CN104170296B - 使用增强型物理下行链路控制信道(ePDCCH)的物理上行链路控制信道(PUCCH)资源映射 - Google Patents

使用增强型物理下行链路控制信道(ePDCCH)的物理上行链路控制信道(PUCCH)资源映射 Download PDF

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CN104170296B
CN104170296B CN201380014654.3A CN201380014654A CN104170296B CN 104170296 B CN104170296 B CN 104170296B CN 201380014654 A CN201380014654 A CN 201380014654A CN 104170296 B CN104170296 B CN 104170296B
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epdcch
ecce
prb
pucch
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CN104170296A (zh
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何宏
符仲凯
朱源
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Intel Corp
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Intel Corp
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Abstract

公开了用于与增强型物理下行链路控制(ePDCCH)相对应的物理上行链路控制信道(PUCCH)资源映射的技术。一种方法可以包括节点映射与ePDCCH相对应的PUCCH资源用于PUCCH资源混合自动重传请求‑确认(HARQ‑ACK)反馈。可以使用包括ePDCCH资源的至少一个增强型控制信道单元(eCCE)的最低PRB索引和一个物理资源块(PRB)中的eCCE的总数量来确定所述PUCCH资源。

Description

使用增强型物理下行链路控制信道(ePDCCH)的物理上行链路 控制信道(PUCCH)资源映射
背景技术
无线移动通信技术使用各种标准和协议来在节点(例如，传输站或收发机节点)和无线设备(例如，移动设备)之间传输数据。一些无线设备在下行链路(DL)传输中使用正交频分多址(OFDMA)并且在上行链路(UL)传输中使用单载波频分多址(SC-FDMA)进行通信。使用用于信号传输的正交频分复用(OFDM)的标准和协议包括第三代合作伙伴计划(3GPP)长期演进(LTE)、通常被企业集团称为WiMAX(全球互操作性微波接入)的电气与电子工程师协会(IEEE)802.16标准(例如，802.16e、802.16m)以及通常被企业集团称为WiFi的IEEE802.11标准。
在3GPP无线接入网络(RAN)LTE系统中，节点可以是演进型通用地面无线接入网络(E-UTRAN)节点B(也被通常表示为演进型节点B、增强型节点B、eNodeB或eNB)和无线网络控制器(RNC)的组合，该节点与被称为用户设备(UE)的无线设备进行通信。下行链路(DL)传输可以是从节点(例如，eNodeB)到无线设备(例如，UE)的通信，而上行链路(UL)传输可以是从无线设备到节点的通信。
在LTE中，数据可以经由物理下行链路共享信道(PUSSH)从eNodeB传输到UE。物理下行链路控制信道(PDCCH)可以用于传送下行链路控制信息(DCI)，该DCI向UE通知关于与在PDSCH上的下行链路资源分派、上行链路资源许可和上行链路功率控制命令有关的资源分配或调度。PDCCH可以在从eNodeB传输到UE的每一个子帧中的PDSCH之前被传输。
PDCCH信号可以被设计为在UE处基于小区特定参考信息(CRS)被解调。然而，CRS的使用不考虑高级LTE系统的增加的复杂度。例如，在异构网络中，多个节点会在单个小区内同时进行传输。小区特定参考信号的使用会限制用于增加小区容量的高级技术。
附图说明
通过结合附图一起通过示例的方式说明本公开的特征的随后的详细描述，本发明的特征和优点将变得明显，在附图中：
图1说明了根据示例包括传统物理下行链路控制信道(PDCCH)的无线帧资源(例如，资源网格)的方框图；
图2说明了根据示例的各种分量载波(CC)带宽的方框图；
图3说明了根据示例将与下行链路控制信息(DCI)相关联的四个集中式聚合级一控制信道单元(CCE)复用到一个物理资源块(PRB)对中的方框图；
图4说明了根据示例使用集中式增强型物理下行链路控制信道(ePDCCH)和分布式ePDCCH映射到子帧的控制信道单元(CCE)和资源单元组(REG)的方框图；
图5说明了根据示例使用集中式ePDCCH和分布式ePDCCH映射到子帧的增强型物理下行链路控制信道(ePDCCH)的方框图；
图6说明了根据示例在传统LTE系统中物理上行链路控制信道(PUCCH)资源映射的方框图；
图7说明了根据示例的下行链路子帧中的增强型物理下行链路控制信道(ePDCCH)和相对应的物理上行链路控制信道(PUCCH)资源映射的方框图；
图8说明了根据示例在上行链路子帧中对于增强型物理下行链路控制信道(ePDCCH)的起始PRB索引的方框图；
图9说明了根据示例具有对于增强型物理下行链路控制信道(ePDCCH)的物理上行链路控制信道(PUCCH)混合自动重传请求-确认(HARQ-ACK)反馈的上行链路子帧的方框图；
图10说明了根据示例用于频分双工(FDD)的混合自动重传请求-确认(HARQ-ACK)反馈的与增强型物理下行链路控制信道(ePDCCH)相对应的物理上行链路控制信道(PUCCH)资源映射的方框图；
图11说明了根据示例用于时分双工(TDD)的混合自动重传请求-确认(HARQ-ACK)反馈的与增强型物理下行链路控制信道(ePDCCH)相对应的物理上行链路控制信道(PUCCH)资源映射的方框图；
图12描绘了根据示例用于与来自节点的增强型物理下行链路控制信道(ePDCCH)相对应的物理上行链路控制信道(PUCCH)资源映射的方法的流程图；
图13描绘了根据示例用于在无线设备处生成位于与增强型物理下行链路控制信道(ePDCCH)相对应的物理上行链路控制信道(PUCCH)中的混合自动重传请求-确认(HARQ-ACK)反馈的方法的流程图；
图14说明了根据示例的节点和无线设备的方框图；以及
图15说明了根据示例的无线设备的图。
现在将参照所说明的示例性实施例，并且在本文中将使用特定的语言来对其进行描述。然而将理解的是，并不因而意在限制本发明的范围。
具体实施方式
在公开和描述本发明之前，应该理解，本发明并不局限于本文公开的特定的结构、过程步骤或材料，而是被扩展到其等效形式，如在相关领域中的普通技术人员将认识到的。还应该理解，本文采用的术语仅用于描述特定示例的目的，并且并不意在是限制性的。不同附图中的相同附图标记代表相同的要素。流程图和过程中提供的数字为了清楚起见而在说明步骤和操作中被提供，并且不必指示特定的顺序或次序。
示例实施例
下面提供技术实施例的最初概述，并且接着在随后进一步详细地描述具体的技术实施例。这一最初概述意在帮助读者更快地理解该技术，但是并不意在标识技术的关键特征或基本特征，也并不意在限制请求保护的主题的范围。
