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41. 发明申请

US20090285159A1 LOAD BALANCING IN A WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：无线通信系统中的负载平衡
公开(公告)号：US20090285159A1
公开(公告)日：2009-11-19
申请号：US12466151
申请日：2009-05-14
申请人： Ramin Rezaiifar , Rashid Ahmed A. Attar , Christopher G. Lott
发明人： Ramin Rezaiifar , Rashid Ahmed A. Attar , Christopher G. Lott
IPC分类号： H04W4/00
CPC分类号： H04W72/0486 , H04W72/02 , H04W72/042
摘要： Techniques for selecting a serving sector for a terminal based on server selection information in order to balance the load of sectors in a wireless communication system are described. The server selection information for each sector may be set based on the load of the sector and may be used to rank the sector for selection as a serving sector. In one design, a terminal may receive server selection information for multiple sectors. The server selection information for each sector may include an offset used to adjust a measurement made by the terminal for the sector, a priority of the sector for selection as a serving sector, a DRCLock set based on the load of the sector, etc. The terminal may determine received signal qualities of the sectors. The terminal may then select one of the sectors as a serving sector based on the server selection information and the received signal qualities of the sectors.
摘要翻译：描述了基于服务器选择信息为终端选择服务扇区以平衡无线通信系统中的扇区负载的技术。可以基于扇区的负载来设置每个扇区的服务器选择信息，并且可以使用该扇区对扇区进行排序以供选择作为服务扇区。在一种设计中，终端可以接收多个扇区的服务器选择信息。每个扇区的服务器选择信息可以包括用于调整由终端为扇区所做的测量的偏移，用于选择服务扇区的扇区的优先级，基于扇区的负载的DRCLock集合等。终端可以确定扇区的接收信号质量。然后，终端可以基于服务器选择信息和扇区的接收信号质量来选择扇区中的一个作为服务扇区。

42. 发明申请

US20090196294A1 PACKET TRANSMISSION VIA MULTIPLE LINKS IN A WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：通过无线通信系统中的多个链路进行分组传输
公开(公告)号：US20090196294A1
公开(公告)日：2009-08-06
申请号：US12114427
申请日：2008-05-02
申请人： Peter John Black , Ramin Rezaiifar
发明人： Peter John Black , Ramin Rezaiifar
IPC分类号： H04L12/56
CPC分类号： H04L1/1607 , H04L1/0001 , H04L1/1812 , H04L1/1854 , H04L1/1874 , H04L1/1887 , H04L5/0007 , H04L5/0044 , H04L5/0053 , H04L25/14 , H04L47/10 , H04L2001/0096
摘要： Techniques for generating and transmitting packets on multiple links in a wireless communication system are described. In one aspect, a transmitter generates new packets for the multiple links based on the likelihood of each link being available. The transmitter determines the likelihood of each carrier being available based on whether or not there is a pending packet on that carrier and, if yes, the number of subpackets sent for the pending packet. The transmitter generates new packets such that packets for links progressively less likely to be available contain data units with progressively higher sequence numbers. The transmitter determines whether each link is available and sends a packet on each link that is available. In another aspect, the transmitter generates and sends new packets in a manner to ensure in-order transmission. In one design, the transmitter generates new packets for each possible combination of links that might be available.
摘要翻译：描述了用于在无线通信系统中的多个链路上生成和发送分组的技术。在一个方面，发射机基于每个链路可用的可能性为多个链路生成新分组。发射机根据该载波上是否有待处理的分组确定每个载波的可用性，如果是，则确定为待分组发送的子分组的数量。发射机产生新的分组，使得用于链路的分组逐渐变得不太可能包含具有逐渐更高序列号的数据单元。发射机确定每个链路是否可用，并在可用的每个链路上发送一个数据包。在另一方面，发射机以确保按顺序传输的方式生成并发送新分组。在一种设计中，发射机为可能可用的链路的每个可能组合生成新的分组。

