CN101341782B - 关于为请求报告选择请求群组的方法及设备 - Google Patents
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Abstract
本发明阐述关于报告传输待办事项(backlog)信息的方法及设备。无线通信装置维持并更新对应于多个不同传输请求群组的传输待办事项信息。不同请求群组可对应于不同上行链路业务队列。针对请求报告机会,所述通信装置依据以下信息从所述多个不同传输请求群组中选择请求群组:相对于先前所报告请求的请求群组待办事项改变,所述改变考虑传输资源的基站分配;及请求群组优先级信息。产生传递对应于所述所选择请求群组的待办事项信息的请求报告,且通过无线通信链路来传输所述产生的报告。
Description
技术领域
本发明涉及无线通信方法及设备,且更特定来说涉及从可在请求报告内(例如在上行链路业务信道请求报告内)报告的多个可能请求群组中选择请求群组的方法及设备。
背景技术
在多址无线通信系统中,多个无线终端通常竞争有限的空中链路资源。在支持上行链路业务信令的状态下操作的无线终端通常需要向基站连接点传送控制信息。所述信息可以以一个或多个控制信息报告的形式来传送,从而允许所述基站连接点来表征所述无线终端并分配诸如上行链路传输资源等资源。
无线终端可支持对应于多个不同类型应用的上行链路业务。在不同时间,所述无线终端可能具有不同的业务信道报告需要。因此,需要允许各种报告替代形式的方法及设备。例如,在使用固定位大小请求报告格式的系统中,如果可支持对应于不同业务分组的报告替代形式而不改变报告所使用的位数量,则是较为有益。此外,假定已开发出用于支持报告替代形式的方法及设备,如果还可开发出及/或支持可用于在可用报告替代形式之间选择的方法及/或设备,则也会较为有益。在报告中的改良及/或在报告替代形式之间选择(如果可供使用的话)可便于高效空中链路资源分配及/或有助于满足无线终端的改变业务需要及/或服务质量需求。
发明内容
各种实施例涉及用于支持(例如)固定大小报告的多个报告替代形式方法及设备。某些特征涉及选择与控制信息请求报告(例如上行链路业务报告)的报告替代形式相关联的请求群组,所述上行链路业务报告提供关于通信装置处的等待传输数据量的信息。这类报告可视为及/或解释为对上行链路传输资源的请求,因此有时称为上行链路请求报告。
各种实施例是关于报告传输待办事项信息。在某些这类实施例中,无线通信装置维持并更新对应于多个不同传输请求群组的传输待办事项信息。不同请求群组可对应于不同上行链路业务队列。对于请求报告机会来说,所述通信装置依据以下从所述多个不同传输请求群组中选择请求群组:相对于先前所报告请求的请求群组的待办事项改变,虑及所述改变的基站知识(例如,传输资源的基站分配)及请求群组优先级信息。产生请求报告,从而传递对应于所述选择请求群组的待办事项信息,所述所产生报告是通过无线通信链路来传输。
依据各种实施例报告传输待办事项信息的实例性方法包含:维持对应于多个不同传输请求群组的待办事项信息;及从为之维持待办事项信息的所述多个不同传输请求群组中选择请求群组,其中在考虑由于传输资源的基站分配所致的待办事项改变之后依据相对于先前所报告待办事项信息的请求群组的待办事项改变来实施所述选择。
各种实施例也是关于无线通信装置,例如诸如移动节点的无线终端。实例性无线通信装置希望用于无线通信系统并使用多个所支持报告替代形式中的一者向基站传送传输待办事项信息。所述实例性无线通信装置包括:传输待办事项管理模块,其用于维持对应于多个不同传输请求群组的待办事项信息;及选择模块,其用于从为之维持待办事项信息的所述多个不同传输请求群组中选择请求群组,其中在考虑由于传输资源的基站分配所致的待办事项改变之后依据相对于先前所报告待办事项信息的请求群组的待办事项改变来实施所述选择。
尽管在上述发明内容中已论述各种实施例,但应了解未必所有实施例均包含相同特征且上述某些特征并非必需而在某些实施例中可能需要。在以下详细说明中论述许多额外特征、实施例及好处。
附图说明
图1是依据各种实施例所实施的实例性无线通信系统的图示。
图2是依据各种实施例的实例性无线终端(例如移动节点)的图示。
图3是依据各种实施例的实例性基站的图示。
包含图4A、图4B、图4C及图4D的组合的图4是一种报告传输待办事项信息的实例性方法的流程图的图示。
包含图5A、图5B、图5C、图5D、图5E及图5F的组合的图5是一种操作无线通信装置以报告传输待办事项信息的实例性方法的流程图的图示。
图6是在实例性正交频分多路复用(0FDM)多址无线通信系统内呈实例性上行链路时序及频率结构的实例性上行链路专用控制信道(DCCH)段的图示。
图7包括实例性DCCH报告结构中所使用的一组实例性专用控制信道报告(DCR)的表。
图8是图解说明包括图9的专用控制信道报告的实例性专用控制信道报告格式的图示。
图9是包括说明实例性4位上行链路业务请求报告(ULRQST4)的实例性格式的表及一说明报告替代形式的列的图示。
图10是包括说明实例性4位上行链路业务请求报告(ULRQST4)的另一个实例性格式的表及一说明报告替代形式的列的图示。
图11是图解说明实例性无线终端内的三个实例性请求群组的图示。
具体实施方式
图1是依据各种实施例所实施的实例性无线通信系统100的图示。实例性无线通信系统100是(例如)使用专用控制信道上行链路报告结构的正交频分多路复用(OFDM)多址无线通信系统,所述结构包括至少某些固定大小多位请求报告。所述固定位大小请求报告可用于报告传输待办事项信息,例如关于一队列或队列组的等待传输信息的帧数量。待办事项报告可提供关于一个或多个请求群组的信息,其中不同请求群组对应于可用于存储将传输信息的不同队列或队列组。
实例性无线通信系统100包括多个基站(基站1102、…、基站M104)。每一基站(102、104)分别具有对应无线覆盖区域(小区1106、小区M108)。系统100还包括网络节点118,其分别经由网络链路(120、122)耦合到基站(102、104)。网络节点118还经由链路124耦合到其它网络节点及/或因特网。网络链路(120、122、124)是(例如)光纤链路。系统100还可包括具有多个扇区的小区及/或使用多个载波的小区。