可以经由被称为物理下行链路控制信道(PDCCH)的控制信道来控制在物理下行链路共享信道(PDSCH)上的数据的通信。PDCCH可以用于下行链路(DL)和上行链路(UL)资源分派、传输功率命令和寻呼指示符。PDSCH调度许可可以被指定到特定的无线设备(例如，UE)用于专用PDSCH资源分配以便承载UE特定业务，或者它能够被指定到小区中的所有无线设备用于公共PDSCH资源分配以便承载诸如系统信息或寻呼的广播控制信息。
在一个示例中，PDCCH和PDSCH可以代表在使用通用长期演进(LTE)帧结构的位于节点(例如eNodeB)和无线设备(例如UE)之间的下行链路传输中在物理(PHY)层上传输的无线帧结构的单元，如在图1中说明的。
图1说明了下行无线帧结构类型2。在该示例中，用于传输数据的信号的无线帧100可以被配置为具有10毫秒(ms)的持续时间Tf。每一个无线帧可以被分割或者划分为10个子帧110i，每一个子帧1ms长。每一个子帧可以被进一步细分为两个时隙120a和120b，每一个时隙具有0.5ms的持续时间Tslot。第一时隙(#0)120a可以包括传统物理下行链路控制信道(PDCCH)160和/或物理下行链路共享信道(PDSCH)166，并且第二时隙(#1)120b可以包括使用PDSCH传输的数据。
由节点和无线设备使用的分量载波(CC)的每一个时隙可以包括基于CC频率带宽的多个资源块(RB)130a、130b、130i、130m和130n。CC可以具有载波频率，该载波频率具有带宽和中心频率。CC的每一个子帧可以包括存在于传统PDCCH中的下行链路控制信息(DCI)。当使用传统PDCCH时，控制区域中的传统PDCCH可以包括每一个子帧或物理RB(PRB)中的第一OFDM符号的一到三列。子帧中的剩余11到13个符号(或者14个OFDM符号，当没有使用传统PDCCH时)可以被被分配到PDSCH用于数据(用于短或正常循环前缀)。
每一个RB(物理RB或PRB)130i可以包括每时隙12-15kHz子载波136(在频率轴上)和6或7个正交频分复用(OFDM)符号132(在时间轴上)。如果采用短或正常循环前缀，则RB可以使用七个OFDM符号。如果使用扩展循环前缀，则RB可以使用六个OFDM符号。资源块可以使用短或正常循环前缀而被映射到84个资源单元(RE)140i，或者资源块可以使用扩展循环前缀而被映射到72个RE(未示出)。RE可以是一个子载波(即，15kHz)146的一个OFDM符号142的单位。
在四相相移键控(QPSK)调制的情况下，每一个RE可以传输信息的两个比特150a和150b。可以使用其它类型的调制，例如16四相幅度调制(QAM)或64QAM以便在每一个RE中传输较大数量的比特，或者使用双相移键控(BPSK)调制以便在每一个RE中传输较小数量的比特(单个比特)。RB可以被配置用于从eNodeB到UE的下行链路传输，或者RB可以被配置用于从UE到eNodeB的上行链路传输。
每一个无线设备可以使用至少一个信号带宽、载波带宽或分量载波(CC)，如在图2中说明。例如，LTE CC带宽可以包括：1.4MHz 380、3MHz 382、5MHz 384、10MHz 386、15MHz388和20MHz 390。1.4MHz CC可以包括包含72个子载波的6个RB。3MHz CC可以包括包含180个子载波的15个RB。5MHz CC可以包括包含300个子载波的25个RB。10MHz CC可以包括包含600个子载波的50个RB。15MHz CC可以包括包含900个子载波的75个RB。20MHz CC可以包括包含1200个子载波的100个RB。
在PDCCH上承载的数据可以被称为下行链路控制信息(DCI)。可以在无线帧的一个子帧上调度多个无线设备。因此，可以使用多个PDCCH来发送多个DCI消息。可以使用一个或多个控制信道单元(CCE)来传输PDCCH中的DCI信息。CCE可以由一组资源单元组(REG)组成。传统CCE可以包括多达九个REG。每一个REG可以由四个资源单元(RE)组成。当使用四相调制时，每一个资源单元可以包括信息的两个比特。因此，传统CCE可以包括信息的多达72比特。当需要信息的多于72比特来传送DCI消息时，可以采用多个CCE。多个CCE的使用可以被称为聚合级。在一个示例中，聚合级可以被定义为被分配到一个PDCCH的1、2、4或8个连续CCE。
传统PDCCH会对在无线通信的其它领域中做出的进步产生限制。例如，CCE到OFDM符号中的子帧的映射被典型地扩展在控制区域之上以便提供空间分集。然而，对于当前的映射过程，没有波束成形分集会是可能的。
而且，传统PDCCH的容量可能对于高级控制信令不是足够的。例如，网络可以被配置为异构网络(HetNet)，其可以包括在单个宏小区服务区域中的多种不同种类的节点。更多的无线设备可以由HetNet中的宏小区和微微小区同时服务。PDCCH可以被指定为基于小区特定参考信号(CRS)进行解调，这会使充分发掘小区分割增益变得困难。传统PDCCH可能不足以传送允许无线设备利用HetNet中的多个传输节点来增加带宽并且减少无线设备处的电池使用所需的信息。
此外，多用户多输入多输出(MU-MIMO)、机器到机器通信(M2M)、多播/广播单频率网络中的PDSCH传输以及载波聚合中的交叉载波调度的使用会要求PDCCH的增加的容量。在无线设备处的PDCCH解调中UE特定参考信号(UERS)的使用可以允许使用HetNet中的多个节点。不是依赖于整个小区的单个公共参考符号(例如CRS)，每一个参考符号可以是UE特定的(例如UERS)。
例如，对于MU-MIMO操作，可以每子帧调度更多的无线设备(例如，UE)，这会增加用于下行链路调度的PDCCH资源需求。具有3个OFDM符号的最大PDCCH尺寸的传统PDCCH设计可能不会满足增加的PDCCH资源需求，这会因此限制来自MU-MIMO的增益。
位于PDSCH区域中的被称为增强型PDCCH(ePDCCH或E-PDCCH)的PDCCH扩展可以使用基于PRB(而不是基于CCE的PDCCH设计)的复用来增加PDCCH容量并且在HetNet的情况中提高增强型小区间干扰协调(elClC)支持。由于用于PDCCH中的DCI格式的传输的控制信道单元(CCE)的PDCCH交织，传统PDCCH在执行小区间干扰协调(ICIC)方面会被限制，该PDCCH交织会分布在整个带宽(BW)之上。相反，可以使用基于PRB的方案来设计PDSCH区域中的增强型PDCCH(E-PDCCH)以便支持频域ICIC。
在示例中，ICIC可以用于通过降低频域中的子信道的一部分的功率来减小相邻小区或节点(例如，协调节点或协作节点)之间的干扰，该功率可以在接近于节点处被接收。子信道不会干扰在相邻小区中使用的相同子信道，并且因而能够将数据发送到移动设备，在接近于小区的子信道上具有较少干扰。
另一ICIC技术是在异构网络(HetNet)的时域中使用的增强型ICIC(eICIC)，其中高功率宏小区可以使用诸如微微小区(购物中心中或机场处的热点)或毫微微小区(例如家庭或企业的小区域中的热点)的低功率节点进行补充。低功率节点可以存在于宏小区覆盖区域内部。宏小区可以传输长距离高功率信号，而低功率节点可以在短距离上传输低功率信号。在减轻宏小区和位于宏小区覆盖区域内的几个低功率节点之间的干扰的示例中，eICIC可以在宏小区中在时域中协调子帧的空白。如在本文使用的，小区可以指代被配置为与被称为小区覆盖区域的地理区域内的无线设备进行通信的节点(例如eNB)。
增强型PDCCH(ePDCCH)可以使用整个PRB或PRB对(其中PRB对是使用相同子载波的子帧的两个连续PRB)中的RE来克服传统PDCCH的限制，传统PDCCH仅使用子帧中的第一时隙PRB中的OFDM符号的前一到三列。因此，ePDCCH可以被配置有增加的容量以便允许在蜂窝网络的设计方面的进步并且最小化当前已知的挑战。
