公开(公告)号：US10117113B2

公开(公告)日：2018-10-30

申请号：US15105939

申请日：2014-11-20

Applicant: Alcatel Lucent

Inventor： Volker Braun ,  Cornelis Hoek ,  Federico Boccardi ,  Hardy Halbauer ,  Paolo Baracca

IPC: H04L12/50 ,  H04W16/28 ,  H04B7/06 ,  H04B7/08 ,  H04W72/04 ,  H04W74/08

Abstract: Embodiments provide beamforming apparatuses, methods and a computer programs for a base station transceiver and a mobile transceiver. An apparatus (10) operable in a base station transceiver (100) of a mobile communication system comprises a transceiver module (12) comprising interfaces to a plurality (15) of antennas. The transceiver module (12) is operable to subdivide the plurality (15) of antennas in a plurality of subgroups using the interfaces, and to form a first beam pattern (16) using one or more antennas of a subgroup. The apparatus (10) further comprises a control module (14), which is operable to transmit a synchronization signal using the transceiver module (12) and the first beam pattern (16). The control module (14) is further operable to receive a response signal after transmission of the synchronization signal from a mobile transceiver (200) using the transceiver module (12), to determine a second beam pattern (18) based on the response signal from the mobile transceiver (200). The second beam pattern (18) has a higher antenna gain than the first beam pattern (16), and to transmit a signal to the mobile transceiver (200) using the second beam pattern (18) and the transceiver module (12). An apparatus (20) operable in a mobile transceiver (200) of a mobile communication system comprises a transceiver module (22) comprising interfaces to a plurality of antennas (25), and a control module (24) operable to determine a first set of beam patterns (26) based on the plurality of antennas (25), to receive a signal from a base station transceiver (100) using a first beam pattern from the first set of beam patterns (26) using the transceiver module (22). The control module (24) is further operable to determine a second set of beam patterns (28) based on the plurality of antennas (25), the second set of beam patterns (28) comprising more beam patterns than the first set of beam patterns (26), and to transmit a signal to the base station transceiver (100) using a second beam pattern from the set of second beam patterns (28) and using the transceiver module (22).

公开(公告)号：US20160301506A1

公开(公告)日：2016-10-13

申请号：US15033353

申请日：2014-08-29

Applicant: ALCATEL LUCENT

Inventor： Hardy Halbauer ,  Federico Boccardi

IPC: H04L5/00 ,  H04B7/04 ,  H04B7/06

CPC classification number: H04L5/0048 ,  H04B7/0413 ,  H04B7/0617 ,  H04L27/2613

Abstract: The embodiments of the invention relate to a transmitter method for supporting a determination of a set of beamforming weights by a receiver method. The transmitter method contains the steps of allocating a predefined reference signal (REF-SIG-1a, REF-SIG-2a) to at least one group of radio resource units (RRU-G1a, RRU-G2a) of a transmission channel between a first antenna array and a second antenna array,and transmitting said predefined reference signal (REF-SIG-1a, REF-SIG-2a) via the transmission channel from the first antenna array to the second antenna array. The embodiments of the invention further relate to a receiver method for a determination of a set of beamforming weights. The receiver method contains the steps of receiving at a first antenna element of a second antenna array and at least one further antenna element of the second antenna array via a transmission channel from a first antenna array a predefined reference signal (REF-SIG-1a, REF-SIG-2a) allocated to at least one group of radio resource units (RRU-G1a, RRU-G2a) of the transmission channel, determining based on the received predefined reference signal (REF-SIG-1a, REF-SIG-2a) a first channel estimation of the transmission channel for the first antenna element and at least one further channel estimation of the transmission channel for the at least one further antenna element, and determining the set of beamforming weights for a transmission from the second antenna array and/or a reception at the second antenna array based on the first channel estimation and the at least one further channel estimation. The embodiments of the invention even further relate to a transmitter apparatus, a receiver apparatus and a network node, which contains a transmitter apparatus and a receiver apparatus.

