CN105659544A - 用于控制无比率编码的消息的传输的系统、方法和设备 - Google Patents
用于控制无比率编码的消息的传输的系统、方法和设备 Download PDFInfo
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Abstract
本文公开了用于控制无比率编码的消息的传输的系统、方法和设备。用户设备(UE)可被配置为使用具有不同无线电协议的多个无线电装置接收数据对象。该数据对象可被划分为多个片段,并且这些片段在发送之前被使用随机线性网络代码编码。随机线性网络代码可以准许UE重新组装来自任何最够大的经编码分组的集合的每个片段。UE可以使用具有非常低的开销的递送控制消息来控制针对每个无线电装置的分组的流。UE可以控制针对每个片段接收的分组的数目,而无需指定哪些特定分组应当被发送。发射机可以非常低的开销发送分组,并且针对分组的编码信息可被以紧凑的形式包括在分组中。
Description
相关申请
本申请要求与2013年11月27日递交的美国临时专利申请No.61/909,938的优先权和权益,其全部内容通过引用合并于此。
技术领域
本公开涉及用于控制无比率编码的消息的传输的协议并且涉及用于编码消息的协议。
附图说明
图1是用于使用多个无线电装置向UE发送数据对象的系统的示意图。
图2是被配置为使用多个无线电装置接收数据对象的UE的示意图。
图3是被配置为向UE发送经编码分组的流的发射机的示意图。
图4是被划分为多个片段和源块的数据对象的示意图。
图5是包含要递送到UE的经编码有效负载的分组的示意图。
图6是用于控制来自一个或多个发射机的经编码分组的流的方法的流程图。
图7是用于基于来自UE的指令将分组递送到UE的方法的流程图。
图8是能够经由多个无线电装置接收流送数据的UE的示意图。
具体实施方式
无线移动通信技术使用各种标准和协议来在基站和无线移动设备之间传输数据。无线通信系统标准和协议可包括例如第3代合作伙伴计划(3rdGenerationPartnershipProject,3GPP)长期演进(longtermevolution,LTE);电气和电子工程师协会(InstituteofElectricalandElectronicsEngineers,IEEE)802.16标准,在工业集团中通常被称作全球微波接入互操作性(WiMAX);以及IEEE802.11标准,在工业集团中通常被称作Wi-Fi。在LTE系统中的3GPP无线接入网络(RAN)中,基站能够包括演进型通用陆地无线接入网(EvolvedUniversalTerrestrialRadioAccessNetwork,E-UTRAN)节点B(NodeB)(也被称作演进型节点B、增强型节点B、eNodeB、或eNB),和/或E-UTRAN中与无线通信设备(被称作用户设备(UE))通信的无线网络控制器(RadioNetworkControllers,RNC)。演进型分组核心(EPC)可以将E-UTRAN可通信地耦合到外部网络(比如,互联网)。LTE网络包括提供高数据速率、低延迟、分组优化、以及提升的系统容量和覆盖的无线接入技术和核心无线电网络架构。在LTE网络中,E-UTRAN可以包括多个eNodeB并且可以与多个UE通信。
UE可经由多个无线电装置可通信得耦合到互联网,并且每个无线电装置可以使用不同的无线电协议。例如,UE可以通过根据LTE协议经由E-UTRAN并且根据802.11协议经由Wi-Fi连接到互联网。在替代的实施例中,UE可通过一个或多个有线连接被耦合。UE可能够使用多个无线电装置来从源服务器流送数据,这允许可比这些无线电装置被分开使用的情形更快速的下载。传统上,UE不得不协调那些分组被每个无线电装置接收以防止重复的分组被接收。UE可被要求使用显著的处理和通信开销来跟踪哪些分组被接收并且在无线电装置之间委派尚未被接收的分组。
线性网络代码可被用于在向UE发送之前对分组进行编码。线性网络代码可以是随机线性网络代码、喷泉码、和/或其他。随机线性网络代码可允许数据的片段被从任何足够大的接收到的分组的集合中解码,接收到的分组的集合最够大以至于特定分组被接收和/或丢失是不重要的。在分组被发送到UE的每个无线电装置之前对其进行编码可以避免协调那些分组被发送的需求。只要每个发射机正在发送不同分组,UE就只需要确保它结束到足够解码数据片段的分组。因此,如果发射机使用随机线性网络代码,则UE可以节省处理和/或通信资源。由每个发射机用于随机线性网络代码的初始种子可被随机地确定以尝试避免对相同分组的发送。
UE可以使用轻量级协议来控制由发射机对分组的发送。轻量级协议可以只包括从UE发送到发射机的三种类型的消息:传输控制消息、半终止消息(例如,片段完成消息)、以及终止消息(例如,连接终止消息)。UE可以向每个发射机发送传输控制消息以向发射机指示什么应当被发送。例如,传输控制消息可以指示应当被发送的最大数目的分组、分组应当被从哪个片段导出、分组应当被如何编码、指示传输控制消息应当被发送的顺序的序列号、和/或其他。序列可以使用接收机中的编码器的状态来生成。通过提前指定分组的最大数目,UE可以避免在它决定不再需要分组时由大量的分组还在途中,并可因此降低带宽使用量。发射机可能够同时发送来自不止一个片段的分组。因此,UE可发送多个传输控制消息,这些传输控制消息指定分组将从其被导出的多个片段。不同发射机可以发送从不同片段导出的分组和/或从相同片段导出的分组。
