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    • 3. 发明授权
    • Method and apparatus for determining transmission power of a secondary transmitter in a hierarchical spectrum sharing system
    • 用于确定分层频谱共享系统中的次发射机的发射功率的方法和装置
    • US09313746B2
    • 2016-04-12
    • US13995845
    • 2011-09-16
    • Chaofeng LiLei JiangMing Lei
    • Chaofeng LiLei JiangMing Lei
    • H04B7/00H04W52/24H04W52/22H04W52/34
    • H04W52/241H04W52/226H04W52/244H04W52/34
    • The present invention provides a method and apparatus for determining a transmission power of a secondary transmitter in a hierarchical spectrum sharing system. The method can comprise steps of obtaining channel quality information on a primary link from at least one primary receiver within a transmission range of the secondary transmitter; and determining the transmission power for the secondary transmitter based on the channel quality information, wherein the transmission power is matched with the channel quality indicated by the channel quality information. According to the embodiments of the present invention, a power control scheme is applied to the secondary transmitter based on the channel quality information on the primary link. In such a way, the secondary transmitter' throughput can be improved with controllable rate loss to the primary receiver and accordingly the spectrum efficiency for the whole system can be further upgraded.
    • 本发明提供一种用于确定分层频谱共享系统中的次发射机的发射功率的方法和装置。 该方法可以包括以下步骤:从次发射机的传输范围内的至少一个主接收机获得主链路上的信道质量信息; 以及基于所述信道质量信息确定所述辅助发射机的发射功率,其中所述发射功率与由所述信道质量信息指示的信道质量匹配。 根据本发明的实施例,基于主链路上的信道质量信息,将次级发射机应用功率控制方案。 以这种方式,可以通过对主接收机的可控的速率损失来提高次级发射机的吞吐量,因此可以进一步升级整个系统的频谱效率。
    • 4. 发明申请
    • METHOD AND APPARATUS FOR DETERMINING TRANSMISSION POWER OF A SECONDARY TRANSMITTER IN A HIERARCHICAL SPECTURM SHARING SYSTEM
    • 用于确定分层分支系统中二次发射机传输功率的方法和装置
    • US20130344913A1
    • 2013-12-26
    • US13995845
    • 2011-09-16
    • Chaofeng LiLei JiangMing Lei
    • Chaofeng LiLei JiangMing Lei
    • H04W52/24
    • H04W52/241H04W52/226H04W52/244H04W52/34
    • The present invention provides a method and apparatus for determining a transmission power of a secondary transmitter in a hierarchical spectrum sharing system. The method can comprise steps of obtaining channel quality information on a primary link from at least one primary receiver within a transmission range of the secondary transmitter; and determining the transmission power for the secondary transmitter based on the channel quality information, wherein the transmission power is matched with the channel quality indicated by the channel quality information. According to the embodiments of the present invention, a power control scheme is applied to the secondary transmitter based on the channel quality information on the primary link. In such a way, the secondary transmitter' throughput can be improved with controllable rate loss to the primary receiver and accordingly the spectrum efficiency for the whole system can be further upgraded.
