CN103493452B - 无线通信系统中信道控制的系统和方法 - Google Patents

无线通信系统中信道控制的系统和方法 Download PDF

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CN103493452B
CN103493452B CN201180070493.0A CN201180070493A CN103493452B CN 103493452 B CN103493452 B CN 103493452B CN 201180070493 A CN201180070493 A CN 201180070493A CN 103493452 B CN103493452 B CN 103493452B
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CN103493452A (zh
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P.王
J-K.伍
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Apple Inc
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Intel Corp
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    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0621—Feedback content
    • H04B7/0632—Channel quality parameters, e.g. channel quality indicator [CQI]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
    • H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
    • H04B7/0636—Feedback format
    • H04B7/0639—Using selective indices, e.g. of a codebook, e.g. pre-distortion matrix index [PMI] or for beam selection
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H04L27/26132—Structure of the reference signals using repetition
    • H—ELECTRICITY
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    • H04W36/00—Hand-off or reselection arrangements
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
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    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
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    • H04W88/08—Access point devices
    • H04W88/10—Access point devices adapted for operation in multiple networks, e.g. multi-mode access points
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Abstract

一种设备可以包括被布置成无线地接收分配分量载波和向后不兼容分量载波的集合的下行链路消息的接收器。该设备可以包括处理器和控制信道指派模块，其能够在所述处理器上操作以用来：确定用于对在上行链路通信中传输的数据做出响应的肯定应答消息的时序；以及对用于针对经由向后不兼容分量载波传输的数据的肯定应答消息的控制信道资源进行定位，所述肯定应答消息将由分量载波载送。公开且要求保护其他实施例。

Description

无线通信系统中信道控制的系统和方法
技术领域
本发明涉及无线通信系统中的信道控制。
本申请要求2011年4月29日提交的美国临时专利申请序列号61/481,024的优先权，并且通过引用将其整体并入在此。
背景技术
在无线通信中，随着移动设备数目的增加高效布置通信的需要继续增长，移动设备数目的增加转而需要增加传输不断增加的数据量的带宽。为了提供去到和来自具有移动用户设备（UE）的终端用户设备的足够数据吞吐量，期望动态改变分配给UE的带宽量。3GPP标准（LTE）（第三代合作伙伴项目、技术规范组无线电接入网；演进通用陆地无线电接入（E-UTRA）；（版本10），2011年6月）已经开发了一组用于指派一个或多个分量载波以传输数据和控制信号的标准。每一个分量载波跨越被指派用于UE和另一设备（诸如小区内的基站）之间的通信的较大频带内的频率块。在许多场景中，可以将多个分量载波分配给UE用于在该UE和基站之间传输数据和/或控制信号。
如作为3GPP LTE标准的演进的LTE-A标准中所规定的，每个载波是能够传输数据、控制信号和控制信道信息的分量载波。特别地，每个分量载波可以包括物理混合ARQ指示符信道（PHICH），其充当用于确认或请求接收设备不正确接收到的数据块的重传的信息的传输信道。因此，可以使用该分量载波内的信道来查明通过任何分量载波发送的数据的质量。
