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    • 21. 发明申请
    • METHOD AND APPARATUS OF ENERGY SAVING IN RADIO ACCESS NETWORKS
    • 无线接入网络节能方法与装置
    • WO2014036710A1
    • 2014-03-13
    • PCT/CN2012/081091
    • 2012-09-06
    • BROADCOM CORPORATIONHONG, WeiHENTTONEN, Tero Heikki MattiWANG, HaimingZHANG, Lili
    • HONG, WeiHENTTONEN, Tero Heikki MattiWANG, HaimingZHANG, Lili
    • H04W52/00
    • H04W52/0206H04W52/343H04W52/44Y02D70/1242Y02D70/1262Y02D70/1264Y02D70/25
    • The present invention relates generally to energy saving in Radio Access Networks (RANs). Traditionally, a base station or an eNB (envolved Node B) has two modes: a normal mode and a sleep mode. When the base station is in the sleep mode, it does not transmit or receive anything until it is woken up, i.e. its mode is changed to the normal mode. Especially transmitting consumes power in the base station. The present invention suggests that a cell should initiate the change of the working mode, because it is the first to detect substantial changes in amounts of traffic. Thus, the cell measures the traffic and detects whether the measured amount of traffic is below a predetermined threshold. If it is, the cell requests a permission to enter an energy saving mode and, after the possible grant, the cell enters the energy saving mode. The sleep mode and a discontinuous transmissing (DTX) mode are known energy saving modes. In addition to them, the cell may enter an energy saving mode which is termed a "low-activity" mode. The low- activity mode provides at least one sleep period during which the base station of the cell omits transmitting and receiving. When a sleep period lasts at most several radio frames the base station can still serve user equipments located in the cell area.
    • 本发明一般涉及无线电接入网络(RAN)中的节能。 传统上,基站或eNB(演进的节点B)具有两种模式:正常模式和休眠模式。 当基站处于睡眠模式时,它在唤醒之前不发送或接收任何东西,即其模式改变为正常模式。 特别是在基站中传输消耗功率。 本发明提出,小区应该启动工作模式的改变,因为它是首先检测业务量的实质性变化。 因此,小区测量业务并检测测量的业务量是否低于预定阈值。 如果是,则小区请求进入节能模式的许可,并且在可能的授权之后,小区进入节能模式。 睡眠模式和不连续传输(DTX)模式是已知的节能模式。 除了它们之外,电池可以进入被称为“低活性”模式的节能模式。 低活动模式提供至少一个睡眠周期,在此期间小区的基站省略发送和接收。 当睡眠周期持续至多几个无线电帧时,基站仍然可以为位于小区区域中的用户设备提供服务。
    • 23. 发明申请
    • METHOD FOR INTERFERENCE CANCELLATION WITH LOW-POWER SUBFRAMES IN HETEROGENEOUS NETWORKS
    • 用于在异构网络中与低功率子帧进行干扰消除的方法
    • WO2014107850A1
    • 2014-07-17
    • PCT/CN2013/070273
    • 2013-01-09
    • BROADCOM CORPORATIONZHANG, LiliWANG, HaimingHENTTONEN, Tero Heikki Matti
    • ZHANG, LiliWANG, HaimingHENTTONEN, Tero Heikki Matti
    • H04W52/24
    • H04W24/02H04W36/0083H04W52/244H04W52/40H04W88/08
    • Embodiments include methods for providing information enabling a communication device operating in a hetnet comprised of an aggressor cell and one or more overlaid victim cells utilizing a common frequency spectrum, to at least partially cancel an interfering signal transmitted from the aggressor cell in order to more accurately measure one or more signals transmitted from a victim cell. Embodiments include methods for configuring the aggressor cell with information related to overlaid victim cells in the aggressor's coverage area, and methods for configuring a victim cell with information related to the aggressor's interference within the victim's extended coverage area. Embodiments also include methods for receiving measurements of a signal transmitted from a victim cell, and methods for making such measurements on the victim's signal utilizing the aggressor cell interference information. Embodiments include network equipment or apparatus, user equipment or apparatus, and computer-readable media embodying one or more of these methods.
    • 实施例包括用于提供信息的方法,使得能够使用由侵略者小区和一个或多个重叠的受害者小区利用公共频谱组成的通信工作的通信设备能够至少部分地消除从侵略者小区发送的干扰信号,以便更准确地 测量从受害者小区发送的一个或多个信号。 实施例包括用于配置侵略者小区的方法,该信息与侵略者覆盖区域中的重叠受害者小区相关的信息,以及用于配置受害者小区的方法,所述信息与受害者的扩展覆盖区域内的侵扰者的干扰相关。 实施例还包括用于接收从受害小区发送的信号的测量的方法,以及利用侵扰小区干扰信息对受害者信号进行这种测量的方法。 实施例包括体现这些方法中的一个或多个的网络设备或设备,用户设备或设备以及计算机可读介质。
    • 24. 发明申请
    • ASSISTANT INFO FOR NEW CARRIER TYPE MOBILITY
    • 新的载体类型移动的辅助信息
    • WO2014079025A1
    • 2014-05-30
    • PCT/CN2012/085075
    • 2012-11-22
    • BROADCOM CORPORATIONWEI, NaBAI, WeiSUN, PengfeiZENG, ErlinGAO, ChunyanHONG, WeiZHANG, LiliWANG, Haiming
    • WEI, NaBAI, WeiSUN, PengfeiZENG, ErlinGAO, ChunyanHONG, WeiZHANG, LiliWANG, Haiming
    • H04W48/08
    • H04W48/16H04W48/12
    • The present invention addresses a method, apparatus and computer program product for enhanced system information transmissions and/or handover command for new carrier type mobility. The invention comprises determining whether the carrier type to be used for communication is a legacy carrier or a new carrier type which supports at least one of a standalone, macro-assisted and non-standalone configuration, in case of a determining the new carrier type, composing assistant information comprising at least one of: reference signal type information indicating support of at least one of reference signal type information indicating support of at least one of a primary/secondary synchronization signal configuration; cell-specific reference signal configuration; channel state information reference signal configuration and physical discovery channel configuration for the new carrier type; sleep/active mode type information; cell deployment type information indicating a macro/pico/small cell deployment; and information indicating enhanced physical download control channel common search space resource; and causing data exchange of the composed assistant information to a network element.
