公开(公告)号：US06795489B2

公开(公告)日：2004-09-21

申请号：US09927869

申请日：2001-08-09

Applicant: Abhay A. Joshi ,  Arthur James Neufeld

Inventor： Abhay A. Joshi ,  Arthur James Neufeld

IPC: H04B1500

CPC classification number: H04B1/70751 ,  H04B1/70735 ,  H04B1/7077 ,  H04B1/709 ,  H04B2201/70701 ,  H04B2201/70702

Abstract: Systems and techniques are disclosed wherein a gated pilot signal can be acquired by searching for a first gated pilot signal, deriving timing information from the search for the first gated pilot signal, and searching for a second gated pilot signal using the timing information. This can be implemented in a variety of fashions including a receiver with a searcher configured to generate a bit sequence, a correlator configured to correlate a received signal with the bit sequence, and a processor configured to detect a first gated pilot signal as a function of the correlation, derive timing information from the first gated pilot signal, and detect a second gated pilot signal by using the timing information to control the bit sequence generated by the searcher. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or the meaning of the claims.

Abstract translation: 公开了一种系统和技术，其中可以通过搜索第一门控导频信号，从搜索第一门控导频信号导出定时信息，并使用定时信息搜索第二门控导频信号来获取门控导频信号。 这可以以各种方式实现，包括具有被配置为生成比特序列的搜索器的接收机，被配置为将接收到的信号与比特序列相关联的相关器，以及被配置为检测第一门控导频信号作为 相关性，从第一门控导频信号导出定时信息，并通过使用定时信息来检测第二门控导频信号，以控制由搜索者产生的比特序列。 要强调的是，该摘要被提供以符合要求摘要的规则，这将允许搜索者或其他读者快速确定技术公开的主题。 提交它的理解是，它不会用于解释或限制权利要求的范围或含义。

公开(公告)号：US07602840B2

公开(公告)日：2009-10-13

申请号：US10873431

申请日：2004-06-21

Applicant: Abhay A. Joshi ,  Arthur James Neufeld

Inventor： Abhay A. Joshi ,  Arthur James Neufeld

IPC: H04B1/69 ,  H04B1/707 ,  H04B1/713

CPC classification number: H04B1/70751 ,  H04B1/70735 ,  H04B1/7077 ,  H04B1/709 ,  H04B2201/70701 ,  H04B2201/70702

Abstract: Systems and techniques to acquire a gated pilot signal by searching for a first gated pilot signal, deriving timing information from the search for the first gated pilot signal, and searching for a second gated pilot signal using the timing information. This can be implemented in a variety of fashions including a receiver with a searcher configured to generate a bit sequence, a correlator configured to correlate a received signal with the bit sequence, and a processor configured to detect a first gated pilot signal as a function of the correlation, derive timing information from the first gated pilot signal, and detect a second gated pilot signal by using the timing information to control the bit sequence generated by the searcher.

Abstract translation: 通过搜索第一门控导频信号来获取门控导频信号的系统和技术，从搜索第一门控导频信号导出定时信息，以及使用定时信息搜索第二门控导频信号。 这可以以各种方式实现，包括具有被配置为生成比特序列的搜索器的接收机，被配置为将接收到的信号与比特序列相关联的相关器，以及被配置为检测第一门控导频信号作为 相关性，从第一门控导频信号导出定时信息，并通过使用定时信息来检测第二门控导频信号，以控制由搜索者产生的比特序列。

公开(公告)号：US07295857B2

公开(公告)日：2007-11-13

申请号：US10447630

申请日：2003-05-28

Applicant: Abhay A. Joshi ,  James A. Hutchison ,  Peter J. Black ,  Simon Turner ,  Thunyachate Ekvetchavit

Inventor： Abhay A. Joshi ,  James A. Hutchison ,  Peter J. Black ,  Simon Turner ,  Thunyachate Ekvetchavit

IPC: H04M1/00

CPC classification number: H04W48/18 ,  H04W88/06 ,  Y02D70/1224

Abstract: Techniques to efficiently attempt acquisition of a packet data system (e.g., an IS-856 system). If a terminal has acquired one or more channels in a voice/data system (e.g., an IS-2000 system), then it can attempt acquisition on channels in the packet data system that are co-located with the acquired channels in the voice/data system. Multiple acquisition modes may be used, and on-going acquisition attempts on the co-located channels may be performed using one acquisition mode at a time in order to reduce power consumption. Acquisition attempts may be performed in a “ping-pong” manner to improve the likelihood of acquisition. For a ping-pong search, an acquisition attempt is made on the most recently acquired channel prior to an acquisition attempt on each of the remaining channels. Received signal strength estimates may also be obtained for selected channels and may be used to determine whether or not to attempt acquisition on these channels.