然而，将会预期到，在未来的LTE标准（超出LTE版本10）中，可以定义额外载波（向后不兼容分量载波），其主要起到传输数据的作用，而且不包括如对分量载波规定的完全控制功能。就这些和其他考虑而言，已经需要本改进。
发明内容
根据本发明的一个方面，提供了一种设备，所述包括：RF接收器，其被布置成无线地接收分配分量载波和向后不兼容分量载波的集合的下行链路消息；处理器；以及控制信道指派模块，其能够在所述处理器上操作用来：确定用于对上行链路通信中传输的数据做出响应的肯定应答消息的时序；以及对用于针对经由向后不兼容分量载波的数据传输的肯定应答消息的控制信道资源进行定位，所述肯定应答消息将由分量载波载送。
附图说明
图1图示通信系统的一个实施例。
图2描绘符合各种实施例的控制信道指派模块。
图3描绘肯定应答（acknowledgement）消息时序模块的一个实施例。
图4描绘控制信道资源定位器（locator）模块的一个实施例。
图5描绘映射与上行链路传输相关联的物理资源块的一个实施例。
图6描绘为多个载波编索引的另一实施例。
图7图示符合一些实施例的示例性逻辑流程。
图8描绘符合其他实施例的另一逻辑流程。
图9描绘符合其他实施例的还有另一逻辑流程。
图10是示例性系统实施例的示图。
图11图示示例性计算架构的一个实施例。
具体实施方式
各种实施例指向无线通信，在其中所分派的载波包括分量载波和向后不兼容分量载波。在不修改前缀的情况下，这里使用的术语“分量载波”指代能够载送控制信息（诸如PHICH）且与LTE版本8/9/10分量载波向后兼容的分量载波。术语“向后不兼容分量载波”指代可能 与LTE版本8/9/10分量载波不完全向后兼容的各种不同类型的载波，包括扩展载波、载波段等等。实施例可能特别提供包括向后不兼容分量载波的系统中控制消息的传输。特别地，在LTE标准的未来版本中，所谓的向后不兼容分量载波可以被定义为主要用于UE和基站（在这里也被称为eNodeB或eNB）之间的数据传输。因此，这样的向后不兼容分量载波可能不支持信道（诸如PHICH）。
实施例解决管理与向后不兼容分量载波有关的控制信息的机制。例如，向后不兼容分量载波的使用可能不与仅采用分量载波的3GPP 版本8/9/10技术标准向后兼容。此外，如果向后不兼容分量载波不包括在下行链路消息中传输肯定应答/否定应答（ACK/NAK）信息（诸如混合自动重复请求（HARQ））的控制信道，则未来的标准可能需要另一机制来传输上行链路向后不兼容分量载波的ACK/NAK信息。如下面所阐述的，各种实施例给出用于向载波指派下行链路控制信道资源以便当该载波内没有下行链路控制信道可用时对来自该载波的上行链路消息做出肯定应答的系统和方法。以这种方式，可以通过使伴随信道（诸如控制信道）的开销（overhead）最小化来来以有效方式增加数据吞吐量。
图1图示系统100的一个实施例的框图，该系统100包括基站（eNodeB或eNB）102和UE终端（或“UE”）104、106。在各种实施例中，UE终端104、106可以被实施为各种类型的无线设备。无线设备的示例可以包括但不限于站、订户站、基站、无线接入点（AP）、无线客户端设备（client device）、无线站（STA）、膝上型计算机、超级膝上型计算机、便携式计算机、个人计算机（PC）、笔记本PC、手持计算机、个人数字助理（PDA）、蜂窝电话、组合蜂窝电话/PDA、智能电话、寻呼机、消息收发设备、媒体播放器、数字音乐播放器、机顶盒（STB）、器具、工作站、用户终端、移动单元、消费电子品、电视、数字电视、高清电视、电视接收器、高清电视接收器等等。
可以利用作为3GPP LTE的演进的无线电技术（诸如先进LTE（LTE-A））来实施通信系统的一些实施例。第三代合作伙伴项目（3GPP）长期演进（LTE）是使用E-UTRA的演进UMTS（E-UMTS）的一部分。UTRA是通用移动电信系统（UMTS）的一部分。
在LTE-A系统中，向服务运营商指派一个或多个分量载波（CC）以便支持通过空中接口的无线通信。每个分量载波都以特定频率为中心且具有预定带宽。例如，LTE的带宽数字学（numerology）当前规定分量载波可以具有分别支持6、15、25、50、75和100个物理资源块（PRB）的1.4MHz、3MHz、5MHz、10MHz、15MHz和20MHz的带宽。
根据LTE标准，每个eNB 102可以将跨越固定数量的子载波达给定时间的PRB指派给每个UE 104、106。例如，PRB可以在频率上跨越12个子载波，其中在每个时隙中，6个符号用于扩展循环前缀（CP）或7个符号用于正常循环前缀（CP）。
在各种实施例中，将PRB指派给UE以促进在下行链路通信中来自eNB的控制信息的传输。特别地，可以在下行链路中通过被布置成载送通过分量载波或向后不兼容分量传输的上行链路数据的肯定应答（ACK）/否定应答（NAK）消息的分量载波指派PRB，以使得当向后不兼容分量载波不被布置成用于传输下行链路信号（诸如PHICH）时可以向UE通知接收到向后不兼容分量载波上行链路消息。
图2描绘符合各种实施例的控制信道指派模块200。对于向UE指派专门或主要用于载送数据的载波的布置，可以采用该控制信道指派模块200来调度（schedule）控制信号（诸如在PHICH中载送的HARQ ACK/NAK）的传输。在一些实施例中，eNB可以向给定UE调度分量载波和向后不兼容分量载波调度以便传输数据。分量载波和向后不兼容分量载波的聚合（aggregation）可以增加带宽且因此增加系统的效率。然而，在常规布置中，当上行链路数据从UE 104经由向后不兼容分量载波传输到eNB时，该标准可以规定向后不兼容分量载波不传输控制信道信息，由此阻止eNB 102向UE 104发送肯定应答/否定应答。因此，UE 104可以因此不能确认数据在eNB 102处的成功接收。
