tdma - cdma
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WiMAX Base Station Scheduling Algorithms
White Paper This white paper discusses about the scheduling algorithms for Orthogonal Frequency Division Multiple Access/Time Division Multiple Access (OFDMA/TDMA) based systems, which extends the PF scheme to multiple service types... [12 Nov 2009]
HyMAC: Hybrid TDMA/FDMA Medium Access Control Protocol for Wireless Sensor Networks
White Paper This paper describes HyMAC, a new hybrid MAC layer protocol for wireless sensor networks that is, to the best of their knowledge, the first effort to combine the strengths of both TDMA and FDMA schemes in these... [23 Apr 2009]
An Energy Efficient MAC in Wireless Sensor Networks to Provide Delay Guarantee
White Paper RTMAC is based on TDMA protocol, but it is carefully designed to overcome the high latency of traditional TDMA protocols. This paper presents RTMAC, a realtime MAC protocol for wireless sensor network... [23 Apr 2009]
Optimal Scheduling and Power Control for TDMA Based Point to Multipoint Wireless Networks
White Paper In TDMA-based point-to-multipoint rural wireless deployments, co-located base station radios and sector antennas are used to increase base station capacity. To achieve maximum capacity with limited availability of... [22 Apr 2009]
System Level Performance of Cellular WiMAX IEEE 802.16 With SDMA-Enhanced Medium Access
White Paper It presents the system level performance evaluation of a joint TDMA/SDMA scheduling approach taking into account the influence of intra- and inter-cell interference generated by concurrent SDMA transmissions. [22 Apr 2009]
Implementation of a Flexible Membership Protocol on a Real-Time Ethernet Prototype
White Paper The protocol is appropriate for fault-tolerant distributed systems using TDMA for scheduling messages. This paper describes the implementation of a processor-group membership protocol in an experimental real-time network. [02 Apr 2009]
Analysis of Protocols to Ethernet Automation Networks
White Paper Many solutions have been proposed to solve the problem of non-determinism, which are based on TDMA (Time Division Multiple Access), Token Passing and Master-Slave. The Ethernet technology dominates the market of computer... [02 Apr 2009]
Experimental Triple-Play Service Delivery Using Commodity Wireless LAN Hardware
White Paper Existing protocols are shown to not efficiently manage the wireless channel therefore one proposes a new Triple-Play Time Division Multiple Access (TP-TDMA) Media Access Control (MAC) protocol to provide Quality of... [01 Apr 2009]
GPRS White Paper
White Paper The General Packet Radio System (GPRS) is a new service that provides actual packet radio access for mobile Global System for Mobile Communications (GSM) and time-division multiple access (TDMA) users. [02 Sep 2008]
Software TDMA for VoIP Applications Over IEEE802.11 Wireless LAN
White Paper An emerging killer application for enterprise Wireless LANs (WLANs) is Voice over IP (VoIP) telephony, which promises to greatly improve the reachability and mobility of enterprise telephony service at low cost. [06 Dec 2007]
Efficient Interference-Aware TDMA Link Scheduling for Static Wireless Networks
White Paper Using a mathematical formulation, the paper develops synchronized TDMA link scheduling that optimize the networking throughput. This paper studies efficient link scheduling for a multihop wireless network to maximize its... [31 Aug 2007]
Using the TEMS Portfolio for TDMA, GSM, & WCDMA Radio Network Design
White Paper This document describes how tools within the TEMS portfolio can ease the work of designing a mobile radio network. It walks through related activities within Network Design, including Initial Network Analysis and Planning, Radio Network... [02 Jul 2007]
Transmit Diversity Vs Beamforming for Multi-User OFDM Systems
White Paper This paper compares Pre-IDFT downlink beamforming with Space-Time Block coded and Space-Frequency block coded transmit diversity schemes for 4×1 downlink multi-user OFDM (OFDM-TDMA and OFDMA) systems. [18 Apr 2007]
Modified SMI Techniques for Frequency Selective Channels in OFDM
White Paper However, in Time Division Multiple Access (TDMA) systems with known data sequences, a low cost solution would imply the computation of the beamformer based exclusively on this data. The Sample Matrix Inversion (SMI)... [14 Apr 2007]
Delay Analysis and Comparison of OFDM-TDMA and OFDMA Under IEEE 802.16 QoS Framework
White Paper The delay analysis and comparison of OFDM-TDMA and OFDMA using a flow control scheme under the QoS framework of IEEE 802.16 are conducted in the work discussed in this paper. The paper investigates the maximum packet... [13 Apr 2007]
