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5G is expected to support a wide variety of new services which will potentially have quite strict requirements on the wireless communication link. Currently, the standard indicator of a service requirement is its Latency/Reliability tolerance. The 5G usecases demand ultra low latency and ultra high reliability. Generally speaking, those two requirements are contradictive. Latency and reliability budgets...
Underwater acoustic communication (UWA) is a reliable way for data transmission in underwater environment, however, it is quite challenging due to its doubly spread characteristics as delay spread and Doppler spread. In this paper, a discrete-time channel input-output relationship for multiple-input-multiple-output (MIMO) single-carrier block transmissions is derived based on parameterization for...
In LTE-A or Rel. 10+, heterogeneous network deployments are supported to improve the user experienced link performance. However, such deployments give rise to new interference problems. In this study, macro-femto-cell interference scenarios for LTE-A downlink are investigated. We focus on the critical interference scenario of colliding cell-specific reference signals (CRSs). As conventional receivers...
Currently, 3GPP standardizes an evolved UTRAN (E-UTRAN) within the Release 8 Long Term Evolution (LTE) project. Targets include higher spectral efficiency, lower latency, higher peak data rate when compared to previous 3GPP air interfaces. The air interface of E-UTRAN is based on OFDMA and MIMO in downlink and on SCFDMA in uplink Main challenges for a terminal implementation include efficient realization...
A single antenna GSM/EDGE receiver design with fractionally spaced (FS) channel estimation and shortening is presented using trellis based joint detection for co-channel interference cancellation. For the combination of joint trellis equalization and DFE, we propose FS prefiltering to shorten both the impulse responses of a desired user and a dominant co-channel interferer jointly, followed by an...
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