为了解决该问题，控制信道指派模块200可以指派通过分量载波传输的PHICH以便向UE返回关于通过向后不兼容分量载波传输的数据的肯定应答消息。如所指出的，该肯定应答可以是提供关于来自向后不兼容分量载波的数据传输是否被成功接收的肯定应答的HARQ ACK/ NAK消息。如所示，控制信道指派模块200可以包括肯定应答消息时序模块202和控制信道资源定位器模块204。
如下面关于图3进一步讨论的，肯定应答消息时序模块202可以基于上行链路数据通过向后不兼容分量载波和/或分量载波的传输来确定用于对下行链路肯定应答消息进行扫描的子帧时序。
可以采用控制信道资源定位器模块204（下面关于图4至6详细描述其操作）来在分量载波中定位响应于上行链路数据传输而提供肯定应答消息的控制信道资源。
图3描绘肯定应答消息时序模块202的一个实施例，所述肯定应答消息时序模块202包括可以监视上行链路传输且确定上行链路数据被传输时的子帧的上行链路数据监视模块302。该应答消息时序模块202还包括下行链路时序规则模块304，其用于应用时序规则来基于用于传输数据的上行链路子帧来确定包含肯定应答消息的下行链路子帧。
如所指出的那样，可以在各种实施例中使用控制信道指派模块200来协调当（多个）分量载波和（多个）向后不兼容分量载波二者被分配给UE时在UE的操作时段期间UE和eNB之间的数据传输。在一些实施例中，肯定应答消息时序模块202可以确定要在其上传输针对通过物理上行链路共享信道（PUSCH）或用于传输数据的类似信道载送的给定上行链路数据传输的HARQ ACK/NAK消息的下行链路子帧。这可以包括确定通过向后不兼容分量载波PUSCH的数据传输何时发生，以及相应地调度下行链路子帧对HARQ ACK/NAK的扫描。
在各种实施例中，应答消息时序模块202可以根据已知标准（诸如LTE-A）的过程来确定下行链路子帧。相应地，与一些实施例相符地，上行链路数据监视模块302和下行链路时序规则模块304可以以在物理层过程技术规范3GPP TS 36.213章节9.1.2（第三代合作伙伴项目、技术规范组无线电接入网；演进的通用陆地无线电接入（E-UTRA）；物理层过程（版本10），2011年6月）中阐述的方式如下面详述的那样操作。
对于LTE频分双工（FDD）通信，如果在子帧n期间通过物理上行链路共享信道（PUSCH）来调度从UE到服务小区c的eNB的数据的上行链路信道传输，则对应的PHICH资源可以被定位在子帧n+4中。对于LTE时分双工（TDD）通信，针对在子帧n期间的上行链路数据传输的对应PHICH资源可以被定位在子帧中，其中在表I中给出。
因此，一旦上行链路数据监视模块302确定发生例如经由向后不兼容分量载波的PUSCH或类似数据传输，下行链路时序规则模块304就可以确定包括在分量载波中载送且响应于数据传输而发送的HARQ ACK/NAK的子帧。
图4描绘包括载波确定模块402和物理资源块（PRB）索引模块404的控制信道资源定位器模块204的一个实施例。载波确定模块402可以确定与上行链路数据传输相关联的当前载波并且可以相应地调整物理资源块索引模块404的操作，如下面关于图5和图6详述的那样。例如，一旦确定与PUSCH数据传输相关联的载波的类型，就可以调整对载送PUSCH数据传输的应答消息的PHICH资源进行定位的搜索。
在各种实施例中，控制信道资源定位器模块204可以操作以通过修改在3GPP TS36.213.9.1.2中阐述的用于识别PHICH资源的过程来识别用于向后不兼容分量载波的PHICH资源。例如可以仅当在下行链路传输上支持PHICH的分量载波被包括在数据传输中时应用如在未修改的3GPP TS 36.213.9.1.2中定义的这样的过程。
特别地，在各种实施例中，可以由索引对（）来识别PHICH资源，其中如由下面的等式（1）和（2）定义的那样，是PHICH组编号，且是组内的正交序列索引。根据本实施例，除了术语之外，在等式（1）和（2）中阐述的术语符合如下面详述的3GPP TS标准中提供的那些。术语指代用于载送例如从UE通过分量载波或向后不兼容分量载波发送的数据的对应PUSCH传输的物理资源块索引。在下面的讨论中将详细说明术语的范围和功能。
可以如下定义PHICH组编号和组内的正交序列索引：
（1）；以及
（2），
其中从对于与对应PUSCH（物理上行链路共享信道）传输相关联的（多个）输送块的具有上行链路DCI格式的最近PDCCH（物理下行链路控制信道）（3GPP TS 36.212：“演进通用陆地无线电接入（E-UTRA）；多路复用和信道编码”[4]）中的DMRS（解调参考信号）字段的循环移位来映射（参见表II）。
如果对于同一输送块不存在具有上行链路DCI格式的PDCCH，且如果对于同一输送块的初始PUSCH被随机接入响应授权半持续地调度或者对于同一传输块的初始PUSCH被随机接入响应授权调度，则术语变为零。
如在3GPP TS 36.211（物理信道和调制，章节6.9.1）中所描述的那样，术语是用于PHICH调制的扩频因子（spreading factor）大小。特别地：
。
术语表示如在3GPP TS 36.211章节6.9中描述的较高层所配置的PHICH组的编号。特别地，对于帧结构类型1，PHICH组的编号在所有子帧中恒定且由下式给出：
（3），
其中，是由较高的层提供的。索引的范围是从0到-1。
对于帧结构类型2，PHICH组的编号可以在下行链路子帧之间改变并且由给定，其中由表III给出，并且由等式（3）给出。具有非零PHICH资源的下行链路子帧中的索引的范围是从0到-1。
术语IPHICH由下式给出：
。