43. 发明授权

US07450943B2 Method and apparatus for determining coverage and switching between overlay communication systems 失效
标题翻译：用于确定覆盖通信系统之间的覆盖和切换的方法和装置
公开(公告)号：US07450943B2
公开(公告)日：2008-11-11
申请号：US10366101
申请日：2003-02-12
申请人： Peter J. Black , Ramin Rezaiifar , Thunyachate Ekvetchavit
发明人： Peter J. Black , Ramin Rezaiifar , Thunyachate Ekvetchavit
IPC分类号： H04Q7/20
CPC分类号： H04W36/30 , H04W36/14
摘要： Techniques to determine whether or not a terminal is under the coverage of a current wireless communication system (e.g., a packet data system) and to switch from the current system to another wireless communication system (e.g., a voice/data system). In one method, at least one measurement of at least one parameter for at least one base station in the current system is initially obtained. The measurement(s) may be SNR measurements. A metric is derived based on the measurement(s) and used (typically along with a metric threshold and a timer) to determine whether or not the terminal is within the coverage of the current system. A switch to another system is initiated if the terminal is deemed to be outside the coverage of the current system. The two systems provide at least one common service (e.g., packet data service).
摘要翻译：确定终端是否处于当前无线通信系统（例如，分组数据系统）的覆盖范围内并且从当前系统切换到另一个无线通信系统（例如，语音/数据系统）的技术。在一种方法中，首先获得当前系统中至少一个基站的至少一个参数的至少一个测量。测量可以是SNR测量。基于测量并使用（通常与度量阈值和定时器）来导出度量，以确定终端是否在当前系统的覆盖范围内。如果终端被认为在当前系统的覆盖范围之外，则启动到另一个系统的切换。两个系统提供至少一个公共服务（例如，分组数据服务）。

44. 发明申请

US20080186920A1 Seamless context switching for radio link protocol 有权
标题翻译：无线链路协议的无缝上下文切换
公开(公告)号：US20080186920A1
公开(公告)日：2008-08-07
申请号：US12012786
申请日：2008-02-04
申请人： Ramin Rezaiifar , Peter Black
发明人： Ramin Rezaiifar , Peter Black
IPC分类号： H04Q7/00
CPC分类号： H04W36/02 , H04W36/14 , H04W76/20 , H04W80/06
摘要： Techniques to support handover of a terminal from a source base station to a target base station are described. In one design, a determination is made whether a change in personality is requested by the terminal. If the answer is ‘Yes’, then the personality of the terminal may be switched by sending one or more appropriate messages. The connection and RLP for the terminal may be reset due to the change in personality. A buffer of data reported by the source base station as being served to the terminal (e.g., no NAK was sent) may be saved by a BSC/PCF. The buffer of data may be sent to the target base station when handover occurs. New data may thereafter be sent to the target base station. This buffer of duplicate data may avoid both loss of data and retransmission timeout by TCP during the handover.
摘要翻译：描述了支持终端从源基站到目标基站的切换的技术。在一种设计中，确定终端是否请求个性的改变。如果答案是“是”，则可以通过发送一个或多个适当的消息来切换终端的个性。由于个性的变化，终端的连接和RLP可能被重置。由BSC / PCF可以保存由源基站向终端提供的数据的缓冲器（例如没有发送NAK）。当切换发生时，数据的缓冲器可以被发送到目标基站。此后可将新数据发送到目标基站。这种重复数据缓冲器可以避免在切换过程中TCP的数据丢失和重传超时。

45. 发明授权

US07280562B2 Variable packet lengths for high packet data rate communications 有权
标题翻译：用于高分组数据速率通信的可变分组长度
公开(公告)号：US07280562B2
公开(公告)日：2007-10-09
申请号：US10368887
申请日：2003-02-18
申请人： Nagabhushana Sindhushayana , Rashid A. Attar , Ramin Rezaiifar
发明人： Nagabhushana Sindhushayana , Rashid A. Attar , Ramin Rezaiifar
IPC分类号： H04J3/24
CPC分类号： H04L12/5602 , H04L63/162
摘要： Method and apparatus for variable length Physical Layer (PL) packet generation. Multiple Security Layer (SL) packets may be multiplexed into a single PL packet to increase efficiency, wherein the SL packets may have variable lengths. In one embodiment, different format SL packets for different users are combined into capsules that form the PL packet. Shorter packets are for users in poor channel conditions or requiring smaller amounts of data due to the applications and the accompanying Quality of Service (QoS) requirements. In one embodiment, a modified Preamble structure provides for Unicast or multi-user packets. Alternate embodiment provides modified Rate Sets, a mechanism for identifying ACK from a single-user packet or a multiplexed packet (delayed ACK). ON/OFF keying for ACK channel v/s bi-polar keying used in IS-856, and/or multi-valued interpretation of DRC.
摘要翻译：用于可变长度物理层（PL）分组生成的方法和装置。多个安全层（SL）分组可以被多路复用到单个PL分组中以提高效率，其中SL分组可以具有可变长度。在一个实施例中，用于不同用户的不同格式的SL分组被组合成形成PL分组的胶囊。由于应用程序和随附的服务质量（QoS）要求，较短的数据包对于信道状况较差的用户或要求较少量的数据。在一个实施例中，经修改的前导码结构提供单播或多用户分组。替代实施例提供修改的速率集合，用于从单用户分组或复用分组（延迟ACK）识别ACK的机制。 IS-856中使用的ACK通道v / s双极键控的ON / OFF键控和/或DRC的多值解释。