与传统PDCCH不同，ePDCCH可以与PDSCH一样被映射到PRB中的相同RE或区域中，但是在不同的PRB中。在示例中，PDSCH和ePDCCH可以不在相同的PRB(或相同的PRB对)内被复用。因而如果一个PRB(或一个PRB对)包含ePDCCH，则该PRB(或PRB对)中未使用的RE可以是空白的，因为RE不可以用于PDSCH。
图3说明了PRB对128中的ePDCCH的4个DCI 182、184、186和188。ePDCCH的每一个DCI可以由至少一个CCE进行传输，并且每一个CCE可以包括多个REG，并且每一个REG可以包括多个RE。图3说明了当多个聚合级一(AGL1)集中式CCE在一个PRB对中被复用时的ePDCCH的复用模式。聚合级一CCE(例如，单个CCE)可以包括DCI，因此四个CCE可以包括四个单独的DCI。在另一示例(未示出)中，聚合级二CCE(例如，两个CCE)可以包括一个DCI。PRB对还可以包括传统控制162(例如传统PDCCH)和参考信号，例如用于解调和信道估计的小区特定参考信号(CRS)170以及UE特定参考信号(UERS)172和174。在示例中，DCI 1和DCI 2可以使用UERE 172，该UERE 172可以不同于由DCI 3和DCI 4使用的UERS 174。
PRB或PRB对可以用于支持集中式ePDCCH和分布式ePDCCH传输。图4和图5说明在时隙或子帧中的集中式ePDCCH和分布式ePDCCH。在集中式ePDCCH 332a-b中，整个CCE 310a-h可以在子带338a和338c内的PRB 330a和330c(或PRB对)内，如在图4中说明的。在示例中，集中式CCE的REG(或RE)可以彼此邻接，其可以跟随有随后的CCE。在分布式ePDCCH 324a-b中，CCE 312a-b的REG 340a-b、342a-b、344a-b、346a-b、348a-b、350a-b、352a-b和354a-b可以分布在多个PRB 330b和330d(或PRB对)之上。一个PRB 330b中的REG 340a和另一个PRB330d中的REG 340b可以形成对于DCI或分布式ePDCCH的CCE 312a。在分布式ePDCCH中，CCE的REG可以分布在两个或更多个PRB(或两个或更多个PRB对)之上。在示例中，在分布式ePDCCH中使用的CCE的REG可以分布在不同的子带338b和338d之上。
图5提供被映射到子帧内的CCE、REG和RE中的集中式ePDCCH和分布式ePDCCH的另一示例。在图5的示例中，每一个资源块对可以包括两个资源块(RB或PRB)，每一个资源块具有位于无线帧的子帧中的第一和第二时隙中的相同的子载波，如图1所示。每一个RB可以包括至少一个CCE。CCE可以位于RB内的规定位置中。然而，CCE可以包括遍及整个资源块定位的REG。每一个REG可以包括四个RE。然而，基于系统要求，REG可以包括更多或更少的RE。在示例中，位于REG中的RE可以在频率和时间的至少一个上是邻接的。在另一示例中，位于REG中的RE可以在时间和/或频率上是分离的。CCE中的REG的数量可以是固定数量，例如九个。可选地，REG的数量可以基于DCI数据负荷要求(即，DCI数据的量)或者RB中的其它竞争要求而变化，该其它竞争要求例如是物理控制格式指示符信道(PCFICH)要求、物理混合-ARQ指示符信道(PHICH)要求和对在每一个资源块内分配的数据的资源符号要求。可以跨越物理资源块对中的时隙边界来映射CCE。
具有聚合级(AGL)一的集中式ePDCCH 402可以被映射到单个CCE，该单个CCE可以被映射到单个RB，如图5所示。类似地，具有聚合级二的集中式ePDCCH 404可以被映射到RB中的两个邻接CCE。对于分布式ePDCCH 406和408，CCE(例如CCE 1和CCE N)可以被映射到不同频率载波和子载波中的不同RB中的多个REG。例如，CCE N的REG可以在频率上进行分布。REG的频率分离可以提供频率分集增益。在示例中，CCE中的每一个REG可以被映射到单独的RB，尽管多于一个REG可以与另一个REG一样被映射到相同的RB。通过广泛地分布REG，可以产生较大的频率分集增益。CCE 1和CCE N中的REG可以在子帧中的RB当中具有相同的分布(未示出)或者不同的分布(未示出)。尽管在分布式ePDCCH 406和408中说明的REG的每一个被显示为在RB内的相同时间位置中，但是对于每一个各自的CCE，不要求分布式ePDCCH的RB内的相同时间位置。CCE 1和CCE N中的分布式REG可以在资源块内的不同时间位置中。子帧中的每一个CCE可以具有相同数量的REG或不同数量的REG。分布式ePDCCH可以具有一的聚合级。该一的聚合级暗示DCI信息可以被映射到单个CCE。
CCE中的REG在频率上到子帧中不同资源块的分布可以提供频率分集增益的增加。图5说明了分布式ePDCCH 406和408传输。
在另一示例中，当ePDCCH具有大于一的聚合级(例如，聚合级2、4或8)时，CCE可以包括集中式CCE或分布式CCE。集中式CCE可以是彼此邻接的CCE(对于具有大于一的聚合级的ePDCCH)，其可以在时间或者频率上跟随有随后的CEE。分布式CCE可以是非邻接的CCE(对于具有大于一的聚合级的ePDCCH)或分布在多个PRB(或PRB对)之上的CCE。
与传统PDCCH相比较，使用ePDCCH能够改变物理上行链路控制信道(PUCCH)资源分派。如图6所示，对于传统PDCCH的动态上行链路(UL)确认/否定确认(ACK/NACK)的PUCCH302资源分派可以由最低CCE索引(例如nCCE)和通过诸如无线资源控制(RRC)信令的较高层信令配置的动态和/或半静态边界索引(例如，和)联合地确定。例如，在传统LTE中，对于上行链路控制信息(UCI)格式1/1a/1b的形式的动态ACK/NACK的资源索引可以从隐含地得到，其中nCCE是用于相对应的DCI分派的传输的第一CCE的数量(即，用于构造PDCCH的最低CCE索引)，并且(见图9的)是通过诸如RRC信令的较高层配置的PUCCH资源值。上标“(1)”可以指代UCI格式1/1a/1b。PUCCH资源分配可以从传统PDCCH CCE数量得到。因为ePDCCH可以使用与位于传统PDSCH区域中的PDCCH不同的结构，因此，由于ePDCCH资源索引和传统PUCCH ACK/NACK资源之间的不可用的链接，传统PUCCH ACK/NACK资源映射可能不用于映射PUCCH资源用于与在ePDCCH中传输的下行链路(DL)许可相对应的混合自动重传请求-确认(HARQ-ACK)传输。图6说明了对于动态上行链路(UL)确认/否定确认(ACK/NACK)、其它控制信息和其它PUSCH数据的PUCCH和PUSCH 304资源映射分派二者。
PUCCH可以包括承载包括信道质量指示符(CQI)、混合自动重传请求(HARQ)ACK/NACK(A/N)和上行链路调度请求的上行链路控制信息(UCI)的上行链路物理信道。上行链路控制信息(UCI)可以包括从无线设备(例如，UE)传输到节点(例如，eNodeB)的控制信令(例如，确认(ACK)/否定确认(NACK)和信道质量指示符(CQI))。ACK可以是被传输以便指示一个或多个数据块(例如，ePDCCH PRB)已经被成功接收和解码的信号。NACK可以是被传输以便指示一个或多个数据块还没有被成功接收和解码的信号。
基于ePDCCH的PUCCH资源映射可以应用于频分双工(FDD)系统(即，方法1)或时分双工(TDD)系统(即，方法2)。时分双工(TDD)是时分复用(TMD)到单独的下行链路和上行链路信号的应用。在TDD中，下行链路信号和上行链路信号可以被承载在相同的载波频率上，其中下行链路信号使用与上行链路信号不同的时间间隔，因此下行链路信号和上行链路信号不生成对彼此的干扰。TDM是一种类型的数字复用，其中诸如下行链路或上行链路的两个或更多个比特流或信号作为一个通信信道中的子信道被明显同时地进行传送，但是在信道上物理地依次轮流。在频分双工(FDD)中，上行链路传输和下行链路传输可以使用不同的频率载波进行操作。在FDD中，由于下行链路信号与上行链路信号使用不同的频率载波，因此能够避免干扰。
