipment. The paging weight of the downlink paging carrier associated with the downlink carrier that transmits the narrowband reference signal, and configuration information such as paging parameters corresponding to each beam.
可选地,与发送窄带参考信号的下行载波所关联的载波均为下行寻呼载波,所述目标消息为寻呼消息,所述系统信息还包括所述用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波的寻呼权重、与发送窄带参考信号的下行载波所关联的下行寻呼载波的寻呼权重以及与每个波束对应的寻呼参数等配置信息。Optionally, the carriers associated with the downlink carriers that transmit the narrowband reference signals are all downlink paging carriers, the target message is a paging message, and the system information further includes the cell corresponding to each beam in the user equipment. configuration information such as the paging weight of the downlink carrier that transmits the narrowband reference signal, the paging weight of the downlink paging carrier associated with the downlink carrier that transmits the narrowband reference signal, and the paging parameters corresponding to each beam.
本发明的第五方面提供一种系统信息广播装置,所述系统信息广播装置用于广播系统信息,其中,所述系统信息包括用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波的索引配置信息,以及与发送窄带参考信号的下行载波所关联的载波的索引配置信息;A fifth aspect of the present invention provides a system information broadcasting apparatus, the system information broadcasting apparatus is used for broadcasting system information, wherein the system information includes downlink transmission of narrowband reference signals corresponding to each beam in the cell where the user equipment is located The index configuration information of the carrier, and the index configuration information of the carrier associated with the downlink carrier that transmits the narrowband reference signal;
其中,所述用户设备为第三方面所述的用户设备。Wherein, the user equipment is the user equipment described in the third aspect.
可选地,所述系统信息还包括信号质量的参考阈值。Optionally, the system information further includes a reference threshold of signal quality.
可选地,与发送窄带参考信号的下行载波所关联的载波均为配置了物理随机接入信道资源的上行载波。Optionally, the carriers associated with the downlink carrier for sending the narrowband reference signal are all uplink carriers configured with physical random access channel resources.
可选地,与发送窄带参考信号的下行载波所关联的载波均为下行寻呼载波,所述目标消息为寻呼消息,所述系统信息还包括所述用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波所关联的下行寻呼载波的寻呼权重,以及与每个波束对应的寻呼参数等配置信息。Optionally, the carriers associated with the downlink carriers that transmit the narrowband reference signals are all downlink paging carriers, the target message is a paging message, and the system information further includes the cell corresponding to each beam in the user equipment. The paging weight of the downlink paging carrier associated with the downlink carrier that transmits the narrowband reference signal, and configuration information such as paging parameters corresponding to each beam.
可选地,与发送窄带参考信号的下行载波所关联的载波均为下行寻呼载波,所述目标消息为寻呼消息,所述系统信息还包括所述用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波的寻呼权重、与发送窄带参考信号的下行载波所关联的下行寻呼载波的寻呼权重以及与每个波束对应的寻呼参数等配置信息。Optionally, the carriers associated with the downlink carriers that transmit the narrowband reference signals are all downlink paging carriers, the target message is a paging message, and the system information further includes the cell corresponding to each beam in the user equipment. configuration information such as the paging weight of the downlink carrier that transmits the narrowband reference signal, the paging weight of the downlink paging carrier associated with the downlink carrier that transmits the narrowband reference signal, and the paging parameters corresponding to each beam.
本发明的第六方面提供一种网络设备,包括:A sixth aspect of the present invention provides a network device, comprising:
至少一个处理器;at least one processor;
与所述至少一个处理器通信连接的存储器;以及a memory communicatively coupled to the at least one processor; and
收发器,用于与其它设备通信;Transceivers for communicating with other devices;
其中,所述存储器存储有可被所述至少一个处理器执行的指令,所述指令被所述至少一个处理器执行,以使所述至少一个处理器能够执行第四方面所述的系统信息广播方法。Wherein, the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor, so that the at least one processor can execute the system information broadcasting of the fourth aspect method.
本发明的第七方面提供一种存储有计算机指令的非瞬时计算机可读存储介质,所述计算机指令用于使所述计算机执行如第一方面所述的载波确定方法,或者如第四方面所述的系统信息广播方法。A seventh aspect of the present invention provides a non-transitory computer-readable storage medium storing computer instructions for causing the computer to perform the carrier wave determination method as described in the first aspect, or as described in the fourth aspect The system information broadcasting method described above.
本发明的积极进步效果在于:网络设备通过广播的系统信息为用户设备所在小区中的每个波束分别配置了用于发送窄带参考信号的下行载波,以及为发送窄带参考信号的下行载波配置了关联的载波,用户设备根据发送窄带参考信号的下行载波的信号质量确定目标下行载波,并根据与目标下行载波关联的载波确定用于传输目标消息的载波,也即可以通过载波切换实现波束切换,能够满足卫星物联网场景中频繁切换波束的需求。具体地,随着用户设备所在的波束发生变化,用户设备可以根据实时测量的发送窄带参考信号的下行载波的信号质量确定目标下行载波,并根据与目标下行载波所关联的载波确定用于传输目标消息的载波,从而提高卫星通信的稳定性,进而扩大通信的覆盖范围。The positive improvement effect of the present invention is that: the network device configures each beam in the cell where the user equipment is located with a downlink carrier for transmitting the narrowband reference signal through the broadcast system information, and configures an associated downlink carrier for transmitting the narrowband reference signal. The user equipment determines the target downlink carrier according to the signal quality of the downlink carrier that sends the narrowband reference signal, and determines the carrier used for transmitting the target message according to the carrier associated with the target downlink carrier. Meet the needs of frequent beam switching in satellite IoT scenarios. Specifically, as the beam where the user equipment is located changes, the user equipment can determine the target downlink carrier according to the real-time measurement of the signal quality of the downlink carrier that transmits the narrowband reference signal, and determine the target downlink carrier for transmission according to the carrier associated with the target downlink carrier. The carrier of the message, thereby improving the stability of the satellite communication, thereby expanding the coverage of the communication.
附图说明Description of drawings
图1为现有技术中随机接入过程的示意图。FIG. 1 is a schematic diagram of a random access process in the prior art.
图2为本发明实施例提供的一种通信网络架构示意图。FIG. 2 is a schematic diagram of a communication network architecture according to an embodiment of the present invention.