一旦UE已经接收到足够的分组来解码片段,该UE即可以发送指示不应当再发送从该片段导出的额外的分组的半终止消息。例如,当UE能够解码片段时,发射机可能尚未达到传输控制消息中所指定的分组的最大数目,从而UE可以发送半终止消息以阻止发射机由于继续发送分组直到达到最大数目而使用额外的资源。当半终止消息被接收时,发射机可以继续发送针对任何其他片段的分组。如果UE不能解码片段但是所有发射机已经达到要发送的分组的最大数目,则UE可以向(一个或多个)发射机发送一个或多个额外的传输控制消息。基于传输控制消息的序列号,(一个或多个)发射机可以确定最近的传输控制消息并从而解决多个接收到的消息之间的冲突。因此,UE还可能够甚至在发射机发送达先前指定的最大数目之前发送传输控制消息。
当UE能够解码所有片段和/或不再想要从发射机接收分组时,UE可以发送终止消息。发射机可以响应于该终止消息停止对来自任何片段的全部分组的发送。因为UE发送有限数目的反馈消息,并且每一反馈消息包括很少的参数,所以UE的处理和通信开销可以被降低。例如,UE不需要针对接收的每个分组或甚至任何分组发送确认,从而开销将大大低于在需要确认的方案中的开销。在一些实施例中,针对每个被解码的片段将只需要每发射机的两到三个响应分组。
发射机还可以针对它们对UE的传输要求少量开销。至少一个发射机可以首先发送对将被发送的数据对象(例如,数据文件、流文件等)的大小的指示。发射机可以被配置为将数据对象拆分为多个片段并且将每个片段拆分为多个源块。在一些实施例中,源块可以等于分组的有效负载的大小。片段和/或源块的大小可被预先确定,从而UE可能够根据数据对象的大小计算片段的数目、最后的片段的大小、最后的源块的大小、和/或其他。相应地,对于UE开始确定要请求哪些片段而言,可能需要少量其他信息被发送。
由发射机发送的每个分组可以包括指示该分组是从哪个片段导出的片段索引。UE可以使用片段索引来确定每个分组应当与哪个片段相关联以进行解码。在实施例中,片段索引可以仅有两个字节。每个分组还可以包括指示被与随机线性网络代码一起用来编码来自片段的分组有效负载的参数的编码指示符。例如,编码指示符可被用于确定伪随机数生成器的初始种子。伪随机数生成器可以生成针对每个分组的有效负载的一个或多个伪随机数,并且针对每个有效负载的一个或多个编码系数可被从(一个或多个)相应的伪随机数导出。编码指示符可由UE和/或由每个发射机随机地选择,从而发射机不可能针对它们发送的分组具有相同的编码系数。分组可能不会为分组的成功传输和解码而需要另外的开销。
在实施例中,伪随机码生成器可以根据以下等式来计算伪随机码:
xk+1=4xk(1-xk),xk∈(0,1)(1)
其中xk+1是下一伪随机数并且xk是前一伪随机数。可以根据以下等式从编码指示符来计算伪随机数生成器的初始种子:
其中M∈[16,256],x0是初始种子,且α是编码指示符。M可以是每片段的源源块的数目。在数据递送是从多个发射机到单一接收机的情况下,发射机可被要求对M使用相同值。第j个经编码分组中的第i个源块的编码系数可根据以下等式从相应的伪随机数导出:
其中是第j个经编码分组中的第i个源块的编码系数,且xi是第i个伪随机数。如果编码指示符介于0和M-1之间(包括0和M-1),则相应的源块可在不进行任何编码的情况下被发送。因此,如果编码指示符对于发射机和UE两者都是已知的,则针对每个分组的编码指示符的(一个或多个)编码系数可在不进行任何进一步通信的情况下被导出。在实施例中,针对除最后的片段之外的片段的每个分组可以包括256个编码系数,并且针对最后的片段的编码系数的数目可基于其大小而被调整。
UE可以通过解算编码矩阵来解码片段。编码矩阵的每个元素可基于伪随机数生成器来计算。在实施例中,对于除最后的片段之外的片段,编码矩阵的大小可以是256×256。对于最后的片段,每一行矢量可包括与最后的片段中的源块的数目相同的数目的元素。具有最低索引的恢复的片段应当被递送到目的地操作系统、持久存储设备、应用、和/或其他。
图1是用于使用多个发射机111、113、115向UE120发送数据对象的系统100的示意图。UE120可以通过多个天线112、114、116被可无线通信地耦合到多个发射机111、113、115。源服务器110可包含已经由UE120请求的数据对象。源服务器110可向多个发射机111、113、115提供数据对象,以使用多个不同的无线电协议递送到UE120。在一些实施例中,源服务器110可包括发射机111、113、115,或者发射机111、113、115可以与源服务器110不同。例如,发射机111、113、115可以包括术语互联网服务提供商(比如,EPC)的路由器。