Abstract translation: 有效地尝试采集分组数据系统（例如，IS-856系统）的技术。 如果终端已经在语音/数据系统（例如，IS-2000系统）中获取了一个或多个信道，则它可以尝试在分组数据系统中与语音/数据系统中所获取的信道共同位置的信道上的采集， 数据系统 可以使用多个采集模式，并且可以一次使用一个采集模式来执行同位置信道上的持续采集尝试，以便降低功耗。 收购尝试可以以“乒乓”方式进行，以提高获取的可能性。 对于乒乓搜索，在对每个剩余通道进行采集尝试之前，在最近获取的通道上进行采集尝试。 也可以对所选择的信道获得接收的信号强度估计，并且可以用于确定是否尝试在这些信道上进行采集。

公开(公告)号：US20110122972A1

公开(公告)日：2011-05-26

申请号：US12779804

申请日：2010-05-13

Applicant: Gregory R. Lie ,  Reza Shahidi ,  Roland R. Rick ,  Abhay A. Joshi ,  Amit Mahajan ,  Yu-Chuan Lin ,  Steve C. Ciccarelli

Inventor： Gregory R. Lie ,  Reza Shahidi ,  Roland R. Rick ,  Abhay A. Joshi ,  Amit Mahajan ,  Yu-Chuan Lin ,  Steve C. Ciccarelli

IPC: H04L27/00

CPC classification number: H04B1/406 ,  H04B1/28

Abstract: Systems and methods for simultaneously communicating over multiple air interfaces using a single transceiver are described herein. An input is received at a transceiver. The input has a first signal encoded using a first radio technology and a second signal encoded using a second radio technology. The input is converted from an analog domain to a digital domain. The input is separated into the first signal and the second signal in the digital domain.

Abstract translation: 这里描述了使用单个收发器在多个空中接口上同时通信的系统和方法。 在收发器处接收输入。 输入具有使用第一无线电技术编码的第一信号和使用第二无线电技术编码的第二信号。 输入从模拟域转换为数字域。 输入被分成数字域中的第一信号和第二信号。

公开(公告)号：US08345803B2

公开(公告)日：2013-01-01

申请号：US12244516

申请日：2008-10-02

Applicant: Gregory R. Lie ,  Abhay A. Joshi ,  Yu-Chuan G. Lin ,  Lijun Lin

Inventor： Gregory R. Lie ,  Abhay A. Joshi ,  Yu-Chuan G. Lin ,  Lijun Lin

IPC: H04L27/00

CPC classification number: H04W72/085 ,  H04B1/7117 ,  H04B2201/70711 ,  H04L1/0001 ,  H04L5/0007 ,  H04L5/003 ,  H04L5/006 ,  H04L27/2647

Abstract: Systems and methodologies are described that facilitate dynamically allocating demodulation resources of a wideband receiver to provide improved demodulation of simultaneously received signals. Signal-to-noise ratio (SNR) and/or packet error rate (PER) can be measured for the plurality of carriers to determine which demodulators related to the carriers require more resources than others to demodulate signals at a specified signal quality. Where the SNR of a related carrier is high and/or PER is low, the demodulator can require fewer resources than where the SNR of a related carrier is low and/or PER is high. In this regard, the resources are dynamically allocated among the demodulators and reallocated where SNR/PER changes and/or additional resources are made available.

公开(公告)号：US20100086088A1

公开(公告)日：2010-04-08

申请号：US12244516

申请日：2008-10-02

Applicant: Gregory R. Lie ,  Abhay A. Joshi ,  Yu-Chuan G. Lin ,  Lijun Lin

Inventor： Gregory R. Lie ,  Abhay A. Joshi ,  Yu-Chuan G. Lin ,  Lijun Lin

IPC: H04B1/10

CPC classification number: H04W72/085 ,  H04B1/7117 ,  H04B2201/70711 ,  H04L1/0001 ,  H04L5/0007 ,  H04L5/003 ,  H04L5/006 ,  H04L27/2647

Abstract: Systems and methodologies are described that facilitate dynamically allocating demodulation resources of a wideband receiver to provide improved demodulation of simultaneously received signals. Signal-to-noise ratio (SNR) and/or packet error rate (PER) can be measured for the plurality of carriers to determine which demodulators related to the carriers require more resources than others to demodulate signals at a specified signal quality. Where the SNR of a related carrier is high and/or PER is low, the demodulator can require fewer resources than where the SNR of a related carrier is low and/or PER is high. In this regard, the resources are dynamically allocated among the demodulators and reallocated where SNR/PER changes and/or additional resources are made available.

