搜索结果: 1-12 共查到“应用数学 Channels”相关记录12条 . 查询时间(0.088 秒)
TIME-FREQUENCY AND TIME-SCALE CANONICAL REPRESENTATIONS OF DOUBLY SPREAD CHANNELS
TIME-FREQUENCY TIME-SCALE CANONICAL REPRESENTATIONS DOUBLY SPREAD CHANNELS
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2015/9/29
A general technique for the generation of canonical channel models and demonstrate the application of the technique to time-frequency and time-scale integral kernel operators is developed. As an examp...
Compressed Sensing for Feedback Reduction in MIMO Broadcast Channels
Compressed Feedback Reduction MIMO Broadcast Channels
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2011/2/28
We propose a generalized feedback model and compressive sensing based opportunistic feedback
schemes for feedback resource reduction in MIMO Broadcast Channels under the assumption that both uplink a...
Gaussian Broadcast Channels with an Orthogonal and Bidirectional Cooperation Link
Gaussian Broadcast Channels Orthogonal Bidirectional Cooperation Link
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2010/11/24
This paper considers a system where one transmitter broadcasts a single common message to two receivers linked by a bidirectional cooperation channel, which is assumed to be orthogonal to the downlin...
Interference Alignment Through User Cooperation for Two-cell MIMO Interfering Broadcast Channels
Two-cell MIMO Interfering Broadcast Channels
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2010/11/22
This paper focuses on two-cell multiple-input multiple-output (MIMO) Gaussian interfering broadcast channels (MIMO-IFBC) with $K$ cooperating users on the cell-boundary of each BS. It corresponds to a...
Degrees of Freedom Regions of Two-User MIMO Z and Full Interference Channels: The Benefit of Reconfigurable Antennas
Degrees of Freedom Regions Two-User MIMO Z Full Interference Channels
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2010/11/15
We study the degrees of freedom (DoF) regions of two-user multiple-input multiple-output (MIMO) Z and full interference channels in this paper. We assume that the receivers always have perfect channel...
Distributed Interference Cancellation in Multiple Access Channels
Access Channels math
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2010/11/22
In this paper, we consider a Gaussian multiple access channel with multiple independent additive white Gaussian interferences. Each interference is known to exactly one transmitter non-causally. The ...
Robust Beamforming for Security in MIMO Wiretap Channels with Imperfect CSI
Robust Beamforming for Security MIMO Wiretap Channels
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2010/12/3
In this paper, we investigate methods for reducing the likelihood that a message transmitted between two multiantenna nodes is intercepted by an undetected eavesdropper.
Cooperative Feedback for MIMO Interference Channels
Cooperative Feedback MIMO Interference Channels
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2010/12/8
Multi-antenna precoding effectively mitigates the interference in wireless networks. However, the precoding efficiency can be significantly degraded by the overhead due to the required feedback of cha...
On Repetition Protocols and Power Control for Multiple Access Block-Fading Channels
Repetition Protocols Power Control Multiple Access Block-Fading Channels
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2010/12/10
In this paper we study the long-term throughput performance of repetition protocols coupled with power control for multiple access block-fading channels.
Secure Relay Beamforming over Cognitive Radio Channels
Secure Relay Beamforming Cognitive Radio Channels
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2010/12/15
In this paper, a cognitive relay channel is considered,and amplify-and-forward (AF) relay beamforming designs in the presence of an eavesdropper and a primary user are studied.
Matching Dyadic Distributions to Channels
Matching Dyadic Distributions Channels
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2010/12/9
Many communication channels with discrete input have non-uniform capacity achieving probability mass functions (PMF). By parsing a stream of independent and equiprobable bits according to a full prefi...
Optimal Power Allocation for Secrecy Fading Channels Under Spectrum-Sharing Constraints
Power Allocation Secrecy Fading Channels Spectrum-Sharing Constraints
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2010/12/15
In the spectrum-sharing technology, a secondary user may utilize the primary user’s licensed band as long as its interference to the primary user is below a tolerable value. In this paper, we consider...