可以基于多个被调度的无线设备(而不是小区中的活动无线设备)来映射PUCCH资源，其中可以取决于相对应的ePDCCH最低PRB索引来映射PUCCH资源。当PUCCH资源映射使用ePDCCH最低PRB索引时，PUCCH冲突可以得到减少或最小化，该ePDCCH最低PRB索引可以不同于PDCCH最低CCE索引。
如在图7中说明的，增强型控制信道单元(eCCE)201a-d可以由下行链路子帧202中的PRB对内的一组预定义资源单元(RE)238组成，该下行链路子帧202中的PRB对可以用于定义增强型控制信道(例如，ePDCCH)到资源单元的映射。eCCE可以包含对于诸如CRS、信道状态信息参考信号(CSI-RS)、UE特定参考信号(UERS)、解调参考信号(DMRS)220和/或其它参考信号的其它信号保留的RE。在图7所示的示例中，DMRS使用天线端口(AP)7和8216以及AP9和10218。在一个PRB 130i中复用多个eCCE的情况下，具有增加的索引的每一个eCCE 206的RE映射可以跟随频率首先映射顺序以便在eCCE聚合级大于一的情况下调整频率分集，如图7所示。在每一个eCCE内，RE映射可以跟随时隙120内的定时首先映射(未示出)。
对于FDD(即，方法1)，用于HARQ-ACK反馈的与ePDCCH相对应的上行链路子帧204中的PUCCH资源映射方法可以使用如由在本文被称为方程1的下面的方程表示的ePDCCH的第一PRB索引
[方程1]
其中0≤neCCE<E是下行链路子帧中用于相对应的PDCCH的传输的最低PRB(即，第一PRB)中的第一eCCE的索引号码，并且和以UE特定或小区特定的方式由较高层进行配置(例如，对于规定的RS)，是包括ePDCCH资源的至少一个eCCE的最低PRB索引，E是一个PRB中的eCCE的总数量。
第一eCCE的数量neCCE可以是用于构造用于相对应的DCI分派的传输的ePDCCH的最低CCE索引。在图7所示的示例中，对于eCCE0-eCCE3，E可以是4，其中eCCE0210a由neCCE＝0248a表示，eCCE1210b由neCCE＝1248b表示，eCCE2210c由neCCE＝2248c表示，eCCE3210d由neCCE＝3248d表示。最低PRB索引内的eCCE可以包括ePDCCH资源的部分或全部。如果相对应的PDCCH根据预定义的HARQ定时被检测到，则无线设备(例如，UE)可以使用在使用方程1映射的ePUCCH区域250中的PUCCH资源用于HARQ-ACK的传输。可以在上行链路子帧的RB 232中映射PUCCH资源E、neCCE和可以是正整数。
如在图8中说明的，参数242可以指代上行链路子帧204中的ePDCCH区域起始PRB索引。下行链路子帧202中的E-PDCCH区域240可以不从索引0236开始，因为节点可以尝试基于来自无线设备的CQI反馈来选择用于E-PDCCH传输的较好PRB。例如，从PRB 10开始到PRB 15(具有包括E-PDCCH资源的至少一个eCCE的最低PRB索引)的PRB对于E-PDCCH传输可以具有更好的信道质量。当无线设备执行对于E-PDCCH的PUCCH映射时，无线设备可以考虑E-PDCCH的偏移值(例如，)并且移动所映射的PUCCH，这可以减小上行链路控制开销。图8说明了具有和不具有的PUCCH资源映射。
对于具有PUCCH格式1a/1b的HARQ-ACK传输的ePUCCH资源的起始索引可以类似于对于上行链路子帧中的HARQ-ACK传输的ePUCCH资源的传统起始索引其中和是正整数，如图9所示。在示例中，上行链路控制信令可以通常被划分为两个类别：与控制信令相关联的下行链路数据，例如HARQ-ACK，和非关联的控制信令，例如CQI、预编码矩阵指示符(PMI)、轶指示符(RI)和/或调度请求(SR)。
诸如CQI的非关联的控制信令区域可以使用PUCCH格式2/2a/2b在CQI区域260中的带边缘RB上进行传输，该PUCCH格式2/2a/2b后面是混合区域262中的CQI PUCCH格式2/2a/2b和SR/HARQ-ACK格式1a/1b/1的混合PUCCH PRB。起始索引可以用于指示对于具有PUCCH格式1a/1b的HARQ-ACK传输的传统PDCCH 264的HARQ-ACK区域中的PUCCH资源的起始索引。类似地，起始索引可以指示与ePDCCH 250的HARQ-ACK相关联的PUCCH资源的起始索引，因为传统PUCCH区域可以存在于相同的上行链路子帧中，如图9所示。节点(例如eNB)可以使用信号的方式发送ePDCCH映射的偏移值以便避免E-PDCCH和传统PDCCH区域之间的PUCCH冲突。
例如，在没有方程1中的的情况下，E-PDCCH的PRB 0中的eCCE0可以与PUCCH信道0相关联，如果在传统PDCCH区中传输传统DCI，则这会生成与传统PDCCH区域中的CCE0(cce_0)的不可避免的冲突。为了避免信号冲突，节点可以基于对于传统PDCCH区域保留的最大PUCCH信道来设置起始索引例如，如果节点知道对于传统PDCCH区域的最大PUCCH信道高达PUCCH信道100，则节点可以通过保留前100个PUCCH信道用于传统PDCCH区域来设置这可以最小化传统PDCCH的HARQ-ACK和ePDCCH的HARQ-ACK之间的冲突。
起始索引和可以指示PUCCH信道索引偏移，其中起始索引和可以具有PUCCH信道而不是PRB的单位。在示例中，一个PRB可以适应多达36个PUCCH信道。起始索引和能够与UL子帧的PUCCH信道索引相对应，而不是与DL子帧的PRB或eCCE相对应。
REG而非PRB的概念可以用于传统PDCCH。传统PDCCH可以在CCE中进行传输，其中每一个CCE可以与被称为REG的四个物理资源单元的组相对应。E-PDCCH可以与PRB相关联，这可以不同于传统PDCCH区域。
图10说明了对于FDD的方法1的实施例，其中E＝4以并且可以使用ePDCCH的两种传输模式中的至少一种，该两种传输模式例如是增强型控制信道的集中式和分布式传输。对于分布式模式270(例如，模式1)，对于DCI(例如DCI-0274)的ePDCCH传输可以根据预定义的、预定的和/或以信号的方式发送的分布式传输模式而被映射到两个PRB(例如，PRB 12和15)中。在示例中，预定义的或以信号的方式发送的分布式传输模式可以指定两个PRB在ePDCCH PRB之间的PRB间隔(例如，每第三个PRB用于对于DCI的分布式ePDCCH)。基于在方程1中的每一个参数的定义，用于PUCCH资源映射的参数值可以基于PRB索引278而被设置为并且对于PRB 12和15中的eCCE1212b和214b，neCCE＝1。对于图10说明的ePDCCH的分布式模式的相对应的PUCCH资源可以被计算为PUCCH信道。在分布式模式中，可以一起传输对于不同DCI的eCCE212a-d和214a-d。
对于集中式模式(连续模式)272(例如，模式2)，具有对于DCI(例如，DCI-1276)的ePDCCH传输208的eCCE可以被映射到包括八个eCCE 216a-d和218a-d(例如，聚合级8)的两个连续PRB(例如，PRB17和18)中。可以基于所检测的ePDCCH来将用于PUCCH资源映射的参数值设置为和neCCE＝0。可以将对于图10中说明的ePDCCH的集中式模式的相对应的PUCCH资源计算(使用方程1)为PUCCH信道。
在另一实施例中，TDD ACK/NACK捆绑或TDD ACK/NACK复用(即，方法2)可以用于映射与ePDCCH相对应的PUCCH资源用于上行链路子帧n 282(图11)中的HARQ-ACK反馈，如由方程2表示的。
