Link Adaptation
A novel queue aware wireless link adaptation mechanism and its fixed point analytical model
... queue-aware link adaptation mechanism is pro- posed for wireless links carrying long-lived TCP flows and which are controlled by AQM buffer ...for link adap- ...in link adaptation of ...
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A Survey on Modulation Schemes Used for Link Adaptation in WiMAX Networks
... variable frequency or phase of the carrier. Examples are FSK and PSK. Where as in second type keeps frequency and phase as constant and varying amplitude based on information. Example is ASK modulation. These different ...
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Link level modelling techniques for analysing the configuration of link adaptation algorithms in mobile radio networks
... different link-to-system level interfaces have on the study of the optimum configuration of Link Adaptation algorithms in mobile radio ...simple link-to- system level interfaces not only fails ...
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Green oriented multi techno link adaptation metrics for 5G heterogeneous networks
... novel link adapta- tion metric turned toward PE radio link selection intended for multi-RAT cooperative ...power-efficient link adaptation metrics enable to switch between RATs [2] and their ...
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Thoughput Performance of Adaptive Modulation and Coding Scheme with Link Adaptation for Mimo-Wimax Downlink Transmission
... of link adaptation techniques (AM and AMC) to the downlink for the IEEE ...of link adaptation it is possible to combine the MIMO technique with link adaptation in order to ...
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eOLLA: an enhanced outer loop link adaptation for cellular networks
... Link adaptation (LA) process is a core feature for the downlink of 3GPP long-term evolution (LTE) and LTE-advanced ...loop link adaptation (OLLA) algorithm is used to adaptively modify the ...
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Link Adaptation Technique for MIMO OFDM systems with Low Complexity QRM MLD Algorithm
... making link performance prediction a demanding task [3]. Link adaptation is to adapt the link efficiently in the actual channel conditions by varying certain transmission parameters ...the ...
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Cross layer link adaptation for goodput optimization in MIMO BIC OFDM systems
... applying link adaptation (LA) strategies that do not only account for the information coming not only from the physical layer, but also from the higher layer schemes based on packet com- bining, so ...
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Reconfigurable antennas and link adaptation algorithms for MIMO OFDM wireless systems
... In this work, we study and analyze the performance of physical layer algorithms for adaptive multiple input-multiple output orthogonal frequency-division multiplexing (MIMO-OFDM) wireless systems that employ a new class ...
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Dynamic Link Adaptation and Routing Protocols in Wireless Sensor Networks based on Energy Harvesting of MAC Protocols
... In Wireless Sensor Networks (WSN), energy is critical resource and constraint of such networks. There are number of researches already done on minimizing the energy consumption of WSN in order to extend the lifetime of ...
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Link adaptation for energy efficient uplink coordinated multi point receptions
... While there have been lots of researches on through- put improvement of CoMP (for UL CoMP refer to [10] and references therein; for DL CoMP refer to [11,12] and references therein), to the authors ’ best knowledge, ...
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An energy efficient semi static power control and link adaptation scheme in UMTS HSDPA
... High speed downlink packet access (HSDPA) has been successfully applied in commercial systems and improves user experience significantly. However, it incurs substantial energy consumption. In this article, we address ...
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Performance and configuration of link adaptation algorithms with mobile speed
... Previous research showed that the configuration of Link Adaptation algorithms should take into account operating conditions such as the system load. This paper has studied the dynamics of the LA updating ...
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Link Adaptation for Framed Multimedia Data Transmission over a DS CDMA Communication System
... power adaptation with perfect channel side information, subject to an in- stantaneous minimum bit-energy-to-equivalent-noise spec- tral density ratio constraint and with conventional single- user matched filter ...
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Frame Aggregated Link Adaptation Protocol for Next Generation Wireless Local Area Networks
... environments, link adaptation techniques are proposed by adjusting major design parameters according to the channel conditions, for example, based on the signal-to-noise ratio (SNR) ...cross link ...
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Cooperative relaying in OFDMA networks based on the joint use of hierarchical modulation and link adaptation
... The link adaptation between the RS and SS allows the reduction of the cost of additional resources needed for relaying and hence improves the overall system capa- ...BS-RS link so as to send extra ...
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On the importance of using appropriate link-to-system interfaces for the study of link adaptation
... Link Adaptation (LA), initially developed as a 3G technique, has been identified as a key technology for evolved GSM systems such as the Adaptive Multi-Rate codec (AMR), General Packet Radio Services (GPRS) ...
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Rate and Power Allocation for Discrete Rate Link Adaptation
... Link adaptation, in particular adaptive coded modulation (ACM), is a promising tool for bandwidth-efficient transmission in a fading ...continuous-power adaptation, for slowly varying flat- fading ...
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User Controlled Link Adaptation
... We tested several combinations of using colour and font sizes to represent different degrees of relevance between links and user interests. Figure 4 presents an example of link adaptation by adjusting the ...
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Distortion-Based Link Adaptation for Wireless Video Transmission
... The sequences from Section 5.2 have been encoded with our encoder and the proposed cross-layer link adaptation mechanism. This allows the encoder to have knowledge of the C/N, which is in turn used to ...
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