Apple Inc.

Airspan IP Holdco LLC

Mimosa Networks, Inc.

Other

Syed Aon Mujtaba

Tarik Tabet

Xiaowen Wang

Vinay R Majjigi

Kee-Bong Song

Joonsuk Kim

Wen Zhao

Christian W Mucke

Youngjae Kim

Yuchul Kim

Farouk Belghoul

Paul V Flynn

Christiaan A Hartman

Awais M Hussain

Yong Liu

Moustafa M Elsayed

Guoqing Li

Lydi Smaini

Navid Damji

Samy Khay-Ibbat

Chiu Ngok E Wong

Sarma V Vangala

Johnson O Sebeni

Su Khiong Yong

Isabel Mahe

Rafael L Rivera-Barreto

Sreevalsan Vallath

Brian L Hinman

William Burchill

Dawei Zhang

John R Sanford

Matthew L Semersky

Carlos Ramos

Jianxiong Shi

Ajoy K Singh

Matthias Sauer

Justin Lee

Madhusudan Chaudhary

Sriram Hariharan

Swaminathan Balakrishnan

Ronald William Dimpflmaier

Karthik Anantharaman

Bernd W Adler

David Boettger

Young Jae Kim

Konstantinos Sarrigeorgidis

Faraz Faheem

Weiping Dou

Robert William Mayor

Sree Ram Kodali

Christopher J Hansen

Zhu Ji

Jarkko L Kneckt

Venkateswara Rao Manepalli

Thanigaivelu Elangovan

Oren Shani

Glenn Donald MacGougan

Tahir Shamim

Ming Hu

Kumar Gaurav Chhokra

Dennis Mathews

Seyed Reza Mir Ghaderi

Romain Trilling

Li Su

Arun Godfrey Mathias

Michael Jason Giles

Camille Chen

Craig P Dooley

Haining Zhang

Bharath Narasimha Rao

Langford M Wasada

Akshay Mangalam Srivatsa

Shu Du

Siegfried Lehmann

Anjali S Sandesara

Ye Sun

Paul Eberhardt

Santhanakrishnan Geeyarpuramnadathur

Alessio Centazzo

Matt Semersky

Donald Eng

William S Burchill

Karthik Anatharaman

A user equipment (UE) device may communicate according to a new device category satisfying specified QoS (quality of service) requirements while also satisfying specified link budget requirements, and/or additional optimization requirements. The UE device may communicate with a cellular base station according to a first mode of operation associated with the new device category, and may switch to communicating with the cellular base station according to a second mode of operation associated with a second (pre-existing) device category in response to the link budget requirements exceeding a specified value and the quality of service requirements not being sensitive. The UE device may also switch to communicating with the cellular base station according to a third mode of operation associated with a third (pre-existing) device type in response to the link budget requirement not exceeding the specified value, or the QoS requirements being sensitive and a downlink throughput requirement exceeding a specified throughput value.

Device category in 3GPP communications

Omni-directional orthogonally-polarized antenna system for MIMO applications are disclosed herein. An example antenna system comprises two arrays of horizontally polarized radiating elements, and two arrays of vertically polarized radiating elements, each array having roughly 180-degree radiation pattern, disposed about a central axis in a common horizontal plane, arrays of common polarization separated by 180-degrees. Also, the example antenna system includes at least one printed circuit board having a saw tooth pattern, wherein uniform coverage in both vertical and horizontal polarization over 360 degrees is provided using beamforming and polarization diversity.

Orthogonally-polarized antenna system and device for MIMO applications

Mobile devices, base stations, and/or relay stations may implement a method for an improved and reliable automatic repeat request feedback indication. A mobile device (UE) may establish communication within a wireless network, and indicate to the network that the UE is a special type device, e.g. a constrained device. The network (base station) may then not send an indication on a physical indicator channel to the UE when certain conditions are met, and instead, the mobile device may interpret control information received from the network on a physical control channel as a negative acknowledgment indication corresponding to an automatic repeat request from the network. The UE may then perform a retransmission according to the interpreted control information. A new control information format may be used to further define how the network and UE implement the automatic repeat request process, to reduce the total number of bits required in the control information.

