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    • 1. 发明授权
    • Fast channel scanning and acquisition system and method for cable modem applications
    • 电缆调制解调器应用的快速通道扫描和采集系统和方法
    • US07549156B2
    • 2009-06-16
    • US10677110
    • 2003-10-01
    • Gordon Y. LiYoav HebronBruce A. GroveAdrian Kwong
    • Gordon Y. LiYoav HebronBruce A. GroveAdrian Kwong
    • H04N7/173
    • H04N21/42676H04N7/17309H04N21/4383
    • A programmable channel scanning and acquisition method for a cable modem first performs a fast scan and then a slow scan to identify channels supporting cable modem services. The fast scan involves only a check of the cable modem AGC lock. A list of potentially operational channels is assembled and scanned. The list includes, in order of preference, the last known good channel, golden channels that are likely to support cable modem services, “learned” golden channels consisting of previous last known good channels, and other channels within the frequency plan range. The list omits channels on a “black list” known not to be operational and channels outside of the frequency range, except during registration. The method may be optimized by the setting of various parameters for operation in a DOCSIS or EuroDOCSIS environment.
    • 用于电缆调制解调器的可编程通道扫描和采集方法首先执行快速扫描,然后执行慢速扫描以识别支持有线调制解调器服务的信道。 快速扫描仅涉及电缆调制解调器AGC锁的检查。 组合和扫描潜在的操作通道的列表。 该列表按照优先顺序包括最后一个已知的良好频道,可能支持有线调制解调器服务的黄金频道,“学习”由前一个已知的好频道组成的黄金频道以及频率计划范围内的其他频道。 除了注册之外,该列表省略了已知无法运行的“黑名单”和频率范围以外的频道的频道。 该方法可以通过设置DOCSIS或EuroDOCSIS环境中的各种参数进行优化。
    • 3. 发明申请
    • Fast channel scanning and acquisition system and method for cable modem applications
    • 电缆调制解调器应用的快速通道扫描和采集系统和方法
    • US20050076385A1
    • 2005-04-07
    • US10677110
    • 2003-10-01
    • Gordon LiYoav HebronBruce GroveAdrian Kwong
    • Gordon LiYoav HebronBruce GroveAdrian Kwong
    • H04N7/173
    • H04N21/42676H04N7/17309H04N21/4383
    • A programmable channel scanning and acquisition method for a cable modem first performs a fast scan and then a slow scan to identify channels supporting cable modem services. The fast scan involves only a check of the cable modem AGC lock. A list of potentially operational channels is assembled and scanned. The list includes, in order of preference, the last known good channel, golden channels that are likely to support cable modem services, “learned” golden channels consisting of previous last known good channels, and other channels within the frequency plan range. The list omits channels on a “black list” known not to be operational and channels outside of the frequency range, except during registration. The method may be optimized by the setting of various parameters for operation in a DOCSIS or EuroDOCSIS environment.
    • 用于电缆调制解调器的可编程通道扫描和采集方法首先执行快速扫描,然后执行慢速扫描以识别支持有线调制解调器服务的信道。 快速扫描仅涉及电缆调制解调器AGC锁的检查。 组合和扫描潜在的操作通道的列表。 该列表按照优先顺序包括最后一个已知的良好频道,可能支持有线调制解调器服务的黄金频道,“学习”由前一个已知的好频道组成的黄金频道以及频率计划范围内的其他频道。 除了注册之外,该列表省略了已知无法运行的“黑名单”和频率范围以外的频道的频道。 该方法可以通过设置DOCSIS或EuroDOCSIS环境中的各种参数进行优化。
    • 4. 发明授权
    • Finite field parallel multiplier
    • 有限域并行乘法器
    • US5272661A
    • 1993-12-21
    • US990524
    • 1992-12-15
    • Sreenivasa A. RaghavanYoav HebronItzhak GurantzJames N. Esserman
    • Sreenivasa A. RaghavanYoav HebronItzhak GurantzJames N. Esserman
    • G06F7/72G06F7/00
    • G06F7/724
    • A finite field parallel multiplier in GF(q.sup.m) including a router for directing 2m-1 components in m groups of m single-component signal lines towards m computing circuits for performing multiply and add modulo-q. The router guides m components from a first finite field element along with an additional m-1 components generated from linear combinations of the m components of the first finite field element. Each of the computing circuits receives all of the components from the second finite field element and m components provided by one set of signal lines through the router. Each computing circuit generates a single component for the resultant finite field element. These resulting components may be input through a basis change circuit to obtain a result in the desired basis.