发射机111、113、115可以使用协议以低开销将由随机线性网络代码编码的分组递送到UE120。在实施例中,源服务器110可以将数据对象和/或数据对象的多个部分递送到发射机111、113、115。发射机111、113、115可以控制对要递送到UE120的片段的编码。发射机111、113、115可以基于从UE120接收的反馈确定要发送那些分组以及发送多少分组。可替代地,或者另外,源服务器110可以编码分组,并且可以基于来自UE120的反馈确定要发送哪些分组。
图2是被配置为使用多个无线电装置210、220、230接收数据对象的UE200的示意图。每个无线电装置210、220、230可被配置为使用与其他无线电装置210、220、230所使用的无线电协议不同的无线电协议来从相应的发射机(未示出)接收分组。每个无线电装置210、220、230可被通信地耦合到状态机215、225、235。状态机215、225、235可将接收到的分组传送到接收缓冲器240。状态机215、225、235还可以确定将那些反馈控制分组递送到发射机。状态机215、225、235可以与接收缓冲器240通信以确定已经递送了多少分组并且确定为了解码每个片段还需要多少分组。基于由接收缓冲器240提供的信息,状态机215、225、235可确定是否向发射机发送传输控制消息、半终止消息、和/或终止消息。
接收缓冲器240可以包括针对从发射机接收的每个片段和/或针对已经解码的片段的缓冲器241、243。接收缓冲器240可以监视多少分组已经被接收以及还需要多少分组来解码片段。接收缓冲器240还可以包括用于解码每个片段的编解码信息(codec)242、244。接收缓冲器240可以基于从发射机接收的编码指示符来确定编解码信息。当接收缓冲器240已经接收到针对特定片段的足够的分组时,它可以解码该片段。例如,接收缓冲器240可以在已经接收到预定数目的分组时尝试解码片段。如果解码失败,则接收缓冲器240可以等待和/或请求另外的分组并再次尝试。可替代地,或另外,接收缓冲器240可以在每次新分组被接收时执行何种解码是可能的。
接收缓冲器240可以通过解算片段的矩阵来解码片段。解码矩阵中的每个元素可由接收缓冲器基于从编码指示符生成的伪随机数来进行计算。一旦片段已经被解码或者整个数据对象已经被解码,接收缓冲器240就可以使用本地通信接口250将该片段和/或数据对象提供给操作系统、持久存储设备、应用、和/或其他。在实施例中,接收缓冲器240可以在解码期间递送具有最低索引的恢复的片段。
图3是被配置为向UE(未示出)发送经编码分组的流的发射机300的示意图。发射机300可包括单一无线电装置310以将经编码分组的流发送到相应的UE的无线电装置(例如,无线电装置210、220、230之一)。无线电装置310可被通信地耦合到状态机315。状态机315可记录UE已经请求了多少分组、这些分组是从那些片段被请求的、已经发送了多少分组、和/或是否已经接收到终止消息。如果状态机315确定更多的分组应当被递送到UE,则状态机315可以从发射缓冲器340请求分组,并且可以将来自发射缓冲器340的分组提供给无线电装置310。
发射缓冲器340可以负责缓冲和编码这些片段以递送到UE。发射缓冲器340可接收将要经由本地通信接口350传输的数据对象。发射缓冲器340可以将数据对象划分为多个片段,并且可以将每个片段或当前正被发送的每个片段存储在其自己的缓冲器341、343中。发射缓冲器340可以确定针对每个缓冲器的编解码信息342、344以编码片段。发射缓冲器340可以使用针对片段的编解码信息342、344来编码片段。发射缓冲器340可以基于从状态机315接收的指令确定要生成多少经编码分组。发射缓冲器340可以使经缓冲的片段341、343准备好进行另外的编码直到接收到半终止消息。
图4是被划分为多个片段410、420、430和源块(sourceblock)411、412、413的数据对象400的示意图。每个发射机可以将数据对象400划分为具有预定大小的多个片段410、420、430。例如,每个片段410、420、430可以包括预定数目的源块411、412、413,并且每个源块411、412、413可以具有预定大小。在所示出的实施例中,每个源块411、412、413是1024字节,并且每个片段包含64个源块。最末的源块和/或最末的片段可被填充有零。这些零可在编码和解码过程中被使用,但是可能不会被以其他方式发送到UE。在实施例中,片段的最大数目可以是65,536。每个发射机和接收机可以将数据对象划分为相同大小的片段和源块。因此,仅需要数据对象的大小就可以确定片段的数目以及最后的片段和最后的源块的大小。发射机可以知道数据对象400的大小,因为每个发射机可以包括数据对象400的副本。一个或多个发射机可以向接收机指示数据对象的大小,从而接收机知道多少片段正被发送以及最后的片段和最后的资源块的大小。
图5是包含要递送到UE的经编码有效负载506的分组500的示意图。分组500可以被配置为具有非常小的开销,所以它仅包括片段索引502、编码指示符504、以及经编码有效载荷506。在一些实施例中,分组500可以包括序列号。可替代地,或另外,接收机可以使用来自较低等级协议(比如,用户数据报协议(UDP))的序列号来确定哪一分组正被接收。片段索引502可以指示经编码有效载荷506是从哪一片段导出的。每个发射机可能正在发送从不止一个片段导出的分组。相应地,片段索引502可以允许接收机将接收到的分组与正确的片段相关联。在所示出的实施例中,片段索引502具有两个字节,从而允许存在最多65536个片段。在其他实施例中,片段索引502可以具有更多或更少的比特。
