公开(公告)号：US20160043757A1

公开(公告)日：2016-02-11

申请号：US14920455

申请日：2015-10-22

Applicant: Broadcom Corporation

Inventor： Ahmadreza ROFOUGARAN ,  Hooman DARABI ,  David MURPHY

IPC: H04B1/10

CPC classification number: H04B1/1036 ,  H04B1/10

Abstract: Because of associated disadvantages of narrow-band off-chip radio-frequency (RF) filtering, a mixer-first receiver front-end designed to tolerate blockers with minimal gain compression and noise factor degradation is disclosed. The mixer-first receiver front-end includes two separate down-conversion paths that help to minimize added noise and voltage gain prior to baseband filtering, which are critical factors in eliminating narrow-band off-chip RF filtering.

Abstract translation: 由于窄带片外射频（RF）滤波的相关缺点，公开了设计用于容忍具有最小增益压缩和噪声因子降级的阻塞器的混频器优先接收机前端。 混频器第一接收机前端包括两个单独的下变频路径，有助于在基带滤波之前最大限度地减少附加噪声和电压增益，这是消除窄带片外RF滤波的关键因素。

公开(公告)号：US20150181542A1

公开(公告)日：2015-06-25

申请号：US14638383

申请日：2015-03-04

Applicant: BROADCOM CORPORATION

Inventor： Ahmadreza ROFOUGARAN ,  Maryam ROFOUGARAN

IPC: H04W52/42 ,  H04L27/20 ,  H04B7/04

CPC classification number: H04W52/42 ,  H03C5/00 ,  H04B7/0413 ,  H04L1/06 ,  H04L27/206 ,  H04L27/361

Abstract: Aspects of a method and system for power supply adjustment and polar modulation in a MIMO system are provided. In each RF transmit chain of a MIMO system that utilizes polar modulation, aspects of the invention may enable generating a signal representative of an amplitude of a pair of phase-quadrature baseband signals; and controlling a voltage and/or current regulator utilizing said generated signal. In this regard, a voltage and/or current supplied to a power amplifier and/or mixer of one or more of the transmit chains may be controlled based on the generated signal. Additionally, a gain of a power amplifier for each RF transmit chain may be controlled utilizing said signal representative of an amplitude. The signal representative of an amplitude may be generated by squaring each of the phase-quadrature baseband signals and calculating a square root of a sum of the squared signals.

Abstract translation: 提供了一种用于MIMO系统中的电源调整和极性调制的方法和系统的方面。 在利用极性调制的MIMO系统的每个RF发射链中，本发明的各方面可以使得能够产生表示一对相位正交基带信号的振幅的信号; 以及利用所述产生的信号来控制电压和/或电流调节器。 在这点上，可以基于产生的信号来控制提供给发射链中的一个或多个的功率放大器和/或混频器的电压和/或电流。 此外，可以利用表示幅度的所述信号来控制每个RF发射链的功率放大器的增益。 表示振幅的信号可以通过对每个相位正交基带信号进行平方并且计算平方信号的和的平方根来生成。

公开(公告)号：US20150145737A1

公开(公告)日：2015-05-28

申请号：US14613982

申请日：2015-02-04

Applicant: Broadcom Corporation

Inventor： Farid SHIRINFAR ,  Maryam ROFOUGARAN ,  Ahmadreza ROFOUGARAN

IPC: H01Q3/00

CPC classification number: H01Q3/00 ,  H01Q1/2283 ,  H01Q15/006 ,  H04B1/00 ,  H04B15/00

Abstract: A transmitter front-end for wireless chip-to-chip communication, and for other, longer-range (e.g., several meters or several tens of meters) device-to-device communication is disclosed. The transmitter front-end can include a plurality of reflector power amplifiers implemented on an IC chip and an on-chip or on-package antenna for wireless transmitting a signal to another IC chip or device. The plurality of reflector power amplifiers can reflect the radiation of the on-chip or on-package antenna in a particular pattern such that the effective radiation pattern is reinforced in a desired direction and suppressed in an undesired direction. This helps to reduce the required output power of the transmitter front-end and mitigate interference with other potential wireless chip-to-chip or longer-range communications.