46. 发明申请

US20070217365A1 METHOD AND APPARATUS FOR CHANNEL OPTIMIZATION DURING POINT-TO-POINT PROTOCOL (PPP) SESSION REQUESTS 有权
标题翻译：点对点协议（PPP）会话请求中的通道优化的方法和装置
公开(公告)号：US20070217365A1
公开(公告)日：2007-09-20
申请号：US11678521
申请日：2007-02-23
申请人： Ramin Rezaiifar , Raymond Hsu , Nischal Abrol
发明人： Ramin Rezaiifar , Raymond Hsu , Nischal Abrol
IPC分类号： H04Q7/00
CPC分类号： H04W8/12 , H04W76/20 , H04W80/04
摘要： A method and apparatus for requesting PPP instances from a packet data services network includes a mobile station configured to send an origination message to a packet data service node (PDSN) at which it has arrived upon leaving the vicinity of another PDSN. The message informs the new PDSN of the new location of the mobile station and indicates both the number of dormant PPP instances associated with the mobile station and a service reference identifier for each such PPP instance. A flag within the message may be used to indicate whether the PPP instances are dormant (i.e., whether the mobile station is engaged in a call). Communications channel resources of packet data services nodes are optimized by reducing the information included in messages from the Packet Control Function network element to the Packet Data Service Node network element, and by reducing the use of Mobile Internet Protocol agent advertisement.
摘要翻译：一种用于从分组数据业务网络请求PPP实例的方法和装置，包括：移动台，被配置为向离开另一个PDSN附近的分组数据业务节点（PDSN）发送发起消息。该消息通知新的PDSN移动站的新位置，并指示与移动站相关联的休眠PPP实例的数量和每个这样的PPP实例的服务参考标识。消息内的标志可以用于指示PPP实例是否处于休眠状态（即移动台是否进行呼叫）。通过将分组控制功能网元的消息中包含的信息减少到分组数据业务节点网元，并减少使用移动互联网协议代理广告来优化分组数据业务节点的通信信道资源。

47. 发明申请

US20060246888A1 Connection failure reporting in wireless communication systems 有权
标题翻译：无线通信系统中的连接故障报告
公开(公告)号：US20060246888A1
公开(公告)日：2006-11-02
申请号：US11407571
申请日：2006-04-19
申请人： Paul Bender , Ramin Rezaiifar , Abhay Joshi , James Hutchison
发明人： Paul Bender , Ramin Rezaiifar , Abhay Joshi , James Hutchison
IPC分类号： H04Q7/20
CPC分类号： H04W24/08 , H04M15/00 , H04M15/41 , H04M15/74 , H04M2215/0164 , H04M2215/709 , H04W24/00 , H04W24/04 , H04W24/10 , H04W88/02
摘要： Embodiments disclosed herein relate to methods and systems for reporting and compiling connection failures in wireless communication systems. In an embodiment, when an access terminal experiences a connection failure (e.g., an unintended one), the access terminal may generate a connection failure record associated with the event, and send a message containing the connection failure record to an access network it has since established the connection. The access network may send a message containing a connection failure report acknowledgement (ACK) message to the access terminal, upon reception of the connection failure report message. The network operators may use the connection failure records thus compiled to identify problematic spots in the system and improve the quality of service.
摘要翻译：本文公开的实施例涉及用于报告和编译无线通信系统中的连接故障的方法和系统。在一个实施例中，当接入终端遇到连接故障（例如，非预期的接入）时，接入终端可以生成与该事件相关联的连接失败记录，并将包含连接故障记录的消息发送到其已经具有的接入网络建立连接。在接收到连接失败报告消息时，接入网络可以向接入终端发送包含连接失败报告确认（ACK）消息的消息。网络运营商可以使用如此编译的连接故障记录来识别系统中的问题点，并提高服务质量。

