公开(公告)号：US10423558B1

公开(公告)日：2019-09-24

申请号：US16058433

申请日：2018-08-08

申请人： Apple Inc.

发明人： Shawn Munetoshi Fukami ,  Yiu Chun Tse ,  David L. Trawick ,  Hengsheng Geng ,  Jaideep Dastidar ,  Vinodh R. Cuppu ,  Deniz Balkan

IPC分类号： G06F3/06 ,  G06F13/40 ,  G06F13/16 ,  G06F13/362 ,  G06F9/54 ,  G06F13/18

摘要： A system and method for efficiently routing data in a communication fabric. A computing system includes a fabric for routing data among one or more agents and a memory controller for system memory. The fabric includes multiple hierarchical clusters with a split topology where the data links are physically separated from the control links. A given cluster receives a write command and associated write data, and stores them in respective buffers. The given cluster marks the write command as a candidate to be issued to the memory controller when it is determined the write data will arrive ahead of the write command at the memory controller after being issued. The given cluster prevents the write command from becoming a candidate to be issued when it is determined the write data may not arrive ahead of the write command at the memory controller.

公开(公告)号：US10419912B2

公开(公告)日：2019-09-17

申请号：US15911644

申请日：2018-03-05

申请人： Apple Inc.

发明人： Akshay Mangalam Srivatsa ,  Craig P. Dooley ,  David John Shaw ,  Ganesha Adkasthala Ganapathi Batta ,  Michael Jason Giles ,  Sriram Hariharan

IPC分类号： H04W76/10 ,  H04B7/185 ,  H04W4/80 ,  H04M1/725 ,  H04W4/08 ,  H04W12/04 ,  H04L29/08 ,  H04W76/14 ,  H04W12/00 ,  H04W84/18

摘要： A first wireless communication device (UE device) associated with a certain user (or included in a specified set/group of UE devices) may establish a first communication link with an accessory device according to a short-range radio access technology, and transmit link (pairing) information associated with the first communication link to a server, such as a cloud-based server. The server may share this (first) link information with other UE devices associated with the same user (or belonging to the same specified group of UE devices as the first UE device). Link information associated with the other UE devices (i.e. second link information) may equally be shared with the accessory device, and the other UE devices and accessory device may use the first link information and second link information in establishing respective communication links between any of the other UE devices and the accessory device without having to undergo a pairing procedure.

公开(公告)号：US10412591B2

公开(公告)日：2019-09-10

申请号：US14795104

申请日：2015-07-09

申请人： Apple Inc.

发明人： Li Su ,  Jianxiong Shi ,  Johnson O. Sebeni

IPC分类号： H04W4/16 ,  H04L29/06 ,  H04W16/14 ,  H04W72/10 ,  H04W76/16 ,  H04W88/06 ,  H04B1/3816

摘要： A user equipment (UE) device may perform uplink (UL) data communication using a first radio access technology (RAT) while performing an UL voice call communication using a second RAT. The UL data communication may be supported by a first subscriber identity module (SIM) and the UL packet switched voice call communication may be supported by a second SIM. The UL voice call communication may be a packet switched communication. The communications may be performed by a radio(s) of the UE. The radio(s) may include shared physical layer resources that are shared between the UL data and UL voice communications. The UE may also include a single transmitter that may be shared between the UL data and UL packet voice communications and the UL data communication may use a first portion of the single transmitter's TTI and the UL voice communication may use a second portion of the single transmitter's TTI.

公开(公告)号：US10397119B2

公开(公告)日：2019-08-27

申请号：US16147913

申请日：2018-10-01

申请人： Apple Inc.

发明人： Sree Ram Kodali ,  Shivesh Makharia ,  Longda Xing ,  Li Su

IPC分类号： H04L12/853 ,  H04L1/18 ,  H04L29/06 ,  H04W28/02 ,  H04W72/12

摘要： This disclosure relates to techniques for handling voice and data under uplink limited conditions in a wireless communication system. A wireless device and a base station may establish a wireless communication link. Transmission time interval bundling (TTI-B) may be enabled for uplink communications between the wireless device and the base station. It may be determined that the wireless device is experiencing uplink limited conditions. One or more rules prioritizing a first type of data over a second type of data for uplink communications may be enabled based on TTI-B being enabled and the wireless device experiencing uplink limited conditions.

公开(公告)号：US10341957B2

公开(公告)日：2019-07-02

申请号：US16241107

申请日：2019-01-07

申请人： Apple Inc.

发明人： Sunny Arora ,  Rati Agrawal ,  Sami M. Almalfouh ,  Xiantao Sun ,  Johnson O. Sebeni ,  Wael S. Barakat ,  Navid Damji ,  Srinivas Pasupuleti ,  Raghuveer Mallikarjunan

IPC分类号： H04W52/02 ,  H04W72/04 ,  H04W88/02

摘要： This disclosure relates to techniques for estimating baseband power consumption and using the baseband power consumption estimation to select baseband operation features. According to some embodiments, one or more baseband power consumption modifiers occurring during an estimation window may be identified. Baseband power consumption of the wireless device during the estimation window may be estimated based on the identified baseband power consumption modifiers occurring during the estimation window. Baseband data throughput of the wireless device during the estimation window may also be estimated. One or more baseband operation characteristics may be selected based at least in part on the estimated baseband power consumption during the estimation window, possibly in conjunction with the estimated baseband data throughput during the estimation window, current wireless medium conditions, and/or other considerations.