Abstract translation: 本发明的实施例涉及一种用于通过接收机方法支持一组波束成形权重的确定的发射机方法。 发射机方法包括以下步骤：将预定参考信号（REF-SIG-1a，REF-SIG-2a）分配给第一和第二传输信道的至少一组无线电资源单元（RRU-G1a，RRU-G2a） 天线阵列和第二天线阵列，并且经由传输信道将所述预定参考信号（REF-SIG-1a，REF-SIG-2a）从第一天线阵列发射到第二天线阵列。 本发明的实施例还涉及用于确定一组波束成形权重的接收机方法。 接收机方法包括以下步骤：经由来自第一天线阵列的传输信道在第一天线阵列的第一天线元件和第二天线阵列的至少一个另外的天线元件接收预定义的参考信号（REF-SIG-1a， REF-SIG-2a），分配给传输信道的至少一组无线资源单元（RRU-G1a，RRU-G2a），根据接收的预定义参考信号（REF-SIG-1a，REF-SIG-2a ）用于第一天线元件的传输信道的第一信道估计和用于至少一个另外的天线元件的传输信道的至少一个另外的信道估计，以及确定来自第二天线阵列的传输的波束成形权重集合，以及 基于第一信道估计和至少一个另外的信道估计在第二天线阵列处的/接收。 本发明的实施例还涉及包含发射机设备和接收机设备的发射机设备，接收机设备和网络节点。

公开(公告)号：US11252000B2

公开(公告)日：2022-02-15

申请号：US16321687

申请日：2017-07-27

Applicant: Alcatel Lucent

Inventor： Hardy Halbauer ,  Mark Doll ,  Stephan Saur ,  Frank Schaich ,  Thorsten Wild

IPC: H04L5/12 ,  H04L27/26 ,  H04J11/00 ,  H04L5/00

Abstract: It is proposed a device to process data to be transmitted via a first radio module of a radio communications network, in which data to be transmitted is mapped on subcarriers and in the radio module subsequently up-converted to a radio frequency higher than the subcarrier frequencies, wherein the subcarriers are grouped into frequency subbands, and wherein at least one subband is scalable with at least one subband parameter, wherein a subband parameter is in particular a subcarrier spacing, and wherein in at least one subband at least two different parameters, in particular subcarrier spacings, can be used.

公开(公告)号：US11064404B2

公开(公告)日：2021-07-13

申请号：US16303325

申请日：2017-05-10

Applicant: Alcatel Lucent

Inventor： Hardy Halbauer ,  Anton Ambrosy ,  Danish Aziz ,  Hajo-Erich Bakker ,  Volker Braun ,  Jens Gebert

IPC: H04W36/00 ,  H04W36/08 ,  H04W36/30

Abstract: A method of wireless data transmission at a first radio access point, including detecting a degradation of a first radio link established for a first frequency band between the first radio access point and a user equipment, and sending, addressed to a network entity, information to trigger a handover or handover decision of the wireless data transmission from the first radio link of the first radio access point operating in the first frequency band to a second radio link of a second radio access point operating in the first frequency band depending on the result of the detection.

公开(公告)号：US20160315680A1

公开(公告)日：2016-10-27

申请号：US15106009

申请日：2014-11-20

Applicant: ALCATEL LUCENT

Inventor： Volker Braun ,  Cornelis Hoek ,  Federico Boccardi ,  Hardy Halbauer ,  Paolo Baracca

IPC: H04B7/06 ,  H04B7/08

CPC classification number: H04B7/0617 ,  H04B7/0695 ,  H04B7/086

Abstract: Embodiments provide an apparatus, a method and a computer program for the transceiver of a mobile communication system. The apparatus (10) is operable in a first transceiver (100) of a mobile communication system. The apparatus (10) comprises a transceiver module (12) comprising interfaces to a plurality of transmit antennas (15). The transceiver module (12) is operable to subdivide the plurality of transmit antennas (15) in a plurality of subgroups using the interfaces, and to form a set of first beam patterns (16) using one or more transmit antennas of a subgroup. The apparatus (10) further comprises a control module (14) operable to determine information related to a quality of a radio link between the first transceiver (100) and the second transceiver (200). The control module (14) is further operable to determine a second beam pattern (18) for communicating with the second transceiver (200) using two or more beam patterns from the set of first beam patterns (16). A number of first beam patterns used to determine the second beam pattern (18) is based on the information related to the quality of the radio link between the first transceiver (100) and the second transceiver (200). The control module (14) is further operable to communicate with the second transceiver (200) using the second beam pattern (18) and the transceiver module (12).

