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1. 发明授权

US06810254B2 Method and apparatus for performing mobile assisted hard handoff between communication systems 有权
标题翻译：用于在通信系统之间执行移动辅助硬切换的方法和装置
公开(公告)号：US06810254B2
公开(公告)日：2004-10-26
申请号：US09946910
申请日：2001-09-04
申请人： Edward G. Tiedemann, Jr. , Tao Chen , Charles E. Wheatley, III
发明人： Edward G. Tiedemann, Jr. , Tao Chen , Charles E. Wheatley, III
IPC分类号： H04Q722
CPC分类号： H04W36/0094 , H04W36/0061 , H04W36/0066 , H04W36/14 , H04W36/30 , Y02D70/00
摘要： A method and apparatus for performing inter-system hard handoff between communication systems or inter-frequency hard handoff within a CDMA communication system is disclosed. The purpose is to reduce the probability of dropped calls during inter-system hard handoff. In the event that a hard handoff attempt is unsuccessful, the mobile station will return to the original system with information which the communication system of the present invention uses to assist in the performance of future handoff attempts. Alternatively, with no handoff attempt made, the mobile station monitors the destination system then returns to the original system with information used to assist in subsequent handoff attempts. The information returned from monitoring a CDMA system consists of results of a search for one or more pilots given at offsets in a specific list provided to the mobile station by the base station or a set of offsets based upon a predetermined search algorithm.

2. 发明授权

US07391759B2 Method and apparatus for providing wireless communication system synchronization 有权
标题翻译：用于提供无线通信系统同步的方法和装置
公开(公告)号：US07391759B2
公开(公告)日：2008-06-24
申请号：US10383855
申请日：2003-03-07
申请人： Mark S. Wallace , Edward G. Tiedemann, Jr. , Charles E. Wheatley, III , J. Rod Walton , Steven J. Howard
发明人： Mark S. Wallace , Edward G. Tiedemann, Jr. , Charles E. Wheatley, III , J. Rod Walton , Steven J. Howard
IPC分类号： H04J3/06
CPC分类号： H04B7/2696
摘要： When insufficient traffic is present in the network to maintain synchronization in this manner, other methods must be used. One approach involves making direct measurements of the timing between base stations. This is accomplished in one of two ways. The base may interrupt its transmissions on all sectors for a short interval during which it determines the time of arrival of signals from other base stations. Given knowledge of the other base station locations, time errors relative to all other base stations may be derived. Alternatively, the base may send a short signal at high power in the mobile transmit band. This time-of-arrival of this signal is measured by the surrounding base stations and the time errors between pairs of base stations are computed. In some cases, a base station may be isolated sufficiently from all other base stations in the network such that direct base-to-base measurement is not viable. In this case, a fixed mobile is placed at a location in the handoff region between the isolated cell and another cell in the network. The fixed mobile either performs measurements of base station pilots on command of the base and reports the timing information, or sends a burst transmission at a specified time and power level to be measured by the base stations.
摘要翻译：当网络中不足够的流量以这种方式维持同步时，必须使用其他方法。一种方法包括对基站之间的定时进行直接测量。这是通过两种方式之一实现的。基站可以在所有扇区上中断其传输短时间间隔，在此期间它确定来自其他基站的信号的到达时间。鉴于其他基站位置的知识，可以导出相对于所有其他基站的时间误差。或者，基站可以在移动发射频带中以高功率发送短信号。该信号的到达时间由周围的基站测量，并且计算基站对之间的时间误差。在一些情况下，基站可以与网络中的所有其他基站充分隔离，使得直接基站到基站的测量是不可行的。在这种情况下，固定移动台被放置在隔离小区与网络中的另一小区之间的切换区域中的位置。固定移动台可以在基站的指令下执行基站导频的测量，并且报告定时信息，或者在由基站测量的指定时间和功率电平上发送突发传输。