    • 本发明提供一种用于确定分层频谱共享系统中的次发射机的发射功率的方法和装置。 该方法可以包括以下步骤:从次发射机的传输范围内的至少一个主接收机获得主链路上的信道质量信息; 以及基于所述信道质量信息确定所述辅助发射机的发射功率,其中所述发射功率与由所述信道质量信息指示的信道质量匹配。 根据本发明的实施例,基于主链路上的信道质量信息,将次级发射机应用功率控制方案。 以这种方式,可以通过对主接收机的可控的速率损失来提高次级发射机的吞吐量,因此可以进一步升级整个系统的频谱效率。
    • 7. 发明申请
    • METHOD AND APPARATUS FOR OUTER LOOP LINK ADAPTATION FOR A WIRELESS COMMUNICATION SYSTEM
    • 用于无线通信系统的外部环路适配的方法和装置
    • US20140369283A1
    • 2014-12-18
    • US14345568
    • 2012-03-27
    • Qingwei GeGang WangZhennian SunMing Lei
    • Qingwei GeGang WangZhennian SunMing Lei
    • H04W24/02H04W72/08
    • H04W24/02H04B7/0413H04B7/0452H04B7/0689H04L1/1867H04W72/082
    • The present invention relates to a method for link adaptation in a wireless communication system. The method comprises: determining whether a UE operates in a SU-MIMO transmission mode or in a MU-MIMO transmission mode; applying, in responsive to determination that the UE operates in the SU-MIMO transmission mode, a SU-MIMO OLLA offset to a signal to interference and noise ratio adjusted with inner loop link adaptation; applying, in responsive to determination that the UE operates in the MU-MIMO transmission mode, a MU-MIMO OLLA offset to a signal to interference and noise ratio adjusted with inner loop link adaptation, wherein the MU-MIMO OLLA offset is based on the SU-MIMO OLLA offset and an extra offset which is indicative of inter-user interference, wherein the SU-MIMO OLLA offset and the extra offset are updated in responsive to receipt of an ACK/NACK message for a packet reported from the UE.
    • 本发明涉及无线通信系统中的链路自适应的方法。 该方法包括:确定UE是以SU-MIMO传输模式还是以MU-MIMO传输模式运行; 在响应于UE在SU-MIMO传输模式中操作的确定的情况下应用针对由内环路适配调整的信噪比和噪声比的SU-MIMO OLLA偏移; 在响应于确定UE在MU-MIMO传输模式中操作的应用中,将MIMO-MIMO OLLA偏移量应用于通过内环路链路自适应调整的信噪比和噪声比,其中MU-MIMO OLLA偏移基于 SU-MIMO OLLA偏移和指示用户间干扰的额外偏移,其中,响应于从UE报告的分组的ACK / NACK消息的接收,SU-MIMO OLLA偏移和额外偏移被更新。
    • 8. 发明授权
    • Method and apparatus for outer loop link adaptation for a wireless communication system
    • 用于无线通信系统的外环路链路适配的方法和装置
    • US09414241B2
    • 2016-08-09
    • US14345568
    • 2012-03-27
    • Qingwei GeGang WangZhennian SunMing Lei
    • Qingwei GeGang WangZhennian SunMing Lei
    • H04L1/00H04W24/02H04B7/04H04W72/08H04B7/06H04L1/18
    • H04W24/02H04B7/0413H04B7/0452H04B7/0689H04L1/1867H04W72/082
    • The present invention relates to a method for link adaptation in a wireless communication system. The method comprises: determining whether a UE operates in a SU-MIMO transmission mode or in a MU-MIMO transmission mode; applying, in responsive to determination that the UE operates in the SU-MIMO transmission mode, a SU-MIMO OLLA offset to a signal to interference and noise ratio adjusted with inner loop link adaptation; applying, in responsive to determination that the UE operates in the MU-MIMO transmission mode, a MU-MIMO OLLA offset to a signal to interference and noise ratio adjusted with inner loop link adaptation, wherein the MU-MIMO OLLA offset is based on the SU-MIMO OLLA offset and an extra offset which is indicative of inter-user interference, wherein the SU-MIMO OLLA offset and the extra offset are updated in responsive to receipt of an ACK/NACK message for a packet reported from the UE.