根据本实施例，如在等式（5）和（6）中阐述的那样确定术语：
，
等式（5）应用于当否定应答的传输块（TB）的编号不等于在与第c载波的对应PUSCH相关联的最近PDCCH中指示的TB的编号时具有相关联PDCCH的PUSCH的第一传输块的情况或不具有相关联PDCCH的情况。等式（6）应用于在第c载波上具有相关联PDCCH的PUSCH的第二TB。
与各种实施例相符地，根据来对PRB进行索引，是第c载波上对应PUSCH传输的第一时隙中的最低PRB索引（“最低扩展PRB索引”），而第c载波上的上行链路RB的最大编号由给出。可以将最低扩展PRB索引看作被表示为在仅分量载波上行链路传输的情况中可以使用的的“最低PRB索引”的修改。
在等式（5）和（6）中阐述的上面的索引方案中，通过参数C来考虑分量载波和向后不兼容分量载波二者，该参数C表示所有分量载波和向后不兼容分量载波的总数。此外，将第一载波指派给分量载波且零值被指派给序列中的初始项。
对于由分量载波载送的PRB，PRB索引模块402可以如图5中所图示指派资源块的编号。特别地，图5描绘映射与支持分量载波和向后不兼容分量载波二者的上行链路传输相关联的物理资源块的一个实施例。在图5的布置500中，示出一个分量载波502和一个向后不兼容分量载波。在一个实施例中，分量载波502可以占用与由向后不兼容分量载波504所占用的频率范围不邻接的频率范围。然而，在其他实施例中，分量载波和向后不兼容分量载波可以跨越邻接频率范围。分量载波通常可以包括与向后不兼容分量载波508所包含的不同数目的资源块506。
如图5中进一步图示的，PRB可以被映射到针对分量载波502中的第一资源块的以“0”开始的序列中。特别地，物理资源块506在第一序列510中被编号为从0到（-1），且上行链路向后不兼容分量载波的物理资源块508被编号为接在序列510的最后条目后面，以使得它们形成在编号上与第一序列邻接的第二序列512。因此，PRB形成以条目（）开始且以条目（-1）结束的序列512。
根据上面的映射过程，可以通过将最低PRB索引的范围从由针对仅分量载波的[0,-1]给定的范围变成扩展范围来规定用于非分量载波的PHICH资源，所述扩展范围可以包括多个载波且通常由表达式[0 ,()-1]来表示。
如从上面的表达式来看显然的，结合上行链路传输（诸如PUSCH）所使用的最低PRB索引可以被用于分量载波和向后不兼容分量载波的不同组合，其中载波的总数等于C。此外，PRB的数目可以在不同载波c之间改变。
图6描绘对多个载波602、604、606进行索引的另一实施例。在图6中，分量载波602被描绘为跨越第一频率范围，而载波604、606分别跨越第二和第三频率范围。在各种实施例中，载波604、606中的一个或多个可以是向后不兼容分量载波。图6中描绘的场景以下面的方式出现。还参考图2，在通电之后，UE 104可以执行例程操作，诸如搜索同步信道。eNB 102可以将包含关于附接到网络的指令的消息发送到UE且可以提供为通信分配分量载波602的ID。随后可以使用分配给针对分量载波602的下行链路的PHICH来对从UE 102发送的传输做出肯定应答。eNB 102随后可以确定将附加载波604分配给UE 104并且可以向UE 104指示如何据守到载波604上的控制消息。可以发生将载波606分配用于eNB 102和UE 104之间的通信的类似过程。
在载波604和606二者是向后不兼容的向后不兼容分量载波的一个场景中，经由载波604、606的PHICH通信可能不可用。因此，当经由载波604或载波606在PUSCH上行链路通信上传输数据时，eNB 102可以响应于经由分量载波602的PHICH的PUSCH数据来调度HARQACK/NAK消息。图6中的布置提供促进对于载波604或载波606的PHICH资源的识别的索引的一个示例。如图6中所示，与分量载波602相对应的上行链路物理资源块612可以在序列622中被编号为从0到（-1）。对于载波604的物理上行链路资源块614被编号在序列624中以接在序列622的最后条目后面，以使得序列624以条目（）开始且以条目（-1）结束。对于载波606的物理上行链路资源块616被编号在序列626中以接在序列624的最后条目后面，以使得序列626以条目（）开始且以条目（）结束。
根据图6的布置，当通过PUSCH的上行链路数据传输经由载波604或606发生时，可以根据上述过程来调度下行链路PHICH。也就是说，对于FDD通信，当从UE 104到eNB 102的数据的PUSCH上行链路信道传输通过子帧n发生时，可以将PHICH资源定位在子帧n+4中。对于时分双工（TDD）通信，可以如在表I中规定的那样在子帧中调度在子帧n期间用于上行链路数据传输的对应PHICH。然后可以如在图6中所图示的索引方案中所提供的那样确定响应于数据的PUSCH上行链路传输来载送HARQ ACK/NAK消息的PHICH资源的位置。
这里包括的是代表用于执行所公开的架构的新颖方面的示例性方法的流程图集合。然而，为了简明解释的目的，例如以流程图或流程图表的形式示出这里所示的一个或多个方法，并且将它们描述为一系列动作，要理解且认识到，该方法不受动作顺序的限制，因为根据与其相关的方法，一些动作可以以不同的顺序发生和/或与不同于这里所示和所描述的其他动作同时发生。例如，本领域技术人员将会理解且认识到，方法将被可替换地表示为一系列相关状态或事件，诸如状态图。此外，不是方法中图示的所有动作都需要用于新颖的实施方式。
图7图示示例性逻辑流程700。在框702处，接收针对给定服务小区的分量载波的分配。在一些实施例中，UE可以接收到多于一个分量载波的分配。
在框704处，由在框702中分配一个或多个分量载波的UE接收向后不兼容分量载波的分配。在一个实施例中，在一个或多个分量载波的指派之后，基站（eNB）可以将向后不兼容分量载波指派给UE。在一些实施例中，除了一个或多个分量载波之外，可以为UE指派多于一个向后不兼容分量载波。
