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    • 111. 发明申请
    • CENTRALIZED CONTROL OF PEER-TO-PEER COMMUNICATION
    • 集中控制对等通信
    • WO2010078273A2
    • 2010-07-08
    • PCT/US2009/069615
    • 2009-12-28
    • QUALCOMM IncorporatedPALANKI, RaviAGRAWAL, AvneeshBHUSHAN, Naga
    • PALANKI, RaviAGRAWAL, AvneeshBHUSHAN, Naga
    • G06F15/16
    • H04W16/14H04W28/16H04W48/08H04W76/10H04W76/14H04W76/25H04W84/045H04W92/18
    • Techniques for centralized control of peer-to-peer (P2P) communication and centralized control of femto cell operation are described. For centralized control of P2P communication, a designated network entity (e.g., a base station) may control P2P communication of stations (e.g., UEs) located within its coverage area. The designated network entity may receive an indication of a first station (e.g., a UE) desiring to communicate with a second station (e.g., another UE). The designated network entity may determine whether or not to select peer-to-peer communication for the first and second stations, e.g., based on the quality of their communication link. The designated network entity may assign resources to the stations if peer-to-peer communication is selected. For centralized control of femto cell operation, the designated network entity may control the operation of femto cells (e.g., may activate or deactivate femto cells) within its coverage area.
    • 描述了用于集中控制对等(P2P)通信和集中控制毫微微小区操作的技术。 为了集中控制P2P通信,指定的网络实体(例如,基站)可以控制位于其覆盖区域内的站(例如,UE)的P2P通信。 指定的网络实体可以接收期望与第二站(例如,另一个UE)通信的第一站(例如,UE)的指示。 指定的网络实体可以例如基于它们的通信链路的质量来确定是否选择第一和第二站的对等通信。 如果选择了对等通信,则指定的网络实体可以将资源分配给站。 为了集中控制毫微微小区操作,指定的网络实体可以控制其覆盖区域内的毫微微小区的操作(例如,可以激活或去激活毫微微小区)。
    • 114. 发明申请
    • SIGNALING MESSAGE TRANSMISSION IN A WIRELESS COMMUNICATION NETWORK
    • 无线通信网络中的信令消息传输
    • WO2009120941A2
    • 2009-10-01
    • PCT/US2009/038526
    • 2009-03-27
    • QUALCOMM INCORPORATEDPALANKI, RaviGOROKHOV, Alexei, Y.
    • PALANKI, RaviGOROKHOV, Alexei, Y.
    • H04L5/00
    • H04W72/082H04L5/0007H04L5/0053H04L5/0091H04L27/10H04L27/2647H04L27/30H04W52/243H04W52/245H04W52/281H04W52/32H04W72/0426
    • Techniques for sending signaling messages in a wireless communication network are described. In an aspect, a signaling message (e.g., a reduce interference request) may be sent by mapping it to at least one specific subcarrier among a set of subcarriers reserved for sending the signaling message. The at least one subcarrier may be selected based on the message value. A signal may be sent on the at least one subcarrier in multiple symbol periods to convey the signaling message. In another aspect, a reduce interference request may be sent based on an orthogonal resource among orthogonal resources available for sending reduce interference requests. In one design, an orthogonal sequence may be selected based on the request and may be spread across a resource segment. In another design, the reduce interference request may be processed to obtain modulation symbols, and each modulation symbol may be spread across multiple subcarriers in one symbol period.
    • 描述了在无线通信网络中发送信令消息的技术。 在一方面,信令消息(例如,减少干扰请求)可以通过将信令消息映射到保留用于发送信令消息的一组子载波中的至少一个特定子载波来发送。 可以基于消息值来选择至少一个子载波。 可以在多个符号周期中的至少一个子载波上发送信号以传送信令消息。 在另一方面,可以基于可用于发送减少干扰请求的正交资源之间的正交资源来发送减少干扰请求。 在一种设计中,可以基于该请求来选择正交序列,并且可以跨越资源段进行扩展。 在另一种设计中,可以处理减少干扰请求以获得调制符号,并且每个调制符号可以在一个符号周期内跨多个子载波进行扩展。
    • 119. 发明申请
    • CODE INTERLEAVING FOR WALSH CODES
    • 代码交换代码
    • WO2008014290A1
    • 2008-01-31
    • PCT/US2007/074267
    • 2007-07-24
    • QUALCOMM IncorporatedGOROKHOV, AlexeiPALANKI, Ravi
    • GOROKHOV, AlexeiPALANKI, Ravi
    • H04L1/00
    • H04L1/0041H04J13/0048H04L1/0045H04L1/0071
    • Communication systems and methods that mitigate false alarms due to Doppler shift are disclosed. Received message data is mapped to orthogonal Walsh codes, interleaved and scrambled with appropriate PN sequence prior to transmission. The transmitted message data is descrambled and deinterleaved upon reception. The energies associated with each of the Walsh code from various antennas and/or signal paths are combined to obtain a total energy for each Walsh code. If the total energy of the Walsh code exceeds a certain threshold it is declared as the received message else an erasure is indicated. As the data is interleaved prior to transmission, any phase ramp introduced due to Doppler is transformed into random phase errors upon deinterleaving at the receiver thereby mitigating false alarms.
    • 公开了减轻由于多普勒频移导致的假警报的通信系统和方法。 接收的消息数据被映射到正交沃尔什码,在传输之前用适当的PN序列进行交织和加扰。 发送的消息数据在接收时进行解扰和解交织。 与来自各种天线和/或信号路径的每个沃尔什码相关联的能量被组合以获得每个沃尔什码的总能量。 如果沃尔什码的总能量超过某个阈值,则将其声明为接收到的消息,否则指示擦除。 随着数据在传输之前进行交错,由于多普勒引入的任何相位斜坡在接收机上进行解交织后被转换为随机相位误差,从而减轻了误报。