Abstract translation: 公开了用于无线芯片到芯片通信的发射机前端，以及用于其他更长距离（例如，几米或几十米）设备到设备通信的发射机前端。 发射机前端可以包括实现在IC芯片上的多个反射器功率放大器和用于将信号无线发射到另一个IC芯片或设备的片上或封装天线。 多个反射器功率放大器可以以特定图案反映片上或封装内天线的辐射，使得有效辐射图案在期望的方向上被加强并且在不期望的方向上被抑制。 这有助于减少发射机前端的所需输出功率，并减轻与其他潜在的无线芯片到芯片或更远距离通信的干扰。

公开(公告)号：US20160286458A1

公开(公告)日：2016-09-29

申请号：US14665770

申请日：2015-03-23

Applicant: Broadcom Corporation

Inventor： Ahmadreza ROFOUGARAN ,  Maryam Rofougaran

IPC: H04W40/22 ,  H04W72/04 ,  H04L12/24 ,  H04W4/00

Abstract: A plurality of repeater devices, each of which may enable forwarding extreme high frequency (EHF) communication between EHF-enabled wireless devices, may form a repeater mesh network. Some or all of the plurality of repeater devices may utilize non-extremely high frequency (non-EHF) control connection in communicating with other repeater devices in the repeater mesh network. The non-EHF control connections may be utilized in establishing, configuring, and/or managing the repeater mesh network. The non-EHF control connections may be also be utilized to enable sending, requesting, and/or receiving periodic and/or dynamic control information. The non-EHF control connections may also be utilized while forming, and/or managing forwarding routes of EHF communication via the repeater mesh network, to enable negotiating and/or setting different isolation techniques among the repeater devices, such as polarization isolation, spatial isolation, and/or use of different frequencies.

公开(公告)号：US20150017938A1

公开(公告)日：2015-01-15

申请号：US14500959

申请日：2014-09-29

Applicant: BROADCOM CORPORATION

Inventor： Ahmadreza ROFOUGARAN

IPC: H04W52/02 ,  H04W24/02

CPC classification number: H04W52/0238 ,  H04B1/0028 ,  H04B1/40 ,  H04W24/02 ,  Y02D70/40

Abstract: A configurable transceiver may include a configurable receiver, a configurable transmitter, and a digital signal processor (DSP). One or more components of the configurable receiver and/or the configurable transmitter may be a block that includes an array of components, such as an array of amplifiers, an array of filters, etc. The DSP may determine a configuration of the configurable receiver that satisfies a bit error rate threshold and minimizes power consumption. The DSP may configure the blocks of the configurable receiver in accordance with the determined configuration of the configurable receiver. The DSP may receive an indication of a modulation scheme being used for transmitted data and may determine a configuration of the configurable transmitter for the modulation scheme that satisfies an error vector magnitude threshold and minimizes power consumption. The DSP may configure the blocks of the configurable transmitter in accordance with the determined configuration of the configurable transmitter.

Abstract translation: 可配置收发器可以包括可配置接收器，可配置发射器和数字信号处理器（DSP）。 可配置接收器和/或可配置发射器的一个或多个组件可以是包括诸如放大器阵列，滤波器阵列等的组件阵列的块.DSP可以确定可配置接收器的配置， 满足误码率阈值并最大限度地降低功耗。 DSP可以根据所确定的可配置接收器的配置来配置可配置接收器的块。 DSP可以接收用于发射数据的调制方案的指示，并且可以确定用于调制方案的可配置发射机的配置，该配置发射机满足误差矢量幅度阈值并使功耗最小化。 DSP可以根据可配置发射机的确定配置来配置可配置发射机的块。

公开(公告)号：US20140152376A1

公开(公告)日：2014-06-05

申请号：US13716013

申请日：2012-12-14

Applicant: BROADCOM CORPORATION

Inventor： Ahmadreza ROFOUGARAN

IPC: H02J1/00

CPC classification number: H01J1/00 ,  H01F38/14 ,  H01L23/48 ,  H01L23/5227 ,  H01L23/5286 ,  H01L23/5382 ,  H01L23/58 ,  H01L23/645 ,  H01L25/0655 ,  H01L2924/0002 ,  H02J1/00 ,  H02J5/00 ,  H02J5/005 ,  H05K1/0262 ,  H01L2924/0001 ,  H01L2924/00

Abstract: Systems and methods for distributing power to a plurality of integrated circuit dies are provided. In some aspects, a system includes a substrate and a plurality of integrated circuit dies disposed on the substrate. Each of the plurality of integrated circuit dies includes a circuit and a target inductive element coupled to the circuit. The system also includes a power supply module configured to generate a source power signal. The system also includes at least one source inductive element configured to electromagnetically couple the source power signal to one or more of the plurality of the target inductive elements to generate one or more target power signals that supply power to one or more corresponding circuits.

