IEEE 802.16J relay-based wireless access networks: an overview

Genc, Vasken; Murphy, Siobhan; Yu, Yang; Murphy, John

doi:10.1109/mwc.2008.4653133

Cited by 206 publications

(88 citation statements)

References 4 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…The source and relay is communicating in half duplex mode. A non-transparent centralized scheme for relay allocation is followed to control the exchange of information between sources and relay [19]. The relays operate in two-way relaying mode and moreover, it forward the information supplied by the source while performing amplification with constant gain.…”

Section: Resource Allocation System Modelmentioning

confidence: 99%

Channel and Relay Assignment Using Kruskal Algorithm in LTE Networks

Rathnasamy¹,

Nagarajan²

2018

IJIES

View full text Add to dashboard Cite

Abstract:The paper deals with the study of throughput maximization by relay selection and assignment along with channel and subcarrier allocation. In particular, Kruskal algorithm is applied to solve radio resource allocation problem in wireless communication. Solution for joint optimization of carrier and relay is proposed in this work. Graphical theory approach is examined for solving the problem optimally in a given polynomial time. Total network throughput performances variations are analysed through numerical simulation for various combinations of transmit power nodes and relay nodes. It is also demonstrated in this paper the improvement in sum rate against Greedy's algorithm and Prim's algorithm using proposed Kruskal algorithm. Simulation results obtained show that the Kruskal algorithm based approach around 10% to 22% improvement in Sumrate over the fixed subcarrier pairing for a given source power for a carrier and number of relays.

show abstract

Section: Resource Allocation System Modelmentioning

confidence: 99%

Channel and Relay Assignment Using Kruskal Algorithm in LTE Networks

Rathnasamy¹,

Nagarajan²

2018

IJIES

View full text Add to dashboard Cite

show abstract

“…Generally, in transparent mode operation, the relay does not transmit/forward frame header information while in ntRS, it generates their own framing information and forward those provided by the BS (depending on scheduling approach). The frame header contains essential scheduling information (such as preamble, frame control header (FCH), and media access protocol (MAP) and the nodes used to determine when they can transmit and receive information [2]. The resource allocation for the RS is also categorized in two modes: centralized and distributed.…”

Section: Relay and Network Model Analysismentioning

confidence: 99%

Performance evaluation of polling-based transmission in a multi-hop relay (IEEE802.16j)

Hassan

Hashim

Ali

2016

AIP Conference Proceedings

View full text Add to dashboard Cite

Abstract.For the transmission between a base station (BS) and mobile station (MS) in WiMAX multi-hop relay, a relay station (RS) is required to extend the signal for its superordinate or subordinate. Thus, the deployment of RS will not only reduce the cost of the system but also addresses some limitation of spectrum and low SINR caused by significant signal attenuation at the cell edge. Furthermore, it overs the coverage hole in previous standard. However, this is at the cost of longer delay and performance degrade, by increasing the number MS connected to the system. In this paper, we have investigated the performance of the polling-based transmission in a multi-hop relay WiMAX (MMR WiMAX) for transparent and non-transparent relay mode respectively via simulation. We derived and analyzed the average polling delay using tandem queue technique for both relay modes and the results show that the average polling delay decreases when the number of poll increases for both relay modes. Moreover, the delay for non-transparent relay mode is higher due to the signals overhead.

show abstract

“…Authors in [7][8] introduced the basic theories and principles of relay WiMAX presenting most of the major modifications in the IEEE802.16j standard. While authors in [9] and [10] have detailed the key concept and benefits of this new network design providing motivation and features relating to relay-based system design.…”

Section: Characteristics Of Relay-based Networkmentioning

confidence: 99%