图3为本发明实施例1提供的一种载波确定方法的流程图。FIG. 3 is a flowchart of a method for determining a carrier according to Embodiment 1 of the present invention.
图4为本发明实施例1提供的载波确定方法的一种应用场景示意图。FIG. 4 is a schematic diagram of an application scenario of the carrier determination method provided in Embodiment 1 of the present invention.
图5为本发明实施例1提供的载波确定方法的另一种应用场景示意图。FIG. 5 is a schematic diagram of another application scenario of the carrier determination method provided in Embodiment 1 of the present invention.
图6为本发明实施例1提供的一种载波确定装置的结构框图。FIG. 6 is a structural block diagram of an apparatus for determining a carrier according to Embodiment 1 of the present invention.
图7为本发明实施例2提供的一种用户设备的结构示意图。FIG. 7 is a schematic structural diagram of a user equipment according to Embodiment 2 of the present invention.
具体实施方式Detailed ways
下面通过实施例的方式进一步说明本发明,但并不因此将本发明限制在所述的实施例范围之中。The present invention is further described below by way of examples, but the present invention is not limited to the scope of the described examples.
以下,对本发明实施例的示例性应用场景进行介绍。Hereinafter, exemplary application scenarios of the embodiments of the present invention are introduced.
本方明技术方案可适用于卫星通信系统。图2是本发明实施例提供的一种通信网络架构示意图,如图2所示,用户设备130可以和卫星上的基站110之间直接进行数据通信,用户设备130还可以通过卫星中继转发与基站120之间进行数据通信。本发明实施例中涉及到的网络设备可以为卫星上的基站110,也可以为基站120。The technical solution of the present invention can be applied to a satellite communication system. FIG. 2 is a schematic diagram of a communication network architecture provided by an embodiment of the present invention. As shown in FIG. 2 , the
本方明技术方案也适用于不同的网络架构,包括但不限于中继网络架构、双链接架构、Vehicle-to-Everything(车辆到任何物体的通信)架构等架构,本发明实施例对此不做限制。本发明实施例对此不做限制,本发明实施例中的基站可以是为终端提供通信服务的通信网络,包含无线接入网的基站,还可以包含无线接入网的基站控制器,还可以包含核心网侧的设备。其中,基站控制器是一种管理基站的装置,例如2G网络中的基站控制器(base station controller,简称BSC)、3G网络中的无线网络控制器(radio networkcontroller,简称RNC)、还可指未来新的通信系统中控制管理基站的装置。The technical solution of the present invention is also applicable to different network architectures, including but not limited to a relay network architecture, a dual-link architecture, a Vehicle-to-Everything (vehicle-to-everything) architecture, and other architectures. This embodiment of the present invention does not make restrictions. This embodiment of the present invention does not limit this. The base station in the embodiment of the present invention may be a communication network providing communication services for terminals, including a base station of a wireless access network, and may also include a base station controller of a wireless access network, or Including devices on the core network side. The base station controller is a device for managing base stations, such as a base station controller (BSC) in a 2G network, a radio network controller (RNC) in a 3G network, or a future A device for controlling and managing base stations in a new communication system.
本发明实施例中的用户设备(user equipment,简称UE)可以指各种形式的接入终端、用户单元、用户站、移动站、移动台(mobile station,建成MS)、远方站、远程终端、移动设备、用户终端、终端设备(terminal equipment)、无线通信设备、用户代理或用户装置。终端设备还可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,简称SIP)电话、无线本地环路(Wireless Local Loop,简称WLL)站、个人数字处理(PersonalDigital Assistant,简称PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备,未来5G网络中的终端设备或者未来演进的公用陆地移动通信网络(Public Land Mobile Network,简称PLMN)中的终端设备等,本发明实施例对此并不限定。User equipment (user equipment, UE for short) in this embodiment of the present invention may refer to various forms of access terminals, subscriber units, subscriber stations, mobile stations, mobile stations (mobile stations, built as MSs), remote stations, remote terminals, Mobile equipment, user terminal, terminal equipment, wireless communication equipment, user agent or user equipment. The terminal device may also be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a Wireless communication-enabled handheld devices, computing devices, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in future 5G networks or future evolved Public Land Mobile Networks (PLMN for short) ), which is not limited in this embodiment of the present invention.
本发明实施例中的基站(base station,简称BS),也可称为基站设备,是一种部署在无线接入网(RAN)用以提供无线通信功能的装置。例如在2G网络中提供基站功能的设备包括基地无线收发站(base transceiver station,简称BTS),3G网络中提供基站功能的设备包括节点B(NodeB),在4G网络中提供基站功能的设备包括演进的节点B(evolved NodeB,eNB),在无线局域网络(wireless local area networks,简称WLAN)中,提供基站功能的设备为接入点(access point,简称AP),5G新无线(New Radio,简称NR)中的提供基站功能的设备gNB,以及继续演进的节点B(ng-eNB),其中gNB和终端之间采用NR技术进行通信,ng-eNB和终端之间采用E-UTRA(Evolved Universal Terrestrial Radio Access)技术进行通信,gNB和ng-eNB均可连接到5G核心网(core network,简称CN)。本发明实施例中的基站还包含在未来新的通信系统中提供基站功能的设备等。本发明实施例对此不做限制。In this embodiment of the present invention, a base station (base station, BS for short), which may also be referred to as base station equipment, is a device deployed in a radio access network (RAN) to provide a wireless communication function. For example, devices that provide base station functions in 2G networks include base transceiver stations (BTS for short), devices that provide base station functions in 3G networks include Node Bs (NodeBs), and devices that provide base station functions in 4G networks include evolved In wireless local area networks (WLAN), the device that provides base station functions is an access point (AP). The device gNB that provides base station functions in NR), and the node B (ng-eNB) that continues to evolve, wherein the gNB and the terminal use NR technology for communication, and the ng-eNB and the terminal use E-UTRA (Evolved Universal Terrestrial (Evolved Universal Terrestrial). Radio Access) technology to communicate, both gNB and ng-eNB can be connected to the 5G core network (core network, CN for short). The base station in the embodiment of the present invention also includes a device and the like that provide the function of the base station in a new communication system in the future. This embodiment of the present invention does not limit this.
