• No results found

slotted Aloha multiple access

Analysis of the local delay with slotted ALOHA based cognitive radio ad hoc networks

Analysis of the local delay with slotted ALOHA based cognitive radio ad hoc networks

... Supposing slotted ALOHA multiple access is adopted by secondary nodes, we derive the closed-form expression of the local delay by modeling the channel occupied by primary nodes as ...

6

Slotted Aloha with multi AP diversity and APS transmit beamforming

Slotted Aloha with multi AP diversity and APS transmit beamforming

... in slotted Aloha in a cellular environment, multiple access interference and cochannel ...user, multiple access interference is due to users within the same cell and cochannel ...

10

Generalized Encoding CRDSA: Maximizing Throughput in Enhanced Random Access Schemes for Satellite

Generalized Encoding CRDSA: Maximizing Throughput in Enhanced Random Access Schemes for Satellite

... Satellite access networks provide a wide range of services for civil and military ...of access scheme are strongly linked to the traffic characteristics and in particular to the size of the file ...the ...

16

A Review of Lifetime Analysis of a Slotted Aloha Based Wireless Sensor Network Using a Cross-Layer Frame Rate Adaptation Scheme

A Review of Lifetime Analysis of a Slotted Aloha Based Wireless Sensor Network Using a Cross-Layer Frame Rate Adaptation Scheme

... sense multiple access with collision avoidance (CSMA/CA) medium access control (MAC) ...random access has been ignored by existing MCF-based capacity studies, which assume impractical ...

7

Slotted Aloha Game for Decreasing Transmission Delay and Packet Loss Ratio in Wireless Data Networks

Slotted Aloha Game for Decreasing Transmission Delay and Packet Loss Ratio in Wireless Data Networks

... if multiple users try to transmit randomly (as in S-ALOHA protocol) without following a suitable manner for all participate users; many access ...

6

Performance Analysis of P persistent Slotted ALOHA Protocol for Low Power IoT Applications

Performance Analysis of P persistent Slotted ALOHA Protocol for Low Power IoT Applications

... [12], ALOHA- QIR protocol was proposed to reduce the collision and retransmission as well as to improve the throughput and energy efficiency by using Q-learning in Slotted ...p-persistent Slotted ...

6

Distributed and Collaborative Processing in Wireless Sensor Networks

Distributed and Collaborative Processing in Wireless Sensor Networks

... is slotted and the slot length T equals the transmission time of one ...a multiple access ...the multiple access network is limited: the maximum throughput per slot is 1 for ...

163

Analysis of Medium Access Protocols with Channel Bonding for Cognitive Radio on TV Bands

Analysis of Medium Access Protocols with Channel Bonding for Cognitive Radio on TV Bands

... the slotted ALOHA and the non-persistent CSMA protocol [5] is ...studied. Slotted Aloha and CSMA are simple, mature, well-known and effective random access ...with multiple ...

5

Enhanced Collision-Free Slotted Aloha with Priority in Contention (SAPC)

Enhanced Collision-Free Slotted Aloha with Priority in Contention (SAPC)

... among multiple competing users is an ALOHA protocol and in this paper, a way of allocating a single shared channel among multiple competing users through slotted ALOHA without forming ...

7

On Bistable Region of Slotted ALOHA Systems with Delay Constraints

On Bistable Region of Slotted ALOHA Systems with Delay Constraints

... random access protocols [9, 10, 11, 12, 13], which can succeed in explicitly indicating bistable ...Sense Multiple Access with Collision Detection) and indicated the existence of the cusp ...that ...

7

Delay distributions of slotted ALOHA and CSMA

Delay distributions of slotted ALOHA and CSMA

... ANDOM ACCESS protocols, such as ALOHA and carrier sense multiple access (CSMA), are widely used in wire- less communication systems such as packet satellite communi- cations, wireless LAN, and ...

12

THROUGHPUT-OPTIMAL CONFIGURATION OF FIXED WIRELESS  MESH NETWORK IN CROSS-WAY DESIGN

THROUGHPUT-OPTIMAL CONFIGURATION OF FIXED WIRELESS MESH NETWORK IN CROSS-WAY DESIGN

... to access the medium for transmitting an amount of ...to access the medium for, given by Since the gateway transmits all the traffic without any network coding, Then, in heuristic, the attempt probability ...

6

An efficient backoff algorithm for IEEE 802 15 4 with MAC techniques in slotted CSMA/CA networks

An efficient backoff algorithm for IEEE 802 15 4 with MAC techniques in slotted CSMA/CA networks

... Medium Access Control (MAC) plays an significant part in the performance of WSNs especially in the case of contention based protocols such as IEEE ...channel access methods: beacon- enabled mode and ...

40

Slotted Gaussian Multiple Access Channel: Stable Throughput Region and Role of Side Information Vaneet

Slotted Gaussian Multiple Access Channel: Stable Throughput Region and Role of Side Information Vaneet

... The relation between queuing stability and Shannon capacity remains a problem of interest, since most sources are bursty and require a delay-bounded delivery. For random access systems, the problem has been ...

11

Multiagent  Learning for Aloha Like Spectrum Access in Cognitive Radio Systems

Multiagent Learning for Aloha Like Spectrum Access in Cognitive Radio Systems

... To accomplish the learning of Aloha-like spectrum access, multiagent reinforcement learning (MARL) [10] is applied in this paper. One challenge of MARL in our context is that the secondary users do not know ...

15

Dynamic Frame Sizing with Grouping Slotted Aloha for UHF RFID Networks

Dynamic Frame Sizing with Grouping Slotted Aloha for UHF RFID Networks

... When multiple products (each mounted with an RFID tag) come into the range of a single RFID reader, collision among tags ...are Aloha based and Tree ...

6

Throughput Performance Improvement for Unbalanced Slotted Aloha Relay Networks using Hybrid Network Coding

Throughput Performance Improvement for Unbalanced Slotted Aloha Relay Networks using Hybrid Network Coding

... protocol needs to be adjusted. In two 802.11-like distributed MAC protocols were proposed to support PNC transmission. The authors proposed the multi-user PNC method for slotted ALOHA network. However, do ...

6

Dispersion Modelling for Risk Assesment

Dispersion Modelling for Risk Assesment

... study. ALOHA is an atmospheric dispersion model used for evaluating releases of hazardous chemical ...vapors. ALOHA allows the user to estimate the downwind dispersion of a chemical cloud based on the ...

7

Multiple Access by Shilpy.ppt

Multiple Access by Shilpy.ppt

... the medium remains idle when there may be stations with frames to send as the stations wait a random amount of time after the collision. (ii) Non-persistent CSMA.[r] ...

28

Analytical Study of the Potential Consequences for LNG Release on Typical Floating Liquefied Natural Gas (FLNG) Facility

Analytical Study of the Potential Consequences for LNG Release on Typical Floating Liquefied Natural Gas (FLNG) Facility

... to multiple cooling stages in the cryogenic heat exchanger by cryogenic refrigerants in which the heat will be effectively transferred from the feed gas to the ...

11

Show all 10000 documents...

Related subjects