系统100还包括多个无线终端。所述无线终端中的至少某些无线终端是可遍及所述通信系统移动的移动节点。在图1中,无线终端(WT1110、WT N112)位于小区1106内并分别经由无线链路(126、128)耦合到基站1102。在图1中,无线终端(WT 1′114、WT N′116)位于小区M108内并分别经由无线链路(130、132)耦合到基站M104。依据各种实施例,所述无线终端中的至少某些无线终端将请求报告格式用于(例如)固定位大小上行链路业务信道请求报告,从而允许所述无线终端在报告替代形式之间选择将要传输的请求报告,所述报告替代形式对应于至少两个不同请求群组。例如,实例性4位上行链路业务信道请求报告格式可包括16个不同位样式,且所述16个映射样式的第一子集可与映射请求群组1帧计数待办事项信息相关联,而所述16个位映射样式的第二子集可与映射请求群组2帧计数待办事项信息相关联,且所述16个位映射样式的第三子集可与映射请求群组3帧计数待办事项信息相关联,所述第一及第二及第三子集是非重迭。继续所述实例,所述无线终端针对既定报告机会选择于其上报告待办事项信息的所述请求群组中的一者。在某些实施例中,依据以下实施所述选择:请求群组中待办事项改变、请求群组中是否存在信息、先前请求报告、及/或基站先前指派。
图2是依据各种实施例的实例性无线终端200(例如移动节点)的图示。实例性无线终端200是(例如)手持移动通信装置。实例性无线终端200可以是图1的系统100的所述无线终端110、112、114、116中的任一者。
实例性无线终端200包括经由总线212耦合在一起的接收器模块202、传输器模块204、处理器206、用户I/O装置208及存储器210,所述各种元件可透过总线212交换数据及信息。存储器210包括例程214及数据/信息216。处理器206(例如CPU)执行例程214及存储器210内的数据/信息216以控制无线终端200的操作并实施方法。
接收器模块202(例如OFDM接收器)耦合到接收天线203,经由接收天线203所述无线终端从基站接收下行链路信号。所述接收的下行链路信号包括传递上行链路业务信道段指派的指派信号。
传输器模块204(例如OFDM传输器)耦合到传输天线205,经由传输天线205所述无线终端向基站传输上行链路信号。所述上行链路信号包括专用控制信道段信号及业务信道段信号。所述专用控制信道段信号中的至少某些专用控制信道段信号传递对业务信道空中链路资源的上行链路请求报告,例如1位上行链路业务信道请求报告、3位上行链路业务信道请求报告及4位上行链路业务信道请求报告。在某些实施例中,将相同天线用于接收器及传输器。
诸如扩音器、小键盘、键盘、开关、相机、扬声器、显示器等用户I/O装置208允许无线终端200的用户输入数据/信息并存取输出数据/信息。用户I/O装置208还允许无线终端200的用户控制无线终端200的至少某些功能,例如开始或终止通信会话及/或应用程序。
例程214包括传输待办事项管理模块218、选择模块220、报告产生模块222及传输控制模块224。传输待办事项管理模块218包括待办事项更新模块226。选择模块220包括主选择模块228及缺省选择模块230。缺省选择模块230包括一个或多个替代缺省选择模块(循环选择模块232、优先级排序选择模块234)。
传输待办事项管理模块218维持对应于多个不同传输请求群组的待办事项信息。待办事项更新模块226依据所接收的待传输信息、所丢弃信息及所传输信息中的至少一者更新所述所维持的待办事项信息。
选择模块220从为之维持待办事项信息的多个不同传输请求群组中选择请求群组,其中在考虑由于传输资源的基站分配所致的待办事项改变之后依据相对于先前所报告待办事项信息的请求群组的待办事项改变来实施所述选择。例如,对于特定类型n位上行链路业务信道请求报告(例如4位上行链路业务信道请求报告)的多个请求机会中的每一者,选择模块220实施选择,从而识别针对所述报告机会将于其上传递待办事项信息的请求群组。
在某些实施例中,当在考虑由于传输资源的基站分配所致的待办事项改变之后,所述传输请求群组中的至少一者相对于传递所述特定请求群组待办事项信息的最后所报告请求报告具有非零待办事项改变时,主选择模块228从在考虑由于传输资源的基站分配所致的待办事项改变之后具有相对于传递所述特定请求群组待办事项信息的最后所报告请求报告的非零待办事项改变的所述请求群组中选择具有最高优先级的请求群组。
在某些实施例中,当在考虑由于传输资源的基站分配所致的待办事项改变之后,所述传输请求群组中的至少一者具有相对于传递所述特定请求群组待办事项信息的最后所报告请求报告正待办事项改变时,主选择模块228从在考虑由于传输资源的基站分配所致的待办事项改变之后具有相对于传递所述特定请求群组待办事项信息的最后所报告请求报告的正待办事项改变的所述请求群组中选择具有最高优先级的请求群组。
在某些实施例中,当在考虑由于传输资源的基站分配所致的待办事项改变之后,所述传输请求群组中的至少一者具有正待办事项及相对于传递所述特定请求群组待办事项信息的最后所报告请求报告的非负待办事项改变时,主选择模块228从在考虑由于传输资源的基站分配所致的待办事项改变之后具有正待办事项及相对于传递所述特定请求群组待办事项信息的最后所报告请求报告的非负待办事项改变的所述请求群组中选择具有最高优先级的请求群组。
在某些实施例中,当在考虑由于传输资源的基站分配所致的待办事项改变之后,所述个别请求群组中没有一个具有相对于传递所述特定个别请求群组待办事项信息的最后所报告请求报告的非零待办事项改变时,缺省选择模块230从所述多个请求群组中选择请求群组。
在某些实施例中,当在考虑由于传输资源的基站分配所致的待办事项改变之后,所述个别请求群组中没有一个具有相对于传递所述特定个别请求群组待办事项信息的最后所报告请求报告的正待办事项改变时,缺省选择模块230从所述多个请求群组中选择请求群组。
在某些实施例中,当在考虑由于传输资源的基站分配所致的待办事项改变之后,所述个别请求群组中没有一个具有正待办事项及相对于传递所述特定个别请求群组的待办事项信息的最后所报告请求报告的非负待办事项改变时,缺省选择模块230从所述多个请求群组中选择请求群组。