本发明实施例定义网络设备到用户设备的单向通信链路为下行链路,在下行链路上传输的数据为下行数据,下行数据的传输方向称为下行方向,用户设备通过下行载波接收下行数据;而用户设备到网络设备的单向通信链路为上行链路,在上行链路上传输的数据为上行数据,上行数据的传输方向称为上行方向,用户设备通过上行载波发送上行数据。The embodiment of the present invention defines the unidirectional communication link from the network equipment to the user equipment as the downlink, the data transmitted on the downlink is the downlink data, the transmission direction of the downlink data is called the downlink direction, and the user equipment receives the downlink through the downlink carrier The unidirectional communication link from the user equipment to the network equipment is the uplink, the data transmitted on the uplink is the uplink data, the transmission direction of the uplink data is called the uplink direction, and the user equipment sends the uplink data through the uplink carrier.
实施例1Example 1
图3是本实施例提供的载波确定方法的流程示意图,该方法可以由载波确定装置执行,该装置可以通过软件和/或硬件的方式实现,该装置可以包括用户设备和网络设备的部分或全部。下面结合用户设备和网络设备为执行主体对载波确定方法进行说明。FIG. 3 is a schematic flowchart of a carrier determination method provided in this embodiment. The method may be executed by a carrier determination apparatus, and the apparatus may be implemented in software and/or hardware, and the apparatus may include part or all of user equipment and network equipment. . The carrier determination method will be described below in conjunction with the user equipment and the network equipment as execution subjects.
如图3所示,本实施例提供的载波确定方法包括以下步骤S101~S104:As shown in FIG. 3 , the carrier determination method provided in this embodiment includes the following steps S101 to S104:
步骤S101、网络设备广播系统信息。其中,所述系统信息包括用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波的索引配置信息,以及与发送窄带参考信号的下行载波所关联的载波的索引配置信息。Step S101, the network device broadcasts system information. The system information includes the index configuration information of the downlink carrier corresponding to each beam in the cell where the user equipment is located, and the index configuration information of the carrier associated with the downlink carrier that transmits the narrowband reference signal.
步骤S101中,网络设备为用户设备所在小区中的每个波束分别配置了用于发送窄带参考信号(Narrowband Reference Signal,NRS)的下行载波,以及为发送NRS的下行载波配置了关联的载波,且通过广播系统消息的方式将发送NRS的下行载波及其所关联的载波的索引配置信息下发。In step S101, the network device configures a downlink carrier for sending a narrowband reference signal (Narrowband Reference Signal, NRS) for each beam in the cell where the user equipment is located, and configures an associated carrier for the downlink carrier that sends the NRS, and The downlink carrier that sends the NRS and the index configuration information of the associated carrier are delivered by broadcasting a system message.
步骤S102、用户设备测量发送窄带参考信号的下行载波的信号质量,并根据测量的信号质量确定目标下行载波。在具体实施中,用户设备接收网络设备广播的系统信息,并根据所述系统信息确定发送NRS的下行载波,并对其信号质量进行测量,由此确定目标下行载波。Step S102, the user equipment measures the signal quality of the downlink carrier that transmits the narrowband reference signal, and determines the target downlink carrier according to the measured signal quality. In a specific implementation, the user equipment receives the system information broadcast by the network device, determines the downlink carrier for sending the NRS according to the system information, and measures the signal quality thereof, thereby determining the target downlink carrier.
其中,发送NRS的下行载波的信号质量可以包括以下中的至少一种:参考信号接收功率(Reference Signal Receiving Power,RSRP)、参考信号接收质量(Reference SignalReceiving Quality,RSRQ)、接收信号强度指示(Received Signal Strength Indicator,RSSI)。The signal quality of the downlink carrier that sends the NRS may include at least one of the following: Reference Signal Receiving Power (RSRP), Reference Signal Receiving Quality (RSRQ), Received Signal Strength Indicator (Received Signal Receiving Power, RSRP) Signal Strength Indicator, RSSI).
在步骤S102可选的一种实施方式中,网络设备广播的系统信息还包括信号质量的参考阈值。本实施方式中,步骤S102具体包括:若发送窄带参考信号的下行载波的信号质量大于所述参考阈值,则将所述下行载波作为目标下行载波。In an optional implementation manner of step S102, the system information broadcast by the network device further includes a reference threshold of signal quality. In this embodiment, step S102 specifically includes: if the signal quality of the downlink carrier that transmits the narrowband reference signal is greater than the reference threshold, using the downlink carrier as the target downlink carrier.
在具体实施中,若存在多个信号质量大于上述参考阈值的发送窄带参考信号的下行载波,则在多个下行载波中确定信号质量最好的下行载波作为目标下行载波。In a specific implementation, if there are multiple downlink carriers with signal quality greater than the above reference threshold for transmitting narrowband reference signals, the downlink carrier with the best signal quality among the multiple downlink carriers is determined as the target downlink carrier.
在具体实施中,若不存在信号质量大于上述参考阈值的发送窄带参考信号的下行载波,用户设备则不需要确定目标下行载波。In a specific implementation, if there is no downlink carrier whose signal quality is greater than the above-mentioned reference threshold for transmitting the narrowband reference signal, the user equipment does not need to determine the target downlink carrier.
步骤S103、用户设备根据与所述目标下行载波关联的载波确定用于传输目标消息的载波。Step S103, the user equipment determines the carrier used for transmitting the target message according to the carrier associated with the target downlink carrier.
步骤S104、用户设备通过确定的载波向网络设备传输目标消息。Step S104, the user equipment transmits the target message to the network device through the determined carrier.
可以理解地,在NB-IoT物联网协议中用户设备与网络设备之间的数据传输带宽是一个物理资源块(Physical Resource Block,PRB),一个物理资源块也称作一个载波,但是在eMTC物联网协议中用户设备与网络设备之间的传输带宽为一个窄带。需要说明的是,若物联网协议为eMTC,则本发明实施例中的载波等同于窄带。Understandably, in the NB-IoT IoT protocol, the data transmission bandwidth between user equipment and network equipment is a physical resource block (Physical Resource Block, PRB). A physical resource block is also called a carrier. In the networking protocol, the transmission bandwidth between user equipment and network equipment is a narrow band. It should be noted that, if the IoT protocol is eMTC, the carrier wave in the embodiment of the present invention is equivalent to the narrowband.