编码指示符504可以允许接收机确定一个或多个编码系数,一个或多个编码系数被用于编码每个分组中的有效载荷506。在实施例中,编码指示符504可由每个发射机针对正被发送的每个分组随机地选择。编码指示符504可被用于例如根据等式2确定伪随机数生成器的初始种子。多个伪随机数可例如根据等式1从该初始种子被生成。伪随机数可被用于例如根据等式3计算编码系数。只要发射机和UE使用相同的等式,就能够仅从编码指示符带出全部编码系数。因此,发射机和接收机可以使用相同的编码系数来进行编码和解码,但是在所示出的实施例中,仅需要两个字节来表达全部编码系数。在替代的实施例中,编码指示符可以包括更多或更少的比特。
经编码有效载荷506可被基于编码系数从片段计算得出。在所示出的实施例中,经编码有效载荷具有与源块相同的大小。在其他实施例中,经编码有效载荷和/或整个分组500可以包括另外的误差校正为从而可能大于源块。分组500可通过较低层协议被封装在包含附加字段的分组中。分组500可能不需要除上面所示的字段之外的任何字段。相应地,分组500可以包括非常小的开销,从而可以最大化分组500的传输期间的通信资源。
图6是用于控制来自一个或多个发射机的经编码分组的流的方法600的流程图。方法600可以开始于接收(602)关于将从源被发送的数据对象的信息。关于将被发送的数据对象的信息可以包括数据对象的大小、对象的哈希(hash)、对象的标识信息、一个或多个发射机的标识信息、和/或其他。片段参数可被从接收到的信息确定(604)。例如,片段的数目可被计算作大小除以65536的上限,最后的片段中的源块的数目可被计算作大小除以1024减去64乘以比片段的数目小一的数的上限,并且最后的资源块中的字节的数目可被计算作大小除以1024的余数。
一旦在604确定了片段参数,针对第一片段的传输控制消息可被发送(606)到发射机。除其他外,传输控制消息可以指示应当被发送的分组的最大数目、分组应当针对其被发送的片段、和/或其他。针对第一片段的另外的传输控制消息也可被发送(606)到其他发射机。从第一片段导出的经编码分组可响应于传输控制消息而被接收(608)。
如果发射机和/或接收机具有发送/接收来自另外的片段的分组的能力,则针对第二片段的传输控制消息可被发送(610)到发射机。另外的传输控制消息还可以或者可以替代地被发送到其他发射机。传输控制消息可以指示从第二片段导出的分组应当被发送,并且可以指示应当被发送的最大数目的分组。来自第一片段和第二片段的经编码分组可继续被接收。
发射机可以达到针对第一片段的分组的最大数目,从而可以停止发送分组。然而,接收到的分组可能不足以解码第一片段。因此,针对第一片段的另一传输控制消息可被发送(612)到发射机。该传输控制消息可以再次指示将要发送(612)的分组的最大数目。例如,据信对成功解码而言必要的分组的数目可被指示。
解码第二片段的足够数目的分组可被接收。针对第二片段的半终止消息可被发送(614)到发射器。半终止可被发射器理解为指示针对第二片段不需要另外的分组。在一些实施例中,方法600可另外地包括在半终止消息被发送之前确定第二片段能够被解码。第二片段然后可被从已经接收的经编码分组解码(616)。
足够数目的分组可被接收以解码第一片段。另外,全部片段已被接收,不再需要来自该发射机的片段,和/或传输可能已经被中止。终止消息可被发送(618)到发射机。终止消息可被发射机理解为指示不再需要针对任何片段的分组。在一些实施例中,方法600可另外包括在终止消息被发送之前确定第一片段能够被解码和/或不再需要额外的分组。第一片段可被从接收到的分组解码(620),并且经解码的第一片段和第二片段可被提供给操作系统、持久存储设备、应用、和/或其他。经解码的片段可被全部一起提供和/或随着它们被解码而被提供。
图7是用于基于来自UE的指令将分组递送到UE的方法700的流程图。方法700可以开始于向UE发送(702)关于数据对象的信息。关于数据对象的信息可响应于来自UE的对数据对象的请求和/或响应于来自源服务器的对将数据对象递送到UE的请求而被发送(702)到UE。关于数据对象的信息可以包括数据对象的大小、数据对象的哈希、数据对象的标识信息、和/或其他。作为响应,传输控制消息可被从UE接收(704)。传输控制消息可以包括要发送的分组的最大数目、分组应当从其中被导出的片段、和/或其他。
基于传输控制消息,片段可被选择并且针对从该片段导出的分组的编码指示符可被确定(706)。编码指示符可通过随机地选择介于0和65535之间(包括0和65535)的数来确定(706)。来自数据对象的源块可被编码(708)为分组。源块可被从传输控制消息中指定的片段导出。
源块的编码系数可被从编码指示符导出。例如,编码指示符可被用于确定伪随机数生成器的初始种子。随机数生成器可产生多个伪随机数,可从多个伪随机数导出相应的多个编码系数。预定数目的编码系数可被用于编码每个分组的每个有效负载。经编码的分组可被发送(710)到UE。经编码的分组可包括片段索引、编码指示符、经编码有效负载、和/或其他。另外的编码指示符被确定(706),另外的分组被编码(708),并且另外的分组被发送(710),直到最大数目的分组已经被发送和/或半终止或终止消息被接收为止。