3. 发明授权

US06381230B1 Method and system for providing personal base station communications 失效
标题翻译：提供个人基站通信的方法和系统
公开(公告)号：US06381230B1
公开(公告)日：2002-04-30
申请号：US09123495
申请日：1998-07-28
申请人： Charles E. Wheatley, III , Edward G. Tiedemann, Jr. , Joseph P. Odenwalder , Rajeev Krishnamurthi
发明人： Charles E. Wheatley, III , Edward G. Tiedemann, Jr. , Joseph P. Odenwalder , Rajeev Krishnamurthi
IPC分类号： H04Q700
CPC分类号： H04W16/16 , H04W84/042 , H04W84/105 , H04W88/04 , H04W88/06 , H04W88/08
摘要： A method and system for operation of a personal base station where the forward link of a personal base station is on the same frequency assignment as a first forward link data signal transmitted by a macro base station belonging to a cellular communication system. A first subscriber station communicates with the macro base station. The personal base station generates a second forward link data signal and communicates with a second subscriber station. The personal base station receives the first forward link data signal and combines it with its own second forward link data signal to form a combined forward link data signal. The personal base station then transmits the combined forward link data signal. The first subscriber station is able to receive and diversity combine the combined forward link data signal, improving the signal to noise ratio that would otherwise occur in the vicinity of the personal base station.
摘要翻译：一种用于个人基站的操作的方法和系统，其中个人基站的前向链路与属于蜂窝通信系统的宏基站发送的与第一前向链路数据信号相同的频率分配。第一用户站与宏基站进行通信。个人基站产生第二前向链路数据信号并与第二用户台进行通信。个人基站接收第一前向链路数据信号并将其与其自己的第二前向链路数据信号组合，以形成组合的前向链路数据信号。然后，个人基站发送组合的前向链路数据信号。第一用户台能够接收并分集组合前向链路数据信号，从而提高否则将发生在个人基站附近的信噪比。

4. 发明授权

US07831272B2 Method and apparatus for performing fast power control in a mobile communication system 有权
标题翻译：用于在移动通信系统中执行快速功率控制的方法和装置
公开(公告)号：US07831272B2
公开(公告)日：2010-11-09
申请号：US11097510
申请日：2005-04-01
申请人： Edward G. Tiedemann, Jr. , Joseph P. Odenwalder , Charles E. Wheatley, III , Roberto Padovani
发明人： Edward G. Tiedemann, Jr. , Joseph P. Odenwalder , Charles E. Wheatley, III , Roberto Padovani
IPC分类号： H04B7/00
CPC分类号： H04W52/362 , H04W52/08 , H04W52/20 , H04W52/228 , H04W52/247 , H04W52/28 , H04W52/282 , H04W52/283 , H04W52/367 , H04W52/50 , H04W52/60
摘要： A method and apparatus for controlling transmission power levels in a mobile communication system. The method provides for a closed-loop power control method. A mobile station provides information on the quality of the signal received from the base station, and the base station responds by adjusting the power allocated to that user in a shared base station signal. The transmission power is adjusted initially by a large increment and then ramped down at an increasingly decreasing rate. The mobile station also provides information to the base station as to its relative velocity and the base station adjusts its transmission power in accordance with this velocity information.
摘要翻译：一种用于控制移动通信系统中的发射功率电平的方法和装置。该方法提供闭环功率控制方法。移动台提供关于从基站接收的信号的质量的信息，并且基站通过在共享基站信号中调整分配给该用户的功率进行响应。传输功率最初由大增量调整，然后逐渐降低速率。移动台还向基站提供关于其相对速度的信息，并且基站根据该速度信息调整其发射功率。