循环选择模块232依据循环选择过程实施用于缺省选择模块230的选择。图5E的流程图533表示循环选择过程的实例。优先级排序选择模块234依据优先级排序选择过程实施用于缺省选择模块230的选择。图5E的流程图531表示优先级排序选择过程的实例。
在某些实施例中,缺省选择模块230有时确定应报告在所述请求群组中的任一者内不存在任何待办事项。
报告产生模块222依据N位大小请求报告格式信息236及对应于信息252所指示的选择请求群组的信息254所指示的报告替代形式来产生n位大小请求报告。
传输器模块204通过无线通信链路(例如)向用作所述无线终端的当前网络连接点的基站传输所述产生的n位大小请求报告。传输控制模块224控制传输器模块204的操作以控制所述产生的n位大小请求报告通过无线通信链路的传输。
数据/信息216包括N位大小(例如4位)请求报告格式信息236、专用控制信道报告结构信息238、多个请求群组通信队列(请求群组1通信队列240、…、请求群组m通信队列242)、多个请求群组优先级信息(请求群组1优先级信息244、…、请求群组m优先级信息246)、多个请求群组队列统计信息(请求群组1队列统计信息248、…、请求群组m队列统计信息250)、所选择请求群组信息252、所选择报告替代形式信息254及产生的上行链路请求报告信息256。N位大小报告格式信息236包括多组报告替代形式位映射信息(报告替代形式1位映射信息258、…、报告替代形式X位映射信息260)。请求群组1队列统计信息248包括帧计数N[1]262及增量(delta)帧计数ΔN[1]264。请求群组m队列统计信息250包括帧计数N[m]266及增量帧计数ΔN[m]269。
图9表示某些实施例中所使用的实例性N位大小请求报告格式信息236的实例。图10表示某些实施例中所使用的实例性N位大小请求报告格式信息236的另一个实例。在各种实施例中,所述n位大小请求报告格式信息支持多个报告替代形式,不同报告替代形式对应于不同请求群组。
专用控制信道(DCCH)报告结构信息238包括识别DCCH逻辑信道音调、DCCH段、不同报告类型至段的映射的信息及循环报告结构中的相关联时序。所述DCCH报告结构内的所述不同类型报告包括依据N位大小请求报告格式信息236的请求报告类型。图6、7及8包括某些实例性DCCH报告结构信息。
请求群组通信队列(请求群组1通信队列240、…、请求群组m通信队列242)是用于存储将要传输数据的多个通信队列,其中每一请求群组对应于一个通信队列。在某些实施例中,所述不同请求群组中的至少某些请求群组对应于一组通信队列。请求群组优先级信息(请求群组1优先级信息244、…、请求群组m优先级信息246)是与所述不同请求群组相关联的存储的请求群组优先级信息。在某些实施例中,依据请求群组优先级信息来实施报告替代形式的选择。在各种实施例中,所述请求群组优先级是预定的。请求群组队列统计信息(请求群组1队列统计信息248、…、请求群组m队列统计信息250)分别包括待办事项的帧计数(例如待办事项的MAC帧计数)(N[1]262、…、N[m]266),其分别对应于(请求群组1通信队列240、…、请求群组m通信队列242)。请求群组队列统计信息(请求群组1队列统计信息248、…、请求群组m队列统计信息250)分别包括待办事项的增量帧计数(例如待办事项的增量MAC帧计数)(ΔN[1]264、…、ΔN[m]269),其分别对应于(请求群组1通信队列240、…、请求群组m通信队列242)。请求群组的增量帧计数信息(例如请求群组1的ΔN[1]264)是在考虑由于基站知识(例如传输资源的基站分配)所致的变化之后相对于所述请求群组的最后传输的待办事项信息所计算。选择模块220使用队列统计信息(248、…、250)来确定所选择请求群组。
所选择请求群组信息252(也就是模块220的输出及模块222的输入)是(例如)识别已由选择模块220选择所述m个请求群组中的哪个请求群组的识别码。在某些实施例中,所选择请求群组信息有时指示所述请求群组中没有任一者具有待办事项。对应于所选择请求群组信息252的所选择报告替代形式信息254依据请求报告格式信息236来识别所述X报告替代形式中的一者。产生的上行链路请求报告信息256是报告产生模块222的输出。例如,如果所述上行链路请求报告是四位上行链路请求报告,则所述报告是16个不同位样式中的一者。
图3是依据各种实施例的实例性基站300的图示。实例性基站300可以是图1的系统100的所述实例性基站(BS 1 102、…、BS M 104)中的任一者。基站300包括经由总线316耦合在一起的接收器模块304、传输器模块308、处理器310、I/O接口312及存储器314,所述各种元件可透过总线316交换数据及信息。存储器314包括例程318及数据/信息320。处理器310(例一CPU)执行例程318并使用存储器314内的数据/信息320以控制无线终端300的操作并实施方法。
接收器模块304(例如,OFDM接收器)耦合到接收天线302,经由接收天线302所述基站从无线终端接收上行链路信号,所述接收的上行链路信号包括专用控制信道段信号,所述专用控制信道段信号中的至少某些专用控制信道段信号传递业务信道请求报告。接收的上行链路信号还包括业务信道段信号。传输器模块308(例如OFDM传输器)耦合到传输天线306,经由传输天线306所述基站向无线终端传输下行链路信号,所述下行链路信号包括传递对上行链路业务信道段的指派的指派信号。I/O接口312将所述基站耦合到其它网络节点,例如其它基站及/或因特网。因而,I/O接口312通过将基站300耦合到中继网络而允许使用基站300的连接点的无线终端参加与使用不同基站作为其网络连接点的对等节点(例如另一个无线终端)的通信会话。
例程318包括请求报告信息恢复模块322、调度器模块324、请求群组推理模块326及请求群组更新模块327。请求报告信息恢复模块322使用包括N位大小请求报告格式信息334的数据/信息320以从接收的请求报告(例如,上行链路专用控制信道段中所传送的业务信道资源的4位请求报告)来获得所恢复信息。例如,对应于WT 1,所述所恢复信息包括来自处理的请求报告342的所恢复信息。所述请求报告的所述信息位可以是多个(例如16个)不同样式中的一者,且所述特定位样式经解释以表明一个请求群组或一组请求群组在待办事项内具有特定数量的帧或在其待办事项内具有在范围内的多个帧。例如考虑请求报告格式对应于图10的请求报告格式的实例,位样式=0010可表示请求群组1在其等待传输的待办事项内具有2个帧。