在可选的一种实施方式中,与发送窄带参考信号的下行载波所关联的载波均为配置了物理随机接入信道资源即PRACH资源的上行载波,所述目标消息为随机接入消息。上述步骤S103具体包括:在与所述目标下行载波关联的配置了物理随机接入信道资源的上行载波中随机确定用于发送随机接入消息的上行载波。In an optional implementation manner, the carriers associated with the downlink carriers sending the narrowband reference signals are all uplink carriers configured with physical random access channel resources, that is, PRACH resources, and the target message is a random access message. The above step S103 specifically includes: randomly determining an uplink carrier for sending a random access message among uplink carriers associated with the target downlink carrier and configured with physical random access channel resources.
本实施方式中,用户设备可以在随机接入过程中通过步骤S103随机确定的上行载波向网络设备发送随机接入消息,其中,所述随机接入消息可以包括随机前导码Msg1。网络设备为用户设备所在小区中与每个波束对应的发送NRS的下行载波配置了多个关联的上行载波,并为这些上行载波配置了物理随机接入信道资源,从而能够满足卫星物联网场景中用户设备频繁切换波束的需求,具体地,随着用户设备所在的波束发生变化,用户设备可以根据实时测量的发送NRS的下行载波的信号质量确定目标下行载波,并在与目标下行载波所关联的上行载波中确定发送随机接入消息的上行载波,从而提高卫星通信的稳定性。In this embodiment, the user equipment may send a random access message to the network device through the uplink carrier randomly determined in step S103 during the random access process, where the random access message may include a random preamble Msg1. The network equipment configures multiple associated uplink carriers for the downlink carriers that transmit NRS corresponding to each beam in the cell where the user equipment is located, and configures physical random access channel resources for these uplink carriers, so as to meet the requirements of the satellite Internet of Things scenario. The user equipment needs to switch beams frequently. Specifically, as the beam where the user equipment is located changes, the user equipment can determine the target downlink carrier according to the real-time measurement of the signal quality of the downlink carrier that transmits the NRS. In the uplink carrier, the uplink carrier for sending the random access message is determined, thereby improving the stability of satellite communication.
在如图4所示的例子中,网络设备为用户设备所在小区的三个波束分别配置了一个用于发送NRS的下行载波(D11/D12/D13),以及为每个发送NRS的下行载波分别配置了两个关联的上行载波,其中,关联的上行载波均已配置PRACH资源。具体地,下行载波D11关联上行载波U1和U2,下行载波D12关联上行载波U3和U4,下行载波D13关联上行载波U5和U6。用户设备分别测量下行载波D11、D12、D13的信号质量,并将测量结果与参考阈值A进行比较,其中,参考阈值A包含于网络设备广播的系统信息中。比较结果为:下行载波D11的信号质量大于参考阈值A,下行载波D12和D13的信号质量均小于参考阈值A,用户设备将下行载波D11确定为目标下行载波,并在与下行载波D11关联的上行载波U1和U2中随机确定一个上行载波,用于发送随机接入前导码Msg1。In the example shown in FIG. 4, the network device configures a downlink carrier (D11/D12/D13) for transmitting NRS for each of the three beams of the cell where the user equipment is located, and for each downlink carrier for transmitting NRS Two associated uplink carriers are configured, wherein PRACH resources have been configured on the associated uplink carriers. Specifically, the downlink carrier D11 is associated with the uplink carriers U1 and U2, the downlink carrier D12 is associated with the uplink carriers U3 and U4, and the downlink carrier D13 is associated with the uplink carriers U5 and U6. The user equipment measures the signal qualities of the downlink carriers D11, D12, and D13 respectively, and compares the measurement results with a reference threshold A, where the reference threshold A is included in the system information broadcast by the network equipment. The comparison result is: the signal quality of the downlink carrier D11 is greater than the reference threshold A, and the signal qualities of the downlink carriers D12 and D13 are both lower than the reference threshold A, the user equipment determines the downlink carrier D11 as the target downlink carrier, and the uplink carrier D11 is associated with the downlink carrier D11. An uplink carrier is randomly determined among the carriers U1 and U2 for sending the random access preamble Msg1.
在可选的另一种实施方式中,与发送窄带参考信号的下行载波所关联的载波均为下行寻呼载波,所述目标消息为寻呼消息,所述系统信息还包括所述用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波所关联的下行寻呼载波的寻呼权重,以及与每个波束对应的寻呼参数等配置信息。上述步骤S103具体包括:根据所述用户设备的标识信息、与目标波束对应的寻呼参数以及与所述目标下行载波所关联的下行寻呼载波的寻呼权重,在与所述目标下行载波所关联的下行寻呼载波中确定用于接收寻呼消息的下行寻呼载波;其中,所述目标波束为与所述目标下行载波对应的波束。In another optional implementation manner, the carriers associated with the downlink carriers that transmit the narrowband reference signals are all downlink paging carriers, the target message is a paging message, and the system information further includes the location where the user equipment is located. The paging weight of the downlink paging carrier associated with the downlink carrier that transmits the narrowband reference signal corresponding to each beam in the cell, and configuration information such as paging parameters corresponding to each beam. The above-mentioned step S103 specifically includes: according to the identification information of the user equipment, the paging parameter corresponding to the target beam, and the paging weight of the downlink paging carrier associated with the target downlink carrier, in the target downlink carrier associated with the target downlink carrier. A downlink paging carrier used for receiving a paging message is determined among the associated downlink paging carriers; wherein, the target beam is a beam corresponding to the target downlink carrier.
在可选的又一种实施方式中,与发送窄带参考信号的下行载波所关联的载波均为下行寻呼载波,所述目标消息为寻呼消息,所述系统信息还包括所述用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波的寻呼权重、与发送窄带参考信号的下行载波所关联的下行寻呼载波的寻呼权重以及与每个波束对应的寻呼参数;上述步骤S103具体包括:根据所述用户设备的标识信息、与目标波束对应的寻呼参数、所述目标下行载波的寻呼权重以及与所述目标下行载波所关联的下行寻呼载波的寻呼权重,在所述目标下行载波以及与所述目标下行载波所关联的下行寻呼载波中确定用于接收寻呼消息的下行寻呼载波;其中,所述目标波束为与所述目标下行载波对应的波束。In another optional implementation manner, the carriers associated with the downlink carriers that transmit the narrowband reference signals are all downlink paging carriers, the target message is a paging message, and the system information further includes the location where the user equipment is located. The paging weight of the downlink carrier for transmitting the narrowband reference signal corresponding to each beam in the cell, the paging weight of the downlink paging carrier associated with the downlink carrier for transmitting the narrowband reference signal, and the paging parameter corresponding to each beam; The above step S103 specifically includes: paging according to the identification information of the user equipment, the paging parameters corresponding to the target beam, the paging weight of the target downlink carrier, and the downlink paging carrier associated with the target downlink carrier weight, determining the downlink paging carrier used for receiving the paging message in the target downlink carrier and the downlink paging carrier associated with the target downlink carrier; wherein, the target beam is corresponding to the target downlink carrier beam.