5. 发明授权

US06876867B2 Method and apparatus for performing fast power control in a mobile communication system 失效
标题翻译：用于在移动通信系统中执行快速功率控制的方法和装置
公开(公告)号：US06876867B2
公开(公告)日：2005-04-05
申请号：US09825511
申请日：2001-04-03
申请人： Edward G. Tiedemann, Jr. , Joseph P. Odenwalder , Charles E. Wheatley, III , Roberto Padovani
发明人： Edward G. Tiedemann, Jr. , Joseph P. Odenwalder , Charles E. Wheatley, III , Roberto Padovani
IPC分类号： H04B7/26 , H04B1/06 , H04B7/00 , H04B7/005 , H04B17/00 , H04W52/08 , H04W52/22 , H04W52/24 , H04W52/28 , H04W52/36 , H04W52/60 , H05K11/02
CPC分类号： H04W52/362 , H04W52/08 , H04W52/20 , H04W52/228 , H04W52/247 , H04W52/28 , H04W52/282 , H04W52/283 , H04W52/367 , H04W52/50 , H04W52/60
摘要： A method and apparatus for controlling transmission power levels in a mobile communication system. The method provides for a closed-loop power control method. A mobile station provides information on the quality of the signal received from the base station, and the base station responds by adjusting the power allocated to that user in a shared base station signal. The transmission power is adjusted initially by a large increment and then ramped down at an increasingly decreasing rate. The mobile station also provides information to the base station as to its relative velocity and the base station adjusts its transmission power in accordance with this velocity information.
摘要翻译：一种用于控制移动通信系统中的发射功率电平的方法和装置。该方法提供闭环功率控制方法。移动台提供关于从基站接收的信号的质量的信息，并且基站通过在共享的基站信号中调整分配给该用户的功率进行响应。传输功率最初由大增量调整，然后逐渐降低速率。移动台还向基站提供关于其相对速度的信息，并且基站根据该速度信息调整其发射功率。

6. 发明授权

US06795508B1 Method and apparatus for obtaining transmit diversity using switched antennas 失效
标题翻译：使用交换天线获得发射分集的方法和装置
公开(公告)号：US06795508B1
公开(公告)日：2004-09-21
申请号：US09114036
申请日：1998-07-10
申请人： Joseph P. Odenwalder , Stein A. Lundby , Charles E. Wheatley, III , Edward G. Tiedemann, Jr.
发明人： Joseph P. Odenwalder , Stein A. Lundby , Charles E. Wheatley, III , Edward G. Tiedemann, Jr.
IPC分类号： H04B702
CPC分类号： H04L1/0057 , H04B7/0604 , H04L1/0061 , H04L1/0065 , H04L1/0068 , H04L1/0071 , H04L1/06
摘要： A method and apparatus for providing diversity transmissions to a mobile unit from a transmitting station having at least first and second antennas by repeatedly switching between the two antennas during the transmission of information to the receiving unit. Message information is transmitted from the first antenna in the transmitting station to the receiving unit. After the start of the transmission of the message information from the first antenna, transmission of the message information from the first antenna to the receiving unit terminates and transmission of the message information from the second antenna in the transmitting station to the receiving unit is initiated. Some time after transmission of the message information from second antenna is initiated, the transmission of the message information from the second antenna to the receiving unit terminates and transmission of the message information from the first antenna in the transmitting station to the receiving unit is initiated. Repeated switching between the first and second antennas is achieved by repeating the process. The switching results in diversity transmissions that improve the ability of a receiving unit to receive the coded and interleaved transmitted message information from the transmitting station. The interleaver disperses the encoded symbols in each antenna dwell period such that the decoder decisions are based on a mix of symbols form each antenna. Therefore the decoder decisions are unreliable only when the mix of symbols from the different antennas, with different fading characteristics, are unreliable over the span of symbols the decoder uses in its decision process.
摘要翻译：一种用于在具有至少第一和第二天线的发射台向移动单元提供分集传输的方法和装置，通过在向接收单元发送信息期间在两个天线之间重复切换。消息信息从发送站中的第一天线发送到接收单元。在从第一天线发送消息信息开始之后，消息信息从第一天线到接收单元的传输终止，并且发送消息信息从发送站中的第二天线到接收单元的发送。开始从第二天线发送消息信息之后的某个时间，消息信息从第二天线到接收单元的传输终止，并且发送消息信息从发送站中的第一天线到接收单元的发送。通过重复该过程来实现第一和第二天线之间的重复切换。切换导致分集传输，其提高接收单元从发射台接收编码和交织的传输消息信息的能力。交织器在每个天线驻留周期中分散编码符号，使得解码器判定基于每个天线的符号混合。因此，只有当解码器在其决策过程中使用的符号范围内，来自具有不同衰落特性的不同天线的符号混合不可靠时，解码器判决才是不可靠的。