公开(公告)号：US10341956B2

公开(公告)日：2019-07-02

申请号：US16119801

申请日：2018-08-31

申请人： Apple Inc.

发明人： Tianyan Pu ,  Sai Sravan Bharadwaj Karri ,  Wei Zhang ,  Swaminathan Balakrishnan ,  Xiantao Sun ,  Beibei Wang ,  Manish G. Vemulapalli ,  Jia Tang ,  Sami M. Almalfouh ,  Zhu Ji ,  Sachin J. Sane

IPC分类号： H04W52/02 ,  H04B7/0456 ,  H04W88/06

摘要： This disclosure relates to techniques for opportunistically depowering receiver chains of a wireless device. Based on control information, a device may determine whether the current number of active receiver chains can be reduced while maintaining a target achievable code rate for a period of data reception associated with the control information. Additionally, the device may generate and use a lookup table to determine whether to depower receiver chains, and which receiver chains to depower.

公开(公告)号：US10341081B2

公开(公告)日：2019-07-02

申请号：US15495010

申请日：2017-04-24

申请人： Apple Inc.

发明人： Li Su ,  William J. Noellert

IPC分类号： H04L5/16 ,  H04B17/309 ,  H04W72/04 ,  H04L5/14 ,  H04B1/3827

摘要： A user equipment (UE) comprises a radio having TX and RX paths that include a duplexer, thus facilitating a full-duplex mode. The radio may also have TX and RX paths that exclude the duplexer, and which thus facilitate a half-duplex mode. The UE may be configured to autonomously and opportunistically switch from the full-duplex mode (the paths that include the duplexer) to the half-duplex mode (the paths that exclude the duplexer) when the UE desires to avoid the path loss caused by the duplexer, e.g., to temporarily receive with greater sensitivity and/or transmit with more power, during poor channel conditions. At other times the UE may autonomously decide to remain in full-duplex mode to achieve reduced transmission time, e.g., during time-critical communications such as VoLTE. The UE may autonomously determine whether to use full or half-duplex mode, i.e., without requiring any coordination with network-side devices.

公开(公告)号：US10339068B2

公开(公告)日：2019-07-02

申请号：US15495707

申请日：2017-04-24

申请人： Advanced Mirco Devices, Inc. ,  ATI Technologies ULC

发明人： Wade K. Smith ,  Anthony Asaro

IPC分类号： G06F12/1045 ,  G06F12/1027 ,  G06F12/1009

摘要： Systems, apparatuses, and methods for implementing a virtualized translation lookaside buffer (TLB) are disclosed herein. In one embodiment, a system includes at least an execution unit and a first TLB. The system supports the execution of a plurality of virtual machines in a virtualization environment. The system detects a translation request generated by a first virtual machine with a first virtual memory identifier (VMID). The translation request is conveyed from the execution unit to the first TLB. The first TLB performs a lookup of its cache using at least a portion of a first virtual address and the first VMID. If the lookup misses in the cache, the first TLB allocates an entry which is addressable by the first virtual address and the first VMID, and the first TLB sends the translation request with the first VMID to a second TLB.

公开(公告)号：US10303472B2

公开(公告)日：2019-05-28

申请号：US15359236

申请日：2016-11-22

申请人： Advanced Micro Devices, Inc.

发明人： Daniel I. Lowell ,  Manish Gupta

IPC分类号： G06F9/30 ,  G06F9/48 ,  G06F9/46 ,  G06F9/38 ,  G06F11/00

摘要： Systems, apparatuses, and methods for implementing bufferless communication for redundant multithreading applications using register permutation are disclosed. In one embodiment, a system includes a parallel processing unit, a register file, and a scheduler. The scheduler is configured to cause execution of a plurality of threads to be performed in lockstep on the parallel processing unit. The plurality of threads include a first thread and a second thread executing on adjacent first and second lanes, respectively, of the parallel processing unit. The second thread is configured to perform a register permute operation from a first register location to a second register location in a first instruction cycle, with the second register location associated with the second processing lane. The second thread is configured to read from the second register location in a second instruction cycle, wherein the first and second instruction cycles are successive instruction cycles.

公开(公告)号：US10296230B1

公开(公告)日：2019-05-21

申请号：US15853090

申请日：2017-12-22

申请人： Advanced Micro Devices, Inc.

发明人： Kedarnath Balakrishnan ,  James Raymond Magro

IPC分类号： G06F12/00 ,  G06F3/06 ,  G11C7/22 ,  G06F13/16

摘要： Systems, apparatuses, and methods for performing scheduling memory requests for issue to two different memory types are disclosed. A computing system includes one or more clients for processing applications. A heterogeneous memory channel within a memory controller transfers memory traffic between the memory controller and a memory bus connected to each of a first memory and a second memory different from the first memory. The memory controller determines a next given point in time that does not already have read response data scheduled to be driven on the memory bus. The memory controller determines whether there is time to schedule a first memory access command for accessing the first memory and a second memory access command for accessing the second memory. If there is sufficient time for each, then one of the access commands is selected based on weighted criteria.