Abstract translation: 实施例提供了一种用于移动通信系统的收发信机的装置，方法和计算机程序。 该装置（10）可在移动通信系统的第一收发器（100）中操作。 装置（10）包括收发器模块（12），其包括与多个发射天线（15）的接口。 收发器模块（12）可操作以使用接口对多个子组中的多个发射天线（15）进行细分，并且使用子组的一个或多个发射天线形成一组第一波束图案（16）。 装置（10）还包括控制模块（14），用于确定与第一收发器（100）和第二收发器（200）之间的无线电链路的质量有关的信息。 控制模块（14）还可操作以确定使用来自所述一组第一光束图案（16）的两个或更多个光束图案来与第二收发器（200）通信的第二光束图案（18）。 用于确定第二波束图案（18）的多个第一波束图案是基于与第一收发器（100）和第二收发器（200）之间的无线电链路的质量相关的信息。 控制模块（14）还可操作以使用第二光束图案（18）和收发器模块（12）与第二收发器（200）进行通信。

公开(公告)号：EP2160056B1

公开(公告)日：2010-10-27

申请号：EP08290806.2

申请日：2008-08-28

Applicant: Alcatel Lucent

Inventor： Mark Doll ,  Hardy Halbauer ,  Bozo, Cesar ,  Chen, Yejian ,  Fetscher, Robert ,  Gloss, Bernd ,  Stanze, Oliver

IPC: H04W24/10 ,  H04B17/00 ,  H04W16/24

CPC classification number: H04W24/10 ,  H04B17/24 ,  H04B17/26 ,  H04B17/309 ,  H04B17/382 ,  H04W24/06

公开(公告)号：EP2160056A1

公开(公告)日：2010-03-03

申请号：EP08290806.2

申请日：2008-08-28

Applicant: Alcatel Lucent

Inventor： Mark Doll ,  Hardy Halbauer ,  Bozo, Cesar ,  Chen, Yejian ,  Fetscher, Robert ,  Gloss, Bernd ,  Stanze, Oliver

IPC: H04W24/10 ,  H04B17/00 ,  H04W16/24

CPC classification number: H04W24/10 ,  H04B17/24 ,  H04B17/26 ,  H04B17/309 ,  H04B17/382 ,  H04W24/06

Abstract: The present invention relates to measurement in radio communication systems. In particular, the present invention relates to a sounding method in a cellular wireless communication system, the communication system itself and its components like base stations and mobile stations. The radio communication system (1) comprises at least one mobile station (2) and at least two base stations (3, 4). One of said base stations is a serving base station (3) for the mobile station (2) and the at least one further base station is a neighboring base station (4) of the serving base station (3). The serving base station (3) is adapted to generate a schedule for measurement signals and to transmit said schedule to the mobile station (2) and to the neighboring base station (4). The mobile station (2) is adapted to transmit measurement signals in accordance with said schedule to the serving base station (3) and to the neighboring base station (4). Furthermore, the neighboring base station (4) is adapted to calculate a mean channel state for the uplink channel from the mobile station (2) to itself (4) and to transmit said mean channel state to at least one further base station of the radio communication system (1), so that said base station can be provided with channel estimations for uplink channels between the mobile station (2) and all base stations within a certain area surrounding itself.

Abstract translation: 本发明涉及无线电通信系统中的测量。 特别地，本发明涉及蜂窝无线通信系统中的探测方法，通信系统本身及其组件如基站和移动台。 无线电通信系统（1）包括至少一个移动台（2）和至少两个基站（3,4）。 所述基站中的一个是用于移动台（2）的服务基站（3），并且至少一个另外的基站是服务基站（3）的相邻基站（4）。 服务基站（3）适于生成用于测量信号的调度并且将所述调度发送到移动台（2）和相邻基站（4）。 移动台（2）适合于根据所述调度向服务基站（3）和相邻基站（4）发送测量信号。 此外，相邻基站（4）适于计算从移动台（2）到其自身（4）的上行链路信道的平均信道状态，并将所述平均信道状态发送到无线电的至少一个另外的基站 通信系统（1），使得所述基站可以被提供用于移动台（2）与其周围的特定区域内的所有基站之间的上行链路信道的信道估计。