[方程2]
其中neCCE是子帧n-km中用于相对应的ePDCCH的传输的第一eCCE的数量，并且相应地，0≤m≤M-1，其中km是在集合K中的最小值，使得无线设备检测子帧n-km中的PDCCH。
因为TDD对于下行链路和上行链路传输使用相同的频率载波，因此可以基于上行链路-下行链路(UL-DL)子帧配置来在被分配用于上行链路传输的子帧上传输位于上行链路传输上的反馈(例如，ACK/NACK反馈)。表1说明了LTE中使用的七个UL-DL配置，其中“D”代表下行链路子帧，“S”代表特殊子帧，并且“U”代表上行链路子帧。
表1
如由表1说明的，UL-DL配置0可以包括帧2、3、4、7、8和9中的6个上行链路子帧，并且提供对于下行链路和特殊子帧0、1、5和6的反馈；并且UL-DL配置5可以包括帧2中的一个上行链路子帧并且提供对于下行链路和特殊子帧0、1、3-9的反馈。基于上行链路-下行链路配置，每一个上行链路子帧n可以与下行链路子帧相关联，其中每一个上行链路子帧n可以具有下行链路关联性集合索引K∈{k0,k1,...kM-1}，其中M被定义为在集合K中的单元的数量，如由表2说明的。
表2
表2示出了在上行链路子帧处理对于某些下行链路子帧的ACK/NACK反馈时下行链路子帧捆绑的示例。例如，在上行链路-下行链路配置4中，上行链路子帧2(子帧n)处理对于下行链路和特殊子帧的ACK/NACK反馈，该下行链路和特殊子帧是比上行链路子帧2(即，下行链路和特殊子帧{0,4,5,1}(或者下行链路和特殊子帧n-km))更早的{12,8,7,11}子帧(子帧km)，并且M等于4。上行链路子帧3(子帧n)处理对于下行链路子帧的ACK/NACK反馈，该下行链路子帧是比上行链路子帧3(即，下行链路子帧{7,8,9,6}(或下行链路子帧n-km))更早的{6,5,4,7}子帧(子帧km)，并且M等于4。对于上行链路-下行链路配置5，上行链路子帧2，M等于9。对于上行链路-下行链路配置0，上行链路子帧2，M等于一，并且上行链路子帧3，M等于0。取决于上行链路-下行链路配置，一个上行链路子帧可以负责对于一个或多个下行链路子帧的ACK/NACK反馈。在某些情况下，可以期望在上行链路子帧责任之间的均匀分布以便减少其中一个上行链路子帧负责对于大量下行链路和特殊子帧的ACK/NACK反馈的情况。表3说明了上行链路子帧n对于其提供ACK/NACK反馈的现有的下行链路子帧号码。
表3
回来参照方程2的参数，是包括子帧n-km中的ePDCCH资源的至少一个eCCE的最低PRB索引。参数可以是小区特定参数或UE特定参数(或者由RS确定的其它特定参数)，其从系统的观点或者UE特定的观点指示用于下行链路子帧n-ki中的ePDCCH的传输的ePDCCH RB，其中i是总和的整数增量。ePDCCH RB参数可以由诸如RRC信令的高层信令半静态地通过信号的方式进行发送，或者在每一个下行链路子帧中经过诸如物理控制格式指示符信道(PCFICH)的特殊物理信道被动态地通过信号的方式进行发送，该物理控制格式指示符信道(PCFICH)可以用于通过信号的方式发送PDCCH或ePDCCH的长度。可选地，ePDCCH RB参数可以隐含地根据如在方程3中示出的系统带宽由无线设备进行确定。
[方程3]
其中是取决于系统下行链路带宽配置(见图2)的PRB的数量。在示例中，在方程2中使用的参数的定义可以与在方程1中使用的那些参数相同，如果在方程1中被定义。在示例中，方程1和2的参数可以改变(例如，被移除)，这可以限制PUCCH资源利用。通过NPRB,ePDCCH的正确设置，通过保留对于传统PDCCH的ACK/NACK反馈和其它控制信息的刚好足够的PUCCH信道，可以最小化所保留的PUCCH资源。使用减少数量的所保留的PUCCH资源，更多的上行链路RB可以用于PUSCH传输，这可以增加上行链路系统吞吐量。
图11说明了在上行链路带宽284中使用具有对于上行链路子帧n 282的TDD ACK/NACK捆绑或TDD ACK/NACK复用的TDD的PUCCH资源292a-d映射的方法1的实施例，其中M＝4。在图11中说明的示例中，上行链路子帧n可以提供对于4个下行链路子帧280的ACK/NACK反馈(例如，对于m＝{0,1,2,3}294，n-k0到n-k3290a-d)。
在使用方法2的另一示例中，上行链路子帧n 282可以包括与下行链路分派索引(DAI)298a-b相对应的PUCCH信道。如果M＝2(与DAI相关联的不同的M)并且ePDCCH传输在子帧n-k0和n-k2中单独地发生，则根据方法2，基于“DAI＝2”下行链路子帧中的PRB索引的PUCCH资源可以用于HARQ-ACK反馈。例如，可以在子帧n-k0292a中对于ePDCCH的PUCCH资源中传输与DAI＝1298a相对应的PUCCH信道，并且可以在子帧n-k0292c中对于ePDCCH的PUCCH资源中传输与DAI＝2298a相对应的PUCCH信道。下行链路分派索引(DAI)可以是被通过信号的方式发送到无线设备的下行链路资源许可中的字段，向该无线设备指示在先前的时间窗包含的传输中有多少个子帧。DAI可以应用于时域双工(TDD)模式中，并且可以使无线设备能够确定无线设备是否已经接收到该无线设备对于其传输组合的ACK/NACK的所有下行链路子帧或传输块。
另一示例提供用于与来自节点的增强型物理下行链路控制信道(ePDCCH)相对应的物理上行链路控制信道(PUCCH)资源映射的方法500，如在图12的流程图中所示。该方法可以作为指令在机器上被执行，其中该指令被包括在至少一个计算机可读介质上。该方法包括映射与ePDCCH相对应的PUCCH资源用于PUCCH资源混合自动重传请求-确认(HARQ-ACK)反馈的操作，其中使用包括ePDCCH资源的至少一个增强型控制信道单元(eCCE)的最低PRB索引和一个物理资源块(PRB)中的eCCE的总数量来确定PUCCH资源如在块510中所示。
在另一示例中，可以通过使用对于ePDCCH区域的起始物理资源块(PRB)索引、包括ePDCCH资源的至少一个增强型控制信道单元(eCCE)的最低PRB索引、一个物理资源块(PRB)中的eCCE的总数量、对于ePDCCH区域的起始PRB索引以及下行链路子帧中用于相对应的ePDCCH的传输的最低PRB中的第一eCCE索引号码中的至少一个来确定PUCCH资源
在频分双工(FDD)示例中，PUCCH资源可以由表示，其中E是一个PRB中的eCCE的总数量，是包括ePDCCH资源的至少一个eCCE的最低PRB索引，是对于ePDCCH区域的起始PRB索引，neCCE是下行链路子帧中用于相对应的ePDCCH的传输的最低PRB中的第一eCCE索引号码，其中0≤neCCE<E，并且是对于上行链路子帧中的ePUCCH区域的起始PUCCH信道索引并且由每一个用户设备(UE)的高层进行配置。对于上行链路子帧中的ePUCCH区域的起始PUCCH信道索引可以大于零对于ePDCCH区域的起始PRB索引可以大于零并且包括ePDCCH资源的至少一个eCCE的最低PRB索引可以由无线资源控制(RRC)信令配置为小区特定参数或UE特定参数，并且E可以是由诸如LTE规范的规范定义的固定参数。
