[PDF] Top 20 On the architecture and performance of an FFT-based spread-spectrum downlink RAKE receiver
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On the architecture and performance of an FFT-based spread-spectrum downlink RAKE receiver
... conventional RAKE receiver first uses a sliding correlator to search for the multipath delay profile and a few tracking loops to acquire the channel parameters, such as the ... See full document
10
On the architecture and performance of a hybrid image rejection receiver
... FOR THE P ROPOSED R ECEIVER A RCHITECTURE The image rejection receiver architecture we described above utilizes digital signal processing techniques to enhance the IRR ...this ... See full document
12
Performance Evaluation of an MCT-Based Peer-to-Peer Architecture
... Unstructured Model 與 Structured Model 皆屬 於分散式的作業方式。採用 Unstructured Model 的點對點網路架構，如 Gnutella 與 Freenet，皆不 需要中央目錄管理及資料放置的機制，也不需要 控管拓樸架構，加入社群的方式是連接社群中任 意鄰近的節點。搜尋資料的方法是利用 Flooding 的方式傳送訊息，透過鄰近連接的節點相互發送 訊息(Store and ... See full document
10
A two-dimensional RAKE receiver architecture, with an FFT based matched filtering
... simulated the 2-D RAKE receiver in both a static channel and a mobile radio ...paths and suppress interference in the channel ...probability performance of ... See full document
11
Design of spread spectrum multicode CDMA transport architecture for multimedia services
... Moreover, the OCPN, being only a specification model for presentation of multimedia information, does not contain the communication and synchronization requirements over a net- ...different ... See full document
13
Acquisition for W-CDMA RAKE Receiver System
... performance of the spread spectrum system requires the receiver’s phase and frequency and its chip timing to be perfectly ...synchronized. The ... See full document
6
CORDIC-based architecture with channel state information for OFDM baseband receiver
... CORDIC, and occupies about 74k gate count. FFT/IFFT is designed for high performance (SQNR=63 dB) and low latency (113 clock cycles) with 66k gate ...count. The inner receiver ... See full document
10
Joint Calibration of Transmitter and Receiver Impairments in Direct-Conversion Radio Architecture
... radio architecture is a low-cost, low-power and small-size design that has been widely employed in today’s wireless ...This architecture, however, induces radio impairments such as I-Q imbalance ... See full document
10
Downlink Optimization and Performance of Relay-Assisted Cellular Networks in Multicell Environments
... Multicell architecture (3, 3, 3). So far, as previously discussed, the performance evaluation and optimization of relay-assisted cellular networks have been limited to very specific ... See full document
14
On the performance of an indicator-based stall avoidance mechanism for high-speed downlink packet access systems
... introduce the term “gap-processing time” to evaluate the performance of different stall avoidance ...mechanisms. The gap-processing time is defined as the duration starting when ... See full document
13
COMPUTER-SIMULATION OF A DIRECT SEQUENCE SPREAD SPECTRUM CELLULAR RADIO ARCHITECTURE
... Here we consider a spread spectrum cellular radio architec- ture in which the whole service area is divided into cells and each cell is served by a base. A mobile [r] ... See full document
7
Differential matched filter architecture for spread spectrum communication systems
... For those matched filters with long stages, this new architecture saves half the number of M and A in comparison with the conventional filter, while maintaining an identical p[r] ... See full document
2
An Interference-Blocking RAKE (IB-RAKE) Receiver for CDMA Communications Systems
... is the limited capacity due to sparse radio frequency spectrum. The capacity limit, in practice, is mainly determined by the interference rejection capability ...[1]. ... See full document
4
Digital-invisible-ink data hiding based on spread-spectrum and quantization techniques
... means the creation of loose and informal chains of commands in government, which allow controversial instructions given by high-ranking officials to be denied if these instructions become ... See full document
13
Implementing an Ubiquitous Resource Service Architecture Based on the Web and LDAP
... request, and service confirmation procedures are illustrated in figure ...Sam, the RU has to query a RDA in advance for getting the basic information of Sam, like email address or telephone ... See full document
8
Design and Simulation of a Low Power Rake Receiver for Indoor Communication
... Eltawil and Babak Daneshrad, “A Low-Power DS-CDMA RAKE Receiver Utilizing Resource Allocation Techniques”, IEEE JSSC, ...Li and Hsueh-Jyh Li, “A Novel RAKE Receiver Finger Number ... See full document
32
Estimating driving performance based on EEG spectrum analysis
... RESULTS AND DISCUSSION 4.1. Relationship between the EEG spectrum and subject alertness To investigate the relationship of minute-scale fluctuations in driving performance ... See full document
10
Fast feedforward channel sounding RAKE receiver
... RAKE receiver includes a multipath searcher, a channel sounding subsystem, a pilot interference cancellation block, and a data sig- nal detection block.. The multipath searcher [r] ... See full document
3
Design and implementation of an all-digital QPSK direct-sequence spread-spectrum transceiver IC
... We have integrated the DSSS DEQPSK modulatorldemodulator, the Costas carrier recovery loop, the PN sequence acquisition loop using a full digital matched filter in a sing[r] ... See full document
5
Performance analysis of noncoherent digital delay locked loops for direct sequence spread spectrum systems with Doppler shift and quantized adaptation
... because of the evolution toward all digital modem implementation of DSSS ...for the noncoherent second-order digital code tracking loops is investigated over AWGN channels with the ... See full document
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