CN103563455A - 处理移动宽带网络中的固定装置的测量和报告 - Google Patents

处理移动宽带网络中的固定装置的测量和报告 Download PDF

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CN103563455A
CN103563455A CN201180069911.4A CN201180069911A CN103563455A CN 103563455 A CN103563455 A CN 103563455A CN 201180069911 A CN201180069911 A CN 201180069911A CN 103563455 A CN103563455 A CN 103563455A
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fixed
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devices
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J·朱
R·万尼塔姆比
A·T·科奇
M·古普塔
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Intel Corp
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Abstract

在用户设备是固定装置的情况下，用于用户设备的测量要求可以被减少或消除。在此情况下，测量要求可能是不那么有用的。在一些实施例中，在机器对机器通信中，可以增加带宽并且可以减少电力消耗。

Description

处理移动宽带网络中的固定装置的测量和报告
相关申请的交叉引用
本申请要求2011年4月1日提交的美国临时申请(序列号61／471,042)的优先权。
背景技术
本申请涉及无线电通信网络，并且特别是涉及包括固定台和移动台两者的网络。
在无线电通信网络中，通常存在诸如蜂窝电话的移动装置，其在小区内以及从小区到小区移动。此外，在该网络中可以存在固定装置。
在将来，机器对机器(M2M)通信预期将占用大部分可用带宽。这些机器对机器通信中的许多将是来自或者到至少一个固定的发送或接收装置的。因此，该网络可以是固定和移动装置两者的复杂混合。
长期演进(LTE)是作为第三代合作伙伴计划(3GPP)的一部分的移动网络技术标准。它建立于全球移动通信系统／增强型数据GSM演进(GSM／EDGE)以及通用移动通信系统/高速分组接入(UMTS／HSPA)网络技术。用于LTE的无线电接入被称为演进的UMTS陆地无线电接入网(E-UTRAN)。LTE用端到端的服务质量支持基于网际协议的通信量。主要支持作为IP电话的语音通信量。
LTE的一个目标是降低系统和用户设备(UE)复杂度，允许更灵活的频谱部署，以及使能与其它3GPP无线接入技术(RAT)共存。
附图说明
图1是通信网络的一个实施例的系统描绘；
图2是根据一个实施例的图1中所示的系统的协议层体系结构；
图3是本发明的一个实施例的流程图；
图4是本发明的另一个实施例的流程图；以及
图5是一个实施例的系统描绘。
具体实施方式
参考图1，描绘了简单的网络配置10。它可以包括用户设备(UE)12。用户设备可以包括诸如蜂窝电话移动设备、带有无线接口的膝上型计算机、诸如带有无线接口的个人数字助理的手持式计算机、或者集成的蜂窝电话/个人数字助理(且举几种示例)。
在一些实施例中，用户设备12可以是固定的或者不移动的。固定或者不移动的用户设备的示例可以是与实现所谓的机器对机器或者M2M通信网络的机器相关联的发送器和接收器。
用户设备12与eNodeB(eNB)14进行通信，所述eNodeB(eNB)14与该用户设备对接。该eNB作为主机运行物理(PHY)层、媒体接入控制(MAC)层、无线电链路控制(RLC)层和分组数据控制协议(PDCP)层。在一些实施例中，这些层可以提供用户平面报头压缩和加密。该eNB还提供对应于控制平面的无线电资源控制(RRC)功能。该eNB可以提供无线电资源管理、接纳控制、调度、经协商的上行链路服务质量的强制执行、小区信息广播、加密/解密、滥用者控制平面数据、以及下行链路／上行链路用户平面分组报头的压缩/解压缩。
eNB14与移动性管理实体(MME)16进行通信。该MME是用于包括负责重传的空闲模式用户设备跟踪和寻呼过程的网络的控制节点。它可以实现载体激活/去激活处理，并且还可以在初始附着处和在涉及核心网络节点重新定位的LTE内部移交时，为用户设备12选择服务网关(SGW)60。该MME可以负责认证用户以及校验用来接入服务供应商的公共和移动网络的用户设备的授权。
服务网关(SGW)60路由并转发用户数据分组。在eNB之间移交期间，它还可以充当用户平面的移动性锚。该SGW可以管理及存储用户设备联系，诸如网际协议载体服务或网络内部路由信息的参数。
将SGW60连接到分组数据网络网关(PDN GW)62，所述PDN GW62向外部数据分组网络提供至用户设备的连通性。为了接入多个分组数据网络，用户设备可以具有与多于一个的PDN GW的连通性。PDN GW可以执行策略的强制执行、用于每个用户的分组滤波、合法拦截以及分组屏蔽(且举几种示例)。PDNGW充当3GPP与非3GPP技术之间的用于移动性的锚，例如，作为3GPP的全球微波接入互操作性(WiMAX)。然后，PDN GW62连接到互联网64。
在LTE系统中，当建立无线电资源控制连接时，服务eNB发送RRC连接重新配置消息到用户设备，通知用户设备待监视的小区的集合以及用于测量和报告信道强度和质量的标准。然而对于固定装置来说，可能不需要这样的测量，并且可以大大减少这样的测量。
移动性管理实体(MME)16包括图2中所示的非接入层(NAS)模块40，其与用户设备12中的NAS模块18进行通信。NAS层可以用于针对用户设备生成和分派临时身份。它还可以校验用户设备预占服务供应商的公共陆地移动网的授权，并且可以强制执行用户设备漫游限制。在控制平面中，NAS协议运行在MME和UE之间，并且用于控制目的，诸如，网络附着、认证、屏障的设立及移动性管理。所有的NAS消息都可以通过MME和UE来进行加密和完整性保护。