在时分双工(TDD)示例中，PUCCH资源可以由表示，其中E是一个PRB中的eCCE的总数量，是对于ePDCCH区域的起始PRB索引，是对于上行链路子帧中的ePUCCH区域的起始PUCCH信道索引并且由每一个用户设备(UE)的高层配置，是包括下行链路子帧n-km中的ePDCCH资源的至少一个eCCE的最低PRB索引，neCCE是下行链路子帧n-km中用于相对应的ePDCCH的传输的第一eCCE索引号码，其中n是与下行链路子帧n-km相关联的上行链路子帧，km是下行链路子帧n-km中具有ePDCCH的下行链路关联性集合K＝{k0,k1,...kM-1}中的最小值，其中M是集合K中的元素的数量并且0≤m≤M-1，并且是下行链路子帧n-ki中用于ePDCCH的传输的ePDCCH PRB的数量。可以是下行链路带宽配置的PRB的数量对于上行链路子帧中的ePUCCH区域的起始PUCCH信道索引可以大于零对于ePDCCH区域的起始PRB索引可以大于零并且包括ePDCCH资源的至少一个eCCE的最低PRB索引可以由无线资源控制(RRC)信令配置为小区特定参数或UE特定参数，并且E可以是由诸如LTE规范的规范定义的固定参数。可以是由无线资源控制(RRC)信令半静态地配置或者经由物理控制格式指示符信道(PCFICH)动态地配置的小区特定参数或UE特定参数。M可以是整数，0≤M≤9。
在另一示例中，ePDCCH可以使用eCCE的集中式ePDCCH传输或eCCE的分布式ePDCCH传输。PUCCH资源可以是PUCCH格式1、1a或1b的资源索引。
另一示例提供用于在无线设备处生成位于与增强型物理下行链路控制信道(ePDCCH)相对应的物理上行链路控制信道(PUCCH)中的混合自动重传请求-确认(HARQ-ACK)反馈的方法600，如图13中的流程图所示。该方法可以作为指令在机器上被执行，其中该指令被包括在至少一个计算机可读介质或者一个非暂态机器可读存储介质上。该方法包括在无线设备处从节点接收与ePDCCH相对应的PUCCH资源的映射的参数用于PUCCH资源HARQ-ACK反馈的操作，其中使用一个物理资源块(PRB)中的增强型控制信道单元(eCCE)的总数量来确定PUCCH资源如在块610中所示。接下来是基于该映射经由PUCCH将ePDCCH的HARQ-ACK反馈从无线设备传输到节点的操作，如在块620中所示。PUCCH资源的映射的参数可以包括和/或在另一示例中，无线设备可以基于该参数生成PUCCH资源的映射。
在另一示例中，可以通过使用对于ePDCCH区域的起始物理资源块(PRB)索引、包括ePDCCH资源的至少一个增强型控制信道单元(eCCE)的最低PRB索引、一个物理资源块(PRB)中的eCCE的总数量、对于ePDCCH区域的起始PRB索引和下行链路子帧中用于相对应的ePDCCH的传输的最低PRB中的第一eCCE索引号码中的至少一个来确定PUCCH资源
在频分双工(FDD)示例中，PUCCH资源可以由表示，其中E是一个PRB中的eCCE的总数量，是包括ePDCCH资源的至少一个eCCE的最低PRB索引，是对于ePDCCH区域的起始PRB索引，neCCE是下行链路子帧中用于相对应的ePDCCH的传输的最低PRB中的第一eCCE索引号码，其中0≤neCCE<E，并且是对于上行链路子帧中的ePUCCH区域的起始PUCCH信道索引并且由每一个用户设备(UE)的高层进行配置。可以由每一个无线设备(例如，UE)的高层进行配置。
在时分双工(TDD)示例中，PUCCH资源可以由表示，其中E是一个PRB中的eCCE的总数量，是对于ePDCCH区域的起始PRB索引，是对于上行链路子帧中的ePUCCH区域的起始PUCCH信道索引并且由每一个用户设备(UE)的高层进行配置，是包括下行链路子帧n-km中的ePDCCH资源的至少一个eCCE的最低PRB索引，neCCE是下行链路子帧n-km中用于相对应的ePDCCH的传输的第一eCCE索引号码，其中n是与下行链路子帧n-km相关联的上行链路子帧，km是下行链路子帧n-km中具有ePDCCH的下行链路关联性集合K＝{k0,k1,...kM-1}中的最小值，其中M是集合K中的元素的数量并且0≤m≤M-1，并且是下行链路子帧n-ki中用于ePDCCH的传输的ePDCCH PRB的数量。可以由每一个无线设备(例如UE)的高层配置。
该方法可以进一步包括无线设备从节点接收ePDCCH，并且该无线设备可以确定ePDCCH是否被正确地接收，其中ePDCCH的HARQ-ACK反馈基于ePDCCH的接收。在另一示例中，ePDCCH可以使用eCCE的集中式ePDCCH传输或eCCE的分布式ePDCCH传输。PUCCH资源可以是PUCCH格式1、1a或1b的资源索引。
图14说明了示例节点710和示例无线设备720。节点可以包括节点设备712。节点设备或节点可以被配置为与无线设备进行通信。节点设备可以被配置为映射与增强型物理下行链路控制信道(ePDCCH)相对应的物理上行链路控制信道(PUCCH)资源使用。节点设备可以包括处理模块714和收发机模块716。可以包括PUCCH资源映射器的处理模块可以被配置为映射与ePDCCH相对应的PUCCH资源用于PUCCH资源混合自动重传-确认(HARQ-ACK)反馈。可以使用包括ePDCCH资源的至少一个增强型控制信道单元(eCCE)的最低PRB索引来确定PUCCH资源收发机模块可以被配置为与无线设备进行通信并且将PUCCH资源的映射的参数发送到无线设备且基于该映射经由PUCCH接收混合自动重传-确认(HARQ-ACK)反馈。对于PUCCH资源的映射的参数可以包括和/或
在另一示例中，可以通过使用对于ePDCCH区域的起始物理资源块(PRB)索引、包括ePDCCH资源的至少一个增强型控制信道单元(eCCE)的最低PRB索引、一个物理资源块(PRB)中的eCCE的总数量、对于ePDCCH区域的起始PRB索引和下行链路子帧中用于相对应的ePDCCH的传输的最低PRB中的第一eCCE索引号码中的至少一个来确定PUCCH资源
在频分双工(FDD)示例中，PUCCH资源可以由上面描述的方程1表示。在时分双工(TDD)示例中，PUCCH资源可以由上面描述的方程2表示。收发机模块可以进一步操作为通过无线资源控制(RRC)信令半静态地配置或者经由物理控制格式指示符信道(PCFICH)动态地配置作为小区特定参数或UE特定参数。在另一示例中，ePDCCH可以使用eCCE的集中式ePDCCH传输或者eCCE的分布式ePDCCH传输。PUCCH资源可以是PUCCH格式1、1a或1b的资源索引。
节点710可以包括基站(BS)、节点B(NB)、演进型节点B(eNB)、基带单元(BBU)、远程无线电头端(RRH)、远程无线设备(RRE)或远程无线单元(RRU)。
无线设备720可以包括收发机模块724和处理模块722。无线设备可以被配置为生成位于与增强型物理下行链路控制信道(ePDCCH)相对应的物理上行链路控制信道(PUCCH)中的混合自动重传-确认(HARQ-ACK)反馈。收发机模块可以被配置为从节点接收与ePDCCH相对应的PUCCH资源的映射的参数用于PUCCH资源HARQ-ACK反馈，并且基于该映射经由PUCCH将该ePDCCH的HARQ-ACK反馈传输到节点。对于PUCCH资源的映射的参数可以包括 和/或在示例中，处理模块可以被配置为基于该参数生成对于PUCCH资源的映射。在另一示例中，可以使用对于ePDCCH区域的起始PUCCH信道索引来确定PUCCH资源在另一示例中，可以通过使用对于ePDCCH区域的起始物理资源块(PRB)索引、包括ePDCCH资源的至少一个增强型控制信道单元(eCCE)的最低PRB索引、一个物理资源块(PRB)中的eCCE的总数量、对于ePDCCH区域的起始PRB索引和下行链路子帧中用于相对应的ePDCCH的传输的最低PRB中的第一eCCE索引号码中的至少一个来确定PUCCH资源
在示例中，收发机模块724可以被进一步配置为从节点接收ePDCCH。处理模块722可以被配置为确定ePDCCH是否被正确地接收。ePDCCH的HARQ-ACK反馈可以基于ePDCCH的接收。在频分双工(FDD)示例中，PUCCH资源可以由上面描述的方程1表示。在时分双工(TDD)示例中，PUCCH资源可以由上面描述的方程2表示。收发机模块可以进步一操作为通过无线资源控制(RRC)信令半静态地配置或者经由物理控制格式指示符信道(PCFICH)动态地配置作为小区特定参数或UE特定参数。在另一示例中，ePDCCH可以使用eCCE的集中式ePDCCH传输或eCCE的分布式ePDCCH传输。PUCCH资源可以是PUCCH格式1、1a或1b的资源索引。
