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Some M2M applications such as event monitoring involve a group of devices in a vicinity that act in a co-ordinated manner. An LTE network can exploit the correlated traffic characteristics of such devices by proactively assigning resources to devices based upon the activity of neighboring devices in the same group. This can reduce latency compared to waiting for each device in the group to request...
One of the key characteristics of cellular Machine-to-Machine (M2M) communications is the generation of small data packets by a large number of devices. The excessive control signaling required for dynamic scheduling of such uplink data in the Long Term Evolution (LTE) standard impedes the deployment of LTE networks for M2M communications. Traditional Semi-persistent scheduling (SPS) reduces the load...
For certain event based M2M applications, it is possible to predict when devices will or may need to send data on the LTE uplink. For example, in a wireless sensor network, the fact that one sensor has triggered may increase the probability that other sensors in the vicinity may also trigger in quick succession. The existing reactive LTE uplink access protocol, in which a device with pending data...
LTE has been proposed as a possible wide area communications network for the Smart Grid. We analyze the performance of the LTE TDD mode when the uplink traffic (such as AMI meter readings and sensor data) is significantly higher than downlink traffic. We derive theoretical best case mean uplink latency figures for the relevant subset of LTE TDD uplink/downlink configurations (0, 1 and 6) and validate...
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