针对片段的最大数目的分组可被发送,但是UE可能需要附加的分组来解码片段。因此,附加的传输控制消息可被从UE接收(712)。附加的传输控制消息可以指定UE想要被发送的附加的分组的数目(例如,为了解码片段UE将需要被发送的附加的分组的数目)。作为响应,来自源块的附加的分组可被编码(714),这可以包括为附加的分组选择附加的编码指示符。附加的经编码分组可被发送(716)到UE。附加的分组可继续被编码(714)并且被发送(716)到UE,直到最大数目的附加的分组已经被发送和/或半终止或终止消息被接收为止。
在示出的实施例中,UE可能在最大数目的附加的分组被发送之前就接收了足以解码片段的分组。因此,半终止消息可被从UE接收(718)。版终止消息可以指示不再需要更多分组来解码片段。作为响应,经编码数据块的传输可被中止(720),即使最大数目的附加的分组尚未被发送。在一些实施例中,UE可以发送半终止消息,即使最大数目的附加分组已经被发送,例如,从而发射缓冲器可被清除不必要的片段和/或编解码信息。如果附加的片段被编码和发送,则那些片段的传输可继续,即使半终止消息中指定的分组的传输已经被停止。
终止消息可最终被从UE接收(722)。终止消息可以指示全部片段的传输应当被停止。作为响应,全部片段的传输可被停止,并且在一些实施例中,与UE的连接可结束(724)。发射缓冲器中的任何剩余的片段和/或编解码信息可被移除和/或数据对象可被删除。可替代地,或另外,数据对象和/或一些片段和/或编解码信息可被保持以供递送到其他UE。
图8是移动设备的示例图示,移动设备比如是用户设备(UE)、移动台(MS)、移动无线设备、移动通信设备、平板电脑、手机、或另一类型的无线通信设备。移动设备可以包括被配置为与发射站通信的一个或多个天线,发射站比如是基站(BS)、eNB、基带单元(BBU)、远程无线电头(RRH)、远程无线电设备(RRE)、中继站(RS)、无线电设备(RE)、或另一类型的无线广域网(WWAN)接入点。移动设备可被配置为使用至少一个无线通信标准(包括3GPPLTE、WiMAX、高速分组接入(HSPA)、蓝牙、以及Wi-Fi)进行通信。移动设备可以使用针对每个无线通信标准的分离天线或者使用针对多个无线通信标准的共享天线进行通信。移动设备可在无线局域网(WLAN)、无线个域网(WPAN)、和/或WWAN中进行通信。
图8还提供了能够用于来自移动设备的音频输入和输出的麦克风和一个或多个扬声器的图示。显示器屏幕可以是液晶显示器(LCD)屏幕或其他类型的显示器屏幕,比如,有机光发射二极管(OLED)显示器。显示器屏幕能够被配置为触摸屏。触摸屏可以使用电容式、电阻式、或另一类型的触摸屏技术。应用处理器和图形处理器能够被耦合到内部存储器以提供处理和显示能力。非易失性存储器端口也能够被用于向用户提供数据输入/输出选项。非易失性存储器端口还可以被用于扩展移动设备的存储能力。键盘可以被与移动设备集成,或者无线地连接到移动设备,以提供附加用户输入。还可以使用触摸屏来提供虚拟键盘。
示例
以下示例涉及其他实施例。
示例1是一种被配置为使用多个不同无线电协议与多个收发机通信的UE。该UE包括处理器。该UE包括处理器。该处理器被配置为发送对通过第一无线电协议来自第一收发机的第一多个分组的请求以及对通过第二无线电协议来自第二收发机的第二多个分组的请求。第一多个分组和第二多个分组是从数据对象的当前片段导出的。处理器还被配置为接收第一多个分组的至少一部分和第二多个分组的至少一部分。第一收发机使用线性网络代码编码第一多个分组的一部分,并且第二收发机使用线性网络代码编码第二多个分组的一部分。处理器还被配置为向第一收发机发送半终止消息。该半终止消息请求第一收发机中止对从当前片段导出的分组的发送。处理器还被配置为从第一收发机接收从另一片段导出的附加的分组。
在示例2中,示例1的处理器被配置为通过发送传输控制消息来发送对第一多个分组的请求,该传输控制消息指示将从当前片段发送的分组的最大数目。第一收发器确定发送哪些分组。
在示例3中,示例1-2中任意示例的传输控制消息包括指示发送的顺序的系列号。
在示例4中,示例1-3中任意示例的处理器被配置为首先接收对数据对象的大小的指示。
在示例5中,示例1-4中任意示例的处理器被配置为从数据对象的大小计算片段的数目、最后的片段的大小、以及最后的源块的大小。
在示例6中,示例1-5中任意示例的每个分组包括指示线性网络代码的参数的编码指示符。
在示例7中,示例1-6中任意示例的编码指示符是由每个收发机针对正被发送的每个分组随机地选择的。
在示例8中,示例1-7中任意示例的UE包括:包含发射机组件和接收机组件的本地收发机;多个天线,其中多个天线中的第一天线被耦合到发射机,并且其中多个天线中的第二天线被耦合到接收机、显示触摸屏、以及键盘。