图15提供诸如用户设备(UE)、移动站(MS)、移动无线设备、移动通信设备、平板计算机、手持设备或者其它类型的无线设备的无线设备的示例说明。无线设备可以包括被配置为与节点、宏节点、低功率节点(LPN)或诸如基站(BS)、演进型节点B(eNB)、基带单元(BBU)、远程无线电头端(RRH)、远程无线电设备(RRE)、中继站(RS)、无线电设备R(RE)的传输站或者其它类型的无线广域网(WWAN)接入点进行通信的一个或多个天线。无线设备可以被配置为使用包括3GPP LTE、WiMAX、高速分组接入(HSPA)、蓝牙和WiFi中的至少一个的无线通信标准进行通信。无线设备可以使用对于每一个无线通信标准单独的天线或者使用对于多个无线通信标准共享的天线进行通信。无线设备可以在无线局域网(WLAN)、无线个人域网(WPAN)和/或WWAN中进行通信。
图15还提供可以用于来自无线设备的音频输入和输出的麦克风和一个或多个扬声器。显示屏可以是液晶显示器(LCD)屏幕或者诸如有机发光二极管(OLED)显示器的其它类型的显示屏。显示屏可以被配置为触摸屏。触摸屏可以使用电容、电阻或另一类型的触摸屏技术。应用处理器和图形处理器可以耦合到内部存储器以便提供处理和显示能力。非易失性存储器端口也可以用于向用户提供数据输入/输出选项。非易失性存储器端口也可以用于扩展移动设备的存储器能力。键盘可以与无线设备集成在一起或者无线地连接到该无线设备以便提供额外的用户输入。也可以使用触摸屏来提供虚拟键盘。
各种技术或其某些方面或部分可以采取被体现在有形介质中的程序代码(即，指令)的形式，该有形介质例如是软盘、CD-ROM、硬驱或任何其它机器可读存储介质，其中当程序代码被装入到诸如计算机的机器中并且由该机器执行时，该机器变为用于实施各种技术的装置。在程序代码在可编程计算机上执行的情况下，计算设备可以包括处理器、由处理器可读的存储介质(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。可以实现或利用本文描述的各种技术的一个或多个程序可以使用应用编程接口(API)、可重用的控制等等。这样的程序可以在高级面向过程或面向对象的编程语言中实现以便与计算机系统进行通信。然而，程序可以在汇编或机器语言中实现，如果期望。在任何情况下，该语言可以是编译或解释语言，并且与硬件实现进行组合。
应该理解，已经将在这一说明书中描述的许多功能单元标记为模块，以便更特别地强调它们的实现独立性。例如，模块可以被实现为包括定制VLSI电路或门阵列、现成的半导体的硬件电路，该现成的半导体例如是逻辑芯片、晶体管或其它分立部件。也可以在可编程硬件设备中实现模块，该可编程硬件设备例如是现场可编程门阵列、可编程阵列逻辑、可编程逻辑器件等等。
也可以在用于由各种类型的处理器执行的软件中实现模块。可执行代码的所标识的模块可以例如包括计算机指令的一个或多个物理或逻辑块，其可以例如被组织为对象、过程或函数。然而，所标识的模块的可执行体不需要物理地定位在一起，但是可以包括存储在不同位置中的不同指令，当被在逻辑上连接到一起时，该指令包括模块并且实现对于该模块的规定目的。
实际上，可执行代码的模块可以是单个指令或许多指令，并且可以甚至分布在几个不同的代码段上、在不同的程序当中或者遍及几个存储器设备。类似地，操作数据可以在本文中被标识和说明在模块内，并且可以被体现在任何适当的形式中且被组织在任何适当类型的数据结构内。操作数据可以作为单个数据集被收集，或者可以分布在不同的位置上，包括在不同的存储设备上，并且可以仅作为系统或网络上的电子信号而至少部分地存在。模块可以是无源的或有源的，包括可操作为执行期望功能的代理。
在整个这一说明书中对“一个实施例”或“实施例”的提及意味着结合该实施例描述的特定特征、结构或特性包括在本发明的至少一个实施例中。因此，短语“在一个实施例中”或“在实施例中”在整个这一说明书中的不同地方的出现并不一定都指代相同的实施例。
如在本文使用的，多个项目、结构元件、组合元件和/或材料可以为了方便起见而被呈现在公共列表中。然而，这些列表应该被解释为好像该列表的每一个成员被单独地识别为单独和唯一的成员一样。因而，这样的列表的单独成员不应该仅基于其在公共组中的呈现而被解释为相同列表的任何其它成员的实际等同物。此外，可以在本文参考本发明的各种实施例和示例连同其各种部件的可选形式。应该理解，这样的实施例、实例和可选形式不应该被解释为彼此的实际等效形式，而应该被考虑为本发明的单独和自主的表示。
而且，所描述的特征、结构或特性可以在一个或多个实施例中按照任何适当的方式进行组合。在下面的描述中，提供了很多特定的细节，例如材料、扣件、尺寸、长度、宽度、形状等等的示例，以便提供对本发明实施例的彻底理解。然而，相关领域中的技术人员将认识到，可以在没有一个或多个特定细节的情况下，或者在使用其它方法、部件、材料等等的情况下，来实施本发明。在其它实例中，没有详细显示和描述公知的结构、材料或操作，以便避免使本发明的方面难于理解。
尽管前述实例在一个或多个具体的应用中说明了本发明的原理，但是对本领域中的普通技术人员来说将明显的是，可以在不运用创造性能力且不偏离本发明的原理和概念的情况下进行实现的形式、使用和细节上的许多修改。因此，并不意在限制本发明，除了如下面阐述的权利要求那样。

Claims (14)

1.一种用于与来自节点的增强型物理下行链路控制信道(ePDCCH)相对应的物理上行链路控制信道(PUCCH)资源映射的方法，包括：
映射与ePDCCH相对应的PUCCH资源用于PUCCH资源混合自动重传请求-确认(HARQ-ACK)反馈，其中，使用包括ePDCCH资源的至少一个增强型控制信道单元(eCCE)的最低PRB索引和一个物理资源块(PRB)中的eCCE的总数量来确定所述PUCCH资源
其中，对于频分双工(FDD)，所述PUCCH资源由表示，其中E是一个PRB中的eCCE的总数量，是包括ePDCCH资源的至少一个eCCE的最低PRB索引，是对于ePDCCH区域的起始PRB索引，neCCE是下行链路子帧中用于相对应的ePDCCH的传输的最低PRB中的第一eCCE索引号码，其中0≤neCCE＜E，并且是上行链路子帧中对于ePUCCH区域的起始PUCCH信道索引且由每一个用户设备(UE)的高层进行配置；或者
对于时分双工(TDD)，所述PUCCH资源由表示，其中，E是一个PRB中的eCCE的总数量，是对于ePDCCH区的起始PRB索引，是上行链路子帧中对于ePUCCH区域的起始PUCCH信道索引且由每一个用户设备(UE)的高层进行配置，是下行链路子帧n-km中包括ePDCCH资源的至少一个eCCE的最低PRB索引，neCCE是所述下行链路子帧n-km中用于相对应的ePDCCH的传输的第一eCCE索引号码，其中n是与所述下行链路子帧n-km相关联的上行链路子帧，km是下行链路子帧n-km中具有ePDCCH的下行链路关联性集合K＝{k0,k1,...kM-1}中的最小值，其中M是所述集合K中的元素的数量且0≤m≤M-1，并且是下行链路子帧n-ki中用于ePDCCH的传输的ePDCCH PRB的数量。
2.如权利要求1所述的方法，其中，并且由无线资源控制(RRC)信令配置为小区特定参数或UE特定参数，并且E是由规范定义的固定参数。
3.如权利要求1所述的方法，其中，并且由无线资源控制(RRC)信令配置为小区特定参数或UE特定参数，E是由规范定义的固定参数，并且是由无线资源控制(RRC)信令半静态地配置或者经由物理控制格式指示符信道(PCFICH)动态地配置的小区特定参数或UE特定参数。
