System information for enhanced machine type communication

A technology of system information block and broadcast communication, which is applied in the field of system information of enhanced machine type communication, and can solve the problem that the device cannot be connected to the wireless network

Active Publication Date: 2018-03-02
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the device is not aware of such timing, scheduling or frequency resources, the device may not be able to connect to the wireless network

Method used

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  • System information for enhanced machine type communication
  • System information for enhanced machine type communication
  • System information for enhanced machine type communication

Examples

Experimental program
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Embodiment Construction

[0046] Some wireless systems support data communication technologies that allow devices to communicate with each other or with base stations without human intervention. Such communication may be referred to as Machine Type Communication (MTC). In some cases, the system may support MTC by using technologies or features customized for MTC devices. A technique or feature used for the purpose of improving MTC may be referred to as enhanced MTC (eMTC). To support eMTC, the system can be configured to account for operating characteristics of MTC devices, which can differ from other user equipment (UE). This may include broadcasting certain MTC-specific system information using various repetition levels, transport block sizes, etc.

[0047] An MTC device or MTC UE may be a low-complexity, low-cost device relative to other UEs, and may pass a combination of features such as low-power operation, limited duplex capability, and operation in environments with poor radio link conditions....

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PUM

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Abstract

Methods, systems, and devices for wireless communication are described. A wireless device (such as a machine type communications (MTC) device) may determine one or more scheduling parameters for a system information block (SIB) based on the bandwidth or duplexing configuration of a communication link. The scheduling parameters may include a repetition level, a transport block size, a subframe index, or the like; and the scheduling parameters may depend on signaling in a broadcast communication (e.g., a master information block (MIB)) or a frequency hopping configuration, or both. In some cases, a broadcast channel may be scheduled during a transmission time interval (TTI) within a narrowband region of a system bandwidth. Available resources within the TTI may be identified and the SIB maybe mapped to the available resources within the narrowband region based on the location of the broadcast information.

Description

[0001] cross reference [0002] This patent application claims the benefit of U.S. Patent Application Serial No. 15 / 178,253, filed June 9, 2016, by Rico Alvarino et al., entitled "System Information for Enhanced Machine Type Communication," and Rico Alvarino et al., filed June 16, 2015 Priority of U.S. Provisional Patent Application No. 62 / 180,463, filed "System Information for Enhanced Machine Type Communication," each of which has been assigned to the assignee of the present application. technical field [0003] The following relates to wireless communications in general and, in particular, to system information for enhanced machine type communications (eMTC). Background technique [0004] Wireless communication systems are widely deployed to provide various types of communication content such as voice, video, packet data, messaging, broadcast, and so on. These systems can support communication with multiple users by sharing available system resources (eg, time, frequency...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W4/70H04W48/10H04W72/12
CPCH04W48/10H04W72/1263H04W4/70H04L5/005H04B1/713H04W72/23H04H20/16H04W88/02
Inventor A·里科阿尔瓦里尼奥陈万士徐浩
Owner QUALCOMM INC
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