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Reliable and Efficient Transmission to M2M Device Groups
Document Number:
IEEE S802.16p-10/0002
Date Submitted:
2010/11/01
Source:
Hung-Yu Wei, Ching-Chun Chou
National Taiwan University (NTU)
Yan-Xiu Zheng
ITRI
*<http://standards.ieee.org/faqs/affiliationFAQ.html>
Re:
CfC: SRD of the IEEE 802.16p Mobile-to-Mobile (M2M)
Base Contribution:
IEEE C802.16p-10/0002
Purpose:
To be discussed and adopted in the 802.16p M2M SRD
Notice:
E-mail: [email protected]
E-mail: [email protected]
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M2M Applications
• M2M applications include [2]
–
–
–
–
Smart metering
Health monitoring
Vehicular
Maintenance
• Some application cases & related requirements
– Simultaneous transmissions of different traffics
– Devices with limited power
– High reliability transmission
Simultaneous Transmission of
Different QoS Traffics
• M2M devices may be transmitting traffics of different
QoS requirements.
– Smart metering
• Power outage notification
• User electricity consumption profile
– Health monitoring
• Vital problem warning
• Your walking distance
• Prioritized transmission is required
– Pre-emption is required for critical traffic
– Consider delay & reliability
Devices with Limited Power
• Most mobile devices are powered by batteries.
– Hand-held devices
– Sensors, public monitoring devices
• Energy saving is necessary
– MAC protocol should be integrated with power
saving mechanism
• To maximize power saving
– Efficient energy saving protocol
• For delay tolerant traffic
High Reliability Transmission
• The integrity of critical control message or
data should be ensured.
– Public warning devices & signals
– Emergent reporting for the M2M consumers
• Feedback is necessary to ensure the
transmission and reception.
– HARQ with ACK/NACK
– Fountain codes, network coding
Proposed Text to the IEEE 802.16p M2M SRD (1)
• 6.2.4 The 802.16p system shall support optimized signaling
for resource allocation for large numbers of M2M devices
individually or by group.
– 6.2.4.1 Pre-emptive resource allocation should be provided if
emergent signaling or data delivery is required.
• 6.2.5 The 802.16p system shall support efficient and reliable
control and data delivery to and from groups of devices.
– 6.2.5.1 Control and data delivery to and from groups of devices
shall be categorized, based on delay requirements and reliability
requirement.
– 6.2.5.2 Delay-bounded group data delivery mechanism shall be
provided to disseminate delay-sensitive information to/from a
group of M2M devices.
– 6.2.5.3 Feedback mechanism may be provided to ensure the
reliability of critical control and data delivery to/from M2M
devices for mission-critical M2M transmission.
Proposed Text to the IEEE 802.16p M2M SRD (2)
• 6.2.6 The 802.16p system shall support efficient mechanisms
for network access from large numbers of M2M devices.
– 6.2.6.1 Energy-efficient group data delivery mechanism shall be
provided to disseminate delay-tolerant information to/from a
group of M2M devices. The energy-efficient group delivery
mechanism shall be integrated with power saving mechanism of
M2M devices.
• 6.2.8 The 802.16p system shall provide mechanisms for
allowing access with different levels of priority for M2M
devices across different classes of M2M services.
– 6.2.8.1 The access of different M2M services shall be pre-emptive.
M2M transmission with higher priority level should be able to gain
access from low level ones.
References
• [1] C80216ppc-10_0014, “Project Planning
Committee (PPC): Session #69 WG Closing Plenary
Report,” IEEE 802.16PPC, 2010-09-15
• [2] C80216ppc-10_0053, “Efficient Control of a
Large Number of Devices,” Eldad Zeira, InterDigital
Communications, 2010-08-25
• [3] C80216ppc-10_0011r2, “IEEE 802.16p Machine
to Machine (M2M) System Requirements Document
(Initial Working document revised),” 2010-09-16