调度器模块324向无线终端调度上行链路及下行链路业务信道段。例如,调度器模块324响应于从在操作开启状态下的使用基站300作为当前网络连接点的无线终端所接收的在固定位大小上行链路业务信道请求报告(例如ULRQST4报告)内所传送的请求来调度上行链路业务信道段。指派的上行链路业务信道段信息350对应于对WT1的调度器324指派,例如识别指派给WT1的特定索引上行链路业务信道段的信息。
请求群组推理模块326实施关于在所述接收的请求报告内未直接报告的请求群组的推理。例如,考虑到所述预定请求群组优先级信息336识别具有比请求群组2或请求群组3高的预定优先级的请求群组1,且所述报告规则是使得无线终端在考虑基站知识(例如上行链路段的基站先前分配)之后报告具有正增量待办事项的最高优先级群组的待办事项。如果在这类情形下,所述基站接收传递关于请求群组2的信息的报告,则所述基站可推理请求群组1不具有正增量待办事项。
请求群组更新模块327使用从恢复模块322所获得的所恢复信息(例如信息342)及从推理模块326所获得的所推理信息(例如信息344)以更新对应于无线终端的请求群组信息组,例如(请求群组1信息346、…、推断请求群组m信息348)。例如,请求群组更新模块327载入新的请求群组帧计数,修改请求帧计数,及/或清空关于一个或多个请求群组信息组(例如(请求群组1信息346、…、推断请求群组m信息348))的请求群组计数。
数据/信息320包括多组无线终端数据/信息(WT 1数据/信息328、…、WT N数据/信息330)、专用控制信道报告结构信息332、N位大小请求报告格式信息334及预定请求群组优先级信息336。WT 1数据/信息328包括来自处理的请求报告的所恢复信息342、关于请求群组的所推理信息344、多组请求群组信息(请求群组1信息346、…、请求群组m信息348)及指派的上行链路业务信道段信息350。
N位大小(例如4位大小)报告格式信息334包括用于多个位样式的解释信息(位样式1的解释信息338、…、位样式2N的解释信息340)。例如,在一个实例性实施例中(其中N=4),存在16个不同位样式(0000、0001、…、1111),其中每一位样式具有在所述报告内所传递的信息的不同解释。
预定请求群组优先级信息336包括使不同上行链路业务请求群组与不同预定优先级相关联的信息。在某些实施例中,不同无线终端具有与所使用请求群组相关联的不同排序。
专用控制信道(DCCH)报告结构信息332包括识别DCCH逻辑信道音调、DCCH段、不同报告类型至段的映射的信息及循环报告结构中的相关联时序。在所述DCCH报告结构内的所述不同类型的报告包括依据N位大小请求报告格式信息334的请求报告类型。
包含图4A、图4B、图4C及图4D的组合的图4是可由无线通信装置实施的报告传输待办事项信息的实例性方法的流程图400的图示。例如,在实例性OFDM多址无线通信系统内的实例性无线终端(例如移动节点)可实施流程图400的方法以向基站报告关于上行链路业务的不同传输请求群组的待办事项信息。在某些实施例中,每一请求群组对应于用于存储将要传输信息的请求群组队列。所述实例性方法在步骤402开始,例如在所述步骤中无线终端开机并初始化。操作从开始步骤402进行到步骤404。
在步骤404,所述通信装置维持对应于多个不同传输请求群组的待办事项信息。待办事项信息包括(例如)对应于请求群组的等待传输帧计数,例如MAC帧计数。操作从步骤404进行到步骤406。
在步骤406,所述通信装置从为之维持待办事项信息的多个不同传输请求群组中选择请求群组,其中在考虑由于传输资源的基站分配所致的待办事项改变之后依据相对于先前所报告待办事项的请求群组的待办事项改变来执行所述选择。在步骤406,包括三种实例性替代选择方法(替代A选择方法414、替代B选择方法416、替代C选择方法418)。
在替代A选择方法414(参见图4B)中,所述通信装置在子步骤420确定在考虑由于传输资源的基站分配所致的待办事项改变之后所述传输请求群组中的至少一者是否具有相对于传递所述特定请求群组待办事项信息的最后所报告请求报告的非零待办事项改变。如果在子步骤420确定所述请求群组中的至少一者具有非零改变,则操作从子步骤420进行到子步骤422;否则,操作从子步骤420进行到子步骤424。
在子步骤422,所述通信装置在考虑由于传输资源的基站分配所致的待办事项改变之后从具有相对于传递所述特定请求群组待办事项信息的最后传输的请求报告的非零待办事项改变的所述请求群组中选择具有最高优先级的请求群组。在子步骤424,所述通信装置从所述多个不同请求群组中选择请求群组。子步骤424包括两个替代性子步骤:子步骤426及子步骤428。在子步骤426,所述通信装置依据循环选择过程来选择请求群组。在子步骤428,所述通信装置依据优先级排序选择过程来选择请求群组。
在替代B选择方法416(参见图4C)中,所述通信装置在子步骤430确定在考虑由于传输资源的基站分配所致的待办事项改变之后所述传输请求群组中的至少一者是否具有相对于传递所述特定请求群组待办事项信息的最后所报告请求报告的正待办事项改变。如果在子步骤430确定所述请求群组中的至少一者具有一正变化,则操作从子步骤430进行到子步骤432;否则,操作从子步骤430进行到子步骤434。
在子步骤432,所述通信装置在考虑由于传输资源的基站分配所致的待办事项改变之后从具有相对于传递所述特定请求群组待办事项信息的最后传输的请求报告的正待办事项改变的所述请求群组中选择具有最高优先级的请求群组。在子步骤434,所述通信装置从所述多个不同请求群组中选择请求群组。子步骤434包括两个替代性子步骤:子步骤436及子步骤438。在子步骤436,所述通信装置依据循环选择过程来选择请求群组。在子步骤438,所述通信装置依据优先级排序选择过程来选择请求群组。