7. 发明授权

US06307840B1 Mobile station assisted timing synchronization in CDMA communication system 失效
标题翻译：移动台辅助定时同步CDMA通信系统
公开(公告)号：US06307840B1
公开(公告)日：2001-10-23
申请号：US09008203
申请日：1998-01-16
申请人： Charles E. Wheatley, III , Edward G. Tiedemann, Jr.
发明人： Charles E. Wheatley, III , Edward G. Tiedemann, Jr.
IPC分类号： H04J306
CPC分类号： H04B7/2687 , H04B1/7075 , H04B1/70753 , H04B1/7077 , H04B2201/70701 , H04B2201/70702 , H04J3/0682 , H04J13/00
摘要： In the present invention, the slave base station attains synchronization with the reference base station through messages transmitted from and received by a mobile station either in the soft handoff region between the reference base station and the slave base station or within a range which allows the mobile station to communicate with the slave base station. When the mobile station is not in communication with both the reference base station and the slave base station, then the round trip delay between the mobile station and the reference base station is measured by the reference base station. The reference base station communicates the PN code used by the mobile station over the reverse link to the slave base station. The slave bsae station acquires the signal from the mobile station and determines when the signal from the mobile station arrives. The slave base station then makes and estimate as to the length of the delay between transmission of a signal from the mobile station to the slave base station. Based upon these measurements and estimates, the slave base station determines the error which is present in the slave base station system time.
摘要翻译：在本发明中，从基站通过在参考基站和从基站之间的软切换区域内或在允许移动台的范围内由移动站发送和接收的消息与基准基站实现同步站与从站基站进行通信。当移动台不与参考基站和从基站进行通信时，由参考基站测量移动台与参考基站之间的往返延迟。参考基站通过反向链路将由移动站使用的PN码传送到从基站。从站台站从移动站获取信号，并确定何时来自移动站的信号到达。然后，从基站对从移动台到从基站的信号的发送之间的延迟的长度进行估计。基于这些测量和估计，从基站确定从基站系统时间中存在的错误。

8. 发明授权

US06304755B1 Method and apparatus for performing mobile assisted hard handoff between communication systems 有权
标题翻译：用于在通信系统之间执行移动辅助硬切换的方法和装置
公开(公告)号：US06304755B1
公开(公告)日：2001-10-16
申请号：US09307878
申请日：1999-05-10
申请人： Edward G. Tiedemann, Jr. , Tao Chen , Charles E. Wheatley, III
发明人： Edward G. Tiedemann, Jr. , Tao Chen , Charles E. Wheatley, III
IPC分类号： H04Q738
CPC分类号： H04W36/0094 , H04W36/0061 , H04W36/0066 , H04W36/14 , H04W36/30 , Y02D70/00
摘要： A method and apparatus for performing inter-system hard handoff between communication systems or inter-frequency hard handoff within a CDMA communication system is disclosed. The purpose of this invention is to reduce the probability of dropped calls during inter-system hard handoff. In the event that a hard handoff attempt is unsuccessful, the mobile station will return to the original system with information which the communication system of the present invention uses to assist in the performance of future handoff attempts. Alternatively, with no handoff attempt made, the mobile station monitors the destination system then returns to the original system with information used to assist in subsequent handoff attempts. The information returned from monitoring a CDMA system consists of results of a search for one or more pilots given at offsets in a specific list provided to the mobile station by the base station or a set of offsets based upon a predetermined search algorithm.
摘要翻译：公开了一种用于在CDMA通信系统内进行通信系统之间的系统间硬切换或频间硬切换的方法和装置。本发明的目的是降低在系统间硬切换期间掉话的可能性。在硬切换尝试不成功的情况下，移动台将利用本发明的通信系统用于协助未来切换尝试的执行的信息返回到原始系统。或者，在没有进行切换尝试的情况下，移动台监视目的地系统，然后利用用于辅助随后的切换尝试的信息返回到原始系统。从监视CDMA系统返回的信息包括搜索由基站提供给移动台的特定列表中的偏移处给出的一个或多个导频的结果或基于预定搜索算法的一组偏移量的结果。

