Dynamic Allocation of RACH Resource for Clustered M2M Communications in LTE Networks

Li, Wanyu; Du, Qinghe; Liu, Lingjia; Ren, Pinyi; Wang, Yichen; Sun, Li

doi:10.1109/iiki.2015.38

Cited by 19 publications

(6 citation statements)

References 8 publications

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“…Works in [18], [19], [15] aim to optimize different parameters in the uplink communication. In [18] devices are grouped together based on their buffer size to allow for more efficient scheduling in the uplink.…”

Section: Related Work a Grouping In 4g/5gmentioning

confidence: 99%

“…In [18] devices are grouped together based on their buffer size to allow for more efficient scheduling in the uplink. In the ACB and ECB [16], [17] schemes of 3GPP as well as [19] the goal is to minimize the RACH collisions and the devices are split into two groups based on the delay tolerance. Finally, in [15] devices are placed into groups based on their QoS requirements.…”

Section: Related Work a Grouping In 4g/5gmentioning

confidence: 99%

See 1 more Smart Citation

On Device Grouping for Efficient Multicast Communications in Narrowband-IoT

Tsoukaneri

Marina²

2018

2018 IEEE 38th International Conference on Distributed Computing Systems (ICDCS)

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Narrowband IoT (NB-IoT) is a new cellular network technology that has been designed for low capability, low power consumption devices that are expected to operate for more than 10 years on a single battery. These types of devices will be inexpensive (less than $5) and deployed on massive scales. This long life expectancy will lead to the need for occasional software updates, to very large groups of devices. While a new multicast mechanism has recently been proposed for the efficient multicast transmission of such updates, it assumes that devices can be grouped together and synchronized in order to receive the multicast data. In this paper, we explore three different approaches to achieve device grouping, with different trade-offs between bandwidth usage, energy consumption and compliance with the NB-IoT standard. To assess the performance of each approach, we conducted a thorough experimental evaluation under realistic operating conditions.

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Section: Related Work a Grouping In 4g/5gmentioning

confidence: 99%

Section: Related Work a Grouping In 4g/5gmentioning

confidence: 99%

On Device Grouping for Efficient Multicast Communications in Narrowband-IoT

Tsoukaneri

Marina²

2018

2018 IEEE 38th International Conference on Distributed Computing Systems (ICDCS)

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“…In LTE systems, an M2M UE transmits a preamble on the physical random access channel (PRACH) in the first step of RA procedure to inform the evolved nodeB (eNB) of its connection request [12]. In [13], the authors propose a dynamic PRACH resource allocation for clustered M2M UE. The available preambles are dynamically partitioned for each cluster, and the UE belonging to different clusters adopts the ACB mechanism to alleviate the overload.…”

Section: Introductionmentioning

confidence: 99%

“…However, the maximum number of random access opportunities (i.e., the product of preambles number and the PRACH subframes number) is fixed, and it may not be the optimal number when the number of active M2M UE pieces exceeds the maximum number of random access opportunities, which results in the inefficient using of radio resource. In [13][14][15][16][17], the emphasis on the amount of resources for PRACH may not be sufficient since the uplink available resources are limited. The more the PRACH resources allocated to improve the performance of RA procedure, the less the radio resources available for uplink data transmission.…”

Section: Introductionmentioning

confidence: 99%

A New Hybrid Protocol for Random Access and Data Transmission Based on Two-Phase ACB Mechanisms for M2M Communications

Zhang

Kang

2017

Mobile Information Systems

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Machine-to-machine (M2M) communication is considered as one of the key enablers for providing of advanced services and applications. Since M2M features a massive number of user equipment (UE) pieces, one of the key issues is the radio access network (RAN) overload problem for massive connections in M2M communications. In order to improve the number of successful accesses (i.e., the M2M UE pieces that successfully transmit data packets) for M2M communications in the current long term evolution (LTE) systems, we propose a new hybrid protocol for random access (RA) and data transmission based on two-phase access class barring (ACB) mechanisms. Furthermore, the joint optimization algorithm of the two-phase ACB factors and the number of resource blocks (RBs) allocated for RA and data transmission is designed to maximize the number of successful accesses. Finally, simulation results demonstrate that our scheme can significantly improve the number of successful accesses and achieve performance improvement in reducing the grant time.

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“…However, these splits are typically static irrespective of the changing network conditions and can limit the access opportunities for MTC device by misallocating the available resources, thus reducing the performance of the system under load. A few existing dynamic schemes [28], [29] reactively allocate additional RA preambles to the MTC devices based on the observed congestion. In contrast, ASPIS features a proactive preamble splitting technique which can predict congestion before it occurs and optimally allocate the preambles between the two groups of devices.…”

Section: Related Workmentioning

confidence: 99%

ASPIS: A Holistic and Practical Mechanism for Efficient MTC Support over Mobile Networks

Tsoukaneri

Foukas

Marina

2017

2017 IEEE 14th International Conference on Mobile Ad Hoc and Sensor Systems (MASS)

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Abstract-Machine Type Communications (MTC) collectively refers to the exchange of data among devices that operate without human intervention. A significant number of such devices are currently served by cellular networks, and that number is expected to grow in the near future. However, cellular networks, including current fourth generation LTE networks, face several challenges when it comes to handling MTC traffic as they were primarily designed for Human Type Communications (HTC) which have very different traffic patterns. In this paper we focus on periodic MTC devices, such as sensors and meters, which cause significant signaling load and increased collisions over standard LTE networks. We propose ASPIS, a holistic mechanism designed to overcome these problems. ASPIS reduces the signaling load by partly preserving a device's connection to the network in conjunction with a new Random Access process and efficient support for short message transmissions. In addition, it uses a proactive preamble split scheme to alleviate collisions. ASPIS is easy to implement without requiring hardware changes while at the same time maintains security and can be incrementally deployed alongside legacy devices/infrastructure. We showcase the practicality of ASPIS by implementing it on the OpenAirInterface platform. Further, we demonstrate its effectiveness through extensive evaluations via a combination of small-scale experimental evaluation and large-scale, realistic simulations.

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Dynamic Allocation of RACH Resource for Clustered M2M Communications in LTE Networks

Cited by 19 publications

References 8 publications

On Device Grouping for Efficient Multicast Communications in Narrowband-IoT

On Device Grouping for Efficient Multicast Communications in Narrowband-IoT

A New Hybrid Protocol for Random Access and Data Transmission Based on Two-Phase ACB Mechanisms for M2M Communications

ASPIS: A Holistic and Practical Mechanism for Efficient MTC Support over Mobile Networks

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