48. 发明授权

US07130626B2 Access terminal identification management 有权
标题翻译：接入终端识别管理
公开(公告)号：US07130626B2
公开(公告)日：2006-10-31
申请号：US10960301
申请日：2004-10-06
申请人： Paul E. Bender , Ramin Rezaiifar , Greg M. Hoagland
发明人： Paul E. Bender , Ramin Rezaiifar , Greg M. Hoagland
IPC分类号： H04Q7/20
CPC分类号： H04W8/26 , H04W16/02 , H04W16/12 , H04W80/00
摘要： Access terminal identification management providing a minimum distance between subnets before reusing subnet identifiers. Mobility criteria evaluation determines when to reassign an access terminal identifier. In one embodiment, the mobility criteria is whether any member of the active set for the access terminal belongs to an originating subnet. In an alternate embodiment, the criteria is whether the access terminal has traveled more than a minimum distance from the originating subnet. When a mobility criteria is violated, the access network assigns a new identifier. In one embodiment, the access terminal identifier is a long code mask based on a subnet identifier. Identifier management applies when crossing sector boundaries in a cellular system, and serves to reduce the ambiguity of mapping CC values to full UATI values, and to avoid overlapping assignments.
摘要翻译：接入终端识别管理在重新使用子网标识符之前提供子网之间的最小距离。移动性标准评估确定何时重新分配接入终端标识符。在一个实施例中，移动性标准是用于接入终端的活动集的任何成员是否属于始发子网。在替代实施例中，标准是接入终端是否已经从始发子网行进超过最小距离。当违反移动性标准时，接入网络分配一个新的标识符。在一个实施例中，接入终端标识符是基于子网标识符的长码掩码。标识符管理在跨越蜂窝系统中的扇区边界时适用，并且用于减少将CC值映射到完全UATI值的模糊性，并避免重叠分配。

49. 发明申请

US20060187955A1 Radio link protocols for multi-link communication systems 有权
标题翻译：多链路通信系统的无线链路协议
公开(公告)号：US20060187955A1
公开(公告)日：2006-08-24
申请号：US11355700
申请日：2006-02-15
申请人： Ramin Rezaiifar , Parag Agashe , Paul Bender
发明人： Ramin Rezaiifar , Parag Agashe , Paul Bender
IPC分类号： H04J15/00
CPC分类号： H04L1/1642 , H04L1/1809 , H04L69/14 , H04L69/324
摘要： Embodiments disclosed herein relate to a new set of radio link protocols (RLPs) configured to provide for efficient data transmission in a multi-link communication system. In an embodiment, an upper-layer packet is segmented into link-layer packets to be transmitted over a plurality of communication links, each including a first sequence number in accordance with a predetermined order. A second sequence number is further added to each link-layer packet to be transmitted for the first time. The second sequence number is configured to be in a sequence space associated with a particular communication link, and may be used for detection of missing packets.
摘要翻译：本文公开的实施例涉及被配置为在多链路通信系统中提供有效的数据传输的新的无线电链路协议集合（RLP）。在一个实施例中，上层分组被分割成要在多个通信链路上发送的链路层分组，每个通信链路包括根据预定顺序的第一序列号。第二序列号进一步添加到要首次发送的每个链路层分组。第二序列号被配置为与特定通信链路相关联的序列空间中，并且可以用于检测丢失的分组。

50. 发明申请

US20060165038A1 Method and apparatus for handoff of a wireless packet data services connection 有权
公开(公告)号：US20060165038A1
公开(公告)日：2006-07-27
申请号：US11390611
申请日：2006-03-27
申请人： Nischal Abrol , Ramin Rezaiifar
发明人： Nischal Abrol , Ramin Rezaiifar
IPC分类号： H04Q7/00
CPC分类号： H04W36/12
摘要： A novel method and apparatus is disclosed for performing seamless handoff of a mobile station (MS) between Radio Access Networks (RANs) that use different types of wireless interfaces. The described embodiments enable an MS to handoff between different RANs without causing routing ambiguity, and without substantial loss of network data. Upon moving from the coverage area of a first RAN using a first wireless interface to the coverage area of a second RAN using a second wireless interface, an MS determines whether routing ambiguity may result from the change of RAN and, based on the determination, triggers a re-registration of its network address. A foreign agent (FA) within a packet data serving node (PDSN) monitors network address re-registrations in order to determine whether multiple RAN-PDSN (R-P) connections are being created for the same MS. Based on this determination, the PDSN terminates redundant R-P network connections resulting from movement of the MS between different RANs.

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