    • 本发明涉及无线通信系统中的链路自适应的方法。 该方法包括:确定UE是以SU-MIMO传输模式还是以MU-MIMO传输模式运行; 在响应于UE在SU-MIMO传输模式中操作的确定的情况下应用针对由内环路适配调整的信噪比和噪声比的SU-MIMO OLLA偏移; 在响应于确定UE在MU-MIMO传输模式中操作的应用中,将MIMO-MIMO OLLA偏移量应用于通过内环路链路自适应调整的信噪比和噪声比,其中MU-MIMO OLLA偏移基于 SU-MIMO OLLA偏移和指示用户间干扰的额外偏移,其中,响应于从UE报告的分组的ACK / NACK消息的接收,SU-MIMO OLLA偏移和额外偏移被更新。
    • 9. 发明授权
    • Method and apparatus for scheduling downlink transmission
    • 调度下行链路传输的方法和装置
    • US09030975B2
    • 2015-05-12
    • US13702918
    • 2010-12-20
    • Gang WangZhennian SunMing Lei
    • Gang WangZhennian SunMing Lei
    • H04J1/00H04W72/08H04L5/00H04W72/12H04W72/04
    • H04W72/085H04L5/0037H04W72/0453H04W72/1231
    • The present invention relates to method and apparatus for scheduling downlink transmission. According to an embodiment of the present invention, a method for scheduling downlink transmission in a wireless communication system is provided. The method comprises: scheduling, in a channel measurement sub-frame, user equipments in a cell according to feedback information that was most recently received from the user equipments, wherein in the channel measurement sub-frame, the user equipments calculate feedback information to be reported; and scheduling, in response to receipt of the feedback information, the user equipments based on a result of scheduling corresponding to the channel measurement sub-frame. According to an embodiment of the present invention, there is also provided a scheduling apparatus, base station device and corresponding computer program product.
    • 本发明涉及用于调度下行链路传输的方法和装置。 根据本发明的实施例,提供了一种用于在无线通信系统中调度下行链路传输的方法。 该方法包括:根据最近从用户设备接收的反馈信息,在信道测量子帧中调度小区中的用户设备,其中在信道测量子帧中,用户设备计算反馈信息为 报道 以及响应于所述反馈信息的接收,基于与所述信道测量子帧相对应的调度结果来调度所述用户设备。 根据本发明的实施例,还提供了一种调度装置,基站装置和相应的计算机程序产品。
    • 10. 发明申请
    • METHOD AND APPARATUS FOR LINK ADAPTATION IN PRECODED MIMO SYSTEMS
    • 用于预编码MIMO系统中链路适配的方法和装置
    • US20150110013A1
    • 2015-04-23
    • US14345125
    • 2012-03-29
    • Yu ZhangZhennian SunGang WangMing Lei
    • Yu ZhangZhennian SunGang WangMing Lei
    • H04L1/18H04B7/04
    • H04L1/1861H04B7/0413H04B7/0417H04B7/0452H04B7/0632H04L1/0015H04L1/0025H04L1/0034H04L1/0035
    • Embodiments of the invention relate to methods and apparatus for link adaptation in a preceded MIMO system. According to one embodiment, there is provided a method for link adaptation in a precoded MIMO system. The method comprises: receiving first channel quality information γCQI; with respect to at least one layer r in a plurality of layers in a link; obtaining a Hybrid Automatic Repeat Request (HARQ) scaling factor μr that is associated with a HARQ feedback; and interpreting the first channel quality information γCQI into second channel quality information {circumflex over (γ)}r based on at least the HARQ scaling factor μr, wherein the second channel quality information {circumflex over (γ)}r is for adapting the at least one layer r in the plurality of layers. According to another embodiment, there is provided an apparatus for link adaptation in a precoded MIMO system.
    • 本发明的实施例涉及在先前MIMO系统中的链路自适应的方法和装置。 根据一个实施例,提供了一种用于预编码MIMO系统中的链路自适应的方法。 该方法包括:接收第一信道质量信息γCQI; 相对于链路中的多个层中的至少一个层r; 获得与HARQ反馈相关联的混合自动重传请求(HARQ)缩放因子μr; 并且基于至少所述HARQ缩放因子μr将所述第一信道质量信息γCQI解释为第二信道质量信息{circumflex over(γ)} r,其中,所述第二信道质量信息{r(r) 多个层中的至少一层r。 根据另一实施例,提供了一种用于预编码MIMO系统中的链路自适应的装置。