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On the asymptotic s...
On the asymptotic sum rate of downlink cellular systems with random user locations
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- Girnyk, Maksym A. (författare)
- KTH,Kommunikationsteori
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Muller, A. (författare)
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Vehkapera, M. (författare)
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- Kildehøj Rasmussen, Lars (författare)
- KTH,Kommunikationsteori
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Debbah, M. (författare)
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(creator_code:org_t)
- 2015
- 2015
- Engelska.
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Ingår i: IEEE Wireless Communications Letters. - 2162-2337 .- 2162-2345. ; 4:3, s. 333-336
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- We consider a downlink cellular communication system with a multi-antenna base station (BS). A regularized zero forcing precoder is employed at the BS to manage the inter-user interference within the cell. Using methods from random matrix theory, we derive a deterministic approximation for the achievable ergodic sum rate, taking into account the randomness from both fading and random user locations. The obtained approximation describes well the behavior of finite-sized systems and enables efficient optimization of the precoder matrix.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- Mobile security
- Random variables
- Cellular system
- Deterministic approximation
- Finite-sized systems
- Inter-user interference
- Multi antennas
- Precoder matrix
- Random matrix theory
- Random users
- Mobile telecommunication systems
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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