在替代C选择方法418(参见图4D)中,所述通信装置在子步骤440确定在考虑由于传输资源的基站分配所致的待办事项改变之后所述传输请求群组中的至少一者是否具有正待办事项及相对于传递所述特定请求群组待办事项信息的最后所报告请求报告的非负待办事项改变。如果在子步骤440确定所述请求群组中的至少一者具有正待办事项及非负待办事项改变,则操作从子步骤440进行到子步骤442;否则,操作从子步骤440进行到子步骤434。
在子步骤442,所述通信装置在考虑由于传输资源的基站分配所致的待办事项改变之后从具有正待办事项及相对于传递所述特定请求群组待办事项信息的最后传输的请求报告的非负待办事项改变的所述请求群组中选择具有最高优先级的请求群组。在子步骤444,所述通信装置从所述多个不同请求群组中选择请求群组。子步骤444包括两个替代性子步骤:子步骤446及子步骤448。在子步骤446,所述通信装置依据循环选择过程来选择请求群组。在子步骤448,所述通信装置依据优先级排序选择过程来选择请求群组。
回到图4A,操作从步骤406进行到步骤408。在步骤408,所述通信装置产生请求报告(例如N位大小上行链路请求报告),其报告对应于所述所选择请求群组的待办事项信息。在某些实施例中,所述所选择请求群组对应于n位大小请求报告格式的多个支持的报告替代形式中的一者,不同报告替代形式对应于不同请求群组,且所述产生的n位大小请求报告是依据所述n位大小请求报告格式及对应于所述选择请求群组的所述报告替代形式。
操作从步骤408进行到步骤410。在步骤410,所述通信装置通过无线通信链路来传输所述产生的请求报告(例如N位大小请求报告)。
操作从步骤410进行到步骤412。在步骤412,所述通信装置依据所接收的待传输信息、所丢弃信息及所传输信息中的至少一者来更新所述维持的待办事项信息。操作从步骤412进行到步骤406,在步骤406,所述通信装置(例如)针对另一个将要传输的请求报告实施另一请求群组选择。
包含图5A、图5B、图5C、图5D、图5E及图5F的组合的图5是一种操作无线通信装置以报告传输待办事项信息的实例性方法的流程图500的图示。例如,在实例性OFDM多址无线通信系统中实例性无线终端(例如移动节点)可实施流程图500的方法以向基站报告关于上行链路业务的三个不同传输请求群组的待办事项信息。操作在步骤502开始,在所述步骤中所述通信装置开机并初始化。操作从开始步骤502进行到步骤504及步骤508。
在步骤508,所述通信装置维持对应于多个不同传输请求群组的待办事项信息。在这一实例中,所述无线终端维持对应于请求群组1(RG1)、请求群组2(RG2)及请求群组3(RG3)的待办事项信息505。每一请求群组(RG1、RG2、RG3)对应于用于存储将要传输的信息(例如欲传输上行链路业务)的请求群组队列。待办事项信息505包括(例如)对应于所述请求群组的将要传输的待办事项的帧计数,例如待办事项的MAC帧,其中N[1]是用于RG1的帧计数,N[2]是用于RG2的帧计数,而N[3]是用于RG3的帧计数。待办事项信息505还包括对应于所述请求群组的增量信息:对应于RG1的ΔN[1]、对应于RG2的ΔN[2]、及对应于RG3的ΔN[3],其中增量指示在考虑希望基站了解的待办事项改变(例如由于传输资源的基站分配所致的待办事项改变)之后相对于传递所述特定请求群组待办事项信息的最后所报告请求报告的改变。
操作从步骤504进行到步骤506。在步骤506,所述通信装置依据所接收的待传输信息、所丢弃信息及所传输信息中的至少一者来更新所述维持的待办事项信息505。步骤506是在进行中的基础上实施。
对于多个报告机会中的每一者,其报告包括请求群组1、请求群组2及请求群组3考虑的选择,操作从开始步骤502进行到步骤508。例如,在某些实施例中,每一机会是专用控制信道报告结构内的多位(例如4位)上行链路业务信道请求报告机会。步骤508使用待办事项信息505作为输入。步骤508将操作引导到报告选择子例程。图5B的图示509是实例性报告选择子例程(也就是替代1报告选择子例程)的流程图。图5C的图示511是另一个实例性报告选择子例程(也就是替代2报告选择子例程)的流程图。图5D的图示535是再一个实例性报告选择子例程(也就是替代3报告选择子例程)的流程图。
现在将说明图5B的实例性替代1报告选择子例程。替代1报告选择子例程的操作开始于步骤516,例如在步骤513所述子例程接收待办事项信息505,其包括对应于所述请求群组的增量计数信息。操作从开始步骤516进行到步骤518。
在步骤518,所述通信装置确定与请求群组1相关联的增量计数是否等于零。如果在步骤518确定ΔN[1]不等于零,则操作进行到步骤520,在步骤520,所述通信装置选择RG1作为所述所选择请求群组;否则操作从步骤518进行到步骤522。
在步骤522,所述通信装置确定与请求群组2相关联的增量计数是否等于零。如果在步骤522确定ΔN[2]不等于零,则操作进行到步骤524,在步骤524,所述通信装置选择RG2作为所述所选择请求群组;否则操作从步骤522进行到步骤526。
在步骤526,所述通信装置确定与请求群组3相关联的增量计数是否等于零。如果在步骤526确定ΔN[3]不等于零,则操作进行到步骤528,在步骤528,所述通信装置选择RG3作为所述所选择请求群组;否则操作从步骤526进行到步骤530。
在步骤530,将操作引导到缺省选择子例程。图5E的流程图531是使用优先级排序选择过程的第一替代缺省选择子例程的流程图。图5D的流程图533是使用循环选择过程的第二替代缺省选择子例程的流程图。
操作进行到步骤534,在步骤534操作从缺省选择子例程(例如从步骤554或步骤576)返回经识别的所选择请求群组或无任何待办事项的指示。操作从步骤520、524、534及528中的一者进行到步骤536。在步骤536,所述报告选择子例程结束且所述子例程返回识别的所选择请求群组或无任何待办事项的指示。
现在将说明图5C的实例性替代2报告选择子例程。替代2报告选择子例程的操作开始于步骤513,例如在步骤513所述子例程接收待办事项信息505,其包括对应于所述请求群组的增量计数信息。操作从开始步骤513进行到步骤515。