Enhanced LTE UL HARQ feedback indication for power saving and range improvement

This disclosure relates to providing system information for cell access to link budget limited devices. According to some embodiments, a base station may transmit an announcement information block (MB) in a downlink shared data channel (e.g., PDSCH), wherein the AIB contains information useable by a UE in determining the location of system information in the downlink shared data channel. The UE can thus determine the location of and decode system information without having to decode a downlink control channel (e.g., PDCCH). This may be important for certain classes of devices, such as link budget limited devices, which have issues in decoding the downlink control channel. Improved paging scheduling techniques are also disclosed which more efficiently use PDCCH paging resources.

Non-PDCCH signaling of SIB resource assignment

Omni-directional orthogonally-polarized antenna system for MIMO applications are disclosed herein. An example antenna system can have two arrays of horizontally polarized radiating elements, and two arrays of vertically polarized radiating elements, each array having roughly 180-degree radiation pattern, disposed about a central axis in a common horizontal plane, arrays of common polarization separated by 180-degrees, such that MIMO processing of signals to the arrays of common polarization results in a radiation pattern that is substantially constant over 360-degrees in azimuth.

Omni-directional antenna system and device for MIMO applications

A user equipment (UE) and base station may implement improved communication methods which enable a UE that is peak current limited to perform UL transmissions which are consistent with the UL timeline. A UE that is peak current limited may utilize a new form of distributed TTI (transmit time interval) bundling for improved uplink communication performance. In performing 'distributed' TTI bundling, the UE may transmit a plurality of redundancy versions of first information to the base station, wherein the plurality of redundancy versions are transmitted in non-consecutive sub-frames with a periodicity of X ms. After the plurality of redundancy versions of first information are transmitted to the base station, the base station may provide a single acknowledge/negative acknowledge (ACK/NACK) to the UE. A method for dynamically generating and using a bundle size for TTI bundling is also disclosed.

Radio access technology with non-continuous and periodic PUSCH transmission

Omni-directional orthogonally-polarized antenna system for MIMO applications

This disclosure relates to techniques for a link budget limited UE to improve communications performance with a cellular network. The UE may perform signal to interference noise ratio (SINR) measurements and use these measurements to adjust a received signal power value that is provided to the cellular network as a received signal power measurement. The UE may generate the received signal power value based at least in part on the SINR measurement in order to reduce the likelihood of handover when the UE has good SINR but poor received signal power. The UE may also provide preferred configuration information to the base station which enhances the performance of the UE when link budget limited. The configuration information may specify one or more parameter values designed to provide improved performance for a link budget limited device.

Packet-switched wireless communication for link budget limited wireless devices

Sector antenna arrays and methods of use that provide high main-lobe gain and high side-lobe rejection over a wide range of operating frequencies are provided herein. The example sector antennas provide these outstanding performance and reliability features due to (1) a cross-section profile for the ground plane, (2) a corporate feed for the linear array of patch antennas, and (3) an optimized sub-assembly of parasitic elements for high bandwidth operation with low return-loss.

Sector antenna systems and methods for providing high gain and high side-lobe rejection

Enhanced random access procedures for link-budget-limited user equipment (UE) devices are disclosed. A user equipment device may transmit a first message containing a Physical Random Access Channel (PRACH). The PRACH contains instances of a Zadoff-Chu sequence, and may be transmitted repeatedly as part of a single random attempt, to facilitate correlation data combining at the base station. The available Zadoff-Chu sequences may be partitioned among a plurality of sets, each set being associated with a respective Doppler shift range (or frequency hop pattern or time repetition pattern). A UE device may signal Doppler shift (or other information) to the base station by selection of one of the sets. The first PRACH transmission and the following PRACH transmission may occur in consecutive subframes. A UE device may select from a special set of Zadoff-Chu sequences (different from a conventional set of sequences), to signal its status as a link-budget-limited device.

Mechanisms for enhanced transmission and reception of physical random access channel

A user equipment (UE) and network entity implement improved communication methods which enable a UE to operate using differing modes of operation without detaching from a network. The UE may send first information indicating its capabilities to the network entity and may receive a first indication based on the first information. The first indication may indicate that the UE operate according to a first mode of operation. The UE may receive a second indication based on an occurrence of a first condition detectable at the network entity. The second indication may indicate that the UE operate according to a second mode of operation different from the first mode of operation. The first condition may be an initialization of a real time data packet session for the UE or may be a first message sent by the UE in response to one or more radio conditions exceeding a threshold.

Adaptive half duplex / full duplex operation for battery and antenna constrained devices

Growing community of inventors

Santa Clara, CA, United States of America

Syed Aon Mujtaba