Slotted Aloha
Throughput Performance Improvement for Unbalanced Slotted Aloha Relay Networks using Hybrid Network Coding
... the network coding (NC) schemes under the slotted ALOHA protocol is mentioned. All-inclusive- interfering unbalanced network in which two client groups with different numbers of nodes communicate with each ...
6
Performance Analysis of P persistent Slotted ALOHA Protocol for Low Power IoT Applications
... pure ALOHA in MAC layer communication protocol [5] on the top of LoRa (Long Range) physical ...use ALOHA for its MAC protocol due to its simplicity in communication ...networks. ALOHA protocols can ...
6
Slotted Aloha Game for Decreasing Transmission Delay and Packet Loss Ratio in Wireless Data Networks
... In Slotted Aloha, all transmissions start at the beginning of time-slots in synchronization with the system horologe. If two or more nodes send a packet in a given time slot, then there is a collision. If ...
6
A spatial slotted Aloha protocol in wireless networks for group communications
... In a large-scale group communication networks, we propose a slotted-Aloha-based access control (SA-AC) scheme with the optimal transmission probability (TP) using the stochastic geometry. Since the ...
16
Analysis of the local delay with slotted ALOHA based cognitive radio ad hoc networks
... In this paper, we analyze the local delay of CR networks in which secondary nodes are overlaid with primary nodes and adopt slotted ALOHA MAC protocol to access the channel. The closed-form expression of ...
6
Performance Analysis of RFID Framed Slotted Aloha Anti Collision Protocol
... Framed-Slotted Aloha. In framed slotted aloha based anti-collision protocols, the reader begins each interroga- tion round by informing all tags about the current frame size in terms of time ...
6
A novel spread slotted ALOHA based on cognitive radio for satellite communications system
... In this paper, a spread slotted ALOHA based on multi- user, multi-channel CR model in satellite communication scenario is proposed. In the sensing phase, satellite earth stations will store sampling values ...
9
Dynamic Frame Sizing with Grouping Slotted Aloha for UHF RFID Networks
... Frame slotted Aloha is a widely used anti collision algorithm that can be further divided into two main categories depending upon how the frame selection is ...
6
Enhanced Collision-Free Slotted Aloha with Priority in Contention (SAPC)
... Slotted ALOHA [4] is a well-known distributed random access scheme in which the link time is divided into slots of equal duration and the users contend to access the Shared Channel (SC) by transmitting with ...
7
Slotted Aloha with multi AP diversity and APS transmit beamforming
... in slotted Aloha in a cellular environment, multiple access interference and cochannel ...of slotted Aloha in Nakagami fading channels considering both synchro- nized and asynchronous ...
10
Delay distributions of slotted ALOHA and CSMA
... 3, slotted nonpersistent CSMA has throughput not much higher than slotted ALOHA if finite delay variance needs to be ...of slotted 1-persistent CSMA is, however, much larger ...
12
Maximum a posteriori (MAP) based tag estimation method for dynamic framed slotted ALOHA (DFSA) in RFID systems
... It is obvious from the above equation that the through- put depends on the appropriate choice of frame size L, given the number of tags N in the interrogation range. Figure 1 shows the well-known upper bound of the ...
12
Dynamic Grouping Frame slotted Aloha
... In this paper we will focus on tag to tag collision and how to resolve this using an efficient anti collision algorithm.Several multi tag passive RFID anti-collision algorithms have been proposed and among them the most ...
5
On the optimal configuration of framed slotted ALOHA
... The primary task of RFID readers is to identify multiple objects as quickly and reliably as possible with minimal power consumption and computation. One issue addressed in this study is the manner in which RFID systems ...
15
On Bistable Region of Slotted ALOHA Systems with Delay Constraints
... that slotted ALOHA system can operate with the unique stable equilibrium point, if the number of retransmis- sion trials is limited to at most eight [14, ...in slotted ALOHA ...
7
Lifetime Analysis of a Slotted Aloha-Based Wireless Sensor Network Using a Cross-Layer Frame Rate Adaptation Scheme
... Reservation Aloha for No Overhearing that is used to inform the tag of its effective communication for eliminate overhearing problem large of energy is reduced due to overhearing is many times larger than consumed ...
7
A Review of Lifetime Analysis of a Slotted Aloha Based Wireless Sensor Network Using a Cross-Layer Frame Rate Adaptation Scheme
... This paper makes the following three main contributions: 1) They developed a generic method of integrating the CSMA/CA MAC analysis with the MCF formulation for optimal network capacity analysis, which readily generates ...
7
Analysis of Medium Access Protocols with Channel Bonding for Cognitive Radio on TV Bands
... Figs. 3, 4 and 5 depict throughput variation as a function of the traffic for the FCN and FCS OFDM schemes for both simulated and analytical results for slotted Aloha with various channel widths. The ...
5
Stability Analysis of Hybrid ALOHA
... for slotted ALOHA, enabling the feasibility of the successful simultane- ous transmissions from di ff erent ...hybrid ALOHA improves the MAC layer MPR capability and outperforms the traditional ...
11
Download complete issue: Vol. 2, No. 1 (PDF)
... name, Slotted Aloha changes the protocol from continuous time to slotted ...from Slotted-Aloha two times larger than the maximum throughput of ...
6