在步骤515,所述通信装置确定与请求群组1相关联的增量计数是否大于零。如果在步骤515确定ΔN[1]大于零,则操作进行到步骤519,在步骤519,所述通信装置选择RG1作为所述所选择请求群组;否则操作从步骤515进行到步骤517。
在步骤517,所述通信装置确定与请求群组2相关联的增量计数是否大于零。如果在步骤517确定ΔN[2]大于零,则操作进行到步骤523,在步骤523,所述通信装置选择RG2作为所述所选择请求群组;否则操作从步骤517进行到步骤521。
在步骤521,所述通信装置确定与请求群组3相关联的增量计数是否大于零。如果在步骤521确定ΔN[3]大于零,则操作进行到步骤525,在步骤525,所述通信装置选择RG3作为所述所选择请求群组;否则操作从步骤521进行到步骤527。
在步骤527,将操作引导到缺省选择子例程。图5E的流程图531是使用优先级排序选择过程的第一替代缺省选择子例程的流程图。图5F的流程图533是使用循环选择过程的第二替代缺省选择子例程的流程图。
操作进行到步骤529,在步骤529操作从缺省选择子例程(例如从步骤554或步骤576)返回识别的所选择请求群组或无任何待办事项的指示。操作从步骤519、523、525及529中的一者进行到步骤531。在步骤531,所述报告选择子例程结束且所述子例程返回识别的所选择请求群组或无任何待办事项的指示。
现在将说明图5D的实例性替代3报告选择子例程。替代3报告选择子例程的操作开始于步骤537,例如在步骤537所述子例程接收待办事项信息505,其包括对应于所述请求群组的计数信息及增量计数信息。操作自开始步骤537进行到步骤539。
在步骤539,所述通信装置确定请求群组1是否具有正待办事项及与所述请求群组1相关联的增量计数是否大于或等于零。如果在步骤539确定N[1]大于零且ΔN[1]大于或等于零,则操作进行到步骤543,在步骤543,所述通信装置选择RG1作为所述所选择请求群组;否则操作从步骤539进行到步骤541。
在步骤541,所述通信装置确定请求群组2是否具有正待办事项及所述请求群组2相关联的增量计数是否大于或等于零。如果在步骤541确定N[2]大于零且ΔN[2]大于或等于零,则操作进行到步骤547,在步骤547,所述通信装置选择RG2作为所述所选择请求群组;否则操作从步骤541进行到步骤545。
在步骤545,所述通信装置确定请求群组3是否具有正待办事项及与所述请求群组3相关联的增量计数是否大于或等于零。如果在步骤545确定N[3]大于零且ΔN[3]大于或等于零,则操作进行到步骤549,在步骤549,所述通信装置选择RG3作为所述所选择请求群组;否则操作从步骤545进行到步骤551。
在步骤551,将操作引导到缺省选择子例程。图5E的流程图531是使用优先级排序选择过程的第一替代缺省选择子例程的流程图。图5F的流程图533是使用循环选择过程的第二替代缺省选择子例程的流程图。
操作进行到步骤553,在步骤553操作从缺省选择子例程(例如从步骤554或步骤576)返回识别的所选择请求群组或无任何待办事项的指示。操作从步骤543、547、549及553中的一者进行到步骤555。在步骤555,所述报告选择子例程结束且所述子例程返回识别的所选择请求群组或无任何待办事项的指示。
现在将说明图5E的流程图531的缺省选择子例程(替代A)的实例性方法。所述缺省选择子例程的操作开始于步骤538并进行到步骤540。在步骤540,所述通信装置确定与请求群组1对应的帧计数是否等于零。如果确定N[1]=0,则操作从步骤540进行到步骤544;否则操作从步骤540进行到步骤542,在步骤542,所述通信装置选择RG1作为所述所选择请求群组。
在步骤544,所述通信装置确定与请求群组2对应的帧计数是否等于零。如果确定N[2]=0,则操作从步骤544进行到步骤548;否则操作从步骤544进行到步骤546,在步骤546,所述通信装置选择RG2作为所述所选择请求群组。
在步骤548,所述通信装置确定与请求群组3对应的帧计数是否等于零。如果确定N[3]=0,则操作从步骤548进行到步骤552;否则操作从步骤548进行到步骤550,在步骤550,所述通信装置选择RG3作为所述所选择请求群组。在步骤552,所述子例程提供对应于RG1、RG2及RG3的没有任何待办事项的指示。
操作从步骤542、546、550及552中的一者进行到步骤554。在步骤554,所述子例程结束并返回识别的所选择请求群组或无任何待办事项的指示。
现在将说明图5F的流程图533的缺省选择子例程(替代B)的实例性方法。所述缺省选择子例程的操作开始于步骤556并进行到步骤562。在步骤562,所述子例程从存储的信息560中检索存储的最后所选择请求群组,例如此子例程在所述子例程的先前迭代上所选择的最后所选择请求群组或初始值(如果此值碰巧是所述子例程的第一迭代的话)。
操作从步骤562进行到步骤564。在步骤564,确定所述存储的最后所选择请求群组是否是RG1。如果在步骤564确定所述存储的最后所选择请求群组是RG1,则操作进行到步骤566,在步骤566所述子例程选择RG2作为所述所选择请求群组;否则操作进行到步骤568。
在步骤568,确定所述存储的最后所选择请求群组是否是RG2。如果在步骤564确定所述存储的最后所选择请求群组是RG2,则操作进行到步骤570,在步骤570所述子例程选择RG3作为所述所选择请求群组;否则操作进行到步骤572。在步骤572,所述子例程选择RG1作为所述所选择请求群组,由于依据缺省RG3是存储的最后所选择请求群组。
操作从步骤566、570、572中的一者进行到步骤574。在步骤574,所述子例程基于选择步骤566、570及572中的一者来更新信息560内的所述存储的最后所选择请求群组。操作从步骤574进行到步骤576,在步骤576所述子例程结束且所述子例程返回所述识别的所选择请求群组。
回到图5A,操作进行到步骤510,在步骤510操作以经识别的所选择请求群组或报告无任何待办事项的指示而从所述报告选择子例程(例如从步骤536、步骤531及555中的一者)返回。在某些实施例中,所述所选择请求群组对应于n位大小请求报告的多个所支持报告替代形式中的一者,不同报告替代形式对应于不同请求群组。例如,所述n位大小报告可以是具有16个替代可能的4位位样式的4位报告,且与报告请求群组1待办事项相关联的第一报告替代形式可包括所述16个位样式的第一子集,与报告请求群组2待办事项相关联的第二报告替代形式可包括所述16个位样式的第二子集,而与报告请求群组3待办事项相关联的第三报告替代形式可包括所述16个位样式的第三子集,其中所述第一、第二及第三子集是不重迭。
