downlink channel
Efficient Downlink Channel Estimation Scheme Based on Block-Structured Compressive Sensing for TDD Massive MU-MIMO Systems
... exact channel state information (CSI) is crucial to the massive MU-MIMO system, since it has significant impact on the accuracy of signal ...large channel matrix that has to be estimated. The ...
5
Downlink Channel Estimation in Cellular Systems with Antenna Arrays at Base Stations Using Channel Probing with Feedback
... the downlink channel information for each ...of channel estimates and an accurate down- link channel estimation plays a key role in transmit beam- forming [6, 7, 8, ...to downlink ...
10
Heuristic Channel Estimation Based on Compressive Sensing in LTE Downlink Channel
... Pilot-assisted channel estimation has been investigated to improve the performance of OFDM based LTE ...wireless channel. The sparse feature of channel impulse response satisfies the requirement of ...
5
Throughput Maximization under Rate Requirements for the OFDMA Downlink Channel with Limited Feedback
... The purpose of this paper is to show the potential of UMTS long-term evolution using OFDM modulation by adopting a com- bined perspective on feedback channel design and resource allocation for OFDMA multiuser ...
14
Performance Comparison of Downlink Channel Estimation in FDD Massive MIMO using CS Aided and Bayesian Compressed Sensing Methods for 5G Systems
... the downlink channel, moreover to move backward to the BS with channel state information to analyze pre-coding ...the channel reciprocity for obtaining CSIT by training sequence in uplink ...
5
LTE Downlink Channel Estimation Using Music Algorithm
... the channel estimates for the remaining subcarriers are derived from these LS estimates by means of interpolation over the entire frequency ...describe channel estimation ...
9
Multicell Downlink Capacity with Coordinated Processing
... multicell downlink channel is closely related to the multiple-input multiple-output (MIMO) broadcast channel (BC), whose capacity region [3] is achieved by Costa’s DPC principle ...
19
Lte Downlink Transmission Scheme
... Physical downlink shared channel (PDSCH) is the main data bearing downlink channel in TD- LTE ....TD-LTE downlink,OFDM is selected as a air ...broadcast channel (PBCH).physical ...
9
Downlink compressive channel estimation with support diagnosis in FDD massive MIMO
... the channel basis index or so- called the channel taps in the spatial domain are located in ...the channel basis matches the channel angle perfectly, the sparsity is relatively good such as ...
12
Downlink beamforming concepts in UTRA FDD
... mobile channel promises great ...the downlink channel ...pilot channel, the primary common pilot channel (P-CPICH), serves as phase reference for channel estimation, this ...
5
Performance and Analysis of Channel Estimation Techniques for LTE Downlink System under Fading with Mobility
... LTE downlink channel is estimated under Gaussian channel, Rayleigh fading and Nakagami multipath fading channels by using LSE and MMSE estimation techniques with and without ...the channel ...
13
Exit Chart Aided Irregular Convolutional Code Design for Iterative Downlink SDMA Systems using Imperfect Channel State Information
... Spatio-Temporal Channel Impulse Response (ST-CIR) to be encountered, the MUT scheme exploits the unique, user- specific ST-CIRs accurately differentiating the user’s trans- mitted ...the channel de- ...
6
Realization of Physical Downlink Control Channel (PDCCH) for LTE under SISO Environment using PlanAhead Tool and Virtex 5 FPGA
... The basic assumptions used in the design are shown in Table IV. A minimal channel bandwidth of about 1.4MHz is assumed with 6 physical resource blocks out of the available bandwidths (1.4, 3, 5, 10, 15 and 20). ...
10
A Unified Approach to BER Analysis of Synchronous Downlink CDMA Systems with Random Signature Sequences in Fading Channels with Known Channel Phase
... synchronous downlink CDMA systems is carried out for BPSK signals with random signature sequences in Nakagami-m fading environment with known channel ...
12
Joint Downlink Power Control and Multicode Receivers for Downlink Transmissions in High Speed UMTS
... multipath channel loose their orthogonality and lead to a significant intersym- bol interference ...high-speed downlink packet access (HSDPA [2]) will make wide use of multicode to considerably increase the ...
10
Performance Analysis of LTE Downlink
... This paper evaluates the mobility and interference of downlink LTE using System Level Simulator. First, it was analyzed the impact of the users speed, for that several simulations has been done with different user ...
5
Chip Level Channel Equalization in WCDMA Downlink
... chip-level channel equalizer has proven to be one of the most promising terminal receivers for a WCDMA/FDD ...with channel coding have been presented in [16], and with adaptive equalizers in [17, ...CDMA ...
14
High-speed Downlink Packet Access
... HS-DSCH channel coding has some simplifications when compared to ...transport channel active on the HS-DSCH, the blocks related to the channel multiplexing for the same users can be left ...
26
Downlink Scheduling for Multiclass Traffic in LTE
... (LTE) downlink by integrating recent results on resource allocation, fast computational algorithms, and ...and channel-aware QoS schedulers can and should be used in an LTE downlink to offer QoS to a ...
18
Spectrum Allocation for Downlink 4G Networks
... In [6] this paper present the multiple sectors in cellular network for overlapping region is used by channel reservation and pre-emption (CRP). Here its reducing the CDP for handoff calls by using directional ...
7