可以理解地,目标下行载波也可以用于接收寻呼消息,本实施方式中,通过在目标下行载波及其关联的下行寻呼载波中确定一个用于接收寻呼消息的载波。It can be understood that the target downlink carrier can also be used for receiving paging messages. In this embodiment, a carrier for receiving paging messages is determined from the target downlink carrier and its associated downlink paging carrier.
其中,上述寻呼参数可以包括每个DRX周期内寻呼帧PF的数量及每个寻呼帧PF内寻呼时机PO的数量。The above-mentioned paging parameters may include the number of paging frames PF in each DRX cycle and the number of paging occasions PO in each paging frame PF.
在一个具体的例子中,用户设备的标识信息为UE_ID,取值为IMSI mod1024。其中,每个用户的IMSI(International Mobile Subscriber Identity,国际移动用户标识码)是唯一的。IMSI由数字0~9组成的一个序列表示,存储在SIM/USIM卡中。需要说明的是,如果用户设备并没有插入SIM/USIM卡,那么就不存在IMSI,此时UE_ID固定取0。In a specific example, the identification information of the user equipment is UE_ID, and the value is IMSI mod1024. The IMSI (International Mobile Subscriber Identity, International Mobile Subscriber Identity, International Mobile Subscriber Identity) of each user is unique. IMSI is represented by a sequence of numbers 0 to 9 and stored in the SIM/USIM card. It should be noted that, if the user equipment does not have a SIM/USIM card inserted, then there is no IMSI, and the UE_ID is fixed at 0 at this time.
在具体实施的一个例子中,根据以下公式在所述目标下行载波及其关联的下行寻呼载波中确定用于接收寻呼消息的载波:In an example of specific implementation, the carrier for receiving the paging message is determined among the target downlink carrier and its associated downlink paging carrier according to the following formula:
(floor(UE_ID/(N*Ns))mod W)<(W(0)+W(1)+…+W(n));(floor(UE_ID/(N*Ns))mod W)<(W(0)+W(1)+…+W(n));
其中,floor为向下取整函数,mod为求余函数,W(i)为目标下行载波及其关联的下行寻呼载波中载波索引为i的载波的寻呼权重,其中i=0,1,2,……,n,n小于等于目标下行载波及其关联的下行寻呼载波的数量之和,W为目标下行载波及其关联的所有下行寻呼载波的寻呼权重之和,N和Ns均为与目标波束对应的寻呼参数,其中,所述目标波束为与目标下行载波对应的波束,N为每个DRX周期内寻呼帧PF的数量,Ns为每个寻呼帧PF内寻呼时机PO的数量。where floor is the rounding down function, mod is the remainder function, W(i) is the paging weight of the target downlink carrier and its associated downlink paging carrier whose carrier index is i, where i=0,1 ,2,...,n, n is less than or equal to the sum of the number of the target downlink carrier and its associated downlink paging carriers, W is the sum of the paging weights of the target downlink carrier and all its associated downlink paging carriers, and N and Ns are paging parameters corresponding to the target beam, wherein the target beam is the beam corresponding to the target downlink carrier, N is the number of paging frames PF in each DRX cycle, and Ns is the number of paging frames PF in each paging frame Number of paging occasion POs.
需要说明的是,按照载波索引从0依次递增,直至首次满足上述公式,即满足公式的左边小于公式的右边,记录此时的载波索引X,然后确定载波索引为X的载波接收寻呼消息。It should be noted that the carrier index is incremented from 0 until the above formula is satisfied for the first time, that is, the left side of the formula is less than the right side of the formula, the carrier index X at this time is recorded, and then the carrier with the carrier index X is determined to receive the paging message.
本实施方式中,网络设备为用户设备所在小区中的每个波束单独配置寻呼权重和寻呼参数,从而能够满足卫星物联网场景中用户设备频繁切换波束的需求,具体地,随着用户设备所在的波束发生变化,用户设备可以根据实时测量的发送NRS的下行载波的信号质量确定目标下行载波,并根据与目标下行载波对应的波束确定接收寻呼消息的载波,从而提高卫星通信的稳定性。In this embodiment, the network device configures paging weights and paging parameters separately for each beam in the cell where the user equipment is located, so as to meet the requirement for the user equipment to frequently switch beams in the satellite Internet of Things scenario. When the beam where it is located changes, the user equipment can determine the target downlink carrier according to the real-time measured signal quality of the downlink carrier sending NRS, and determine the carrier for receiving paging messages according to the beam corresponding to the target downlink carrier, thereby improving the stability of satellite communication .