在框706处，UE通过上行链路经由如在框704处指派给该UE的向后不兼容分量载波来传输数据。在各种实施例中，根据在3GPP TS.36.213中阐述的标准可以通过PUSCH来传输数据。
在框708处，接收到对于通过向后不兼容分量载波发送的上行链路数据传输的回复消息。在一些实施例中，该回复消息可以是确认接收到在框706处从UE通过向后不兼容分量载波中的PUSCH传输的数据的混合自动重复请求消息。特别地，在指派给UE通过向后不兼容分量载波传输上行链路数据的分量载波上扫描回复消息，因为该向后不兼容分量载波不能传输回复消息。
图8描绘符合其他实施例的另一逻辑流程800。在框802处，在第一子帧期间通过由服务小区分派给UE的向后不兼容分量载波中的上行链路信道从UE传输数据。该数据可以通过诸如PUSCH之类的信道传输。在各种实施例中，UE可以采用时分双工（TDD）或频分双工（FDD）通信帧来传输该数据。
在框804处，为其确定接收肯定应答消息（诸如HARQ ACK/NAK）的第二子帧。可以基于用于基于早先的上行链路传输来在分量载波中调度HARQ ACK/NAK消息的规则来确定该第二子帧。
在框806处，在第一子帧期间传输数据的UE在第二子帧期间扫描分量载波的控制信道（诸如PHICH）。可以扫描该分量载波的控制信道以便为在第一子帧期间由UE通过向后不兼容分量载波传输的数据确定HARQ ACK/NAK，因为UE知道该向后不兼容分量载波没有被布置成支持PHICH。
图9描绘符合其他实施例的还有另一逻辑流程900。在框902处，响应于通过PUSCH经由指派给UE的载波传输的数据来确定用于接收肯定应答消息的下行链路子帧。与各种实施例相符地，可以根据UE所采用的通信结构的类型来确定下行链路子帧。例如，可以根据在3GPP TS.36.213中阐述的标准以及如上面表I中详细描述那样确定下行链路子帧。
在框904处，确定通过上行链路传输（PUSCH）传输的数据是否由被设计成支持下行链路通信中的PHICH的分量载波传输。
如果在框904处确定数据通过分量载波传输，则流程移动到框906。在框906处，选择用于接收对于通过上行链路传输所传输的数据的肯定应答消息的PHICH资源。特别地，基于与下行链路分量载波的不同信道相对应的物理资源块的索引来选择PHICH资源。该索引可以基于已知的方案且可以跨越从零到（-1）的范围。
如果在框904处确定数据通过向后不兼容分量载波（诸如扩展载波）传输，则流程移动到框908。在框908处，确定与在框902处用于通过PUSCH传输数据的载波相对应的载波编号“c”。例如，在其中eNB为UE调度单个分量载波和两个向后不兼容分量载波的场景中，该分量载波可以被指定为载波1，第一向后不兼容分量载波可以被指定为载波2，且第二向后不兼容分量载波可以被指定为载波3。
在框910处，根据物理资源框索引来选择用于下行链路子帧的PHICH资源。PRB索引被布置在（）-1到的范围上。以这种方式，可以在下行链路分量载波PHICH中确定索引，其中索引指示与对经由不能在下行链路中传输PHICH的向后不兼容分量载波的上行链路数据传输的肯定应答消息相关联的PRB。
图10是示例性系统实施例的图示，且特别地图10是示出包括各种元件的平台1000的图示。例如，图10示出可以包括以下各项的平台（系统）1010：处理器/图形核心1002（其可以包括应用处理器）、芯片组/平台控制集线器（PCH）1004、输入/输出（I/O）设备1006、随机存取存储器（RAM）（诸如动态RAM（DRAM））1008、以及只读存储器（ROM）1010、显示电子器件1020、显示背光灯1022、非易失性存储器端口（NVMP）1024、天线1026、以及各种其他平台部件1014（例如风扇、交叉流鼓风机、散热片、DTM系统、制冷系统、外壳、通风口等等）。系统1000还可以包括无线通信芯片1016和图形设备1018。显示电子器件可以包括液晶显示（LCD）屏、触摸屏显示器或其他显示器。I/O设备1006可以包括键盘、鼠标和/或扬声器。然而，实施例不限于这些元件。
如图10中所示，I/O设备1006、RAM 1008和ROM 1010可以借助于芯片组1004耦合到处理器1002。芯片组1004可以通过总线1012耦合到处理器1002。相应地，总线1012可以包括多条线。
处理器1002可以是包括一个或多个处理器核心的中央处理单元并且可以包括具有任何数目的处理器核心的任何数目的处理器。处理器1002可以包括任何类型的处理单元，诸如例如CPU、多处理单元、精简指令集计算机（RISC）、具有管线的处理器、复杂指令集计算机（CISC）、数字信号处理器（DSP）等等。在一些实施例中，处理器1002可以是位于分离的集成电路芯片上的多个分离处理器。在一些实施例中，处理器1002可以是具有集成图形设备的处理器，而在其他实施例中，处理器1002可以是一个或多个图形核心。
图11图示适用于实施先前描述的各种实施例的示例性计算架构1100的一个实施例。如在本申请中所使用的，术语“系统”和“设备”和“部件”意图指代与计算机有关的实体、硬件、硬件和软件的组合、软件或执行中的软件，它们的示例由示例性计算架构1100提供。例如，部件可以是但不限于在处理器上运行的过程、处理器、硬盘驱动器、多个（光学和/或磁存储介质）存储驱动器、对象、可执行过程、执行线程、程序和/或计算机。以图示的方式，在服务器上运行的应用和服务器二者可以是部件。一个或多个部件可以居于过程和/或执行线程中，并且部件可以局域化于一个计算机上和/或分布于两个或更多个计算机之间。此外，部件可以通过各种类型的通信介质彼此通信耦合以便协调操作。该协调可以包括信息的单向或双向交换。例如，部件可以传送处于通过通信介质传送的信号的形式的信息。该信息可以被实施为分配给各种信号线的信号。在这种分配中，每个消息都是一个信号。然而，其他实施例可以替换地采用数据消息。可以跨越各种连接来发送这样的数据消息。示例性连接包括并行接口、串行接口和总线接口。