示例9是一种用于将分组从基站发送到移动通信设备的方法,该移动通信设备使用多个不同的无线电协议接收数据。该方法包括从移动通信设备接收多个传输控制消息。多个传输控制消息包括第一传输控制消息和第二传输控制消息,第一传输控制消息请求从数据对象的第一片段被发送的第一多个分组,第二传输控制消息请求从数据对象的第二片段被发送的第二多个分组。该方法还包括发送第一多个分组的至少一部分和第二多个分组的至少一部分。第一多个分组的一部分被使用喷泉码编码并且第二多个分组的一部分被使用该喷泉码编码。该方法还包括接收来自移动通信设备的片段完成消息。该片段完成消息请求停止对来自第一片段的分组的发送但是继续对来自第二片段的分组的发送。
在示例10中,示例9的方法包括接收请求结束对全部分组的发送的终止消息。
在示例11中,示例9-10中任意示例的对与数据对象有关的分组的发送是使用单独的传输控制消息、片段完成消息、和终止消息来控制的。
在示例12中,示例9-11中任意示例的多个传输控制消息中的每个传输控制消息包括指示发送的顺序的序列号。
在示例13中,示例9-12中任意示例的每个分组包括指示片段的片段索引,分组被从片段导出。
在示例14中,示例9-13中任意示例的每个分组包括指示喷泉码的参数的编码指示符。
在示例15中,示例9-14中任意示例的方法包括通过使用编码指示符确定伪随机数生成器的初始种子来生成多个伪随机数。该方法还包括基于多个伪随机数中的相应的一个或多个伪随机数来计算针对每个分组的有效负载的一个或多个编码系数。
在示例16中,示例9-14中任意示例的生成多个伪随机数包括根据以下等式生成多个伪随机数:xk+1=4xk(1-xk),xk∈(0,1),其中xk+1是下一伪随机数并且xk是前一伪随机数。初始种子是根据以下等式从编码指示符计算得出的:其中M是每片段的资源块的数目,x0是初始种子,并且α是编码指示符。
示例17是一种用于使用多个不同的无线电协议从多个收发机接收分组的UE。该UE包括根据第一无线电协议操作的第一无线电装置。第一无线电装置被配置为从第一收发机接收分组的第一多个流。第一多个流被从数据文件导出。该UE包括根据第二无线电协议操作的第二无线电装置。第二无线电装置被配置为从第二收发机接收分组的第二多个流。每个流是从数据文件的唯一片段导出的。每个流式使用线性网络代码编码的。第二无线电装置还被配置为向第二收发机发送流终止消息。流终止消息指示来自第二多个流的流。第二无线电装置还被配置为在发送流终止消息后接收来自第二多个流的一个或多个流而不接收流终止消息中指示的流。
在示例18中,示例17的第二无线电装置还被配置为首先发送多个传输控制消息,多个传输控制消息标识要发送的第二多个流。
在示例19中,示例17-18中任意示例的多个传输控制消息中的每个传输控制消息指示将在相应的流中被发送的分组的最大数目。
在示例20中,示例17-19中任意示例的第二无线电装置被配置为发送连接终止消息,该连接终止消息请求第二收发机停止对全部分组的发送。
在示例21中,示例17-20中任意示例的从第一收发机和第二收发机对于数据文件有关的分组的发送是使用单独的传输控制消息、流终止消息、和连接终止消息来控制的。
在示例22中,示例17-21中任意示例的每个分组包括指示片段的片段索引,分组被从片段导出。
在示例23中,示例17-22中任意示例的每个分组包括编码指示符,针对分组的一个或多个编码系数能够从编码指示符被导出,并且其中编码指示符是随机选择的。
在示例24中,示例17-23中任意示例的线性网络代码是随机线性网络代码。
示例25是一种用于使用多个不同的无线电协议与多个收发机通信的方法。该方法包括:从UE发送对通过第一无线电协议来自第一收发机的第一多个分组的请求以及对通过第二无线电协议来自第二收发机的第二多个分组的请求。第一多个分组和第二多个分组是从数据对象的当前片段导出的。该方法还包括接收第一多个分组的至少一部分和第二多个分组的至少一部分。第一收发机使用线性网络代码编码第一多个分组的一部分,并且第二收发机使用线性网络代码编码第二多个分组的一部分。该方法还包括向第一收发机发送半终止消息。该半终止消息请求第一收发机中止对从当前片段导出的分组的发送。该方法还包括从第一收发机接收从另一片段导出的附加的分组。
在示例26中,示例25的发送对第一多个分组的请求包括发送指示将从当前片段发送的分组的最大数目的传输控制消息。第一收发器确定发送哪些分组。
在示例27中,示例25-26中任意示例的传输控制消息包括指示发送的顺序的系列号。
在示例28中,示例25-27中任意示例的从收发机对与数据对象有关的分组的发送是使用单独的传输控制消息、半终止消息、以及终止消息来控制的。
在示例29中,示例25-28中任意示例的方法包括首先接收对数据对象的大小的指示。
在示例30中,示例25-29中任意示例的方法包括从数据对象的大小计算片段的数目、最后的片段的大小、以及最后的源块的大小。
在示例31中,示例25-30中任意示例的每个分组包括指示分组被从其接收的片段的片段索引。
在示例32中,示例25-31中任意示例的每个分组包括指示线性网络代码的参数的编码指示符。
在示例33中,示例25-32中任意示例的编码指示符是由每个收发机针对正被发送的每个分组随机地选择的。
在示例34中,示例25-33中任意示例的方法包括生成多个随机数。该方法包括基于多个随机数中的相对应的一个或多个随机数来计算针对每个分组的有效负载的一个或多个编码系数。