然后在步骤512,所述通信装置产生请求报告(例如N位大小请求报告),其报告对应于所述选择请求群组的待办事项信息或报告无任何待办事项。在某些实施例中,所述产生的n位大小请求报告是依据所述n位大小请求报告格式及对应于所述选择请求群组的所述报告替代形式。
操作从步骤512进行到步骤514。在步骤514,所述通信装置通过无线通信链路来传输所述产生的请求报告,例如N位大小请求报告。
在某些实施例中,为选择所考虑的请求群组数量是两个。在某些实施例中,为选择所考虑的请求群组数量是大于三的数量,例如四、五、六、七、八或九。
图6是实例性正交频分多路复用(OFDM)多址无线通信系统呈实例性上行链路时序及频率结构的实例性上行链路专用控制信道(DCCH)段的图示600。上行链路专用控制信道用于从无线终端向基站发送专用控制报告(DCR)。垂直轴602绘制逻辑上行链路音调索引而水平轴604绘制信标槽中的半时隙的上行链路索引。在这一实例中,上行链路音调区块包括索引为(0、…、112)的113个逻辑上行链路音调;在一半时隙内存在7个连续OFDM符号传输时间周期,在一超时隙内存在2个额外OFDM符号时间周期及随后的16个连续半时隙,且在一信标槽内存在8个连续超时隙。一超时隙内的前9个OFDM符号传输时间周期是接入时间间隔,而所述专用控制信道不使用所述接入时间间隔的空中链路资源。
所述实例性专用控制信道被细分成31个逻辑音调(上行链路音调索引81606、上行链路音调索引82 608、…、上行链路音调索引111 610)。所述逻辑上行链路频率结构内的每一逻辑上行链路音调(81、…、111)对应于一相对于DCCH信道(0、…、30)加索引的逻辑音调。
对于在所述专用控制信道内的每一音调,在所述信标槽内存在40个段,其对应于40列(612、614、616、618、620、622、…、624)。所述段结构是在信标槽基础上重复。对于在所述专用控制信道内的既定音调,存在对应于一信标槽628的40个段;所述信标槽的8个超时隙中的每一者包括用于所述既定音调的5个连续段。例如,对于信标槽628的第一超时隙626来说,对应于DCCH的音调0,存在5个索引式的段(段[0][0]、段[0][1]、段[0][2]、段[0][3]、段[0][4])。同样地,对于信标槽628的第一超时隙626来说,对应于DCCH的音调1,存在5个索引的段(段[1][0]、段[1][1]、段[1][2]、段[1][3]、段[1][4])。同样地,对于信标槽628的第一超时隙626来说,对应于DCCH的音调30,存在5个索引的段(段[30][0]、段[30][1]、段[30][2]、段[30][3]、段[30][4])。
在这一实例中,每一段(例如段[0][0])包括用于3个连续半时隙的音调,例如代表21个OFDM音调符号的所分配上行链路空中链路资源。在某些实施例中,逻辑上行链路音调依据上行链路音调跳跃序列而跳跃至物理音调,使得对于连续半时隙,与逻辑音调相关联的物理音调可能不同,但在既定半时隙期间保持恒定。
所述专用控制信道的每一逻辑音调可由基站指派给使用所述基站作为其当前连接点的不同无线终端。例如,当前可将逻辑音调(606、608、…、610)分别指派给(WT A630、WT B 632、…、WT N′634)。
每一上行链路DCCH段用于传输一组专用控制信道报告(DCR)。在图7的表700内提供实例性DCR的列表。表700的第一列702说明每一实例性报告的缩写名称。每一报告的名称以指定DCR的位数量的数字结束。表700的第二列704简略说明每一命名的报告。
图8是图解说明在用于(例如)对应于无线终端的既定DCCH音调的实例性信标槽内的实例性报告格式信息的图示899。在图8中,每一区块(800、801、802、803、804、805、806、807、808、809、810、811、812、813、814、815、816、817、818、819、820、821、822、823、824、825、826、827、828、829、830、831、832、833、834、835、836、837、838、839)代表在矩形区域840内索引s2(0、…、39)显示于区块上方的一个段。每一区块(例如代表段0的区块800)传递6个信息位;每一区块包括在所述段内对应于所述6位的6行,其中所述位是从最高有效位到最低有效位从顶部列至底部列而向下列出,如矩形区域843所示。
图9是包括说明实例性4位上行链路业务请求报告(ULRQST4)的实例性格式的表902及说明报告替代形式的列904的图示900。表902的列906列出用于所述报告的16个可能信息位样式,而列908列出对应于所述可能位样式中每一者所传递的所报告待办事项。例如,N[1]=2指示请求群组1在其将要传输的待办事项内具有两个帧;N[2]=4:5指示请求群组2在其将要传输的待办事项内具有4或5个帧;N[3]>=33指示请求群组3在其待办事项内具有33个或更多帧。列904指示报告替代形式A报告请求群组1、2及3不具有任何待办事项并对应于位样式0000。列904还指示:报告替代形式B报告请求群组1待办事项并对应于位样式(0001、0010及0011);报告替代形式C报告请求群组2待办事项并对应于位样式(0100、0101、0110及0111);及报告替代形式D报告请求群组3待办事项并对应于位样式(1000、1001、1010、1011、1100、1101、1110及0111)。