eNB中的无线资源控制(RRC)层30基于由UE发送的相邻小区测量而做出移交决定，通过空气对UE进行寻呼，广播系统信息，控制诸如信道质量信息的周期的用户设备测量记录，以及向活动的用户设备报告并分派小区级临时标识符。它还可以在移交期间将用户设备上下文从源eNB传送到目标eNB，并且对RRC消息提供完整性保护。因此，RRC层负责设立和维持无线电载体。RRC层包括用户设备中的RRC20。
分组数据控制协议(PDCP)层包括用户设备中的终端22和eNB中的终端32。PDCP层是用户平面负责通过使用稳健的报头压缩来压缩/解压用户平面网际协议分组的报头的部分。该层还可以执行用户平面和控制平面数据两者的加密。
无线电链接控制(RLC)层包括用户设备中的终端24和eNB中的终端34。它用于格式化和传送在用户设备和eNB之间的通信量。该RLC为数据传输提供不同的可靠模式-确认模式、未确认模式或透明模式。该RLC层还可以将服务数据单元递送给上面的层。
RCC协议可以包括广播系统信息、连接控制、RAT间移动性、和测量配置报告的功能。测量配置报告可以包括测量的建立、修改或释放(包括频率内、频率间和RAT间测量)，测量间隔、测量报告及其它功能的设立和释放(包括专用NAS信息和非3GPP专用信息的传输，用户设备接入能力信息的传输，对E-UTRAN共享的支持)。测量配置报告还可以包括一般的协议误差处理以及自我配置和自我优化的支持。
MAC层执行逻辑信道与传输信道之间的映射，取决于它们相对的优先级，调度不同的用户设备以及它们在上行链路和下行链路两者中的服务，并且选择传输格式。媒体接入控制层包括用户设备中的终端26和eNB中的终端36。
物理层包括用户设备中的终点28和eNB14中的终点38。
在WiMAX中用于容纳大量的固定M2M装置的LTE的扩充造成了整合问题。此外，由于M2M连接数量变得非常大，因而测量和报告通信可能没有必要地耗费带宽和处理器的周期。一般地，在固定装置的情况下，信道强度和质量的测量和报告不是很重要。因此，根据一些实施例，固定装置使得它的存在已知，并且使得它是固定装置，并且基于这个信息，在一些实施例中可以消除或减少一些测量和报告。
因此，参考图3，可以在软件、固件和／或硬件中实现用于实现用户设备12的序列。在软件和固件实施例中，其可以通过存储在诸如光、磁或半导体存储装置的非瞬态计算机可读介质中的由计算机执行的指令来实现。
在块42中，图3中所示的用户设备12指示其固定装置类型和测量偏好。具体地，该用户设备在网络登录期间可以指示其是固定装置。它可以指示诸如频率间／频率内／RAT间的它所支持的测量类型。例如，用户设备可以通过要求不支持测量的任何一个来决定根本不执行任何测量。接着，在块44处，用户设备从eNB14接收用于固定装置的减少的测量。当向固定的用户设备装置发出RRC连接配置消息时，eNB可以通过提供用来测量的较少的频率内、频率间或技术间信道，在列出的呼叫上的较少的候选，用来测量的较少的信息，更长的报告周期或者甚至仅驱动报告方法来使结果测量活动最小化。
如果支持间隔辅助测量，则eNB可以用较长的重复周期配置间隔模式。例如，在一个实施例中，较长的重复周期可以是大约几秒，使得所有的工作循环都可用于通信量递送，以减少或最小化固定的用户设备装置的有效时间，并且节省功率。并且，eNB可以以较长时间周期为固定的用户设备装置设置信道质量指标反馈周期，或者可以完全地禁用基于物理上行链路控制信道(PUCCH)的周期性报告，并且仅使用基于物理上行链路共享信道(PUSCH)的非周期性报告。
接着，如块46所指示的，用户设备执行减少的测量。存在网络／eNB做的若干测量，诸如到达的角度和时间同步的定时的测量。对于固定装置，这些测量可以是不需要的。通过识别哪些装置是固定装置，网络／eNB可以减少或者消除这些测量，并且节省网络带宽和电力消耗。
接下来参考图4，可以在eNB14中实现在那里描绘的序列。该序列可以在软件、固件和/或硬件中实现。在软件和固件实施例中，其可以通过存储在诸如光、半导体或磁存储器的非瞬态计算机可读介质中的计算机执行的指令来实现。
最初，eNB从用户设备接收固定装置类型和测量偏好，如块48所指示的。作为响应，eNB可以指示用于固定装置的减少的测量，如块50所指示的。最后，可以执行减少的测量并且将其发射到eNB，如块52所指示的。
图5中所示的计算机系统130可以包括硬盘134和可移除介质136，其通过总线104耦合至芯片组核心逻辑110。计算机系统可以是任何计算机系统，包括智能移动装置，诸如智能电话、平板或移动互联网装置。键盘和鼠标120或者其它常规部件可以经由总线108耦合至芯片组核心逻辑。在一个实施例中，该核心逻辑可以经由总线105耦合至图形处理器112，以及耦合至应用处理器100。图形处理器112还可以通过总线106耦合至帧缓冲器114。帧缓冲器114可以通过总线107耦合至显示屏幕118，诸如液晶显示(LCD)触摸屏。在一个实施例中，图形处理器112可以是使用单指令多数据(SIMD)体系结构的多线程、多核心并行处理器。
芯片组逻辑110可以包括非易失性存储器端口，以耦合主存储器132。并且，在一个实施例中，耦合至逻辑110的可以是多个天线121、122，以实现多输入多输出(MIMO)。还可以通过逻辑110耦合扬声器124。
在整个本说明书中对“一个实施例”或者“实施例”的提及意味着结合实施例所描述的特别的特征、结构或特性被包括在本发明内包含的至少一个实施方式中。因此，短语“一个实施例”或者“在实施例中”的出现未必指的是相同的实施例。此外，特别的特征、结构或特性可以以除了图示的特别的实施例以外的其他合适的形式创立，并且所有这种形式可以被包含在本申请的权利要求内。
尽管已经针对有限数量的实施例描述了本发明，但是本领域技术人员将意识到据此的许多修改和变化。其旨在所附权利要求覆盖了如落入本发明真实精神和范围的所有的这些修改和变化。