    • 本发明涉及用于新载波类型移动性的用于增强的系统信息传输和/或切换命令的方法,装置和计算机程序产品。 本发明包括确定在确定新的载波类型的情况下,要用于通信的载波类型是传统载波还是支持独立,宏辅助和非独立配置中的至少一种的新载波类型, 构成辅助信息,包括以下中的至少一个:指示支持指示支持至少一个主/辅同步信号配置的参考信号类型信息中的至少一个的参考信号类型信息; 细胞特异性参考信号配置; 信道状态信息参考信号配置和物理发现信道配置为新载波类型; 睡眠/活动模式类型信息; 指示宏/微微/小区单元部署的小区部署类型信息; 以及指示增强的物理下载控制信道公共搜索空间资源的信息; 并将组成的辅助信息数据交换到网元。
    • 25. 发明申请
    • INITIAL ACCESS FOR STANDALONE CARRIER TYPE
    • STANDALONE CARRIER类型的初始访问
    • WO2014059591A1
    • 2014-04-24
    • PCT/CN2012/083009
    • 2012-10-16
    • BROADCOM CORPORATIONWEI, NaGAO, ChunyanBAI, WeiSUN, PengfeiZENG, ErlinWANG, HaimingHONG, WeiZHANG, Lili
    • WEI, NaGAO, ChunyanBAI, WeiSUN, PengfeiZENG, ErlinWANG, HaimingHONG, WeiZHANG, Lili
    • H04W28/16
    • H04W56/00H04L5/001H04L5/0012H04L5/0053H04W48/16
    • For providing initial access for a standalone carrier type of a cell of a mobile communication system, frequency and time resources of an information block which includes parameters necessary for a user equipment to access the cell are determined (S10) with respect to synchronization signals used to synchronize the user equipment with the cell in time and frequency. The information block is included (Sll) in resource blocks to be broadcasted in the cell, according to the determined frequency and time resources. A use equipment synchronizes with the cell in time and frequency based on the synchronization signals broadcasted in the cell, and searches, in resource blocks broadcasted in the cell which are within a predetermined detection range from frequency and/or time resources of the synchronization signals, for the information block. The user equipment accesses the cell with the parameters included in the information block detected as a result of the searching.
    • 为了提供移动通信系统的单元的独立载波类型的初始接入,确定包括用户设备访问小区所必需的参数的信息块的频率和时间资源(S10),用于相对于用于 在时间和频率上与用户设备同步。 根据确定的频率和时间资源,将信息块包括在要在单元中广播的资源块中(Sll)。 使用设备基于在小区中广播的同步信号在时间和频率上与小区同步,并且在来自同步信号的频率和/或时间资源的预定检测范围内在小区内广播的资源块中进行搜索, 用于信息块。 用户设备以包含在作为搜索结果检测到的信息块中的参数来访问小区。
    • 29. 发明申请
    • CONFIGURABLE REFERENCE SIGNAL TYPE FOR RRM/RLM MEASUREMENT
    • RRM / RLM测量的可配置参考信号类型
    • WO2014110758A1
    • 2014-07-24
    • PCT/CN2013/070603
    • 2013-01-17
    • BROADCOM CORPORATIONBAI, WeiZENG, ErlinWANG, HaimingSUN, PengfeiHAN, Jing
    • BAI, WeiZENG, ErlinWANG, HaimingSUN, PengfeiHAN, Jing
    • H04W24/00
    • H04L5/005H04B17/309H04L5/001H04L5/0051
    • In one embodiment an eNB configures a user equipment UE for a different type of reference signal other than regularly-spaced common reference signals CRSs, or a physical channel, to use for taking its radio resource management RRM measurements and/or radio link monitoring RLM measurements. In another embodiment a UE selects, using a predefined criteria (such as priority order among different reference signal types or predefined minimum threshold transmission density of a particular reference signal type), a different reference signal type other than regularly-spaced common reference signals, or a physical channel, for the RRM/RLM measurements. These are useful for example in EUTRAN Release 12 wherein the new carrier type may not have CRSs, or where the eNB can be in a dormant mode and not transmitting regularly-spaced CRSs.
    • 在一个实施例中,eNB将除了规则间隔的公共参考信号CRS或物理信道之外的不同类型的参考信号配置为用于采用其无线电资源管理RRM测量和/或无线电链路监视RLM测量的用户设备UE 。 在另一个实施例中,UE使用预定准则(诸如不同参考信号类型中的优先级顺序或特定参考信号类型的预定义的最小阈值传输密度)来选择不同于规则间隔的公共参考信号的不同参考信号类型,或 一个物理通道,用于RRM / RLM测量。 这些在例如EUTRAN Release 12中是有用的,其中新的载波类型可能不具有CRS,或者eNB可以处于休眠模式并且不发送规则间隔的CRS。