Abstract translation: 提供了将功率分配给多个集成电路管芯的系统和方法。 在一些方面，系统包括衬底和设置在衬底上的多个集成电路管芯。 多个集成电路管芯中的每一个包括耦合到电路的电路和目标感应元件。 该系统还包括被配置为产生源功率信号的电源模块。 该系统还包括至少一个源电感元件，其被配置为将源功率信号电磁耦合到多个目标感应元件中的一个或多个，以产生向一个或多个相应电路供电的一个或多个目标功率信号。

公开(公告)号：US20130191567A1

公开(公告)日：2013-07-25

申请号：US13793719

申请日：2013-03-11

Applicant: Broadcom Corporation

Inventor： Ahmadreza ROFOUGARAN ,  Arya Reza Behzad ,  Sam Ziqun Zhao ,  Jesus Alfonso Castaneda ,  Michael Boers

IPC: G06F13/42

CPC classification number: G06F9/50 ,  H04B5/0037 ,  H04B7/10 ,  H04B7/26 ,  H04W4/80 ,  H04W84/18 ,  Y10T307/492

Abstract: Embodiments of the present invention are directed to a wire-free data center/server. The data center/server is wire-free in the sense that communication within a data unit of the data center/server (i.e., intra-data unit), between data units of the data center/server (inter-data unit), and between the data units and the backplane of the data center/server is performed wirelessly.

Abstract translation: 本发明的实施例涉及一种无线数据中心/服务器。 在数据中心/服务器（数据单元）的数据单元之间，数据中心/服务器（数据间单元）的数据单元和数据中心/服务器的数据单元（即，数据内单元）内的通信和数据中心/服务器 在数据单元和数据中心/服务器的背板之间进行无线通信。

公开(公告)号：US20150248964A1

公开(公告)日：2015-09-03

申请号：US14699944

申请日：2015-04-29

Applicant: BROADCOM CORPORATION

Inventor： Sayedfarid SHIRINFAR ,  Ehsan ADABI FIROUZJAEI ,  Tirdad SOWLATI ,  Ahmadreza ROFOUGARAN

IPC: H01F27/28 ,  H03F3/45 ,  H01F41/02 ,  H03F3/19

CPC classification number: H01F27/2823 ,  H01F27/28 ,  H01F41/02 ,  H01F41/10 ,  H03F3/19 ,  H03F3/195 ,  H03F3/245 ,  H03F3/45076 ,  H03F3/45179 ,  H03F3/68 ,  H03F2200/405 ,  H03F2200/411 ,  H03F2200/451 ,  H03F2200/534 ,  H03F2200/537 ,  H03F2200/541 ,  H03F2203/45172 ,  H03F2203/45228 ,  H03F2203/45394 ,  Y10T29/4902

Abstract: A transformer includes multiple differential ports and first and second transformer windings. The first transformer winding includes a first transformer half-winding coupled to a first differential port of the differential ports. The first transformer winding also includes a second transformer half-winding coupled to a second differential port of the differential ports. An amplifier system that has a transformer is also provided. The amplifier system includes a first and a second stage amplifier. The first stage amplifier includes a first and a second amplifier. The second stage amplifier includes a third and a fourth amplifier. The transformer is coupled between the first stage amplifier and the second stage amplifier, where the transformer has a primary loop and a secondary loop. The primary loop of the transformer may be configured to receive differential signals of the first amplifier. A method for fabricating a transformer is also provided.