在一个实施例中，计算架构1100可以包括或者被实施为电子设备的一部分。电子设备的示例可以包括但不限于移动设备、个人数字助理、移动计算设备、智能电话、蜂窝电话、手机、单向寻呼机、双向寻呼机、消息收发设备、计算机、个人计算机（PC）、桌上型计算机、膝上型计算机、笔记本计算机、手持计算机、平板计算机、服务器、服务器阵列或服务器场、网页服务器、网络服务器、因特网服务器、工作站、小型计算机、主机计算机、超级计算机、网络器具、网页器具、分布式计算系统、多处理器系统、基于处理器的系统、消费电子品、可编程消费电子品、电视、数字电视、机顶盒、无线接入点、基站、订户站、移动订户中心、无线电网络控制器、路由器、集线器、网关、桥接器、交换机、机器或其组合。实施例不限于该上下文。
计算架构1100包括各种常见计算元件，诸如一个或多个处理器、协同处理器、存储器单元、芯片组、控制器、外围设备、接口、振荡器、定时设备、视频卡、音频卡、多媒体输入/输出（I/O）部件等等。然而，实施例不限于由计算架构1100来实施。
如图11中所示，该计算架构1100包括处理单元1104、系统存储器1106和系统总线1108。处理单元1104可以是各种商业上可获得的处理器中的任一个。双微处理器和其他多处理器架构还可以被作为处理单元1104来采用。系统总线1108为系统部件（包括但不限于到处理单元1104的系统存储器1106）提供接口。系统总线1108可以是使用各种商业上可获得的总线架构中的任一种进一步互连到存储器总线（具有或不具有存储器控制器）、外围总线和本地总线的若干种类型的总线结构中的任一种。
计算架构1100可以包括或实施各种制造物品。制造物品可以包括存储各种形式的编程逻辑的计算机可读存储介质。计算机可读存储介质的示例可以包括能够存储电子数据的任何有形介质，包括易失性存储器或非易失性存储器、可移除或不可移除存储器、可擦除或不可擦除存储器、可写入或可重写存储器等等。编程逻辑的示例可以包括使用任何合适类型的代码实施的可执行计算机程序指令，所述代码诸如源代码、编译代码、翻译代码、可执行代码、静态代码、动态代码、面向对象的代码、视觉代码等等。
系统存储器1106可以包括以一个或多个较高速存储器单元形式的各种类型的计算机可读存储介质，诸如只读存储器（ROM）、随机存取存储器（RAM）、动态RAM（DRAM）、双倍数据速率DRAM（DDRAM）、同步DRAM（SDRAM）、静态RAM（SRAM）、可编程ROM（PROM）、可擦除可编程ROM（EPROM）、电可擦除可编程ROM（EEPROM）、闪速存储器、聚合物存储器（诸如铁电聚合物存储器）、奥氏存储器、相变或铁电存储器、硅-氧化物-氮化物-氧化物-硅（SONOS）存储器、磁卡或光学卡、或适用于存储信息的任何其他类型的介质。在图11中示出的图示的实施例中，系统存储器1106可以包括非易失性存储器1110和/或易失性存储器1112。基本输入/输出系统（BIOS）可以被存储在非易失性存储器1110中。
计算机1102可以包括以一个或多个较低速存储器单元形式的各种类型的计算机可读存储介质，包括内部硬盘驱动器（HDD）1114、从可移除磁盘1118读取或者写入到可移除磁盘1118的磁性软盘驱动器（FDD）1116、以及从可移除光盘1122（例如CD-ROM或DVD）读取或者写入到该可移除光盘1122的光盘驱动器1120。HDD 1114、FDD 1116和光盘驱动器1120可以分别通过HDD接口1124、FDD接口1126和光驱动器接口1128连接到系统总线1108。用于外部驱动实施方式的HDD接口1124可以包括通用串行总线（USB）和IEEE 1194接口技术中的至少一个或二者。
驱动器和相关联的计算机可读介质提供数据、数据结构、计算机可执行指令等等的易失性和/或非易失性存储。例如，多个程序模块可以被存储在驱动器和存储器单元1110、1112中，包括操作系统1130、一个或多个应用程序1132、其他程序模块1134和程序数据1136。
用户可以通过一个或多个有线/无线输入设备（例如键盘1138和定点设备（诸如鼠标1140））将命令和信息输入到计算机1102中。其他输入设备可以包括麦克风、红外（IR）远程控制器、操纵杆、游戏板、铁笔、触摸屏等等。这些和其他输入设备通常通过耦合到系统总线1108的输入设备接口1142被连接到处理单元1104，但是也可以由其他接口（诸如并行端口、IEEE 1194串行端口、游戏端口、USB端口、IR接口等等）来连接。
监视器1144或其他类型的显示设备也经由接口（诸如视频适配器1146）连接到系统总线1108。除了监视器1144之外，计算机通常包括其他外围输出设备，诸如扬声器、打印机等等。
计算机1102可以在联网环境中使用经由到一个或多个远程计算机（诸如远程计算机1148）的有线和/或无线通信的逻辑连接来操作。远程计算机1148可以是工作站、服务器计算机、路由器、个人计算机、便携式计算机、基于微处理器的娱乐器具、对等设备或其他常见网络节点，并且典型地包括关于计算机1102所述的许多或所有元件，尽管为了简短目的仅图示存储器和/或存储设备1150。所描绘的逻辑连接包括到局域网（LAN）1152和/或较大网络（例如广域网（WAN）1154）的有线/无线连通性。这样的LAN和WAN联网环境在办公室和公司中是常见的事物，并且促进企业范围的计算机网络（诸如内联网），它们所有都可以连接到全球通信网络，例如英特网。
