'Sum capacity' diaporamas de présentation

Cellular Wireless Capacity & Scheduler/Medium Access Control (MAC)

481 views • 39 slides

Flexible Allocation of Capacity in Multi-Cell CDMA Networks

Flexible Allocation of Capacity in Multi-Cell CDMA Networks. Robert Akl, Manju Hegde, Mort Naraghi-Pour*, Paul Min Washington University, St. Louis, MO *Louisiana State University, Baton Rouge, LA. Outline. Capacity and Probability of Outage Calculation of inter-cell interference

512 views • 36 slides

On the Capacity of Distributed Antenna Systems

On the Capacity of Distributed Antenna Systems. Lin Dai. City University of Hong Kong. Cellular Networks (1). Base Station (BS). Growing demand for high data rate. Multiple antennas at the BS side. Cellular Networks (2). Co-located BS antennas. Distributed BS antennas.

567 views • 33 slides

Power Control, Interference Suppression and Interference Avoidance in Wireless Systems

Power Control, Interference Suppression and Interference Avoidance in Wireless Systems. Roy Yates (with S. Ulukus and C. Rose) WINLAB, Rutgers University. CDMA System Model. BS k. BS 1. CDMA Receivers. SIR 1. SIR i. SIR N. CDMA Signals. Power Control: p i

387 views • 30 slides

Scheduling Considerations for Multi-User MIMO

Scheduling Considerations for Multi-User MIMO. Sae-Young Chung Wireless Communications Lab KAIST 05/19/2005. Overview. Introduction Multi-user MIMO Dirty paper coding Optimal schedulers Summary. Small-Scale Fading. Channel Knowledge. Assume perfect CSI at Tx and at Rx

543 views • 20 slides

Orthogonal Frequency Division Multiplexing

Adaptive Resource Allocation for OFDMA Systems Mr. Zukang Shen Mr. Ian Wong Prof. Brian Evans Prof. Jeff Andrews April 28, 2005. Orthogonal Frequency Division Multiplexing. channel. carrier. magnitude. subchannel. Subchannels are 312 kHz wide in 802.11a and HyperLAN II. frequency.

451 views • 11 slides

Adaptive Resource Allocation in Multiuser OFDM Systems

Adaptive Resource Allocation in Multiuser OFDM Systems. Malik Meherali Saleh EE 381-14 March 08, 2005. Introduction/Background. 4G cellular system proposes hybrid of Multiple Input Multiple Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM)

74 views • 6 slides