Abstract translation: 描述了促进宽带接收机的动态分配解调资源以提供同时接收信号的改进解调的系统和方法。 可以测量多个载波的信噪比（SNR）和/或分组差错率（PER），以确定与载波相关的哪些解调器比其他载波需要更多的资源来解调具有特定信号质量的信号。 在相关载波的SNR高和/或PER为低的情况下，解调器比相关载波的SNR低和/或PER高的需求可能需要更少的资源。 在这方面，资源在解调器之间动态分配，并且在SNR / PER改变和/或附加资源可用的情况下被重新分配。

公开(公告)号：US08848771B2

公开(公告)日：2014-09-30

申请号：US12779804

申请日：2010-05-13

Applicant: Gregory R. Lie ,  Reza Shahidi ,  Roland R. Rick ,  Abhay A. Joshi ,  Amit Mahajan ,  Yu-Chuan Lin ,  Steve C. Ciccarelli

Inventor： Gregory R. Lie ,  Reza Shahidi ,  Roland R. Rick ,  Abhay A. Joshi ,  Amit Mahajan ,  Yu-Chuan Lin ,  Steve C. Ciccarelli

IPC: H04B1/38 ,  H04B1/40 ,  H04B1/28

CPC classification number: H04B1/406 ,  H04B1/28

Abstract: Systems and methods for simultaneously communicating over multiple air interfaces using a single transceiver are described herein. An input is received at a transceiver. The input has a first signal encoded using a first radio technology and a second signal encoded using a second radio technology. The input is converted from an analog domain to a digital domain. The input is separated into the first signal and the second signal in the digital domain.

Abstract translation: 这里描述了使用单个收发器在多个空中接口上同时通信的系统和方法。 在收发器处接收输入。 输入具有使用第一无线电技术编码的第一信号和使用第二无线电技术编码的第二信号。 输入从模拟域转换为数字域。 输入被分成数字域中的第一信号和第二信号。

公开(公告)号：US07742447B2

公开(公告)日：2010-06-22

申请号：US11153641

申请日：2005-06-14

Applicant: Abhay A. Joshi ,  James A. Hutchison ,  Peter J. Black ,  Simon Turner ,  Thunyachate Ekvetchavit

Inventor： Abhay A. Joshi ,  James A. Hutchison ,  Peter J. Black ,  Simon Turner ,  Thunyachate Ekvetchavit

IPC: H04Q7/00

CPC classification number: H04W48/18 ,  H04W88/06 ,  Y02D70/1224

Abstract: Techniques to efficiently attempt acquisition of a packet data system (e.g., an IS-856 system). If a terminal has acquired one or more channels in a voice/data system (e.g., an IS-2000 system), then it can attempt acquisition on channels in the packet data system that are co-located with the acquired channels in the voice/data system. Multiple acquisition modes may be used, and on-going acquisition attempts on the co-located channels may be performed using one acquisition mode at a time in order to reduce power consumption. Acquisition attempts may be performed in a “ping-pong” manner to improve the likelihood of acquisition. For a ping-pong search, an acquisition attempt is made on the most recently acquired channel prior to an acquisition attempt on each of the remaining channels. Received signal strength estimates may also be obtained for selected channels and may be used to determine whether or not to attempt acquisition on these channels.

Abstract translation: 有效地尝试采集分组数据系统（例如，IS-856系统）的技术。 如果终端已经在语音/数据系统（例如，IS-2000系统）中获取了一个或多个信道，则它可以尝试在分组数据系统中与语音/数据系统中所获取的信道共同位置的信道上的采集， 数据系统 可以使用多个采集模式，并且可以一次使用一个采集模式来执行同位置信道上的持续采集尝试，以便降低功耗。 收购尝试可以以“乒乓”方式进行，以提高获取的可能性。 对于乒乓搜索，在对每个剩余通道进行采集尝试之前，在最近获取的通道上进行采集尝试。 也可以对所选择的信道获得接收的信号强度估计，并且可以用于确定是否尝试在这些信道上进行采集。

公开(公告)号：US06819931B2

公开(公告)日：2004-11-16

申请号：US09904325

申请日：2001-07-12

Applicant: Messay Amerga ,  Abhay A. Joshi ,  Mark Levin

Inventor： Messay Amerga ,  Abhay A. Joshi ,  Mark Levin

IPC: H04Q720

CPC classification number: H04B1/7117

Abstract: A method for assigning tracking elements includes sorting a list of potential assignments according to a diversity criterion. In one example, a list of received signal instances is sorted first according to a measure of energy and then sorted again according to the diversity criterion. In a further embodiment, a demodulation element may be labeled available for assignment yet continue to output demodulated symbols in a locked state. Applications to a mobile station of a CDMA system for cellular telephony are discussed.

Abstract translation: 用于分配跟踪元素的方法包括根据分集标准排列潜在分配的列表。 在一个示例中，接收到的信号实例的列表首先根据能量的度量进行排序，然后根据多样性标准再次分类。 在另一个实施例中，解调元件可以被标记为可用于分配，但是在锁定状态下继续输出解调的符号。 讨论了用于蜂窝电话的CDMA系统的移动站的应用。