9. 发明授权

US5872774A Mobile station assisted timing synchronization in a CDMA communication system 失效
公开(公告)号：US5872774A
公开(公告)日：1999-02-16
申请号：US933888
申请日：1997-09-19
申请人： Charles E. Wheatley, III , Edward G. Tiedemann, Jr.
发明人： Charles E. Wheatley, III , Edward G. Tiedemann, Jr.
IPC分类号： H04B7/26 , H04B1/7075 , H04B1/7077 , H04J3/06 , H04W56/00 , H04W92/20
CPC分类号： H04J3/0682 , H04B1/7075 , H04B1/70753 , H04B1/7077 , H04W56/0015 , H04W56/0045 , H04B2201/70701 , H04B2201/70702 , H04W92/20
摘要： In the present invention, the slave base station attains synchronization with the reference base station through messages transmitted from and received by a mobile station in the soft handoff region between the reference base station and the slave base station. First, the round trip delay between the mobile station and the reference base station is measured by the reference base station. Once the mobile station acquires the signal from the slave base station, it measures and reports the difference between the amount of time it takes a signal to travel from the reference base station to it and the amount of time it takes a signal to travel from the slave base station to it. The last measurement necessary is a measurement by the slave base station of the time difference between the time it received the reverse link signal from the mobile and station the time it transmitted a signal to the mobile station. A series of computations described in detail herein are performed upon the measured time values to determine the time difference between the slave base station and an adjustment of the slave base station timing is performed in accordance therewith.

10. 发明授权

US5822318A Method and apparatus for controlling power in a variable rate communication system 失效
标题翻译：用于在可变速率通信系统中控制功率的方法和装置
公开(公告)号：US5822318A
公开(公告)日：1998-10-13
申请号：US283308
申请日：1994-07-29
申请人： Edward G. Tiedemann, Jr. , Klein S. Gilhousen , Joseph P. Odenwalder , Ephraim Zehavi , Jeffrey A. Levin , Charles E. Wheatley, III
发明人： Edward G. Tiedemann, Jr. , Klein S. Gilhousen , Joseph P. Odenwalder , Ephraim Zehavi , Jeffrey A. Levin , Charles E. Wheatley, III
IPC分类号： H04B7/00 , H04B7/005 , H04B7/26 , H04L1/00 , H04L1/08 , H04Q7/30
CPC分类号： H04W52/265 , H04L1/0002 , H04L1/0014 , H04L1/0021 , H04L1/0025 , H04L1/08 , H04W52/267 , Y02B60/50
摘要： A method and apparatus for controlling transmission power in a variable rate communication system is disclosed. The method disclosed provides for a closed loop power control method. A first remote station controls the transmission power of a second remote station by transmitting a rate dependent power control signal to the second remote communication station. Since only the second communication knows its transmission rate a priori, it must determine its course of action in accordance with both the received power control signal and the knowledge of its transmission rate.
摘要翻译：公开了一种用于控制可变速率通信系统中的发射功率的方法和装置。所公开的方法提供了一种闭环功率控制方法。第一远程站通过向第二远程通信站发送与速率相关的功率控制信号来控制第二远程站的发射功率。由于只有第二通信先验地知道其传输速率，所以它必须根据接收到的功率控制信号和其传输速率的知识确定其行动过程。

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