在如图5所示的例子中,网络设备为用户设备所在小区的三个波束分别配置了一个用于发送NRS的下行载波(D21/D22/D23),以及为每个发送NRS的下行载波分别配置了两个关联的下行寻呼载波。具体地,下行载波D21关联下行寻呼载波D1和D2,下行载波D22关联下行寻呼载波D3和D4,下行载波D23关联下行寻呼载波D5和D6。用户设备分别测量下行载波D21、D22、D23的信号质量,并将测量结果与参考阈值B进行比较,其中,参考阈值B包含于网络设备广播的系统信息中。比较结果为:下行载波D22的信号质量小于参考阈值B,下行载波D21和D23的信号质量均大于参考阈值B,且下行载波D21的信号质量大于下行载波D23的信号质量,用户设备将信号质量最好的下行载波D21确定为目标下行载波,并在下行载波D21及其关联的下行寻呼载波D1和D2中确定一个载波,用于接收寻呼消息。具体地,根据用户设备的标识信息UE_ID、下行载波D21的寻呼权重、下行寻呼载波D1和D2的寻呼权重以及网络设备为目标波束配置的寻呼参数确定接收寻呼消息的载波。本例子中的目标波束为与下行载波D21对应的波束。In the example shown in FIG. 5 , the network device configures a downlink carrier (D21/D22/D23) for transmitting NRS for each of the three beams in the cell where the user equipment is located, and for each downlink carrier for transmitting NRS Two associated downlink paging carriers are configured. Specifically, downlink carrier D21 is associated with downlink paging carriers D1 and D2, downlink carrier D22 is associated with downlink paging carriers D3 and D4, and downlink carrier D23 is associated with downlink paging carriers D5 and D6. The user equipment measures the signal qualities of the downlink carriers D21, D22, and D23 respectively, and compares the measurement results with a reference threshold B, where the reference threshold B is included in the system information broadcast by the network equipment. The comparison result is: the signal quality of the downlink carrier D22 is less than the reference threshold B, the signal quality of the downlink carriers D21 and D23 are both greater than the reference threshold B, and the signal quality of the downlink carrier D21 is greater than the signal quality of the downlink carrier D23, and the user equipment sets the signal quality to the highest. The good downlink carrier D21 is determined as the target downlink carrier, and a carrier is determined among the downlink carrier D21 and its associated downlink paging carriers D1 and D2 for receiving paging messages. Specifically, the carrier receiving the paging message is determined according to the identification information UE_ID of the user equipment, the paging weight of the downlink carrier D21, the paging weights of the downlink paging carriers D1 and D2, and the paging parameters configured by the network equipment for the target beam. The target beam in this example is the beam corresponding to the downlink carrier D21.
本实施例还提供一种载波确定装置60,如图6所示,包括系统信息接收模块61、第一载波确定模块62以及第二载波确定模块63。This embodiment further provides a
系统信息接收模块用于接收网络设备广播的系统信息,其中,所述系统信息包括用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波的索引配置信息,以及与发送窄带参考信号的下行载波所关联的载波的索引配置信息。The system information receiving module is used to receive the system information broadcast by the network equipment, wherein the system information includes the index configuration information of the downlink carrier for transmitting the narrowband reference signal corresponding to each beam in the cell where the user equipment is located, and the information related to the transmission of the narrowband reference signal. The index configuration information of the carrier associated with the downlink carrier.
第一载波确定模块用于根据发送窄带参考信号的下行载波的信号质量确定目标下行载波。The first carrier determination module is configured to determine the target downlink carrier according to the signal quality of the downlink carrier on which the narrowband reference signal is sent.
在可选的一种实施方式中,所述系统信息还包括信号质量的参考阈值;所述第一载波确定模块具体用于在发送窄带参考信号的下行载波的信号质量大于所述参考阈值的情况下,将所述下行载波作为目标下行载波。In an optional implementation manner, the system information further includes a reference threshold value of signal quality; the first carrier determination module is specifically configured to be used when the signal quality of the downlink carrier sending the narrowband reference signal is greater than the reference threshold value Next, the downlink carrier is used as the target downlink carrier.
在可选的一种实施方式中,所述第一载波确定模块具体用于在存在多个信号质量大于所述参考阈值的发送窄带参考信号的下行载波的情况下,在多个下行载波中确定信号质量最好的下行载波作为目标下行载波。In an optional implementation manner, the first carrier determination module is specifically configured to determine, in a case where there are multiple downlink carriers that transmit narrowband reference signals whose signal quality is greater than the reference threshold, among the multiple downlink carriers The downlink carrier with the best signal quality is used as the target downlink carrier.
第二载波确定模块用于根据与所述目标下行载波关联的载波确定用于传输目标消息的载波。The second carrier determination module is configured to determine the carrier used for transmitting the target message according to the carrier associated with the target downlink carrier.
在可选的一种实施方式中,与发送窄带参考信号的下行载波所关联的载波均为配置了物理随机接入信道资源的上行载波,所述目标消息为随机接入消息;所述第二载波确定模块具体用于在与所述目标下行载波关联的配置了物理随机接入信道资源的上行载波中随机确定用于发送随机接入消息的上行载波。In an optional implementation manner, the carriers associated with the downlink carriers that transmit the narrowband reference signals are all uplink carriers configured with physical random access channel resources, and the target message is a random access message; the second The carrier determination module is specifically configured to randomly determine an uplink carrier for sending a random access message among uplink carriers configured with physical random access channel resources associated with the target downlink carrier.
在可选的另一种实施方式中,与发送窄带参考信号的下行载波所关联的载波均为下行寻呼载波,所述目标消息为寻呼消息,所述系统信息还包括所述用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波所关联的下行寻呼载波的寻呼权重,以及与每个波束对应的寻呼参数等配置信息;In another optional implementation manner, the carriers associated with the downlink carriers that transmit the narrowband reference signals are all downlink paging carriers, the target message is a paging message, and the system information further includes the location where the user equipment is located. The paging weight of the downlink paging carrier associated with the downlink carrier that transmits the narrowband reference signal corresponding to each beam in the cell, and configuration information such as paging parameters corresponding to each beam;
所述第二载波确定模块具体用于根据所述用户设备的标识信息、与目标波束对应的寻呼参数以及与所述目标下行载波所关联的下行寻呼载波的寻呼权重,在与所述目标下行载波所关联的下行寻呼载波中确定用于接收寻呼消息的下行寻呼载波;其中,所述目标波束为与所述目标下行载波对应的波束。The second carrier determination module is specifically configured to, according to the identification information of the user equipment, the paging parameters corresponding to the target beam and the paging weight of the downlink paging carrier associated with the target downlink carrier, A downlink paging carrier used for receiving a paging message is determined among downlink paging carriers associated with the target downlink carrier; wherein, the target beam is a beam corresponding to the target downlink carrier.