图10是包括说明实例性4位上行链路业务请求报告(ULRQST4)的另一个实例性格式的表1002及说明报告替代形式的列1004的图示1000。表1002的列1006列出用于所述报告的16个可能信息位样式,而列1008列出对应于所述可能位样式所传递的所报告待办事项。例如,N[1]=0指示请求群组1在其将要传输的待办事项内不具有任何帧;N[2]=3:6指示请求群组2在其将要传输待办事项内具有3、4、5或6个帧;N[3]>=33指示请求群组3在其待办事项内具有33个或更多帧。列1004指示:报告替代形式A报告请求群组1待办事项并对应于位样式(0000、0001、0010及0011);报告替代形式B报告请求群组2待办事项并对应于位样式(0100、0101、0110及0111);及报告替代形式C报告请求群组3待办事项并对应于位样式(1000、1001、1010、1011、1100、1101、1110及0111)。
图11是图解说明实例性无线终端内的三个实例性请求群组的图示1100。在某些实施例中,图11的信息是作为无线终端200的数据/信息216的一部分而包括。列1102说明请求群组1具有用于上行链路业务的队列、其队列的当前帧计数N[1]、最后所报告帧计数NRPTOLD[1]、对基站分配的帧计数调整NBSADJ[1]及增量帧计数ΔN[1]。在对应于所述请求群组的报告内传输的最后报告帧计数NRPTOLD[1]可采用相同类型的请求报告(例如相同的位大小请求报告)或不同类型的请求报告(例如不同位大小请求报告)来传送。所述基站调整值NBSADJ[1]可对应于用于传递请求群组1信息的帧的上行链路业务信道段的先前指派。在某些实施例中,ΔN[1]=(N[1]-NRPTOLD[1])-NBSADJ[1]。
列1104说明请求群组2具有用于上行链路业务的队列、其队列的当前帧计数N[2]、最后报告的帧计数NRPTOLD[2]、对基站分配的帧计数调整NBSADJ[2]及增量帧计数ΔN[2]。列1106说明请求群组3具有用于上行链路业务的队列、其队列的当前帧计数N[3]、最后报告的帧计数NRPTOLD[3]、对基站分配的帧计数调整NBSADJ[3]及增量帧计数ΔN[3]。
在某些实施例中,所述不同请求群组对应于不同类型的业务。例如,在一个实例性实施例中,请求群组1对应于控制业务,请求群组2对应于语音业务,而请求群组3对应于数据业务。在另一个实例性实施例中,请求群组1对应于语音业务,请求群组2对应于其它时间敏感业务(例如游戏业务),而请求群组3对应于相对时间敏感业务(例如包括数据文档传输业务的业务)。
尽管在OFDM系统的背景下说明,但各种实施例的方法及设备可应用于包含许多非OFDM及/或非蜂窝式系统的各种通信系统。
在各种实施例中,本文所述的节点是使用一个或多个模块来实施以执行对应于一个或多个方法的步骤,例如传输待办事项管理、请求群组选择、报告产生等。在某些实施例中,使用模块来实施各种特征。可使用软件、硬件或软件与硬件的组合来实施所述模块。许多上述方法或方法步骤可使用机器可执行指令(例如软件)来实施,所述指令包含于诸如存储器装置的机器可读媒体(例如RAM、软碟等)中以控制机器(例如具有或不具有额外硬件的通用计算机)来(例如)在一个或多个节点中实施上述方法的全部或部分。因此,在其它方面,各种实施例是关于一种机器可读媒体,其包括使机器(例如处理器及相关联硬件)执行上述方法中一个或多个步骤的机器可执行指令。
根据以上说明,所属技术领域的技术人员将会明白上述方法及设备的诸多额外变化。这类变化是视为在本发明的范围内。各种实施例(及在各种实施例中)的方法及设备可以用于CDMA、正交频分多路复用(OFDM)及/或可用于在接入节点与移动节点之间提供无线通信链路的各种其它类型的通信技术。在某些实施例中,所述接入节点实施为基站,其建立与使用OFDM及/或CDMA的移动节点的通信链路。在各种实施例中,所述移动节点实施为笔记型计算机、个人数据助理(PDA)或包含接收器/传输器电路及逻辑及/或例程的其它便携式装置,以实施各种实施例的方法。
Claims (11)
1.一种报告传输待办事项信息的方法,所述方法包含:
维持对应于多个不同传输请求群组的待办事项信息,其中不同传输请求群组对应于不同类型的业务;及
从对应于所维持的待办事项信息的所述多个不同传输请求群组中选择请求群组,其中在考虑由于基站分配传输资源所致的待办事项改变之后依据相对于先前所报告待办事项信息的请求群组待办事项改变来实施所述选择。
2.如权利要求1所述的方法,
其中所述所选择请求群组对应于n位大小请求报告格式的多个所支持报告替代形式中的一者,不同报告替代形式对应于不同请求群组;及
根据所述n位大小请求报告格式及对应于所述所选择请求群组的所述报告替代形式来产生n位大小请求报告。
3.如权利要求2所述的方法,其进一步包含:
通过无线通信链路来传输所述产生的n位大小请求报告。
4.如权利要求1所述的方法,其进一步包含:
依据所接收的待传输信息、所丢弃信息及所传输信息中的至少一者来更新所述维持的待办事项信息。
5.如权利要求4所述的方法,其中每一请求群组对应于用于存储待传输信息的请求群组队列。
6.一种无线通信装置,其包含:
传输待办事项管理模块,其用于维持对应于多个不同传输请求群组的待办事项信息,其中不同传输请求群组对应于不同类型的业务;及
选择模块,其用于从对应于所维持的待办事项信息的所述多个不同传输请求群组中选择请求群组,其中在考虑由于基站分配传输资源所致的待办事项改变之后依据相对于先前所报告待办事项信息的请求群组待办事项改变来实施所述选择。
7.如权利要求6所述的无线通信装置,其进一步包含:
存储器,其包括n位大小请求报告格式信息,所述n位大小请求报告格式信息支持多个报告替代形式,不同报告替代形式对应于不同请求群组;及
报告产生模块,其用于根据所述n位大小请求报告格式及对应于所述所选择请求群组的所述报告替代形式来产生n位大小请求报告。
8.如权利要求7所述的无线通信装置,其进一步包含:
传输模块,其用于通过无线通信链路来传输所述产生的n位大小请求报告。
9.如权利要求6所述的无线通信装置,其中所述传输待办事项管理模块包括:
待办事项更新模块,其用于依据所接收的待传输信息、所丢弃信息及所传输信息中的至少一者来更新所述维持的待办事项信息。
10.如权利要求9所述的无线通信装置,其进一步包括:
用于存储待传输信息的多个请求群组队列,每一请求群组对应于一请求群组队列。
11.如权利要求6所述的无线通信装置,其中所述无线通信装置是作为手持移动通信装置的无线终端。
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