    • GF(qm)中的有限域并行乘法器包括路由器,用于将m个单分量信号线的m组中的2m-1分量指向m个运算电路,用于执行乘法和加法模q。 路由器引导来自第一有限域元素的分量以及从第一有限域元素的m个分量的线性组合生成的附加m-1分量。 每个计算电路接收来自第二有限域元素的所有分量,以及通过路由器由一组信号线提供的m个分量。 每个计算电路为所得到的有限域元素生成单个分量。 可以通过基础改变电路输入这些所得到的组件,以获得期望的结果。
    • 6. 发明授权
    • Method and apparatus for communicating unicast PQoS DFID information
    • 用于传播单播PQoS DFID信息的方法和装置
    • US08861357B2
    • 2014-10-14
    • US12955642
    • 2010-11-29
    • Yoav Hebron
    • Yoav Hebron
    • H04L12/28H04L12/911
    • H04L12/2801H04L47/781
    • Methods and apparatus for communicating unicast PQoS DFID information in a MoCA network are disclosed. In a transmitting apparatus, values are assigned in a first set of fields of a reservation request element, the first set adapted to indicate a unicast PQoS flow with a DFID value. Values are assigned in a second set of fields of the reservation request element, the second set adapted to represent the DFID value. A message comprising the reservation request element is transmitted to a network coordinator. In a receiving network coordinator, a message comprising a reservation request element is received, the reservation request element comprising a first set of fields and a second set of fields. It is determined whether the first set is indicative of a unicast PQoS flow with a DFID value. The DFID value is determined from the second set if the first set is indicative of a unicast PQoS flow with a DFID value.
    • 公开了在MoCA网络中传送单播PQoS DFID信息的方法和装置。 在发送装置中,在预约请求单元的第一组字段中分配值,该第一组适于指示具有DFID值的单播PQoS流。 值在预约请求单元的第二组字段中分配,第二组适于表示DFID值。 包括预留请求单元的消息被发送到网络协调器。 在接收网络协调器中,接收到包括预留请求单元的消息,所述预留请求单元包括第一组字段和第二组字段。 确定第一组是否指示具有DFID值的单播PQoS流。 如果第一组指示具有DFID值的单播PQoS流,则从第二组确定DFID值。
    • 10. 发明授权
    • Method and apparatus for performing finite field division
    • 执行有限场划分的方法和装置
    • US5379243A
    • 1995-01-03
    • US938109
    • 1992-08-31
    • Haim GreenbergerYoav HebronSreenivasa A. Raghavan
    • Haim GreenbergerYoav HebronSreenivasa A. Raghavan
    • G06F7/72G06F7/52
    • G06F7/726
    • An apparatus and method are provided for simplifying a finite field division, including inputs for the initial condition signals a(x), b(x), and p(x), and providing at an output node the signal c(x), where c(x)=a(x)/b(x) without intermediate inverter circuitry for finding 1/b(x). A reference register initialized to b(x), and a divider register initialized to a(x). Both registers are manipulated in parallel by a logic circuit which responds to the contents of the reference register, converting its contents to 1.Claim By applying the same manipulations to the divider register, its contents are converted from a(x) to a(x)/b(x).One embodiment of a finite field divider according to the present invention is used to provide a single finite field division of a single set of values a(x), b(x) and p(x). Another embodiment processes continuous streams of a(x), b(x) and p(x) values, to provide a continuous stream of c(x) values delayed by a calculation time. In yet another embodiment, p(x) is not a stream of values, but a constant either applied to the p(x) input of the finite field divider circuit or a constant defined by fixed circuit elements within the divider circuit.
    • 提供了一种用于简化有限域划分的装置和方法,包括用于初始条件信号a(x),b(x)和p(x)的输入,以及在输出节点处提供信号c(x),其中 c(x)= a(x)/ b(x),没有用于找到1 / b(x)的中间逆变器电路。 初始化为b(x)的参考寄存器和初始化为(x)的分频器寄存器。 两个寄存器由逻辑电路并行操作,逻辑电路响应参考寄存器的内容,将其内容转换为1.Claim通过对分频器寄存器应用相同的操作,其内容从(x)转换为(x) )/ b(x)。 根据本发明的有限场分割器的一个实施例用于提供单组值a(x),b(x)和p(x)的单个有限场划分。 另一个实施例处理(x),b(x)和p(x)值的连续流,以提供延迟计算时间的c(x)值的连续流。 在另一个实施例中,p(x)不是值流,而是施加到有限场分频器电路的p(x)输入或由分频器电路内的固定电路元件限定的常数的常数。