نتایج جستجو برای: TPC
تعداد نتایج: 3260 فیلتر نتایج به سال:
Abstract In DS-CDMA packet mobile communications, slow transmit power control (TPC) was found to provide a link capacity larger than fast TPC. This is because, with slow TPC, the received signal power variations due to fading remain intact and this results in a larger capture effect. This paper proposes a new fast TPC that changes TPC target randomly in order to obtain the capture effect. It is...
BACKGROUND Spontaneous pneumothorax is a major and frequently recurrent complication of lymphangioleiomyomatosis (LAM). Despite the customary use of pleurodesis to manage pnenumothorax, the recurrence rate remains high, and accompanying pleural adhesions cause serious bleeding during subsequent lung transplantation. Therefore, we have developed a technique of total pleural covering (TPC) for LA...
TPC benchmarks provide the de facto industry standard for measuring transaction processing performance. This paper argues that TPC-A and TPC-B have served their purpose and are effectively obsolete. Several problems with the benchmarks are described including flaws in the pricing model, the impact of terminals in the price-performance metric, use of client-server configurations, and the use of ...
Abstract A new transmit power control (TPC) is proposed that changes TPC target randomly in order to obtain the capture effect for DS-CDMA packet mobile radio. The uplink capacity of a DS-CDMA packet mobile radio system with proposed random TPC in a frequency selective fading channel is evaluated by computer simulation. The simulation results show that random TPC provides larger link capacity t...
Evaluated the psychometric properties of the Therapy Procedures Checklist (TPC). The TPC was developed to assess therapists' reports of the techniques they employ when working with child and adolescent clients. TPC items encompass the 3 most common therapeutic models for youth: psychodynamic, cognitive, and behavioral. In a survey of youth therapy experts, TPC items had good content validity fo...
The capacity performance of multi-user multiple input multiple output (MIMO) in a cellular system is of a great interest. This paper presents a comparative study on the transmit power control (TPC) schemes for uplink multi-user MIMO systems. Two kinds of TPC schemes, namely, zero-outage TPC and minimum interference TPC, are considered. The capacities of both schemes are theoretically analyzed a...
In the wireless body sensor network system (WB-SNS), saving energy in sensor nodes is a high priority. As an energy-saving method for sensor nodes, the transmission power control (TPC) algorithm has been developed. The TPC technique is a method of saving energy by adjusting the transmission power of the radio chip inside a sensor node. Numerous TPC algorithms exist, but in this paper, the dynam...
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