当在LAN联网环境中使用时，计算机1102通过有线和/或无线通信网络接口或适配器1156连接到LAN 1152。适配器1156可以促进到LAN 1152的有线和/或无线通信，所述LAN1152还可以包括部署在其上用于与适配器1156的无线功能进行通信的无线接入点。
当在WAN联网环境中使用时，计算机1102可以包括调制解调器1158，或者连接到WAN 1154上的通信服务器，或者具有用于建立通过WAN 1154（诸如借助于英特网）的通信的其他装置。调制解调器1158经由输入设备接口1142连接到系统总线1108，所述调制解调器1158可以是内部或外部的且是有线和/或无线设备。在联网环境中，关于计算机1142描绘的程序模块或其部分可以被存储在远程存储器/存储设备1150中。将会认识到，所示的网络连接是示例性的且可以使用在各计算机之间建立通信链路的其他装置。
计算机1102可操作用于使用IEEE 802标准家族与有线和无线设备或实体进行通信，诸如可操作部署在与例如打印机、扫描仪、桌上型和/或便携式计算机、个人数字助理（PDA）、通信卫星、与可无线检测标签相关联的设备或位置的任何一部分（例如亭子、报摊、公共厕所）和电话的无线通信（例如IEEE 802.11空中调制技术）中的无线设备。这至少包括Wi-Fi（或无线保真）、WiMax、和BluetoothTM无线技术。因此，通信可以是与传统网络或至少两个设备之间简单的特别通信一样的预先定义的结构。Wi-Fi网络使用被称为IEEE802.11x（a、b、g、n等等）的无线电技术来提供安全、可靠、快速无线连通性。Wi-Fi网络可以被用来使计算机彼此连接、连接到英特网、以及连接到有线网络（其使用与IEEE 802.3有关的介质和功能）。
可以使用表述“一个实施例”或“实施例”连同其衍生来描述一些实施例。这些术语意味着结合实施例描述的特定特征、结构或特性被包括在至少一个实施例中。在说明书中各种地方出现的短语“在一个实施例中”不一定都指代同一实施例。此外，可以使用表述“耦合”和“连接”连同其衍生来描述一些实施例。这些术语不必意图作为彼此的同义词。例如，可以使用指示两个或更多元件彼此直接物理或电接触的术语“连接”和/或“耦合”来描述一些实施例。然而，术语“耦合”也意指两个或更多元件彼此不直接接触，但是仍然还彼此协作或互相作用。
要强调的是，提供本公开的摘要以便允许读者迅速确定技术公开的本质。在理解摘要将不被用来解释或限制权利要求的范围或含义的情况下提交该摘要。此外，在前面的具体实施方式中，可以看出为了使本公开合理化，在单个实施例中将各种特征聚合在一起。本公开的该方法不应被解释为反映所要求保护的实施例需要比每个权利要求中明确阐述的更多的特征的意图。相反，如下面的权利要求所反映的那样，本发明主题在于不超过单个公开实施例的所有特征。因此，随后的权利要求由此被并入到具体实施方式中，其中每个权利要求作为一个单独的实施例代表其本身。在所附权利要求中，术语“包括”和“在其中”分别被用作各个术语“包含”和“其中”的简明英语等同物。此外，术语“第一”、“第二”、“第三”等等仅被用作标签，并且不意图将数字需求强加于它们的对象。
上面已经描述的那些包括所公开的架构的示例，当然，不可能描述部件和/或方法的每个可想到的组合，但是本领域普通技术人员可以认识到许多其他组合和置换是可能的。因此，新颖架构意图包含落入所附权利要求的精神和范围之内的所有这样的更改、修改和变化。
可以使用硬件元件、软件元件或二者的组合来实施各种实施例。硬件元件的示例可以包括处理器、微处理器、电路、电路元件（例如晶体管、电阻器、电容器、电感器等等）、集成电路、专用集成电路（ASIC）、可编程逻辑设备（PLD）、数字信号处理器（DSP）、现场可编程门阵列（FPGA）、逻辑门、寄存器、半导体设备、芯片、微芯片、芯片组等等。软件的示例可以包括软件部件、程序、应用、计算机程序、应用程序、系统程序、机器程序、操作系统软件、中间件、固件、软件模块、例程、子例程、功能、方法、过程、软件接口、应用程序接口（API）、指令集、计算代码、计算机代码、代码段、计算机代码段、字、值、符号、或其任何组合。确定一个实施例是否使用硬件元件和/或软件元件来实施可能根据任何数目的因素而变化，诸如期望计算速率、功率级、耐热性、处理循环预算、输入数据速率、输出数据速率、存储器资源、数据总线速度和其他设计或性能约束。
可以使用表述“耦合”和“连接”连同其衍生来描述一些实施例。这些术语不必意图作为彼此的同义词。例如，可以使用指示两个或更多个元件彼此直接物理或电接触的术语“连接”和/或“耦合”来描述一些实施例。然而，术语“耦合”也意指两个或更多个元件彼此不直接接触，但是仍彼此协作或互相作用。
可以例如使用存储指令或指令集的计算机可读介质或物品来实施一些实施例，如果所述指令或指令集由计算机来执行，则可以使得该计算机执行根据实施例的方法和/或操作。这样的计算机可以包括例如任何适合的处理平台、计算平台、计算设备、处理设备、计算系统、处理系统、计算机、处理器等等，并且可以使用硬件和/或软件的任何适合组合来实施。该计算机可读介质或物品可以包括例如任何适合类型的存储器单元、存储器设备、存储器物品、存储器介质、存储设备、存储物品、存储介质和/或存储单元，例如存储器、可移除或不可移除介质、可擦除或不可擦除介质、可写入或可重写介质、数字或模拟介质、硬盘、软盘、压缩盘只读存储器（CD-ROM）、可记录压缩盘（CD-R）、可写入压缩盘（CD-RW）、光盘、磁介质、磁-光介质、可移除存储卡或盘、各种类型的数字多功能盘（DVD）、磁带、盒式磁带等等。指令可以包括使用任何适合的高级、低级、面向对象的、可视、编译和/或翻译编程语言来实施的任何适合类型的代码，诸如源代码、编译代码、翻译代码、可执行代码、静态代码、动态代码、加密代码等等。
