A multi-gigabit microwave backhaul

Huang, Xiaojing; Guo, Yi; Zhang, Andrew; Dyadyuk, Val

doi:10.1109/mcom.2012.6163591

Cited by 38 publications

(19 citation statements)

References 9 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…CSIRO has recently developed a multi-Gigabit long distance microwave backhaul system [6], called Ngara backhaul. The system employs a number of novel approaches to realize high rate wireless transmission.…”

Section: Csiro Microwave Backhaulmentioning

confidence: 99%

Multi-Gigabit Microwave and Millimeter-Wave Communications Research at CSIRO

Huang

Guo

Zhang

2014

2014 14th International Symposium on Communications and Information Technologies (ISCIT)

Self Cite

View full text Add to dashboard Cite

High speed and long range wireless backhauls are cost-effective alternatives to fibre networks and becoming more and more attractive as the demand for broadband wireless services grows rapidly in recent years. However, current commercially available wireless backhaul systems neither provide sufficiently high speed nor meet the requirements to achieve both high speed and long range at the same time with sufficiently low latency for targeted applications. Traditional microwave systems can achieve long transmission range, but the data rates are limited to a few hundred Mega bits per second only. Multi-Gigabit wireless communications can be achieved using millimetre-wave (mm-wave) frequency bands, especially the Ebands, but the practical transmission range is still a major weakness. In this paper, the state-of-the-art microwave and mmwave technologies developed at the Commonwealth Scientific and Industrial Research Organization (CSIRO) are introduced to demonstrate CSIRO's technology leadership in multi-Gigabit wireless communications research and development. The technology trends in multi-Gigabit wireless communications are also discussed and various recently developed microwave and mmwave systems are compared. It is hoped that this paper will stimulate further research interest and industry development.Index Terms-Gigabit wireless, microwave, mm-wave, backhaul, and low latency.

show abstract

Section: Csiro Microwave Backhaulmentioning

confidence: 99%

Multi-Gigabit Microwave and Millimeter-Wave Communications Research at CSIRO

Huang

Guo

Zhang

2014

2014 14th International Symposium on Communications and Information Technologies (ISCIT)

Self Cite

View full text Add to dashboard Cite

show abstract

“…Due to moderate pathloss, very high ranges on the order of tens of km can be achieved when used with highly directive antennas [13], [14].…”

Section: B Wireless Backhaulmentioning

confidence: 99%

Heterogeneous Backhaul for Cloud-Based Mobile Networks

Bartelt

Fettweis

Wübben

et al. 2013

2013 IEEE 78th Vehicular Technology Conference (VTC Fall)

View full text Add to dashboard Cite

Abstract-To meet the increasing capacity demands of future mobile networks, dense deployment of radio access nodes in combination with partly centralized processing by means of a cloudbased architecture is a promising option. In such an architecture, the design and optimization of the backhaul plays a crucial role. In this paper, we review different backhaul technologies available and discuss their characteristics for use in cloud-based networks. We point out how a heterogeneous backhaul network and a flexible centralization enables the proposed architecture and give an outlook on how a joint design of access and backhaul can help in meeting the increased demands.

show abstract

“…As the wireless networks evolve toward the 5th generation, employing higher order modulation and performing multiple channel aggregation for wireless transmission have become the industry trends [1,2]. Since practical low cost microwave point-to-point systems usually use directconversion with in-phase(I)/quadrature(Q) modulation architecture for up and down conversions and channelization, any variation between respective components in the I and Q branches will cause I/Q imbalance.…”

Section: Introductionmentioning

confidence: 99%

Joint transmitter and receiver I/Q imbalance estimation in presence of carrier frequency offset

Huang

Zhang

Guo

2015

2015 15th International Symposium on Communications and Information Technologies (ISCIT)

Self Cite

View full text Add to dashboard Cite

Abstract-This paper proposes a simple frequency domain joint transmitter and receiver I/Q imbalance estimation method which exploits the phase rotation introduced by carrier frequency offset. Using two frequency domain training sequences inserted in each transmission frame, the transmitter and receiver I/Q imbalances can be jointly estimated over multiple frames. The transmitter I/Q imbalance parameter can be fed back to the transmitter for I/Q imbalance pre-compensation, whereas the receiver I/Q imbalance can be compensated locally followed by conventional frequency domain equalization. Numerical simulation results show that the image rejection ratios for both transmitter and receiver after I/Q imbalance compensation can be improved to over 50 dB which is necessary for multichannel systems with high order modulation and wide transmission bandwidth.Index Terms-I/Q imbalance, image rejection, carrier frequency offset, spectral efficiency, and multichannel system.

show abstract

A multi-gigabit microwave backhaul

Cited by 38 publications

References 9 publications

Multi-Gigabit Microwave and Millimeter-Wave Communications Research at CSIRO

Multi-Gigabit Microwave and Millimeter-Wave Communications Research at CSIRO

Heterogeneous Backhaul for Cloud-Based Mobile Networks

Joint transmitter and receiver I/Q imbalance estimation in presence of carrier frequency offset

Contact Info

Product

Resources

About