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Power control is an important requirement for code-division multiple access (CDMA) mobile wireless networks. Especially, it can effectively overcome the near-far problem. However, almost all existing power control algorithms assume that the time delay is known and fixed. While the time delay is often unknown or time varying under actual environments. This paper investigates power control of CDMA mobile...
This paper investigates power control of CDMA wireless networked systems with random transmission time delays in both downlink and uplink wireless communication channels. To deal with the random time delays, a novel power control algorithm is presented based on the modified generalized predictive control (M-GPC). Different from the conventional generalized predictive control (GPC) in which only the...
Mobile agents' mobility and power limitation may result in communication delay. Then the network connectivity may be not maintained only by power control or mobility control in mobile decentralized network, so we provide integrated power and mobility control law design methods for preserved connectivity in this paper. Consider preserved connectivity and communication delay may be time varying, we...
In this paper we discuss performance results of a novel real-time closed-loop power amplifier (PA) linearization technique that has originally been proposed by Ahmed and Li. The novel approach performs on-the-fly prediction and measurement of the PA AM/AM and AM/PM non-linearity, stores such non-linear characteristics and calculates their inverse functions in order to pre-distort the base-band amplitude...
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