4.一种具有用于实现如权利要求1所述的方法的逻辑的系统。
5.一种具有被配置为用于映射与增强型物理下行链路控制信道(ePDCCH)相对应的物理上行链路控制信道(PUCCH)资源使用的节点设备，包括：
处理模块，被配置为映射与ePDCCH相对应的PUCCH资源用于PUCCH资源混合自动重传请求-确认(HARQ-ACK)反馈，其中，使用包括ePDCCH资源的至少一个增强型控制信道单元(eCCE)的最低PRB索引来确定所述PUCCH资源
其中，对于频分双工(FDD)，所述PUCCH资源由表示，其中E是一个物理资源块(PRB)中的eCCE的总数量，是包括ePDCCH资源的至少一个eCCE的最低PRB索引，是对于ePDCCH区域的起始PRB索引，neCCE是下行链路子帧中用于相对应的ePDCCH的传输的最低PRB中的第一eCCE索引号码，其中0≤neCCE＜E，并且是上行链路子帧中对于ePUCCH区域的起始PUCCH信道索引且由每一个用户设备(UE)的高层进行配置；或者对于时分双工(TDD)，所述PUCCH资源由表示，其中E是一个物理资源块(PRB)中的eCCE的总数量，是对于ePDCCH区域的起始PRB索引，是上行链路子帧中对于ePUCCH区域的起始PUCCH信道索引且由每一个用户设备(UE)的高层进行配置，是下行链路子帧n-km中包括ePDCCH资源的至少一个eCCE的最低PRB索引，neCCE是所述下行链路子帧n-km中用于相对应的ePDCCH的传输的第一eCCE索引号码，其中n是与所述下行链路子帧n-km相关联的上行链路子帧，km是下行链路子帧n-km中具有ePDCCH的下行链路关联性集合}中的最小值，其中M是所述集合K中的元素的数量且0≤m≤M-1，并且是下行链路子帧n-ki中用于ePDCCH的传输的ePDCCH PRB的数量。
6.如权利要求5所述的节点设备，进一步包括：
收发机模块，被配置为与无线设备进行通信，并且将所述PUCCH资源的映射发送到所述无线设备，且基于所述映射经由PUCCH接收混合自动重传请求-确认(HARQ-ACK)反馈。
7.如权利要求5所述的节点设备，其中，所述PUCCH资源是PUCCH格式1、1a或1b的资源索引，并且所述ePDCCH使用所述eCCE的集中式ePDCCH传输或者所述eCCE的分布式ePDCCH传输。
8.一种用于在无线设备处生成位于与增强型物理下行链路控制信道(ePDCCH)相对应的物理上行链路控制信道(PUCCH)中的混合自动重传请求-确认(HARQ-ACK)反馈的方法，包括：
在所述无线设备处从节点接收与ePDCCH相对应的PUCCH资源的映射的参数用于PUCCH资源HARQ-ACK反馈，其中，使用一个物理资源块(PRB)中的增强型控制信道单元(eCCE)的总数量来确定所述PUCCH资源并且
基于所述映射经由PUCCH将所述ePDCCH的HARQ-ACK反馈从所述无线设备传输到所述节点，
其中，对于频分双工(FDD)，所述PUCCH资源由表示，其中E是一个PRB中的eCCE的总数量，是包括ePDCCH资源的至少一个eCCE的最低PRB索引，是上行链路子帧中对于ePDCCH区域的起始PUCCH信道索引，neCCE是下行链路子帧中用于相对应的ePDCCH的传输的最低PRB中的第一eCCE索引号码，其中0≤neCCE＜E，并且是对于ePUCCH区域的起始PRB索引且由每一个用户设备(UE)的高层进行配置；或者
对于时分双工(TDD)，所述PUCCH资源由表示，其中E是一个PRB中的eCCE的总数量，是对于ePDCCH区域的起始PRB索引，是上行链路子帧中对于ePUCCH区域的起始PUCCH信道索引且由每一个用户设备(UE)的高层进行配置，是下行链路子帧n-km中包括ePDCCH资源的至少一个eCCE的最低PRB索引，neCCE是所述下行链路子帧n-km中用于相对应的ePDCCH的传输的第一eCCE索引号码，其中n是与所述下行链路子帧n-km相关联的上行链路子帧，km是下行链路子帧n-km中具有ePDCCH的下行链路关联性集合K＝{k0,k1,...kM-1}中的最小值，其中M是所述集合K中的元素的数量且0≤m≤M-1，并且是下行链路子帧n-ki中用于ePDCCH的传输的ePDCCH PRB的数量。
9.如权利要求8所述的方法，进一步包括：
在所述无线设备处从所述节点接收ePDCCH；并且
确定所述ePDCCH是否被正确地接收，其中，所述ePDCCH的所述HARQ-ACK反馈基于所述ePDCCH的接收。
10.一种被配置为生成位于与增强型物理下行链路控制信道(ePDCCH)相对应的物理上行链路控制信道(PUCCH)中的混合自动重传请求-确认(HARQ-ACK)反馈的无线设备，包括：
收发机模块，被配置为：
从节点接收与ePDCCH相对应的PUCCH资源的映射的参数用于PUCCH资源HARQ-ACK反馈，其中，使用对于ePDCCH区域的起始PUCCH信道索引来确定所述PUCCH资源并且
基于所述映射经由PUCCH将所述ePDCCH的HARQ-ACK反馈传输到所述节点，
其中，对于频分双工(FDD)，所述PUCCH资源由表示，其中E是一个物理资源块(PRB)中的增强型控制信道单元(eCCE)的总数量，是包括ePDCCH资源的至少一个eCCE的最低PRB索引，是对于ePDCCH区域的起始PRB索引，neCCE是下行链路子帧中用于相对应的ePDCCH的传输的最低PRB中的第一eCCE索引号码，其中0≤neCCE＜E，并且是上行链路子帧中对于ePUCCH区域的起始PUCCH信道索引且由每一个用户设备(UE)的高层进行配置；或者
对于时分双工(TDD)，所述PUCCH资源由表示，其中E是一个物理资源块(PRB)中的增强型控制信道单元(eCCE)的总数量，是对于ePDCCH区域的起始PRB索引，是上行链路子帧中对于ePUCCH区域的起始PUCCH信道索引且由每一个用户设备(UE)的高层进行配置，是下行链路子帧n-km中包括ePDCCH资源的至少一个eCCE的最低PRB索引，neCCE是所述下行链路子帧n-km中用于相对应的ePDCCH的传输的第一eCCE索引号码，其中n是与所述下行链路子帧n-km相关联的上行链路子帧，km是下行链路子帧n-km中具有ePDCCH的下行链路关联性集合K＝{k0,k1,...kM-1}中的最小值，其中M是所述集合K中的元素的数量且0≤m≤M-1，
并且是下行链路子帧n-ki中用于ePDCCH的传输的ePDCCH PRB的数量。
11.如权利要求10所述的无线设备，其中，所述收发机模块被进一步配置为从所述节点接收所述ePDCCH，并且所述无线设备进一步包括：
处理模块，被配置为：
基于所述参数映射所述所述PUCCH资源并且
确定所述ePDCCH是否被正确地接收，其中，所述ePDCCH的所述HARQ-ACK反馈基于所述ePDCCH的接收。
12.如权利要求10所述的无线设备，其中，所述无线设备选自由下列项目构成的组：用户设备(UE)和移动站(MS)，并且所述无线设备包括下列项目中的至少一个：天线、触敏显示屏、扬声器、麦克风、图形处理器、应用处理器、内部存储器、非易失性存储器端口及其组合。
13.一种包括用于执行如权利要求1-3中的任意一项所述的方法的单元的电子装置。
14.一种计算机可读介质，其包含指令，当由处理器执行时，所述指令使得所述处理器执行如权利要求1-3中的任意一项所述的方法。
CN201380014654.3A 2012-03-16 2013-03-15 使用增强型物理下行链路控制信道(ePDCCH)的物理上行链路控制信道(PUCCH)资源映射 Expired - Fee Related CN104170296B (zh)

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