[PDF] Top 20 Interference Robust Transmission for the Downlink of an OFDM Based Mobile Communications System

... future mobile communications systems, for example, 3GPP Long-Term Evolution (LTE), are likely to use an orthogonal frequency division multiplexing- (OFDM-) based air interface in the ... See full document

... traditional communications systems and it suited well for frequency selective ...communication system and orthogonal frequency division multiplexing (OFDM) modulation scheme has ability to transform ... See full document

... offer robust and reliable barcode ...into mobile phones with built-in cameras that can scan and decode data, these 2D barcodes can operate as portable databases, letting users access information anytime, ... See full document

... attractive system that employs multiple transceiver antennas to carry the data over the same frequency band over a range of signal ...are mobile, or when the channel is inaccurately estimated, the ... See full document

... the downlink, where com- plex structure and advanced processing can be more easily accommodated, if channel state information (CSI) can be obtained at the transmitter side either through uplink es- timation or ... See full document

... Trans-receive system for increase the channel capacity where the suitable number of antennas is ...with OFDM-MIMO with STBCS is considered for wideband transmission to reduced the inter symbol ... See full document

... Image Transmission in Wireless OFDM Systems" in “Multimedia Signal Processing “Journal , IEEE, ...wireless communications. Therefore, the study of the robust transmission of ... See full document

... offer robust and reliable barcode ...into mobile phones with built-in cameras that can scan and decode data, these 2D barcodes can operate as portable databases, letting users access information anytime, ... See full document

... wireless communications in the ...the transmission of incumbent ...802.16 system for wireless Metropolitan Area Networks; operating in the licensed ...and OFDM for use below 11 GHz are ... See full document

... where transmission of story between two mobile phones through a sequence of 2D QR codes is detailed; achieving bit rates of less than 10 kbps for highest development mobile ...for transmission ... See full document

... of system, which is frequently limited by SIR (Signal to interference) ...the system capacity is increases significantly ...the system over one side of the communications link at least ... See full document

... of OFDM into real ...when OFDM was ...and OFDM has gained a big interest since the beginning of the 1990s ...advantages OFDM offers when transmitting through a fading ... See full document

... wireless communications are time- and location-varying, due to the variations of channel conditions, surrounding devices as well as roles played by coexistent ... See full document

... rates. OFDM is a special form of multicarrier where all the subcarriers are orthogonal to each ...rate transmission capability at reasonable ...message. OFDM is able to simplify the issues of ... See full document

... on robust transceiver design for throughput enhancement on the interference channel (IC), under imperfect channel state information ...proposed robust algorithms utilize the reciprocity of wireless ... See full document

... The system was designed to authenticate the subscriber using a pre- shared key and ...challenge-response. Communications between the subscriber and the base station can be ... See full document

... Processing block diagram of the proposed algorithm is described in Fig. 1. The known parameters of this algo- rithm contain array geometry and a presumed SOI dir- ection sector. Based on these parameters, the ... See full document

... Subsequent studies showed that not only the existence of floors or the distance between the receiver and transmitter but also the existence of obstacles, features of construction materials, architectural configurations ... See full document

... is based on the functioning monitoring of four certainty in the radio frequency spectrum, user behavior and network ...The OFDM system is also useful in this aspect ... See full document

... Precoded OFDM Systems for M-QAM (where M=16, 32, 64, ...precoded OFDM system, Walsh Hadamard Transform(WHT) precoded OFDM system, Selected Mapping(SLM), Discrete Fourier (DFT) precoded ... See full document