Abstract translation: 变压器包括多个差分端口和第一和第二变压器绕组。 第一变压器绕组包括耦合到差分端口的第一差分端口的第一变压器半绕组。 第一变压器绕组还包括耦合到差分端口的第二差分端口的第二变压器半绕组。 还提供了具有变压器的放大器系统。 放大器系统包括第一和第二级放大器。 第一级放大器包括第一和第二放大器。 第二级放大器包括第三和第四放大器。 变压器耦合在第一级放大器和第二级放大器之间，其中变压器具有主回路和次级回路。 变压器的主回路可以被配置为接收第一放大器的差分信号。 还提供了一种用于制造变压器的方法。

公开(公告)号：US20150193642A1

公开(公告)日：2015-07-09

申请号：US14661322

申请日：2015-03-18

Applicant: Broadcom Corporation

Inventor： Ahmadreza ROFOUGARAN ,  Maryam ROFOUGARAN

IPC: G06K7/10

CPC classification number: G01S13/06 ,  G06K7/10316 ,  H01L2224/16225 ,  H01L2224/32225 ,  H01L2224/73204 ,  H01Q1/2283 ,  H01Q13/20 ,  H01Q13/22 ,  H01Q15/006 ,  H01Q15/0066 ,  H01Q15/23 ,  H01Q19/06 ,  H04B1/04 ,  H04B1/0458 ,  H04B5/0031 ,  H04B7/24 ,  Y10T307/25 ,  H01L2924/00

Abstract: A Method and system for a RFID transponder with configurable feed point for RFID communications is provided. In this regard, an RFID transponder may receive RF signals via a leaky wave antenna and modulate an amplitude of a backscattered signal associated with the received RF signals by switching between a plurality of feed points of the leaky wave antenna to vary an input impedance of said RFID transponder. Each of the plurality of feed points may be located in a different position in the resonant cavity of the leaky wave antenna. The input impedance may be controlled by switching a load in and out of a receive path of the RFID transponder. The leaky wave antenna may be integrated within and/or on an integrated circuit, an integrated circuit package, or a combination thereof.

Abstract translation: 提供了一种具有用于RFID通信的可配置馈电点的RFID应答器的方法和系统。 在这方面，RFID应答器可以经由泄漏波天线接收RF信号，并通过在漏波天线的多个馈送点之间切换来调制与所接收的RF信号相关联的反向散射信号的振幅，以改变所述 RFID应答器。 多个馈送点中的每一个可以位于泄漏波天线的谐振腔中的不同位置。 可以通过切换RFID应答器的接收路径中的负载来控制输入阻抗。 泄漏波天线可以集成在集成电路，集成电路封装或其组合中和/或内部。

公开(公告)号：US20140306755A1

公开(公告)日：2014-10-16

申请号：US13895254

申请日：2013-05-15

Applicant: Broadcom Corporation

Inventor： Sayedfarid SHIRINFAR ,  Ehsan ADABI FIROUZJAEI ,  Tirdad SOWLATI ,  Ahmadreza ROFOUGARAN

IPC: H01F27/28 ,  H01F41/10 ,  H03F3/26

CPC classification number: H01F27/2823 ,  H01F27/28 ,  H01F41/02 ,  H01F41/10 ,  H03F3/19 ,  H03F3/195 ,  H03F3/245 ,  H03F3/45076 ,  H03F3/45179 ,  H03F3/68 ,  H03F2200/405 ,  H03F2200/411 ,  H03F2200/451 ,  H03F2200/534 ,  H03F2200/537 ,  H03F2200/541 ,  H03F2203/45172 ,  H03F2203/45228 ,  H03F2203/45394 ,  Y10T29/4902

Abstract: A transformer has first and second transformer windings including multiple differential ports. Each of the first and second transformer windings include a first transformer half-winding coupled to a first differential port of the differential ports. Each of the first and second transformer windings also include a second transformer half-winding coupled to a second differential port of the differential ports. Each of the first and second transformer windings is divided symmetrically at a common node to form the respective first and second transformer half-windings. The first transformer half-winding is configured to form one half of an inductance in each of the first and second transformer windings. The second transformer half-winding is configured to form another half of the inductance in each of the first and second transformer windings. The common node of the first transformer winding is configured to receive a supply voltage.

Abstract translation: 变压器具有包括多个差分端口的第一和第二变压器绕组。 第一和第二变压器绕组中的每一个包括耦合到差分端口的第一差分端口的第一变压器半绕组。 第一和第二变压器绕组中的每一个还包括耦合到差分端口的第二差分端口的第二变压器半绕组。 第一和第二变压器绕组中的每一个在公共节点处对称分开以形成相应的第一和第二变压器半绕组。 第一变压器半绕组被配置为在第一和第二变压器绕组中的每一个中形成电感的一半。 第二变压器半绕组构造成在第一和第二变压器绕组中的每一个中形成电感的另一半。 第一变压器绕组的公共节点被配置为接收电源电压。