Claims (19)

1.一种方法，包括：
确定无线机器对机器用户设备是固定的还是移动的；
如果所述设备是固定的，则向所述设备分配减少的无线测量；以及
将无线电资源控制重新配置消息发送给所述设备，以用减少的测量进行操作。
2.如权利要求1所述的方法，包括：消除用于所述设备的测量。
3.如权利要求1所述的方法，包括：在所述设备中执行所述方法。
4.如权利要求1所述的方法，包括：在与所述装置进行通信的单元中执行所述方法。
5.如权利要求4所述的方法，包括：在eNodeB中执行所述方法。
6.如权利要求1所述的方法，包括：如果所述设备是固定的，则与移动的用户设备相比，减少用于所述设备的报告要求。
7.一种非瞬态计算机可读介质，其存储使计算机能够执行以下操作的指令：
与移动相对照，确定无线机器对机器用户设备是否是固定的装置；以及
如果所述设备是固定的，则通过使用无线电资源控制重新配置消息向所述设备分配减少的无线测量。
8.如权利要求7所述的介质，进一步存储用于消除用于所述设备的测量的指令。
9.如权利要求8所述的介质，进一步存储用于在所述设备中执行所述方法的指令。
10.如权利要求7所述的介质，进一步存储用于在与所述设备进行通信的单元中执行所述方法的指令。
11.如权利要求10所述的介质，进一步存储用于在eNodeB中执行所述方法的指令。
12.一种机器对机器无线设备，包括：
单元，用来确定设备是固定的还是移动，以及如果所述设备是固定的，则使用无线电资源控制重新配置消息向所述设备分配减少的无线测量；以及
耦合至所述设备的天线。
13.如权利要求12所述的设备，如果所述设备是固定的，则所述单元消除用于所述设备的测量。
14.如权利要求12所述的设备，如果所述设备是固定的，则所述单元减少报告要求。
15.如权利要求12所述的设备，包括触摸屏显示器。
16.一种装置，包括：
单元，用来确定与所述装置进行通信的无线机器对机器用户设备是固定的还是移动，以及如果是固定的，则经由无线电资源控制重新配置消息向所述设备分配减少的无线测量；以及
耦合至所述单元的天线。
17.如权利要求16所述的装置，其中，所述装置是eNodeB。
18.如权利要求16所述的装置，如果所述设备是固定的，则所述单元减少报告要求。
19.如权利要求16所述的装置，其中，所述装置是基站。
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