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Scheduling of downlink transmissions for user equipment supporting device-to-device communication

A user equipment and application technology, applied in wireless communication, duplex signal operation, connection management, etc.

Active Publication Date: 2020-04-28
MICROSOFT TECH LICENSING LLC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, assuming D2D transmission / reception is not using full duplex on a given carrier

Method used

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  • Scheduling of downlink transmissions for user equipment supporting device-to-device communication
  • Scheduling of downlink transmissions for user equipment supporting device-to-device communication
  • Scheduling of downlink transmissions for user equipment supporting device-to-device communication

Examples

Experimental program
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Embodiment Construction

[0013] The principles of the subject matter described herein will now be described with reference to a number of example embodiments. It should be understood that these embodiments are described only to enable those skilled in the art to better understand and realize the subject matter described herein, but not to limit the scope of the subject matter described herein in any way.

[0014] The term "base station" (BS) as used herein may refer to a Node B (NodeB or NB), an Evolved Node B (eNodeB or eNB), a Remote Radio Unit (RRU), a Radio Head (RH), a Remote Radio Head (RRH) , repeaters, low power nodes such as pico base stations, femto base stations, etc.

[0015] The term "user equipment" (UE) as used herein refers to any device capable of communicating with a BS. As examples, a UE may comprise a terminal, a mobile terminal (MT), a subscriber station (SS), a portable subscriber station (PSS), a mobile station (MS) or an access terminal (AT).

[0016] As used herein, the term...

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Abstract

The present disclosure generally relates to downlink transmission scheduling of D2D UEs based on subframe patterns. In one embodiment, the D2D UE may provide the BS with information on a pattern of D2D reception subframes indicating the usage of at least some of the D2D reception subframes. Depending on the pattern, the BS may determine one or more D2D reception subframes in which the UE wants to monitor D2D reception and / or cellular reception. In turn, the BS can avoid scheduling downlink transmissions to the UE in every D2D reception subframe in which the UE will detect D2D reception. In other D2D reception subframes, the BS may schedule downlink transmission. In this way, the UE can correctly and flexibly switch between D2D reception and cellular reception without causing any collision or waste of downlink resources.

Description

Background technique [0001] In recent years, much attention has been paid to the development of the 3rd Generation Partnership Project (3GPP) Long Term Evolution (LTE), which provides higher standards for the Evolved Universal Mobile Telecommunications System (UMTS) Terrestrial Radio Access (EUTRA) and EUTRA Network (EUTRAN) technologies. data rate and system capacity. In the 3GPP LTE-Advanced (LTE-A) cellular system, Device-to-Device (Device-to-Device, D2D) has been proposed to support neighborhood-based services. D2D communication allows user equipments (UEs) to communicate with each other through a direct connection. In general, D2D communication operates in the uplink spectrum with Frequency Division Duplex (FDD), or in uplink subframes of a cell given coverage. D2D signals are transmitted using Single Carrier Frequency Division Multiple Access (SC-FDMA). [0002] From an individual UE perspective, D2D signal reception and cellular uplink transmission do not use full du...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/04H04W72/12H04W76/14H04L5/14
CPCH04W76/14H04W72/1273H04L5/14H04W72/20H04W72/535H04W72/02H04W72/23
Inventor 雷海鹏张治
Owner MICROSOFT TECH LICENSING LLC