在可选的又一种实施方式中,与发送窄带参考信号的下行载波所关联的载波均为下行寻呼载波,所述目标消息为寻呼消息,所述系统信息还包括所述用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波的寻呼权重、与发送窄带参考信号的下行载波所关联的下行寻呼载波的寻呼权重以及与每个波束对应的寻呼参数等配置信息;In another optional implementation manner, the carriers associated with the downlink carriers that transmit the narrowband reference signals are all downlink paging carriers, the target message is a paging message, and the system information further includes the location where the user equipment is located. The paging weight of the downlink carrier that transmits the narrowband reference signal corresponding to each beam in the cell, the paging weight of the downlink paging carrier associated with the downlink carrier that transmits the narrowband reference signal, and the paging parameters corresponding to each beam, etc. configuration information;
所述第二载波确定模块具体用于根据所述用户设备的标识信息、与目标波束对应的寻呼参数、所述目标下行载波的寻呼权重以及与所述目标下行载波所关联的下行寻呼载波的寻呼权重,在所述目标下行载波以及与所述目标下行载波所关联的下行寻呼载波中确定用于接收寻呼消息的下行寻呼载波;The second carrier determination module is specifically configured to, according to the identification information of the user equipment, the paging parameters corresponding to the target beam, the paging weight of the target downlink carrier, and the downlink paging associated with the target downlink carrier The paging weight of the carrier, the downlink paging carrier used for receiving the paging message is determined in the target downlink carrier and the downlink paging carrier associated with the target downlink carrier;
其中,所述目标波束为与所述目标下行载波对应的波束。The target beam is a beam corresponding to the target downlink carrier.
本实施例还提供一种系统信息广播装置,所述系统信息广播装置用于广播系统信息,其中,所述系统信息包括用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波的索引配置信息,以及与发送窄带参考信号的下行载波所关联的载波的索引配置信息;其中,所述用户设备为上述实施例中的用户设备。This embodiment also provides an apparatus for broadcasting system information. The apparatus for broadcasting system information is used for broadcasting system information, wherein the system information includes the downlink carrier corresponding to each beam in the cell where the user equipment is located, and which transmits the narrowband reference signal. The index configuration information, and the index configuration information of the carrier associated with the downlink carrier that transmits the narrowband reference signal; wherein, the user equipment is the user equipment in the foregoing embodiment.
在可选的一种实施方式中,所述系统信息还包括信号质量的参考阈值。In an optional implementation manner, the system information further includes a reference threshold of signal quality.
在可选的一种实施方式中,与发送窄带参考信号的下行载波所关联的载波均为配置了物理随机接入信道资源的上行载波。In an optional implementation manner, the carriers associated with the downlink carriers that transmit the narrowband reference signals are all uplink carriers configured with physical random access channel resources.
在可选的另一种实施方式中,与发送窄带参考信号的下行载波所关联的载波均为下行寻呼载波,所述目标消息为寻呼消息,所述系统信息还包括所述用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波所关联的下行寻呼载波的寻呼权重,以及与每个波束对应的寻呼参数等配置信息。In another optional implementation manner, the carriers associated with the downlink carriers that transmit the narrowband reference signals are all downlink paging carriers, the target message is a paging message, and the system information further includes the location where the user equipment is located. The paging weight of the downlink paging carrier associated with the downlink carrier that transmits the narrowband reference signal corresponding to each beam in the cell, and configuration information such as paging parameters corresponding to each beam.
在可选的又一种实施方式中,与发送窄带参考信号的下行载波所关联的载波均为下行寻呼载波,所述目标消息为寻呼消息,所述系统信息还包括所述用户设备所在小区中与每个波束对应的发送窄带参考信号的下行载波的寻呼权重、与发送窄带参考信号的下行载波所关联的下行寻呼载波的寻呼权重以及与每个波束对应的寻呼参数等配置信息。In another optional implementation manner, the carriers associated with the downlink carriers that transmit the narrowband reference signals are all downlink paging carriers, the target message is a paging message, and the system information further includes the location where the user equipment is located. The paging weight of the downlink carrier that transmits the narrowband reference signal corresponding to each beam in the cell, the paging weight of the downlink paging carrier associated with the downlink carrier that transmits the narrowband reference signal, and the paging parameters corresponding to each beam, etc. configuration information.
需要说明的是,上述载波确定装置或者系统信息广播装置具体可以是单独的芯片、芯片模组或者终端,也可以是集成于终端内的芯片或者芯片模组。It should be noted that the above-mentioned carrier determination device or system information broadcasting device may specifically be a separate chip, a chip module or a terminal, or may be a chip or a chip module integrated in the terminal.
关于上述实施例中描述的载波确定装置或者系统信息广播装置包含的各个模块/单元,其可以是软件模块/单元,也可以是硬件模块/单元,或者也可以部分是软件模块/单元,部分是硬件模块/单元。例如,对于应用于或集成于芯片的各个装置、产品,其包含的各个模块/单元可以都采用电路等硬件的方式实现,或者,至少部分模块/单元可以采用软件程序的方式实现,该软件程序运行于芯片内部集成的处理器,剩余的部分模块/单元可以采用电路等硬件方式实现;对于应用于或集成于芯片模组的各个装置、产品,其包含的各个模块/单元可以都采用电路等硬件的方式实现,不同的模块/单元可以位于芯片模组的同一组件(例如芯片、电路模块等)或者不同组件中,或者,至少部分模块/单元可以采用软件程序的方式实现,该软件程序运行于芯片模组内部集成的处理器,剩余的部分模块/单元可以采用电路等硬件方式实现;对于应用于或集成于终端的各个装置、产品,其包含的各个模块/单元可以都采用电路等硬件的方式实现,不同的模块/单元可以位于终端内同一组件(例如,芯片、电路模块等)或者不同组件中,或者,至少部分模块/单元可以采用软件程序的方式实现,该软件程序运行于终端内部集成的处理器,剩余的部分模块/单元可以采用电路等硬件方式实现。Regarding each module/unit included in the carrier determination apparatus or the system information broadcasting apparatus described in the above embodiments, it may be a software module/unit, a hardware module/unit, or a part of a software module/unit, a part of which is Hardware modules/units. For example, for each device or product applied to or integrated in a chip, each module/unit included therein may be implemented by hardware such as circuits, or at least some modules/units may be implemented by a software program. Running on the processor integrated inside the chip, the remaining part of the modules/units can be implemented by hardware such as circuits; for each device and product applied to or integrated in the chip module, each module/unit contained therein can be implemented using circuits, etc. It is implemented in hardware, and different modules/units can be located in the same component (such as a chip, circuit module, etc.) or in different components of the chip module, or at least some of the modules/units can be implemented in a software program, and the software program runs For the processor integrated in the chip module, the remaining part of the modules/units can be implemented by hardware such as circuits; for each device and product applied to or integrated in the terminal, each module/unit included can be implemented by hardware such as circuits. Different modules/units may be located in the same component (for example, a chip, circuit module, etc.) or in different components in the terminal, or at least some modules/units may be implemented by a software program, and the software program runs on the terminal Internally integrated processor, the remaining part of the modules/units can be implemented in hardware such as circuits.