在示例35中,示例25-34中任意示例的方法包括基于编码指示符确定伪随机数生成器的初始种子。
在示例36中,示例25-35中任意示例的生成多个伪随机数包括根据以下等式生成多个伪随机数:xk+1=4xk(1-xk),xk∈(0,1),其中xk+1是下一伪随机数并且xk是前一伪随机数。初始种子是根据以下等式从编码指示符计算得出的:其中M是每片段的资源块的数目,x0是初始种子,并且α是编码指示符。
在示例37中,示例25-36中任意示例的线性网络代码是随机线性网络代码。
示例38是一种包括用于执行任意上述示例中所描述的方法的装置的设备。
示例39是一种包括机器可读指令的机器可读存储装置,这些指令当被执行时实现任意上述示例中所描述的方法或设备。
各种技术或其某些方面或部分可以采用体现于有形介质中的程序代码(即,指令)的形式,有形介质比如是:软盘、CD-ROM、硬盘、非暂态计算机可读存储介质、或任何其他机器可读存储介质,其中,当程序代码被载入到机器(比如,计算机)中并由该机器来执行时,使得该机器成为用于实践各种技术的设备。在在可编程计算机上执行程序代码的情况下,计算设备可以包括:处理器、可由处理器读取的存储介质(包括易失性和非易失性存储器和/或存储元件)、至少一个输入设备、和至少一个输出设备。易失性和非易失性存储器和/或存储元件可以是:RAM、EPROM、闪盘驱动器、光盘驱动器、硬磁盘驱动器、、或用于存储电子数据的另一介质。eNB(或其他基站)和UE(或其他移动台)也可以包括收发器组件、计数器组件、处理组件、和/或时钟组件或计时器组件。可以实现或利用本文所描述的技术的一个或多个程序可以使用应用编程接口(API)、可重用控件等等。这样的程序可以以高级程序式编程语言或面向对象的编程语言来实现以与计算机系统通信。然而,若需要,(一个或多个)程序可以以汇编语言或机器语言来实现。在任何情况下,语言可以被编译和解译,以及与硬件实现方式相组合。
应当理解的是,本说明书中所描述的许多功能单元可以被实现为一个或多个组件,组件是用于更显著地强调它们的实现独立性的术语。例如,组件可以被实现为硬件电路,该硬件电路包括超大规模集成(VLSI)电路或门阵列、现成的半导体器件(比如,逻辑芯片、晶体管、或其他离散的组件)。组件还可以以可编程硬件器件(比如,现场可编程门阵列、可编程阵列逻辑、可编程逻辑器件等等)来实现。
组件还可以以由各种类型的处理器执行的软件来实现。可执行的代码的经标识的组件例如可以包括计算机指令的一个或多个物理或逻辑块,其例如可以被组织为对象、程序、或功能。尽管如此,经标识的组件的可执行文件不一定在物理上位于一处,而是可以包括分开存储于不同位置的指令,这些指令当被逻辑地结合在一起时包括该组件并实现所注明的该组件的用途。
实际上,可执行代码的组件可以是单一指令或许多指令,或者甚至可以分布于若干不同的代码段上、分布于不同程序之间、并分布于若干存储器设备之间。类似地,可操作数据可以被标识和示出于组件内,并且可以以任何合适的形式来体现或被组织在任何类型的数据结构内。可操作数据可以被收集中单一数据集,或者可以分布在不同位置上(包括在不同存储设备上),并且可以至少部分地仅作为系统或网络上的电子信号而存在。这些组件可以是无源的或有源的,包括可操作来执行预期功能的代理。
整个说明书中提及“示例”意思是结合该示例描述的特定特征、结构、或特性被包括在本发明的至少一个实施例中。因此,在整个说明书中各处出现的短语“在示例中”不一定全部指代同一实施例。
为方便起见,本文所使用的多个项、结构元素、组成元素、和/或材料可以被呈现于一共同列表中。然而,这些列表应当被看作列表中的每个元素被单独地标识为分离且唯一的元素。因此,在没有相反指示的情况下,这样的列表中的个体元素都不应当仅基于其出现在共同的组中而被看做该同一列表中的任何其他元素的实际等同物。另外,本公开的各种实施例和示例随其各种组件的替代物一起被提及。应当理解,这样的实施例、示例和替代物不应被看作彼此的等同物,而应被看做本发明的分开且独立存在的表示。
尽管上面已经为清楚起见进行了详细描述,但是将看到在不背离其原则的情况下可以做出某些变化和修改。应当注意到,存储实现本文所述处理和装置的许多替代方式。因此,这些实施例应被看做示意性而非限制性的,并且本发明不受本文所给出的细节的限制,而是可以在所附权利要求的范围及其等同范围内进行修改。
本领域技术人员将理解可以在背离本发明的基本原理的情况下对上述实施例的细节做出许多修改。因此,本发明的范围应当仅通过所附权利要求来确定。
Claims (24)
1.一种被配置为使用多个不同的无线电协议与多个收发机通信的用户设备(UE),该UE包括处理器,该处理器被配置为:
发送对通过第一无线电协议来自第一收发机的第一多个分组的请求以及对通过第二无线电协议来自第二收发机的第二多个分组的请求,其中所述第一多个分组和所述第二多个分组是从数据对象的当前片段导出的;
接收所述第一多个分组的至少一部分和所述第二多个分组的至少一部分,其中所述第一收发机使用线性网络代码编码所述第一多个分组的一部分并且所述第二收发机使用所述线性网络代码编码所述第二多个分组的一部分;
