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    • 33. 发明申请
    • SYSTEM AND METHOD FOR ACQUISITION IN WIRELESS COMMUNICATION SYSTEMS
    • 无线通信系统采集系统与方法
    • WO2008070530A3
    • 2008-09-18
    • PCT/US2007085980
    • 2007-11-29
    • QUALCOMM INCKHANDEKAR AAMODGOROKHOV ALEXEIBHUSHAN NAGAPALANKI RAVI
    • KHANDEKAR AAMODGOROKHOV ALEXEIBHUSHAN NAGAPALANKI RAVI
    • H03G3/30H04B7/005H04L27/26
    • H04L27/3809H04L27/2647H04W52/52H04W68/02
    • Techniques for supporting efficient operation by terminals in a wireless communication system are described. A base station transmits a preamble periodically in each superframe. The preamble includes at least one first OFDM symbol for control information followed by at least one second OFDM symbol for paging information. A terminal receives the first and second OFDM symbols and determines a receiver gain based on the received power of the first OFDM symbol(s), e.g., with an AGC loop having a shorter time constant than the duration of the first OFDM symbol(s). The terminal processes the second OFDM symbol(s) based on the receiver gain to obtain the paging information. The terminal may operate in an idle state, determine superframes assigned to the terminal, sleep between the assigned superframes, and process the first and second OFDM symbols in each assigned superframe to obtain the paging information.
    • 描述了用于支持无线通信系统中的终端的有效操作的技术。 基站在每个超帧中周期性地发送前导码。 前导码包括用于控制信息的至少一个第一OFDM符号,随后是用于寻呼信息的至少一个第二OFDM符号。 终端接收第一和第二OFDM符号,并且基于第一OFDM符号的接收功率确定接收机增益,例如,具有比第一OFDM符号的持续时间更短的时间常数的AGC环路, 。 终端基于接收机增益来处理第二OFDM符号以获得寻呼信息。 终端可以在空闲状态下操作,确定分配给终端的超帧,在分配的超帧之间休眠,并且处理每个分配的超帧中的第一和第二OFDM符号以获得寻呼信息。
    • 36. 发明申请
    • FLEXIBLE TIME-FREQUENCY MULTIPLEXING STRUCTURE FOR WIRELESS COMMUNICATION
    • 用于无线通信的灵活时频多路复用结构
    • WO2007098482A2
    • 2007-08-30
    • PCT/US2007062526
    • 2007-02-21
    • QUALCOMM INCBHUSHAN NAGAGOROKHOV ALEXEI
    • BHUSHAN NAGAGOROKHOV ALEXEI
    • H04L5/02H04L27/26
    • H04L5/0044H04L5/0007H04L5/0016H04L5/0042H04L5/0048H04L5/0094
    • Techniques for efficiently sending data in a wireless communication system are described. Code division multiplexing (CDM) or orthogonal frequency division multiplexing (OFDM) may be selected for each traffic segment, which may correspond to specific time frequency resources. An output waveform comprised of traffic and overhead segments may be generated. Each traffic segment may carry CDM data at a chip rate if CDM is selected or OFDM data if OFDM is selected. OFDM symbols may be generated at a sample rate that may be an integer ratio of the chip rate and may have a duration that may be determined based on the traffic segment duration. The output waveform may carry CDM data and/or OFDM data on subcarriers corresponding to at least one carrier in a spectral allocation and may further carry OFDM data on remaining usable subcarriers in the spectral allocation.
    • 描述用于在无线通信系统中有效发送数据的技术。 可以为可能对应于特定时间频率资源的每个业务段选择码分复用(CDM)或正交频分复用(OFDM)。 可以产生由流量和开销段构成的输出波形。 如果选择CDM,则每个业务段可以以码片速率携带CDM数据,如果选择OFDM,则可以携带OFDM数据。 可以以可以是码片速率的整数比率的采样率产生OFDM符号,并且可以具有可以基于业务段持续时间来确定的持续时间。 输出波形可以在频谱分配中对应于至少一个载波的子载波上携带CDM数据和/或OFDM数据,并且还可以在频谱分配中的剩余可用子载波上承载OFDM数据。
    • 38. 发明申请
    • NETWORK-ASSISTED PEER DISCOVERY
    • 网络辅助对等体发现
    • WO2011130623A3
    • 2011-12-22
    • PCT/US2011032676
    • 2011-04-15
    • QUALCOMM INCMALLIK SIDDHARTHAWANG RENQIUPALANKI RAVIBHUSHAN NAGA
    • MALLIK SIDDHARTHAWANG RENQIUPALANKI RAVIBHUSHAN NAGA
    • H04W8/00
    • G06F17/3005H04L67/1061H04L67/1063H04L67/1068H04W8/005H04W76/023H04W84/18
    • Techniques for performing network-assisted peer discovery to enable peer-to-peer (P2P) communication are described. In one design, a device registers with a network entity (e.g., a directory agent) so that the presence of the device and possibly other information about the device can be made known to the network entity. The network entity collects similar information from other devices. The device sends a request to the network entity, e.g., during or after registration. The request includes information used to match the device with other devices, e.g., information about service(s) provided by the device and/or service(s) requested by the device. The directory agent matches requests received from all devices, determines a match between the device and at least one other device, and sends a notification to perform peer discovery. The device performs peer discovery in response to receiving the notification from the network entity.
    • 描述了用于执行网络辅助对等体发现以启用对等(P2P)通信的技术。 在一种设计中,设备向网络实体(例如,目录代理)注册,使得设备的存在以及可能的关于设备的其他信息可以被网络实体所知。 网络实体从其他设备收集类似的信息。 该设备向网络实体发送请求,例如在注册期间或之后。 该请求包括用于将设备与其他设备匹配的信息,例如由设备请求的设备和/或服务提供的服务的信息。 目录代理匹配从所有设备接收的请求,确定设备与至少一个其他设备之间的匹配,并发送通知以执行对等体发现。 响应于从网络实体接收到通知,设备执行对等体发现。
    • 40. 发明申请
    • METHOD AND APPARATUS FOR TRANSPARENT RELAY HYBRID AUTOMATIC REPEAT REQUEST (HARQ)
    • 用于透明继电器混合自动重复请求(HARQ)的方法和装置
    • WO2011008997A3
    • 2011-04-21
    • PCT/US2010042189
    • 2010-07-15
    • QUALCOMM INCJI TINGFANGKHANDEKAR AAMOD DBHUSHAN NAGA
    • JI TINGFANGKHANDEKAR AAMOD DBHUSHAN NAGA
    • H04L1/18
    • H04L1/18
    • Systems, apparatuses, and methods are disclosed for a relay station (120) for use in a communication system with a base station (eNB) and user equipment (UE). The relay station may decode and forward a data packet between the base station and the UE that the relay station services in which the relay station does not establish a direct link with the UE. Further, the relay station indicates successful decoding of the data packet to the base station such that if the base station receives information indicating successful decoding of the data packet from the relay station, the base station terminates a HARQ transmission on a direct link between the base station and the UE such that HARQ retransmission time is extended compared to direct communications between the base station and the UE.
    • 公开了用于与基站(eNB)和用户设备(UE)的通信系统中使用的中继站(120)的系统,装置和方法。 中继站可以解码和转发基站和UE之间的数据分组,中继站服务的中继站不与UE建立直接链路。 此外,中继站指示数据分组成功地解码到基站,使得如果基站从中继站接收到指示成功解码数据分组的信息,则基站在基站之间的直接链路上终止HARQ传输 站和UE,使得与基站和UE之间的直接通信相比,HARQ重传时间被扩展。