实施例2Example 2
图7为本实施例提供的一种用户设备的结构示意图。所述用户设备包括至少一个处理器、与所述至少一个处理器通信连接的存储器以及用于与其它设备通信的收发器。其中,所述存储器存储有可被所述至少一个处理器执行的指令,所述指令被所述至少一个处理器执行,以使所述至少一个处理器能够执行实施例1所述的载波确定方法。图7显示的用户设备3仅仅是一个示例,不应对本发明实施例的功能和使用范围带来任何限制。FIG. 7 is a schematic structural diagram of a user equipment according to this embodiment. The user equipment includes at least one processor, a memory communicatively coupled to the at least one processor, and a transceiver for communicating with other devices. Wherein, the memory stores instructions executable by the at least one processor, and the instructions are executed by the at least one processor, so that the at least one processor can execute the carrier determination method described in Embodiment 1 . The user equipment 3 shown in FIG. 7 is only an example, and should not impose any limitations on the functions and scope of use of the embodiments of the present invention.
本发明实施例中的用户设备可以为手机、平板电脑、PDA(Personal DigitalAssistant,个人数字助理)、POS(Point of Sales,销售终端)、车载终端、穿戴设备等。The user equipment in the embodiment of the present invention may be a mobile phone, a tablet computer, a PDA (Personal Digital Assistant, personal digital assistant), a POS (Point of Sales, sales terminal), a vehicle terminal, a wearable device, and the like.
用户设备3的组件可以包括但不限于:上述至少一个处理器4、上述至少一个存储器5、连接不同系统组件(包括存储器5和处理器4)的总线6。The components of the user equipment 3 may include, but are not limited to: the above-mentioned at least one
总线6包括数据总线、地址总线和控制总线。The
存储器5可以包括易失性存储器,例如随机存取存储器(RAM)51和/或高速缓存存储器52,还可以进一步包括只读存储器(ROM)53。The
存储器5还可以包括具有一组(至少一个)程序模块54的程序/实用工具55,这样的程序模块54包括但不限于:操作系统、一个或者多个应用程序、其它程序模块以及程序数据,这些示例中的每一个或某种组合中可能包括网络环境的实现。The
处理器4通过运行存储在存储器5中的计算机程序,从而执行各种功能应用以及数据处理,例如本发明实施例1的载波确定方法。The
用户设备3也可以与一个或多个外部设备7(例如键盘、指向设备等)通信。这种通信可以通过输入/输出(I/O)接口8进行。并且,用户设备3还可以通过网络适配器9与一个或者多个网络(例如局域网(LAN),广域网(WAN)和/或公共网络,例如因特网)通信。如图7所示,网络适配器9通过总线6与用户设备3的其它模块通信。应当明白,尽管图7中未示出,可以结合用户设备3使用其它硬件和/或软件模块,包括但不限于:微代码、设备驱动器、冗余处理器、外部磁盘驱动阵列、RAID(磁盘阵列)系统、磁带驱动器以及数据备份存储系统等。The user device 3 may also communicate with one or more external devices 7 (eg keyboards, pointing devices, etc.). Such communication may take place through an input/output (I/O)
应当注意,尽管在上文详细描述中提及了用户设备的若干单元/模块或子单元/模块,但是这种划分仅仅是示例性的并非强制性的。实际上,根据本发明的实施方式,上文描述的两个或更多单元/模块的特征和功能可以在一个单元/模块中具体化。反之,上文描述的一个单元/模块的特征和功能可以进一步划分为由多个单元/模块来具体化。It should be noted that although several units/modules or sub-units/modules of the user equipment are mentioned in the above detailed description, this division is merely exemplary and not mandatory. Indeed, the features and functions of two or more units/modules described above may be embodied in one unit/module according to embodiments of the present invention. Conversely, the features and functions of one unit/module described above may be further subdivided to be embodied by multiple units/modules.
实施例3Example 3
本发明实施例提供一种存储有计算机指令的非瞬时计算机可读存储介质,所述计算机指令用于使所述计算机执行实施例1中的载波确定方法。An embodiment of the present invention provides a non-transitory computer-readable storage medium storing computer instructions, where the computer instructions are used to cause the computer to execute the carrier wave determination method in Embodiment 1.
其中,可读存储介质可以采用的更具体可以包括但不限于:便携式盘、硬盘、随机存取存储器、只读存储器、可擦拭可编程只读存储器、光存储器件、磁存储器件或上述的任意合适的组合。Wherein, the readable storage medium may include, but is not limited to, a portable disk, a hard disk, a random access memory, a read-only memory, an erasable programmable read-only memory, an optical storage device, a magnetic storage device, or any of the above suitable combination.
在可能的实施方式中,本发明还可以实现为一种程序产品的形式,其包括程序代码,当所述程序产品在终端设备上运行时,所述程序代码用于使所述终端设备执行实现实施例1中的载波确定方法。In a possible implementation manner, the present invention can also be implemented in the form of a program product, which includes program codes, when the program product runs on a terminal device, the program code is used to cause the terminal device to execute the implementation Carrier determination method in Embodiment 1.
其中,可以以一种或多种程序设计语言的任意组合来编写用于执行本发明的程序代码,所述程序代码可以完全地在用户设备上执行、部分地在用户设备上执行、作为一个独立的软件包执行、部分在用户设备上部分在远程设备上执行或完全在远程设备上执行。Wherein, the program code for executing the present invention can be written in any combination of one or more programming languages, and the program code can be completely executed on the user equipment, partially executed on the user equipment, as an independent The software package executes on the user's device, partly on the user's device, partly on the remote device, or entirely on the remote device.
虽然以上描述了本发明的具体实施方式,但是本领域的技术人员应当理解,这仅是举例说明,本发明的保护范围是由所附权利要求书限定的。本领域的技术人员在不背离本发明的原理和实质的前提下,可以对这些实施方式做出多种变更或修改,但这些变更和修改均落入本发明的保护范围。Although the specific embodiments of the present invention are described above, those skilled in the art should understand that this is only an illustration, and the protection scope of the present invention is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and essence of the present invention, but these changes and modifications all fall within the protection scope of the present invention.
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