向所述第一收发机发送半终止消息,其中所述半终止消息请求所述第一收发机中止对从所述当前片段导出的分组的发送;以及
从所述第一收发机接收从另一片段导出的附加的分组。
2.如权利要求1所述的UE,其中,所述处理器被配置为通过发送传输控制消息来发送对所述第一多个分组的请求,所述传输控制消息指示将从所述当前片段发送的分组的最大数目,并且其中所述第一收发器确定发送哪些分组。
3.如权利要求2所述的UE,其中,所述传输控制消息包括指示发送的顺序的系列号。
4.如权利要求1所述的UE,其中,所述处理器被配置为首先接收对所述数据对象的大小的指示。
5.如权利要求4所述的UE,其中,所述处理器被配置为从所述数据对象的大小计算片段的数目、最后的片段的大小、以及最后的源块的大小。
6.如权利要求1所述的UE,其中,每个分组包括指示所述线性网络代码的参数的编码指示符。
7.如权利要求6所述的UE,其中,所述编码指示符是由每个收发机针对正被发送的每个分组随机地选择的。
8.如权利要求1所述的UE,还包括:
包括发射机组件和接收机组件的本地收发机;
多个天线,其中所述多个天线中的第一天线被耦合到所述发射机,并且其中所述多个天线中的第二天线被耦合到所述接收机;
显示触摸屏;以及
键盘。
9.一种用于将分组从基站发送到移动通信设备的方法,所述移动通信设备使用多个不同的无线电协议接收数据,所述方法包括:
从所述移动通信设备接收多个传输控制消息,其中所述多个传输控制消息包括第一传输控制消息和第二传输控制消息,所述第一传输控制消息请求从数据对象的第一片段被发送的第一多个分组,所述第二传输控制消息请求从所述数据对象的第二片段被发送的第二多个分组;
发送所述第一多个分组的至少一部分和所述第二多个分组的至少一部分,其中所述第一多个分组的一部分被使用喷泉码编码并且所述第二多个分组的一部分被使用所述喷泉码编码;以及
接收来自所述移动通信设备的片段完成消息,其中所述片段完成消息请求停止对来自所述第一片段的分组的发送但是继续对来自所述第二片段的分组的发送。
10.如权利要求9所述的方法,还包括接收请求结束对全部分组的发送的终止消息。
11.如权利要求10所述的方法,其中,对与所述数据对象有关的分组的发送是使用单独的传输控制消息、片段完成消息、和终止消息来控制的。
12.如权利要求9所述的方法,其中,所述多个传输控制消息中的每个传输控制消息包括指示发送的顺序的序列号。
13.如权利要求9所述的方法,其中,每个分组包括指示片段的片段索引,所述分组被从所述片段导出。
14.如权利要求9所述的方法,其中,每个分组包括指示所述喷泉码的参数的编码指示符。
15.如权利要求14所述的方法,还包括通过使用所述编码指示符确定伪随机数生成器的初始种子来生成多个伪随机数,并且基于所述多个伪随机数中的相应的一个或多个伪随机数来计算针对每个分组的有效负载的一个或多个编码系数。
16.如权利要求15所述的方法,其中,生成所述多个伪随机数包括根据以下等式生成所述多个伪随机数:
xk+1=4xk(1-xk),xk∈(0,1)
其中xk+1是下一伪随机数并且xk是前一伪随机数,并且其中所述初始种子是根据以下等式从所述编码指示符计算得出的:
其中M是每片段的资源块的数目,x0是所述初始种子,并且α是所述编码指示符。
17.一种用于使用多个不同的无线电协议从多个收发机接收分组的用户设备(UE),所述UE包括:
根据第一无线电协议操作的第一无线电装置,所述第一无线电装置被配置为:
从第一收发机接收分组的第一多个流,其中所述第一多个流被从数据文件导出;
根据第二无线电协议操作的第二无线电装置,所述第二无线电装置被配置为:
从第二收发机接收分组的第二多个流,其中每个流是从所述数据文件的唯一片段导出的,并且其中每个流式使用线性网络代码编码的,
向第二收发机发送流终止消息,其中所述流终止消息指示来自所述第二多个流的流,以及
在发送所述流终止消息后,接收来自所述第二多个流的一个或多个流而不接收所述流终止消息中指示的所述流。
18.如权利要求17所述的UE,其中,所述第二无线电装置还被配置为首先发送多个传输控制消息,所述多个传输控制消息标识要发送的所述第二多个流。
19.如权利要求18所述的UE,其中,所述多个传输控制消息中的每个传输控制消息指示将在相应的流中被发送的分组的最大数目。
20.如权利要求17所述的UE,其中,所述第二无线电装置被配置为发送连接终止消息,所述连接终止消息请求所述第二收发机停止对全部分组的发送。
21.如权利要求17所述的UE,其中,从所述第一收发机和所述第二收发机对于所述数据文件有关的分组的发送是使用单独的传输控制消息、流终止消息、和连接终止消息来控制的。
22.如权利要求17所述的UE,其中,每个分组包括指示片段的片段索引,所述分组被从所述片段导出。
23.如权利要求17所述的UE,其中,每个分组包括编码指示符,针对所述分组的一个或多个编码系数能够从所述编码指示符被导出,并且其中所述编码指示符是随机选择的。
24.如权利要求17所述的UE,其中,所述线性网络代码是随机线性网络代码。
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