除非以其他方式明确指出，可以认识到，诸如“处理”、“计算”、“估算”、“确定”等等的术语指代计算机或计算系统或类似电子计算设备的动作和/或处理，它们将表示为计算系统的寄存器和/或存储器内的物理量（例如电子）的数据操纵和/变换成类似地表示为计算系统的存储器、寄存器或其他这样的信息存储、传输或显示设备内的物理量的其他数据。实施例不限于该上下文。
尽管已经以特定于结构特征和/或方法动作的语言描述了该主题，但是要理解在所附权利要求中限定的主题不一定限于上面描述的特定特征或动作。相反，上面描述的特定特征和动作作为实施权利要求的示例形式而被公开。

Claims (17)

1.一种无线设备，包括：
RF接收器，其被布置成无线地接收分配分量载波和向后不兼容分量载波的集合的下行链路消息；
处理器；以及
控制信道指派模块(200)，其能够在所述处理器上操作用来：
确定用于对上行链路通信中传输的数据做出响应的肯定应答消息的时序；以及
对用于针对经由向后不兼容分量载波的数据传输的肯定应答消息的控制信道资源进行定位，所述肯定应答消息将由分量载波载送；
所述无线设备还包括上行链路数据监视模块，其被布置成：
确定当在所述设备和基站之间的上行链路中发生数据传输时的上行链路子帧；以及
应用时序规则以确定载送肯定应答消息的下行链路子帧。
2.根据权利要求1所述的无线设备，所述设备被布置成使用频分双工(FDD)通信与基站(eNB)进行通信，所述时序规则包括确定在子帧n期间何时在上行链路中发生数据传输，对应的肯定应答消息被定位在子帧n+4中。
3.根据权利要求1所述的无线设备，包括控制信道资源定位器模块，其被布置成：
确定与所述上行链路通信相关联的载波；以及
定位包含所述肯定应答消息的分量载波的下行链路物理混合自动重复请求(HARQ)指示符信道(PHICH)内的物理资源块(PRB)。
4.根据权利要求3所述的无线设备，所述向后不兼容分量载波包括扩展载波或不包括用于载送ACK/NAK消息的控制信道的其他向后不兼容分量载波。
5.根据权利要求3所述的无线设备，包括物理资源块索引模块，其被布置成通过应用包括分量载波和扩展载波PRB的物理资源块的扩展映射规则来确定PRB的位置。
6.根据权利要求5所述的无线设备，所述扩展映射规则包括第一索引范围中的分量载波集合和与所述第一索引范围编号邻接的第二索引范围中的向后不兼容分量载波集合的映射。
7.根据权利要求3所述的无线设备，其中，
所述PRB包括PHICH资源，其中所述PHICH资源由索引对来识别，其中是PHICH组编号，且是该组内的正交序列索引，它们被如下定义：
其中IPRB_RA指代对应PUSCH传输的物理资源块索引。
8.根据权利要求7所述的无线设备，其中由下式给出PRB的索引：
I c , P R B _ R A = I c , P R B _ R A l o w e s t _ i n d e x + Σ c = 1 C N c - 1 , R B U L ( 1 ) I c , P R B _ R A l o w e s t _ i n d e x + 1 + Σ c = 1 C N c - 1 , R B U L ( 2 )
表示第c载波上对应PUSCH传输的第一时隙中的最低PRB索引，
第c载波上的上行链路资源块的最大编号由给出，
其中(1)应用于当否定应答的传输块(TB)的编号不等于在与第c载波的对应PUSCH相关联的最近PDCCH中指示的TB的编号时具有相关联PDCCH的PUSCH的第一传输块或不具有相关联PDCCH的PUSCH的第一传输块的情况，以及
其中(2)应用于在第c载波上具有相关联PDCCH的PUSCH的第二TB。
9.根据权利要求1所述的无线设备，包括数字触摸屏显示器。
10.一种无线设备，包括：
用于确定用于对上行链路通信中传输的数据做出响应的肯定应答消息的时序的装置；以及用于对用于针对经由向后不兼容分量载波传输的数据的肯定应答消息的控制信道资源进行定位的装置，所述肯定应答消息将由分量载波载送；
所述无线设备还包括：
用于确定当在用户设备(UE)和基站之间的上行链路中发生数据传输时的上行链路子帧的装置；以及
用于应用时序规则以确定载送肯定应答消息的下行链路子帧的装置。
11.根据权利要求10所述的无线设备，包括用于确定在子帧n期间何时在上行链路中发生数据传输的装置，对应的肯定应答消息被定位在子帧n+4中。
12.根据权利要求11所述的无线设备，包括：
用于确定与所述上行链路通信相关联的载波的装置；以及
用于定位包含所述肯定应答消息的分量载波的下行链路物理混合自动重复请求(HARQ)指示符信道(PHICH)内的物理资源块(PRB)的装置。
13.根据权利要求10所述的无线设备，包括用于通过应用包括分量载波和扩展载波PRB的物理资源块的扩展映射规则来确定PRB的位置的装置。
14.根据权利要求13所述的无线设备，包括用于进行第一索引范围中的分量载波集合和与所述第一索引范围编号邻接的第二索引范围中的向后不兼容分量载波集合的映射的装置。
15.一种计算机实施的方法，包括：
响应于经由向后不兼容分量载波在上行链路子帧中传输的数据来确定用于定位要被发送的肯定应答消息的下行链路子帧；以及
在下行链路子帧中将控制信道资源定位在包含对在上行链路子帧期间经由向后不兼容分量载波传输的数据的肯定应答消息的分量载波内；
所述方法还包括：
确定当在用户设备(UE)和基站之间的上行链路中经由向后不兼容分量载波发生数据传输时的上行链路子帧；以及
应用时序规则以确定载送肯定应答消息的下行链路子帧。
16.根据权利要求15所述的计算机实施的方法，包括：
确定与所述上行链路通信相关联的载波；以及
定位包含所述肯定应答消息的分量载波的下行链路物理混合自动重复请求(HARQ)指示符信道(PHICH)内的物理资源块(PRB)。
17.一种通信设备，包括用于执行权利要求15或16中任何权利要求的方法的装置。
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